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inverseXML = getInverseObj(require(\"../maps/xml.json\")),\n    xmlReplacer = getInverseReplacer(inverseXML);\n\nexports.XML = getInverse(inverseXML, xmlReplacer);\n\nvar inverseHTML = getInverseObj(require(\"../maps/entities.json\")),\n    htmlReplacer = getInverseReplacer(inverseHTML);\n\nexports.HTML = getInverse(inverseHTML, htmlReplacer);\n\nfunction getInverseObj(obj) {\n    return Object.keys(obj)\n        .sort()\n        .reduce(function(inverse, name) {\n            inverse[obj[name]] = \"&\" + name + \";\";\n            return inverse;\n        }, {});\n}\n\nfunction getInverseReplacer(inverse) {\n    var single = [],\n        multiple = [];\n\n    Object.keys(inverse).forEach(function(k) {\n        if (k.length === 1) {\n            single.push(\"\\\\\" + k);\n        } else {\n            multiple.push(k);\n        }\n    });\n\n    //TODO add ranges\n    multiple.unshift(\"[\" + single.join(\"\") + \"]\");\n\n    return new RegExp(multiple.join(\"|\"), \"g\");\n}\n\nvar re_nonASCII = /[^\\0-\\x7F]/g,\n    re_astralSymbols = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]/g;\n\nfunction singleCharReplacer(c) {\n    return (\n        \"&#x\" +\n        c\n            .charCodeAt(0)\n            .toString(16)\n            .toUpperCase() +\n        \";\"\n    );\n}\n\nfunction astralReplacer(c) {\n    // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n    var high = c.charCodeAt(0);\n    var low = c.charCodeAt(1);\n    var codePoint = (high - 0xd800) * 0x400 + low - 0xdc00 + 0x10000;\n    return \"&#x\" + codePoint.toString(16).toUpperCase() + \";\";\n}\n\nfunction getInverse(inverse, re) {\n    function func(name) {\n        return inverse[name];\n    }\n\n    return function(data) {\n        return data\n            .replace(re, func)\n            .replace(re_astralSymbols, astralReplacer)\n            .replace(re_nonASCII, singleCharReplacer);\n    };\n}\n\nvar re_xmlChars = getInverseReplacer(inverseXML);\n\nfunction escapeXML(data) {\n    return data\n        .replace(re_xmlChars, singleCharReplacer)\n        .replace(re_astralSymbols, astralReplacer)\n        .replace(re_nonASCII, singleCharReplacer);\n}\n\nexports.escape = escapeXML;\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\nvar punycode = require('punycode');\nvar util = require('./util');\n\nexports.parse = urlParse;\nexports.resolve = urlResolve;\nexports.resolveObject = urlResolveObject;\nexports.format = urlFormat;\n\nexports.Url = Url;\n\nfunction Url() {\n  this.protocol = null;\n  this.slashes = null;\n  this.auth = null;\n  this.host = null;\n  this.port = null;\n  this.hostname = null;\n  this.hash = null;\n  this.search = null;\n  this.query = null;\n  this.pathname = null;\n  this.path = null;\n  this.href = null;\n}\n\n// Reference: RFC 3986, RFC 1808, RFC 2396\n\n// define these here so at least they only have to be\n// compiled once on the first module load.\nvar protocolPattern = /^([a-z0-9.+-]+:)/i,\n    portPattern = /:[0-9]*$/,\n\n    // Special case for a simple path URL\n    simplePathPattern = /^(\\/\\/?(?!\\/)[^\\?\\s]*)(\\?[^\\s]*)?$/,\n\n    // RFC 2396: characters reserved for delimiting URLs.\n    // We actually just auto-escape these.\n    delims = ['<', '>', '\"', '`', ' ', '\\r', '\\n', '\\t'],\n\n    // RFC 2396: characters not allowed for various reasons.\n    unwise = ['{', '}', '|', '\\\\', '^', '`'].concat(delims),\n\n    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.\n    autoEscape = ['\\''].concat(unwise),\n    // Characters that are never ever allowed in a hostname.\n    // Note that any invalid chars are also handled, but these\n    // are the ones that are *expected* to be seen, so we fast-path\n    // them.\n    nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape),\n    hostEndingChars = ['/', '?', '#'],\n    hostnameMaxLen = 255,\n    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,\n    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,\n    // protocols that can allow \"unsafe\" and \"unwise\" chars.\n    unsafeProtocol = {\n      'javascript': true,\n      'javascript:': true\n    },\n    // protocols that never have a hostname.\n    hostlessProtocol = {\n      'javascript': true,\n      'javascript:': true\n    },\n    // protocols that always contain a // bit.\n    slashedProtocol = {\n      'http': true,\n      'https': true,\n      'ftp': true,\n      'gopher': true,\n      'file': true,\n      'http:': true,\n      'https:': true,\n      'ftp:': true,\n      'gopher:': true,\n      'file:': true\n    },\n    querystring = require('querystring');\n\nfunction urlParse(url, parseQueryString, slashesDenoteHost) {\n  if (url && util.isObject(url) && url instanceof Url) return url;\n\n  var u = new Url;\n  u.parse(url, parseQueryString, slashesDenoteHost);\n  return u;\n}\n\nUrl.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {\n  if (!util.isString(url)) {\n    throw new TypeError(\"Parameter 'url' must be a string, not \" + typeof url);\n  }\n\n  // Copy chrome, IE, opera backslash-handling behavior.\n  // Back slashes before the query string get converted to forward slashes\n  // See: https://code.google.com/p/chromium/issues/detail?id=25916\n  var queryIndex = url.indexOf('?'),\n      splitter =\n          (queryIndex !== -1 && queryIndex < url.indexOf('#')) ? '?' : '#',\n      uSplit = url.split(splitter),\n      slashRegex = /\\\\/g;\n  uSplit[0] = uSplit[0].replace(slashRegex, '/');\n  url = uSplit.join(splitter);\n\n  var rest = url;\n\n  // trim before proceeding.\n  // This is to support parse stuff like \"  http://foo.com  \\n\"\n  rest = rest.trim();\n\n  if (!slashesDenoteHost && url.split('#').length === 1) {\n    // Try fast path regexp\n    var simplePath = simplePathPattern.exec(rest);\n    if (simplePath) {\n      this.path = rest;\n      this.href = rest;\n      this.pathname = simplePath[1];\n      if (simplePath[2]) {\n        this.search = simplePath[2];\n        if (parseQueryString) {\n          this.query = querystring.parse(this.search.substr(1));\n        } else {\n          this.query = this.search.substr(1);\n        }\n      } else if (parseQueryString) {\n        this.search = '';\n        this.query = {};\n      }\n      return this;\n    }\n  }\n\n  var proto = protocolPattern.exec(rest);\n  if (proto) {\n    proto = proto[0];\n    var lowerProto = proto.toLowerCase();\n    this.protocol = lowerProto;\n    rest = rest.substr(proto.length);\n  }\n\n  // figure out if it's got a host\n  // user@server is *always* interpreted as a hostname, and url\n  // resolution will treat //foo/bar as host=foo,path=bar because that's\n  // how the browser resolves relative URLs.\n  if (slashesDenoteHost || proto || rest.match(/^\\/\\/[^@\\/]+@[^@\\/]+/)) {\n    var slashes = rest.substr(0, 2) === '//';\n    if (slashes && !(proto && hostlessProtocol[proto])) {\n      rest = rest.substr(2);\n      this.slashes = true;\n    }\n  }\n\n  if (!hostlessProtocol[proto] &&\n      (slashes || (proto && !slashedProtocol[proto]))) {\n\n    // there's a hostname.\n    // the first instance of /, ?, ;, or # ends the host.\n    //\n    // If there is an @ in the hostname, then non-host chars *are* allowed\n    // to the left of the last @ sign, unless some host-ending character\n    // comes *before* the @-sign.\n    // URLs are obnoxious.\n    //\n    // ex:\n    // http://a@b@c/ => user:a@b host:c\n    // http://a@b?@c => user:a host:c path:/?@c\n\n    // v0.12 TODO(isaacs): This is not quite how Chrome does things.\n    // Review our test case against browsers more comprehensively.\n\n    // find the first instance of any hostEndingChars\n    var hostEnd = -1;\n    for (var i = 0; i < hostEndingChars.length; i++) {\n      var hec = rest.indexOf(hostEndingChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))\n        hostEnd = hec;\n    }\n\n    // at this point, either we have an explicit point where the\n    // auth portion cannot go past, or the last @ char is the decider.\n    var auth, atSign;\n    if (hostEnd === -1) {\n      // atSign can be anywhere.\n      atSign = rest.lastIndexOf('@');\n    } else {\n      // atSign must be in auth portion.\n      // http://a@b/c@d => host:b auth:a path:/c@d\n      atSign = rest.lastIndexOf('@', hostEnd);\n    }\n\n    // Now we have a portion which is definitely the auth.\n    // Pull that off.\n    if (atSign !== -1) {\n      auth = rest.slice(0, atSign);\n      rest = rest.slice(atSign + 1);\n      this.auth = decodeURIComponent(auth);\n    }\n\n    // the host is the remaining to the left of the first non-host char\n    hostEnd = -1;\n    for (var i = 0; i < nonHostChars.length; i++) {\n      var hec = rest.indexOf(nonHostChars[i]);\n      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))\n        hostEnd = hec;\n    }\n    // if we still have not hit it, then the entire thing is a host.\n    if (hostEnd === -1)\n      hostEnd = rest.length;\n\n    this.host = rest.slice(0, hostEnd);\n    rest = rest.slice(hostEnd);\n\n    // pull out port.\n    this.parseHost();\n\n    // we've indicated that there is a hostname,\n    // so even if it's empty, it has to be present.\n    this.hostname = this.hostname || '';\n\n    // if hostname begins with [ and ends with ]\n    // assume that it's an IPv6 address.\n    var ipv6Hostname = this.hostname[0] === '[' &&\n        this.hostname[this.hostname.length - 1] === ']';\n\n    // validate a little.\n    if (!ipv6Hostname) {\n      var hostparts = this.hostname.split(/\\./);\n      for (var i = 0, l = hostparts.length; i < l; i++) {\n        var part = hostparts[i];\n        if (!part) continue;\n        if (!part.match(hostnamePartPattern)) {\n          var newpart = '';\n          for (var j = 0, k = part.length; j < k; j++) {\n            if (part.charCodeAt(j) > 127) {\n              // we replace non-ASCII char with a temporary placeholder\n              // we need this to make sure size of hostname is not\n              // broken by replacing non-ASCII by nothing\n              newpart += 'x';\n            } else {\n              newpart += part[j];\n            }\n          }\n          // we test again with ASCII char only\n          if (!newpart.match(hostnamePartPattern)) {\n            var validParts = hostparts.slice(0, i);\n            var notHost = hostparts.slice(i + 1);\n            var bit = part.match(hostnamePartStart);\n            if (bit) {\n              validParts.push(bit[1]);\n              notHost.unshift(bit[2]);\n            }\n            if (notHost.length) {\n              rest = '/' + notHost.join('.') + rest;\n            }\n            this.hostname = validParts.join('.');\n            break;\n          }\n        }\n      }\n    }\n\n    if (this.hostname.length > hostnameMaxLen) {\n      this.hostname = '';\n    } else {\n      // hostnames are always lower case.\n      this.hostname = this.hostname.toLowerCase();\n    }\n\n    if (!ipv6Hostname) {\n      // IDNA Support: Returns a punycoded representation of \"domain\".\n      // It only converts parts of the domain name that\n      // have non-ASCII characters, i.e. it doesn't matter if\n      // you call it with a domain that already is ASCII-only.\n      this.hostname = punycode.toASCII(this.hostname);\n    }\n\n    var p = this.port ? ':' + this.port : '';\n    var h = this.hostname || '';\n    this.host = h + p;\n    this.href += this.host;\n\n    // strip [ and ] from the hostname\n    // the host field still retains them, though\n    if (ipv6Hostname) {\n      this.hostname = this.hostname.substr(1, this.hostname.length - 2);\n      if (rest[0] !== '/') {\n        rest = '/' + rest;\n      }\n    }\n  }\n\n  // now rest is set to the post-host stuff.\n  // chop off any delim chars.\n  if (!unsafeProtocol[lowerProto]) {\n\n    // First, make 100% sure that any \"autoEscape\" chars get\n    // escaped, even if encodeURIComponent doesn't think they\n    // need to be.\n    for (var i = 0, l = autoEscape.length; i < l; i++) {\n      var ae = autoEscape[i];\n      if (rest.indexOf(ae) === -1)\n        continue;\n      var esc = encodeURIComponent(ae);\n      if (esc === ae) {\n        esc = escape(ae);\n      }\n      rest = rest.split(ae).join(esc);\n    }\n  }\n\n\n  // chop off from the tail first.\n  var hash = rest.indexOf('#');\n  if (hash !== -1) {\n    // got a fragment string.\n    this.hash = rest.substr(hash);\n    rest = rest.slice(0, hash);\n  }\n  var qm = rest.indexOf('?');\n  if (qm !== -1) {\n    this.search = rest.substr(qm);\n    this.query = rest.substr(qm + 1);\n    if (parseQueryString) {\n      this.query = querystring.parse(this.query);\n    }\n    rest = rest.slice(0, qm);\n  } else if (parseQueryString) {\n    // no query string, but parseQueryString still requested\n    this.search = '';\n    this.query = {};\n  }\n  if (rest) this.pathname = rest;\n  if (slashedProtocol[lowerProto] &&\n      this.hostname && !this.pathname) {\n    this.pathname = '/';\n  }\n\n  //to support http.request\n  if (this.pathname || this.search) {\n    var p = this.pathname || '';\n    var s = this.search || '';\n    this.path = p + s;\n  }\n\n  // finally, reconstruct the href based on what has been validated.\n  this.href = this.format();\n  return this;\n};\n\n// format a parsed object into a url string\nfunction urlFormat(obj) {\n  // ensure it's an object, and not a string url.\n  // If it's an obj, this is a no-op.\n  // this way, you can call url_format() on strings\n  // to clean up potentially wonky urls.\n  if (util.isString(obj)) obj = urlParse(obj);\n  if (!(obj instanceof Url)) return Url.prototype.format.call(obj);\n  return obj.format();\n}\n\nUrl.prototype.format = function() {\n  var auth = this.auth || '';\n  if (auth) {\n    auth = encodeURIComponent(auth);\n    auth = auth.replace(/%3A/i, ':');\n    auth += '@';\n  }\n\n  var protocol = this.protocol || '',\n      pathname = this.pathname || '',\n      hash = this.hash || '',\n      host = false,\n      query = '';\n\n  if (this.host) {\n    host = auth + this.host;\n  } else if (this.hostname) {\n    host = auth + (this.hostname.indexOf(':') === -1 ?\n        this.hostname :\n        '[' + this.hostname + ']');\n    if (this.port) {\n      host += ':' + this.port;\n    }\n  }\n\n  if (this.query &&\n      util.isObject(this.query) &&\n      Object.keys(this.query).length) {\n    query = querystring.stringify(this.query);\n  }\n\n  var search = this.search || (query && ('?' + query)) || '';\n\n  if (protocol && protocol.substr(-1) !== ':') protocol += ':';\n\n  // only the slashedProtocols get the //.  Not mailto:, xmpp:, etc.\n  // unless they had them to begin with.\n  if (this.slashes ||\n      (!protocol || slashedProtocol[protocol]) && host !== false) {\n    host = '//' + (host || '');\n    if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname;\n  } else if (!host) {\n    host = '';\n  }\n\n  if (hash && hash.charAt(0) !== '#') hash = '#' + hash;\n  if (search && search.charAt(0) !== '?') search = '?' + search;\n\n  pathname = pathname.replace(/[?#]/g, function(match) {\n    return encodeURIComponent(match);\n  });\n  search = search.replace('#', '%23');\n\n  return protocol + host + pathname + search + hash;\n};\n\nfunction urlResolve(source, relative) {\n  return urlParse(source, false, true).resolve(relative);\n}\n\nUrl.prototype.resolve = function(relative) {\n  return this.resolveObject(urlParse(relative, false, true)).format();\n};\n\nfunction urlResolveObject(source, relative) {\n  if (!source) return relative;\n  return urlParse(source, false, true).resolveObject(relative);\n}\n\nUrl.prototype.resolveObject = function(relative) {\n  if (util.isString(relative)) {\n    var rel = new Url();\n    rel.parse(relative, false, true);\n    relative = rel;\n  }\n\n  var result = new Url();\n  var tkeys = Object.keys(this);\n  for (var tk = 0; tk < tkeys.length; tk++) {\n    var tkey = tkeys[tk];\n    result[tkey] = this[tkey];\n  }\n\n  // hash is always overridden, no matter what.\n  // even href=\"\" will remove it.\n  result.hash = relative.hash;\n\n  // if the relative url is empty, then there's nothing left to do here.\n  if (relative.href === '') {\n    result.href = result.format();\n    return result;\n  }\n\n  // hrefs like //foo/bar always cut to the protocol.\n  if (relative.slashes && !relative.protocol) {\n    // take everything except the protocol from relative\n    var rkeys = Object.keys(relative);\n    for (var rk = 0; rk < rkeys.length; rk++) {\n      var rkey = rkeys[rk];\n      if (rkey !== 'protocol')\n        result[rkey] = relative[rkey];\n    }\n\n    //urlParse appends trailing / to urls like http://www.example.com\n    if (slashedProtocol[result.protocol] &&\n        result.hostname && !result.pathname) {\n      result.path = result.pathname = '/';\n    }\n\n    result.href = result.format();\n    return result;\n  }\n\n  if (relative.protocol && relative.protocol !== result.protocol) {\n    // if it's a known url protocol, then changing\n    // the protocol does weird things\n    // first, if it's not file:, then we MUST have a host,\n    // and if there was a path\n    // to begin with, then we MUST have a path.\n    // if it is file:, then the host is dropped,\n    // because that's known to be hostless.\n    // anything else is assumed to be absolute.\n    if (!slashedProtocol[relative.protocol]) {\n      var keys = Object.keys(relative);\n      for (var v = 0; v < keys.length; v++) {\n        var k = keys[v];\n        result[k] = relative[k];\n      }\n      result.href = result.format();\n      return result;\n    }\n\n    result.protocol = relative.protocol;\n    if (!relative.host && !hostlessProtocol[relative.protocol]) {\n      var relPath = (relative.pathname || '').split('/');\n      while (relPath.length && !(relative.host = relPath.shift()));\n      if (!relative.host) relative.host = '';\n      if (!relative.hostname) relative.hostname = '';\n      if (relPath[0] !== '') relPath.unshift('');\n      if (relPath.length < 2) relPath.unshift('');\n      result.pathname = relPath.join('/');\n    } else {\n      result.pathname = relative.pathname;\n    }\n    result.search = relative.search;\n    result.query = relative.query;\n    result.host = relative.host || '';\n    result.auth = relative.auth;\n    result.hostname = relative.hostname || relative.host;\n    result.port = relative.port;\n    // to support http.request\n    if (result.pathname || result.search) {\n      var p = result.pathname || '';\n      var s = result.search || '';\n      result.path = p + s;\n    }\n    result.slashes = result.slashes || relative.slashes;\n    result.href = result.format();\n    return result;\n  }\n\n  var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/'),\n      isRelAbs = (\n          relative.host ||\n          relative.pathname && relative.pathname.charAt(0) === '/'\n      ),\n      mustEndAbs = (isRelAbs || isSourceAbs ||\n                    (result.host && relative.pathname)),\n      removeAllDots = mustEndAbs,\n      srcPath = result.pathname && result.pathname.split('/') || [],\n      relPath = relative.pathname && relative.pathname.split('/') || [],\n      psychotic = result.protocol && !slashedProtocol[result.protocol];\n\n  // if the url is a non-slashed url, then relative\n  // links like ../.. should be able\n  // to crawl up to the hostname, as well.  This is strange.\n  // result.protocol has already been set by now.\n  // Later on, put the first path part into the host field.\n  if (psychotic) {\n    result.hostname = '';\n    result.port = null;\n    if (result.host) {\n      if (srcPath[0] === '') srcPath[0] = result.host;\n      else srcPath.unshift(result.host);\n    }\n    result.host = '';\n    if (relative.protocol) {\n      relative.hostname = null;\n      relative.port = null;\n      if (relative.host) {\n        if (relPath[0] === '') relPath[0] = relative.host;\n        else relPath.unshift(relative.host);\n      }\n      relative.host = null;\n    }\n    mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');\n  }\n\n  if (isRelAbs) {\n    // it's absolute.\n    result.host = (relative.host || relative.host === '') ?\n                  relative.host : result.host;\n    result.hostname = (relative.hostname || relative.hostname === '') ?\n                      relative.hostname : result.hostname;\n    result.search = relative.search;\n    result.query = relative.query;\n    srcPath = relPath;\n    // fall through to the dot-handling below.\n  } else if (relPath.length) {\n    // it's relative\n    // throw away the existing file, and take the new path instead.\n    if (!srcPath) srcPath = [];\n    srcPath.pop();\n    srcPath = srcPath.concat(relPath);\n    result.search = relative.search;\n    result.query = relative.query;\n  } else if (!util.isNullOrUndefined(relative.search)) {\n    // just pull out the search.\n    // like href='?foo'.\n    // Put this after the other two cases because it simplifies the booleans\n    if (psychotic) {\n      result.hostname = result.host = srcPath.shift();\n      //occationaly the auth can get stuck only in host\n      //this especially happens in cases like\n      //url.resolveObject('mailto:local1@domain1', 'local2@domain2')\n      var authInHost = result.host && result.host.indexOf('@') > 0 ?\n                       result.host.split('@') : false;\n      if (authInHost) {\n        result.auth = authInHost.shift();\n        result.host = result.hostname = authInHost.shift();\n      }\n    }\n    result.search = relative.search;\n    result.query = relative.query;\n    //to support http.request\n    if (!util.isNull(result.pathname) || !util.isNull(result.search)) {\n      result.path = (result.pathname ? result.pathname : '') +\n                    (result.search ? result.search : '');\n    }\n    result.href = result.format();\n    return result;\n  }\n\n  if (!srcPath.length) {\n    // no path at all.  easy.\n    // we've already handled the other stuff above.\n    result.pathname = null;\n    //to support http.request\n    if (result.search) {\n      result.path = '/' + result.search;\n    } else {\n      result.path = null;\n    }\n    result.href = result.format();\n    return result;\n  }\n\n  // if a url ENDs in . or .., then it must get a trailing slash.\n  // however, if it ends in anything else non-slashy,\n  // then it must NOT get a trailing slash.\n  var last = srcPath.slice(-1)[0];\n  var hasTrailingSlash = (\n      (result.host || relative.host || srcPath.length > 1) &&\n      (last === '.' || last === '..') || last === '');\n\n  // strip single dots, resolve double dots to parent dir\n  // if the path tries to go above the root, `up` ends up > 0\n  var up = 0;\n  for (var i = srcPath.length; i >= 0; i--) {\n    last = srcPath[i];\n    if (last === '.') {\n      srcPath.splice(i, 1);\n    } else if (last === '..') {\n      srcPath.splice(i, 1);\n      up++;\n    } else if (up) {\n      srcPath.splice(i, 1);\n      up--;\n    }\n  }\n\n  // if the path is allowed to go above the root, restore leading ..s\n  if (!mustEndAbs && !removeAllDots) {\n    for (; up--; up) {\n      srcPath.unshift('..');\n    }\n  }\n\n  if (mustEndAbs && srcPath[0] !== '' &&\n      (!srcPath[0] || srcPath[0].charAt(0) !== '/')) {\n    srcPath.unshift('');\n  }\n\n  if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {\n    srcPath.push('');\n  }\n\n  var isAbsolute = srcPath[0] === '' ||\n      (srcPath[0] && srcPath[0].charAt(0) === '/');\n\n  // put the host back\n  if (psychotic) {\n    result.hostname = result.host = isAbsolute ? '' :\n                                    srcPath.length ? srcPath.shift() : '';\n    //occationaly the auth can get stuck only in host\n    //this especially happens in cases like\n    //url.resolveObject('mailto:local1@domain1', 'local2@domain2')\n    var authInHost = result.host && result.host.indexOf('@') > 0 ?\n                     result.host.split('@') : false;\n    if (authInHost) {\n      result.auth = authInHost.shift();\n      result.host = result.hostname = authInHost.shift();\n    }\n  }\n\n  mustEndAbs = mustEndAbs || (result.host && srcPath.length);\n\n  if (mustEndAbs && !isAbsolute) {\n    srcPath.unshift('');\n  }\n\n  if (!srcPath.length) {\n    result.pathname = null;\n    result.path = null;\n  } else {\n    result.pathname = srcPath.join('/');\n  }\n\n  //to support request.http\n  if (!util.isNull(result.pathname) || !util.isNull(result.search)) {\n    result.path = (result.pathname ? result.pathname : '') +\n                  (result.search ? result.search : '');\n  }\n  result.auth = relative.auth || result.auth;\n  result.slashes = result.slashes || relative.slashes;\n  result.href = result.format();\n  return result;\n};\n\nUrl.prototype.parseHost = function() {\n  var host = this.host;\n  var port = portPattern.exec(host);\n  if (port) {\n    port = port[0];\n    if (port !== ':') {\n      this.port = port.substr(1);\n    }\n    host = host.substr(0, host.length - port.length);\n  }\n  if (host) this.hostname = host;\n};\n","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.decodeHTML = exports.decodeHTMLStrict = exports.decodeXML = void 0;\nvar entities_json_1 = __importDefault(require(\"./maps/entities.json\"));\nvar legacy_json_1 = __importDefault(require(\"./maps/legacy.json\"));\nvar xml_json_1 = __importDefault(require(\"./maps/xml.json\"));\nvar decode_codepoint_1 = __importDefault(require(\"./decode_codepoint\"));\nvar strictEntityRe = /&(?:[a-zA-Z0-9]+|#[xX][\\da-fA-F]+|#\\d+);/g;\nexports.decodeXML = getStrictDecoder(xml_json_1.default);\nexports.decodeHTMLStrict = getStrictDecoder(entities_json_1.default);\nfunction getStrictDecoder(map) {\n    var replace = getReplacer(map);\n    return function (str) { return String(str).replace(strictEntityRe, replace); };\n}\nvar sorter = function (a, b) { return (a < b ? 1 : -1); };\nexports.decodeHTML = (function () {\n    var legacy = Object.keys(legacy_json_1.default).sort(sorter);\n    var keys = Object.keys(entities_json_1.default).sort(sorter);\n    for (var i = 0, j = 0; i < keys.length; i++) {\n        if (legacy[j] === keys[i]) {\n            keys[i] += \";?\";\n            j++;\n        }\n        else {\n            keys[i] += \";\";\n        }\n    }\n    var re = new RegExp(\"&(?:\" + keys.join(\"|\") + \"|#[xX][\\\\da-fA-F]+;?|#\\\\d+;?)\", \"g\");\n    var replace = getReplacer(entities_json_1.default);\n    function replacer(str) {\n        if (str.substr(-1) !== \";\")\n            str += \";\";\n        return replace(str);\n    }\n    // TODO consider creating a merged map\n    return function (str) { return String(str).replace(re, replacer); };\n})();\nfunction getReplacer(map) {\n    return function replace(str) {\n        if (str.charAt(1) === \"#\") {\n            var secondChar = str.charAt(2);\n            if (secondChar === \"X\" || secondChar === \"x\") {\n                return decode_codepoint_1.default(parseInt(str.substr(3), 16));\n            }\n            return decode_codepoint_1.default(parseInt(str.substr(2), 10));\n        }\n        // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing\n        return map[str.slice(1, -1)] || str;\n    };\n}\n","module.exports = Tokenizer;\n\nvar decodeCodePoint = require(\"entities/lib/decode_codepoint.js\"),\n    entityMap = require(\"entities/maps/entities.json\"),\n    legacyMap = require(\"entities/maps/legacy.json\"),\n    xmlMap    = require(\"entities/maps/xml.json\"),\n\n    i = 0,\n\n    TEXT                      = i++,\n    BEFORE_TAG_NAME           = i++, //after <\n    IN_TAG_NAME               = i++,\n    IN_SELF_CLOSING_TAG       = i++,\n    BEFORE_CLOSING_TAG_NAME   = i++,\n    IN_CLOSING_TAG_NAME       = i++,\n    AFTER_CLOSING_TAG_NAME    = i++,\n\n    //attributes\n    BEFORE_ATTRIBUTE_NAME     = i++,\n    IN_ATTRIBUTE_NAME         = i++,\n    AFTER_ATTRIBUTE_NAME      = i++,\n    BEFORE_ATTRIBUTE_VALUE    = i++,\n    IN_ATTRIBUTE_VALUE_DQ     = i++, // \"\n    IN_ATTRIBUTE_VALUE_SQ     = i++, // '\n    IN_ATTRIBUTE_VALUE_NQ     = i++,\n\n    //declarations\n    BEFORE_DECLARATION        = i++, // !\n    IN_DECLARATION            = i++,\n\n    //processing instructions\n    IN_PROCESSING_INSTRUCTION = i++, // ?\n\n    //comments\n    BEFORE_COMMENT            = i++,\n    IN_COMMENT                = i++,\n    AFTER_COMMENT_1           = i++,\n    AFTER_COMMENT_2           = i++,\n\n    //cdata\n    BEFORE_CDATA_1            = i++, // [\n    BEFORE_CDATA_2            = i++, // C\n    BEFORE_CDATA_3            = i++, // D\n    BEFORE_CDATA_4            = i++, // A\n    BEFORE_CDATA_5            = i++, // T\n    BEFORE_CDATA_6            = i++, // A\n    IN_CDATA                  = i++, // [\n    AFTER_CDATA_1             = i++, // ]\n    AFTER_CDATA_2             = i++, // ]\n\n    //special tags\n    BEFORE_SPECIAL            = i++, //S\n    BEFORE_SPECIAL_END        = i++,   //S\n\n    BEFORE_SCRIPT_1           = i++, //C\n    BEFORE_SCRIPT_2           = i++, //R\n    BEFORE_SCRIPT_3           = i++, //I\n    BEFORE_SCRIPT_4           = i++, //P\n    BEFORE_SCRIPT_5           = i++, //T\n    AFTER_SCRIPT_1            = i++, //C\n    AFTER_SCRIPT_2            = i++, //R\n    AFTER_SCRIPT_3            = i++, //I\n    AFTER_SCRIPT_4            = i++, //P\n    AFTER_SCRIPT_5            = i++, //T\n\n    BEFORE_STYLE_1            = i++, //T\n    BEFORE_STYLE_2            = i++, //Y\n    BEFORE_STYLE_3            = i++, //L\n    BEFORE_STYLE_4            = i++, //E\n    AFTER_STYLE_1             = i++, //T\n    AFTER_STYLE_2             = i++, //Y\n    AFTER_STYLE_3             = i++, //L\n    AFTER_STYLE_4             = i++, //E\n\n    BEFORE_ENTITY             = i++, //&\n    BEFORE_NUMERIC_ENTITY     = i++, //#\n    IN_NAMED_ENTITY           = i++,\n    IN_NUMERIC_ENTITY         = i++,\n    IN_HEX_ENTITY             = i++, //X\n\n    j = 0,\n\n    SPECIAL_NONE              = j++,\n    SPECIAL_SCRIPT            = j++,\n    SPECIAL_STYLE             = j++;\n\nfunction whitespace(c){\n\treturn c === \" \" || c === \"\\n\" || c === \"\\t\" || c === \"\\f\" || c === \"\\r\";\n}\n\nfunction characterState(char, SUCCESS){\n\treturn function(c){\n\t\tif(c === char) this._state = SUCCESS;\n\t};\n}\n\nfunction ifElseState(upper, SUCCESS, FAILURE){\n\tvar lower = upper.toLowerCase();\n\n\tif(upper === lower){\n\t\treturn function(c){\n\t\t\tif(c === lower){\n\t\t\t\tthis._state = SUCCESS;\n\t\t\t} else {\n\t\t\t\tthis._state = FAILURE;\n\t\t\t\tthis._index--;\n\t\t\t}\n\t\t};\n\t} else {\n\t\treturn function(c){\n\t\t\tif(c === lower || c === upper){\n\t\t\t\tthis._state = SUCCESS;\n\t\t\t} else {\n\t\t\t\tthis._state = FAILURE;\n\t\t\t\tthis._index--;\n\t\t\t}\n\t\t};\n\t}\n}\n\nfunction consumeSpecialNameChar(upper, NEXT_STATE){\n\tvar lower = upper.toLowerCase();\n\n\treturn function(c){\n\t\tif(c === lower || c === upper){\n\t\t\tthis._state = NEXT_STATE;\n\t\t} else {\n\t\t\tthis._state = IN_TAG_NAME;\n\t\t\tthis._index--; //consume the token again\n\t\t}\n\t};\n}\n\nfunction Tokenizer(options, cbs){\n\tthis._state = TEXT;\n\tthis._buffer = \"\";\n\tthis._sectionStart = 0;\n\tthis._index = 0;\n\tthis._bufferOffset = 0; //chars removed from _buffer\n\tthis._baseState = TEXT;\n\tthis._special = SPECIAL_NONE;\n\tthis._cbs = cbs;\n\tthis._running = true;\n\tthis._ended = false;\n\tthis._xmlMode = !!(options && options.xmlMode);\n\tthis._decodeEntities = !!(options && options.decodeEntities);\n}\n\nTokenizer.prototype._stateText = function(c){\n\tif(c === \"<\"){\n\t\tif(this._index > this._sectionStart){\n\t\t\tthis._cbs.ontext(this._getSection());\n\t\t}\n\t\tthis._state = BEFORE_TAG_NAME;\n\t\tthis._sectionStart = this._index;\n\t} else if(this._decodeEntities && this._special === SPECIAL_NONE && c === \"&\"){\n\t\tif(this._index > this._sectionStart){\n\t\t\tthis._cbs.ontext(this._getSection());\n\t\t}\n\t\tthis._baseState = TEXT;\n\t\tthis._state = BEFORE_ENTITY;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateBeforeTagName = function(c){\n\tif(c === \"/\"){\n\t\tthis._state = BEFORE_CLOSING_TAG_NAME;\n\t} else if(c === \"<\"){\n\t\tthis._cbs.ontext(this._getSection());\n\t\tthis._sectionStart = this._index;\n\t} else if(c === \">\" || this._special !== SPECIAL_NONE || whitespace(c)) {\n\t\tthis._state = TEXT;\n\t} else if(c === \"!\"){\n\t\tthis._state = BEFORE_DECLARATION;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(c === \"?\"){\n\t\tthis._state = IN_PROCESSING_INSTRUCTION;\n\t\tthis._sectionStart = this._index + 1;\n\t} else {\n\t\tthis._state = (!this._xmlMode && (c === \"s\" || c === \"S\")) ?\n\t\t\t\t\t\tBEFORE_SPECIAL : IN_TAG_NAME;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateInTagName = function(c){\n\tif(c === \"/\" || c === \">\" || whitespace(c)){\n\t\tthis._emitToken(\"onopentagname\");\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateBeforeCloseingTagName = function(c){\n\tif(whitespace(c));\n\telse if(c === \">\"){\n\t\tthis._state = TEXT;\n\t} else if(this._special !== SPECIAL_NONE){\n\t\tif(c === \"s\" || c === \"S\"){\n\t\t\tthis._state = BEFORE_SPECIAL_END;\n\t\t} else {\n\t\t\tthis._state = TEXT;\n\t\t\tthis._index--;\n\t\t}\n\t} else {\n\t\tthis._state = IN_CLOSING_TAG_NAME;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateInCloseingTagName = function(c){\n\tif(c === \">\" || whitespace(c)){\n\t\tthis._emitToken(\"onclosetag\");\n\t\tthis._state = AFTER_CLOSING_TAG_NAME;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateAfterCloseingTagName = function(c){\n\t//skip everything until \">\"\n\tif(c === \">\"){\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t}\n};\n\nTokenizer.prototype._stateBeforeAttributeName = function(c){\n\tif(c === \">\"){\n\t\tthis._cbs.onopentagend();\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(c === \"/\"){\n\t\tthis._state = IN_SELF_CLOSING_TAG;\n\t} else if(!whitespace(c)){\n\t\tthis._state = IN_ATTRIBUTE_NAME;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateInSelfClosingTag = function(c){\n\tif(c === \">\"){\n\t\tthis._cbs.onselfclosingtag();\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(!whitespace(c)){\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateInAttributeName = function(c){\n\tif(c === \"=\" || c === \"/\" || c === \">\" || whitespace(c)){\n\t\tthis._cbs.onattribname(this._getSection());\n\t\tthis._sectionStart = -1;\n\t\tthis._state = AFTER_ATTRIBUTE_NAME;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateAfterAttributeName = function(c){\n\tif(c === \"=\"){\n\t\tthis._state = BEFORE_ATTRIBUTE_VALUE;\n\t} else if(c === \"/\" || c === \">\"){\n\t\tthis._cbs.onattribend();\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t\tthis._index--;\n\t} else if(!whitespace(c)){\n\t\tthis._cbs.onattribend();\n\t\tthis._state = IN_ATTRIBUTE_NAME;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateBeforeAttributeValue = function(c){\n\tif(c === \"\\\"\"){\n\t\tthis._state = IN_ATTRIBUTE_VALUE_DQ;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(c === \"'\"){\n\t\tthis._state = IN_ATTRIBUTE_VALUE_SQ;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(!whitespace(c)){\n\t\tthis._state = IN_ATTRIBUTE_VALUE_NQ;\n\t\tthis._sectionStart = this._index;\n\t\tthis._index--; //reconsume token\n\t}\n};\n\nTokenizer.prototype._stateInAttributeValueDoubleQuotes = function(c){\n\tif(c === \"\\\"\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._cbs.onattribend();\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t} else if(this._decodeEntities && c === \"&\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._baseState = this._state;\n\t\tthis._state = BEFORE_ENTITY;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateInAttributeValueSingleQuotes = function(c){\n\tif(c === \"'\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._cbs.onattribend();\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t} else if(this._decodeEntities && c === \"&\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._baseState = this._state;\n\t\tthis._state = BEFORE_ENTITY;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateInAttributeValueNoQuotes = function(c){\n\tif(whitespace(c) || c === \">\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._cbs.onattribend();\n\t\tthis._state = BEFORE_ATTRIBUTE_NAME;\n\t\tthis._index--;\n\t} else if(this._decodeEntities && c === \"&\"){\n\t\tthis._emitToken(\"onattribdata\");\n\t\tthis._baseState = this._state;\n\t\tthis._state = BEFORE_ENTITY;\n\t\tthis._sectionStart = this._index;\n\t}\n};\n\nTokenizer.prototype._stateBeforeDeclaration = function(c){\n\tthis._state = c === \"[\" ? BEFORE_CDATA_1 :\n\t\t\t\t\tc === \"-\" ? BEFORE_COMMENT :\n\t\t\t\t\t\tIN_DECLARATION;\n};\n\nTokenizer.prototype._stateInDeclaration = function(c){\n\tif(c === \">\"){\n\t\tthis._cbs.ondeclaration(this._getSection());\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t}\n};\n\nTokenizer.prototype._stateInProcessingInstruction = function(c){\n\tif(c === \">\"){\n\t\tthis._cbs.onprocessinginstruction(this._getSection());\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t}\n};\n\nTokenizer.prototype._stateBeforeComment = function(c){\n\tif(c === \"-\"){\n\t\tthis._state = IN_COMMENT;\n\t\tthis._sectionStart = this._index + 1;\n\t} else {\n\t\tthis._state = IN_DECLARATION;\n\t}\n};\n\nTokenizer.prototype._stateInComment = function(c){\n\tif(c === \"-\") this._state = AFTER_COMMENT_1;\n};\n\nTokenizer.prototype._stateAfterComment1 = function(c){\n\tif(c === \"-\"){\n\t\tthis._state = AFTER_COMMENT_2;\n\t} else {\n\t\tthis._state = IN_COMMENT;\n\t}\n};\n\nTokenizer.prototype._stateAfterComment2 = function(c){\n\tif(c === \">\"){\n\t\t//remove 2 trailing chars\n\t\tthis._cbs.oncomment(this._buffer.substring(this._sectionStart, this._index - 2));\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(c !== \"-\"){\n\t\tthis._state = IN_COMMENT;\n\t}\n\t// else: stay in AFTER_COMMENT_2 (`--->`)\n};\n\nTokenizer.prototype._stateBeforeCdata1 = ifElseState(\"C\", BEFORE_CDATA_2, IN_DECLARATION);\nTokenizer.prototype._stateBeforeCdata2 = ifElseState(\"D\", BEFORE_CDATA_3, IN_DECLARATION);\nTokenizer.prototype._stateBeforeCdata3 = ifElseState(\"A\", BEFORE_CDATA_4, IN_DECLARATION);\nTokenizer.prototype._stateBeforeCdata4 = ifElseState(\"T\", BEFORE_CDATA_5, IN_DECLARATION);\nTokenizer.prototype._stateBeforeCdata5 = ifElseState(\"A\", BEFORE_CDATA_6, IN_DECLARATION);\n\nTokenizer.prototype._stateBeforeCdata6 = function(c){\n\tif(c === \"[\"){\n\t\tthis._state = IN_CDATA;\n\t\tthis._sectionStart = this._index + 1;\n\t} else {\n\t\tthis._state = IN_DECLARATION;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateInCdata = function(c){\n\tif(c === \"]\") this._state = AFTER_CDATA_1;\n};\n\nTokenizer.prototype._stateAfterCdata1 = characterState(\"]\", AFTER_CDATA_2);\n\nTokenizer.prototype._stateAfterCdata2 = function(c){\n\tif(c === \">\"){\n\t\t//remove 2 trailing chars\n\t\tthis._cbs.oncdata(this._buffer.substring(this._sectionStart, this._index - 2));\n\t\tthis._state = TEXT;\n\t\tthis._sectionStart = this._index + 1;\n\t} else if(c !== \"]\") {\n\t\tthis._state = IN_CDATA;\n\t}\n\t//else: stay in AFTER_CDATA_2 (`]]]>`)\n};\n\nTokenizer.prototype._stateBeforeSpecial = function(c){\n\tif(c === \"c\" || c === \"C\"){\n\t\tthis._state = BEFORE_SCRIPT_1;\n\t} else if(c === \"t\" || c === \"T\"){\n\t\tthis._state = BEFORE_STYLE_1;\n\t} else {\n\t\tthis._state = IN_TAG_NAME;\n\t\tthis._index--; //consume the token again\n\t}\n};\n\nTokenizer.prototype._stateBeforeSpecialEnd = function(c){\n\tif(this._special === SPECIAL_SCRIPT && (c === \"c\" || c === \"C\")){\n\t\tthis._state = AFTER_SCRIPT_1;\n\t} else if(this._special === SPECIAL_STYLE && (c === \"t\" || c === \"T\")){\n\t\tthis._state = AFTER_STYLE_1;\n\t}\n\telse this._state = TEXT;\n};\n\nTokenizer.prototype._stateBeforeScript1 = consumeSpecialNameChar(\"R\", BEFORE_SCRIPT_2);\nTokenizer.prototype._stateBeforeScript2 = consumeSpecialNameChar(\"I\", BEFORE_SCRIPT_3);\nTokenizer.prototype._stateBeforeScript3 = consumeSpecialNameChar(\"P\", BEFORE_SCRIPT_4);\nTokenizer.prototype._stateBeforeScript4 = consumeSpecialNameChar(\"T\", BEFORE_SCRIPT_5);\n\nTokenizer.prototype._stateBeforeScript5 = function(c){\n\tif(c === \"/\" || c === \">\" || whitespace(c)){\n\t\tthis._special = SPECIAL_SCRIPT;\n\t}\n\tthis._state = IN_TAG_NAME;\n\tthis._index--; //consume the token again\n};\n\nTokenizer.prototype._stateAfterScript1 = ifElseState(\"R\", AFTER_SCRIPT_2, TEXT);\nTokenizer.prototype._stateAfterScript2 = ifElseState(\"I\", AFTER_SCRIPT_3, TEXT);\nTokenizer.prototype._stateAfterScript3 = ifElseState(\"P\", AFTER_SCRIPT_4, TEXT);\nTokenizer.prototype._stateAfterScript4 = ifElseState(\"T\", AFTER_SCRIPT_5, TEXT);\n\nTokenizer.prototype._stateAfterScript5 = function(c){\n\tif(c === \">\" || whitespace(c)){\n\t\tthis._special = SPECIAL_NONE;\n\t\tthis._state = IN_CLOSING_TAG_NAME;\n\t\tthis._sectionStart = this._index - 6;\n\t\tthis._index--; //reconsume the token\n\t}\n\telse this._state = TEXT;\n};\n\nTokenizer.prototype._stateBeforeStyle1 = consumeSpecialNameChar(\"Y\", BEFORE_STYLE_2);\nTokenizer.prototype._stateBeforeStyle2 = consumeSpecialNameChar(\"L\", BEFORE_STYLE_3);\nTokenizer.prototype._stateBeforeStyle3 = consumeSpecialNameChar(\"E\", BEFORE_STYLE_4);\n\nTokenizer.prototype._stateBeforeStyle4 = function(c){\n\tif(c === \"/\" || c === \">\" || whitespace(c)){\n\t\tthis._special = SPECIAL_STYLE;\n\t}\n\tthis._state = IN_TAG_NAME;\n\tthis._index--; //consume the token again\n};\n\nTokenizer.prototype._stateAfterStyle1 = ifElseState(\"Y\", AFTER_STYLE_2, TEXT);\nTokenizer.prototype._stateAfterStyle2 = ifElseState(\"L\", AFTER_STYLE_3, TEXT);\nTokenizer.prototype._stateAfterStyle3 = ifElseState(\"E\", AFTER_STYLE_4, TEXT);\n\nTokenizer.prototype._stateAfterStyle4 = function(c){\n\tif(c === \">\" || whitespace(c)){\n\t\tthis._special = SPECIAL_NONE;\n\t\tthis._state = IN_CLOSING_TAG_NAME;\n\t\tthis._sectionStart = this._index - 5;\n\t\tthis._index--; //reconsume the token\n\t}\n\telse this._state = TEXT;\n};\n\nTokenizer.prototype._stateBeforeEntity = ifElseState(\"#\", BEFORE_NUMERIC_ENTITY, IN_NAMED_ENTITY);\nTokenizer.prototype._stateBeforeNumericEntity = ifElseState(\"X\", IN_HEX_ENTITY, IN_NUMERIC_ENTITY);\n\n//for entities terminated with a semicolon\nTokenizer.prototype._parseNamedEntityStrict = function(){\n\t//offset = 1\n\tif(this._sectionStart + 1 < this._index){\n\t\tvar entity = this._buffer.substring(this._sectionStart + 1, this._index),\n\t\t    map = this._xmlMode ? xmlMap : entityMap;\n\n\t\tif(map.hasOwnProperty(entity)){\n\t\t\tthis._emitPartial(map[entity]);\n\t\t\tthis._sectionStart = this._index + 1;\n\t\t}\n\t}\n};\n\n\n//parses legacy entities (without trailing semicolon)\nTokenizer.prototype._parseLegacyEntity = function(){\n\tvar start = this._sectionStart + 1,\n\t    limit = this._index - start;\n\n\tif(limit > 6) limit = 6; //the max length of legacy entities is 6\n\n\twhile(limit >= 2){ //the min length of legacy entities is 2\n\t\tvar entity = this._buffer.substr(start, limit);\n\n\t\tif(legacyMap.hasOwnProperty(entity)){\n\t\t\tthis._emitPartial(legacyMap[entity]);\n\t\t\tthis._sectionStart += limit + 1;\n\t\t\treturn;\n\t\t} else {\n\t\t\tlimit--;\n\t\t}\n\t}\n};\n\nTokenizer.prototype._stateInNamedEntity = function(c){\n\tif(c === \";\"){\n\t\tthis._parseNamedEntityStrict();\n\t\tif(this._sectionStart + 1 < this._index && !this._xmlMode){\n\t\t\tthis._parseLegacyEntity();\n\t\t}\n\t\tthis._state = this._baseState;\n\t} else if((c < \"a\" || c > \"z\") && (c < \"A\" || c > \"Z\") && (c < \"0\" || c > \"9\")){\n\t\tif(this._xmlMode);\n\t\telse if(this._sectionStart + 1 === this._index);\n\t\telse if(this._baseState !== TEXT){\n\t\t\tif(c !== \"=\"){\n\t\t\t\tthis._parseNamedEntityStrict();\n\t\t\t}\n\t\t} else {\n\t\t\tthis._parseLegacyEntity();\n\t\t}\n\n\t\tthis._state = this._baseState;\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._decodeNumericEntity = function(offset, base){\n\tvar sectionStart = this._sectionStart + offset;\n\n\tif(sectionStart !== this._index){\n\t\t//parse entity\n\t\tvar entity = this._buffer.substring(sectionStart, this._index);\n\t\tvar parsed = parseInt(entity, base);\n\n\t\tthis._emitPartial(decodeCodePoint(parsed));\n\t\tthis._sectionStart = this._index;\n\t} else {\n\t\tthis._sectionStart--;\n\t}\n\n\tthis._state = this._baseState;\n};\n\nTokenizer.prototype._stateInNumericEntity = function(c){\n\tif(c === \";\"){\n\t\tthis._decodeNumericEntity(2, 10);\n\t\tthis._sectionStart++;\n\t} else if(c < \"0\" || c > \"9\"){\n\t\tif(!this._xmlMode){\n\t\t\tthis._decodeNumericEntity(2, 10);\n\t\t} else {\n\t\t\tthis._state = this._baseState;\n\t\t}\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._stateInHexEntity = function(c){\n\tif(c === \";\"){\n\t\tthis._decodeNumericEntity(3, 16);\n\t\tthis._sectionStart++;\n\t} else if((c < \"a\" || c > \"f\") && (c < \"A\" || c > \"F\") && (c < \"0\" || c > \"9\")){\n\t\tif(!this._xmlMode){\n\t\t\tthis._decodeNumericEntity(3, 16);\n\t\t} else {\n\t\t\tthis._state = this._baseState;\n\t\t}\n\t\tthis._index--;\n\t}\n};\n\nTokenizer.prototype._cleanup = function (){\n\tif(this._sectionStart < 0){\n\t\tthis._buffer = \"\";\n\t\tthis._bufferOffset += this._index;\n\t\tthis._index = 0;\n\t} else if(this._running){\n\t\tif(this._state === TEXT){\n\t\t\tif(this._sectionStart !== this._index){\n\t\t\t\tthis._cbs.ontext(this._buffer.substr(this._sectionStart));\n\t\t\t}\n\t\t\tthis._buffer = \"\";\n\t\t\tthis._bufferOffset += this._index;\n\t\t\tthis._index = 0;\n\t\t} else if(this._sectionStart === this._index){\n\t\t\t//the section just started\n\t\t\tthis._buffer = \"\";\n\t\t\tthis._bufferOffset += this._index;\n\t\t\tthis._index = 0;\n\t\t} else {\n\t\t\t//remove everything unnecessary\n\t\t\tthis._buffer = this._buffer.substr(this._sectionStart);\n\t\t\tthis._index -= this._sectionStart;\n\t\t\tthis._bufferOffset += this._sectionStart;\n\t\t}\n\n\t\tthis._sectionStart = 0;\n\t}\n};\n\n//TODO make events conditional\nTokenizer.prototype.write = function(chunk){\n\tif(this._ended) this._cbs.onerror(Error(\".write() after done!\"));\n\n\tthis._buffer += chunk;\n\tthis._parse();\n};\n\nTokenizer.prototype._parse = function(){\n\twhile(this._index < this._buffer.length && this._running){\n\t\tvar c = this._buffer.charAt(this._index);\n\t\tif(this._state === TEXT) {\n\t\t\tthis._stateText(c);\n\t\t} else if(this._state === BEFORE_TAG_NAME){\n\t\t\tthis._stateBeforeTagName(c);\n\t\t} else if(this._state === IN_TAG_NAME) {\n\t\t\tthis._stateInTagName(c);\n\t\t} else if(this._state === BEFORE_CLOSING_TAG_NAME){\n\t\t\tthis._stateBeforeCloseingTagName(c);\n\t\t} else if(this._state === IN_CLOSING_TAG_NAME){\n\t\t\tthis._stateInCloseingTagName(c);\n\t\t} else if(this._state === AFTER_CLOSING_TAG_NAME){\n\t\t\tthis._stateAfterCloseingTagName(c);\n\t\t} else if(this._state === IN_SELF_CLOSING_TAG){\n\t\t\tthis._stateInSelfClosingTag(c);\n\t\t}\n\n\t\t/*\n\t\t*\tattributes\n\t\t*/\n\t\telse if(this._state === BEFORE_ATTRIBUTE_NAME){\n\t\t\tthis._stateBeforeAttributeName(c);\n\t\t} else if(this._state === IN_ATTRIBUTE_NAME){\n\t\t\tthis._stateInAttributeName(c);\n\t\t} else if(this._state === AFTER_ATTRIBUTE_NAME){\n\t\t\tthis._stateAfterAttributeName(c);\n\t\t} else if(this._state === BEFORE_ATTRIBUTE_VALUE){\n\t\t\tthis._stateBeforeAttributeValue(c);\n\t\t} else if(this._state === IN_ATTRIBUTE_VALUE_DQ){\n\t\t\tthis._stateInAttributeValueDoubleQuotes(c);\n\t\t} else if(this._state === IN_ATTRIBUTE_VALUE_SQ){\n\t\t\tthis._stateInAttributeValueSingleQuotes(c);\n\t\t} else if(this._state === IN_ATTRIBUTE_VALUE_NQ){\n\t\t\tthis._stateInAttributeValueNoQuotes(c);\n\t\t}\n\n\t\t/*\n\t\t*\tdeclarations\n\t\t*/\n\t\telse if(this._state === BEFORE_DECLARATION){\n\t\t\tthis._stateBeforeDeclaration(c);\n\t\t} else if(this._state === IN_DECLARATION){\n\t\t\tthis._stateInDeclaration(c);\n\t\t}\n\n\t\t/*\n\t\t*\tprocessing instructions\n\t\t*/\n\t\telse if(this._state === IN_PROCESSING_INSTRUCTION){\n\t\t\tthis._stateInProcessingInstruction(c);\n\t\t}\n\n\t\t/*\n\t\t*\tcomments\n\t\t*/\n\t\telse if(this._state === BEFORE_COMMENT){\n\t\t\tthis._stateBeforeComment(c);\n\t\t} else if(this._state === IN_COMMENT){\n\t\t\tthis._stateInComment(c);\n\t\t} else if(this._state === AFTER_COMMENT_1){\n\t\t\tthis._stateAfterComment1(c);\n\t\t} else if(this._state === AFTER_COMMENT_2){\n\t\t\tthis._stateAfterComment2(c);\n\t\t}\n\n\t\t/*\n\t\t*\tcdata\n\t\t*/\n\t\telse if(this._state === BEFORE_CDATA_1){\n\t\t\tthis._stateBeforeCdata1(c);\n\t\t} else if(this._state === BEFORE_CDATA_2){\n\t\t\tthis._stateBeforeCdata2(c);\n\t\t} else if(this._state === BEFORE_CDATA_3){\n\t\t\tthis._stateBeforeCdata3(c);\n\t\t} else if(this._state === BEFORE_CDATA_4){\n\t\t\tthis._stateBeforeCdata4(c);\n\t\t} else if(this._state === BEFORE_CDATA_5){\n\t\t\tthis._stateBeforeCdata5(c);\n\t\t} else if(this._state === BEFORE_CDATA_6){\n\t\t\tthis._stateBeforeCdata6(c);\n\t\t} else if(this._state === IN_CDATA){\n\t\t\tthis._stateInCdata(c);\n\t\t} else if(this._state === AFTER_CDATA_1){\n\t\t\tthis._stateAfterCdata1(c);\n\t\t} else if(this._state === AFTER_CDATA_2){\n\t\t\tthis._stateAfterCdata2(c);\n\t\t}\n\n\t\t/*\n\t\t* special tags\n\t\t*/\n\t\telse if(this._state === BEFORE_SPECIAL){\n\t\t\tthis._stateBeforeSpecial(c);\n\t\t} else if(this._state === BEFORE_SPECIAL_END){\n\t\t\tthis._stateBeforeSpecialEnd(c);\n\t\t}\n\n\t\t/*\n\t\t* script\n\t\t*/\n\t\telse if(this._state === BEFORE_SCRIPT_1){\n\t\t\tthis._stateBeforeScript1(c);\n\t\t} else if(this._state === BEFORE_SCRIPT_2){\n\t\t\tthis._stateBeforeScript2(c);\n\t\t} else if(this._state === BEFORE_SCRIPT_3){\n\t\t\tthis._stateBeforeScript3(c);\n\t\t} else if(this._state === BEFORE_SCRIPT_4){\n\t\t\tthis._stateBeforeScript4(c);\n\t\t} else if(this._state === BEFORE_SCRIPT_5){\n\t\t\tthis._stateBeforeScript5(c);\n\t\t}\n\n\t\telse if(this._state === AFTER_SCRIPT_1){\n\t\t\tthis._stateAfterScript1(c);\n\t\t} else if(this._state === AFTER_SCRIPT_2){\n\t\t\tthis._stateAfterScript2(c);\n\t\t} else if(this._state === AFTER_SCRIPT_3){\n\t\t\tthis._stateAfterScript3(c);\n\t\t} else if(this._state === AFTER_SCRIPT_4){\n\t\t\tthis._stateAfterScript4(c);\n\t\t} else if(this._state === AFTER_SCRIPT_5){\n\t\t\tthis._stateAfterScript5(c);\n\t\t}\n\n\t\t/*\n\t\t* style\n\t\t*/\n\t\telse if(this._state === BEFORE_STYLE_1){\n\t\t\tthis._stateBeforeStyle1(c);\n\t\t} else if(this._state === BEFORE_STYLE_2){\n\t\t\tthis._stateBeforeStyle2(c);\n\t\t} else if(this._state === BEFORE_STYLE_3){\n\t\t\tthis._stateBeforeStyle3(c);\n\t\t} else if(this._state === BEFORE_STYLE_4){\n\t\t\tthis._stateBeforeStyle4(c);\n\t\t}\n\n\t\telse if(this._state === AFTER_STYLE_1){\n\t\t\tthis._stateAfterStyle1(c);\n\t\t} else if(this._state === AFTER_STYLE_2){\n\t\t\tthis._stateAfterStyle2(c);\n\t\t} else if(this._state === AFTER_STYLE_3){\n\t\t\tthis._stateAfterStyle3(c);\n\t\t} else if(this._state === AFTER_STYLE_4){\n\t\t\tthis._stateAfterStyle4(c);\n\t\t}\n\n\t\t/*\n\t\t* entities\n\t\t*/\n\t\telse if(this._state === BEFORE_ENTITY){\n\t\t\tthis._stateBeforeEntity(c);\n\t\t} else if(this._state === BEFORE_NUMERIC_ENTITY){\n\t\t\tthis._stateBeforeNumericEntity(c);\n\t\t} else if(this._state === IN_NAMED_ENTITY){\n\t\t\tthis._stateInNamedEntity(c);\n\t\t} else if(this._state === IN_NUMERIC_ENTITY){\n\t\t\tthis._stateInNumericEntity(c);\n\t\t} else if(this._state === IN_HEX_ENTITY){\n\t\t\tthis._stateInHexEntity(c);\n\t\t}\n\n\t\telse {\n\t\t\tthis._cbs.onerror(Error(\"unknown _state\"), this._state);\n\t\t}\n\n\t\tthis._index++;\n\t}\n\n\tthis._cleanup();\n};\n\nTokenizer.prototype.pause = function(){\n\tthis._running = false;\n};\nTokenizer.prototype.resume = function(){\n\tthis._running = true;\n\n\tif(this._index < this._buffer.length){\n\t\tthis._parse();\n\t}\n\tif(this._ended){\n\t\tthis._finish();\n\t}\n};\n\nTokenizer.prototype.end = function(chunk){\n\tif(this._ended) this._cbs.onerror(Error(\".end() after done!\"));\n\tif(chunk) this.write(chunk);\n\n\tthis._ended = true;\n\n\tif(this._running) this._finish();\n};\n\nTokenizer.prototype._finish = function(){\n\t//if there is remaining data, emit it in a reasonable way\n\tif(this._sectionStart < this._index){\n\t\tthis._handleTrailingData();\n\t}\n\n\tthis._cbs.onend();\n};\n\nTokenizer.prototype._handleTrailingData = function(){\n\tvar data = this._buffer.substr(this._sectionStart);\n\n\tif(this._state === IN_CDATA || this._state === AFTER_CDATA_1 || this._state === AFTER_CDATA_2){\n\t\tthis._cbs.oncdata(data);\n\t} else if(this._state === IN_COMMENT || this._state === AFTER_COMMENT_1 || this._state === AFTER_COMMENT_2){\n\t\tthis._cbs.oncomment(data);\n\t} else if(this._state === IN_NAMED_ENTITY && !this._xmlMode){\n\t\tthis._parseLegacyEntity();\n\t\tif(this._sectionStart < this._index){\n\t\t\tthis._state = this._baseState;\n\t\t\tthis._handleTrailingData();\n\t\t}\n\t} else if(this._state === IN_NUMERIC_ENTITY && !this._xmlMode){\n\t\tthis._decodeNumericEntity(2, 10);\n\t\tif(this._sectionStart < this._index){\n\t\t\tthis._state = this._baseState;\n\t\t\tthis._handleTrailingData();\n\t\t}\n\t} else if(this._state === IN_HEX_ENTITY && !this._xmlMode){\n\t\tthis._decodeNumericEntity(3, 16);\n\t\tif(this._sectionStart < this._index){\n\t\t\tthis._state = this._baseState;\n\t\t\tthis._handleTrailingData();\n\t\t}\n\t} else if(\n\t\tthis._state !== IN_TAG_NAME &&\n\t\tthis._state !== BEFORE_ATTRIBUTE_NAME &&\n\t\tthis._state !== BEFORE_ATTRIBUTE_VALUE &&\n\t\tthis._state !== AFTER_ATTRIBUTE_NAME &&\n\t\tthis._state !== IN_ATTRIBUTE_NAME &&\n\t\tthis._state !== IN_ATTRIBUTE_VALUE_SQ &&\n\t\tthis._state !== IN_ATTRIBUTE_VALUE_DQ &&\n\t\tthis._state !== IN_ATTRIBUTE_VALUE_NQ &&\n\t\tthis._state !== IN_CLOSING_TAG_NAME\n\t){\n\t\tthis._cbs.ontext(data);\n\t}\n\t//else, ignore remaining data\n\t//TODO add a way to remove current tag\n};\n\nTokenizer.prototype.reset = function(){\n\tTokenizer.call(this, {xmlMode: this._xmlMode, decodeEntities: this._decodeEntities}, this._cbs);\n};\n\nTokenizer.prototype.getAbsoluteIndex = function(){\n\treturn this._bufferOffset + this._index;\n};\n\nTokenizer.prototype._getSection = function(){\n\treturn this._buffer.substring(this._sectionStart, this._index);\n};\n\nTokenizer.prototype._emitToken = function(name){\n\tthis._cbs[name](this._getSection());\n\tthis._sectionStart = -1;\n};\n\nTokenizer.prototype._emitPartial = function(value){\n\tif(this._baseState !== TEXT){\n\t\tthis._cbs.onattribdata(value); //TODO implement the new event\n\t} else {\n\t\tthis._cbs.ontext(value);\n\t}\n};\n","var DomUtils = module.exports;\n\n[\n\trequire(\"./lib/stringify\"),\n\trequire(\"./lib/traversal\"),\n\trequire(\"./lib/manipulation\"),\n\trequire(\"./lib/querying\"),\n\trequire(\"./lib/legacy\"),\n\trequire(\"./lib/helpers\")\n].forEach(function(ext){\n\tObject.keys(ext).forEach(function(key){\n\t\tDomUtils[key] = ext[key].bind(DomUtils);\n\t});\n});\n","module.exports = ProxyHandler;\n\nfunction ProxyHandler(cbs){\n\tthis._cbs = cbs || {};\n}\n\nvar EVENTS = require(\"./\").EVENTS;\nObject.keys(EVENTS).forEach(function(name){\n\tif(EVENTS[name] === 0){\n\t\tname = \"on\" + name;\n\t\tProxyHandler.prototype[name] = function(){\n\t\t\tif(this._cbs[name]) this._cbs[name]();\n\t\t};\n\t} else if(EVENTS[name] === 1){\n\t\tname = \"on\" + name;\n\t\tProxyHandler.prototype[name] = function(a){\n\t\t\tif(this._cbs[name]) this._cbs[name](a);\n\t\t};\n\t} else if(EVENTS[name] === 2){\n\t\tname = \"on\" + name;\n\t\tProxyHandler.prototype[name] = function(a, b){\n\t\t\tif(this._cbs[name]) this._cbs[name](a, b);\n\t\t};\n\t} else {\n\t\tthrow Error(\"wrong number of arguments\");\n\t}\n});","/*\n  Module dependencies\n*/\nvar ElementType = require('domelementtype');\nvar entities = require('entities');\n\n/* mixed-case SVG and MathML tags & attributes\n   recognized by the HTML parser, see\n   https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inforeign\n*/\nvar foreignNames = require('./foreignNames.json');\nforeignNames.elementNames.__proto__ = null; /* use as a simple dictionary */\nforeignNames.attributeNames.__proto__ = null;\n\nvar unencodedElements = {\n  __proto__: null,\n  style: true,\n  script: true,\n  xmp: true,\n  iframe: true,\n  noembed: true,\n  noframes: true,\n  plaintext: true,\n  noscript: true\n};\n\n/*\n  Format attributes\n*/\nfunction formatAttrs(attributes, opts) {\n  if (!attributes) return;\n\n  var output = '';\n  var value;\n\n  // Loop through the attributes\n  for (var key in attributes) {\n    value = attributes[key];\n    if (output) {\n      output += ' ';\n    }\n\n    if (opts.xmlMode === 'foreign') {\n      /* fix up mixed-case attribute names */\n      key = foreignNames.attributeNames[key] || key;\n    }\n    output += key;\n    if ((value !== null && value !== '') || opts.xmlMode) {\n      output +=\n        '=\"' +\n        (opts.decodeEntities\n          ? entities.encodeXML(value)\n          : value.replace(/\\\"/g, '&quot;')) +\n        '\"';\n    }\n  }\n\n  return output;\n}\n\n/*\n  Self-enclosing tags (stolen from node-htmlparser)\n*/\nvar singleTag = {\n  __proto__: null,\n  area: true,\n  base: true,\n  basefont: true,\n  br: true,\n  col: true,\n  command: true,\n  embed: true,\n  frame: true,\n  hr: true,\n  img: true,\n  input: true,\n  isindex: true,\n  keygen: true,\n  link: true,\n  meta: true,\n  param: true,\n  source: true,\n  track: true,\n  wbr: true\n};\n\nvar render = (module.exports = function(dom, opts) {\n  if (!Array.isArray(dom) && !dom.cheerio) dom = [dom];\n  opts = opts || {};\n\n  var output = '';\n\n  for (var i = 0; i < dom.length; i++) {\n    var elem = dom[i];\n\n    if (elem.type === 'root') output += render(elem.children, opts);\n    else if (ElementType.isTag(elem)) output += renderTag(elem, opts);\n    else if (elem.type === ElementType.Directive)\n      output += renderDirective(elem);\n    else if (elem.type === ElementType.Comment) output += renderComment(elem);\n    else if (elem.type === ElementType.CDATA) output += renderCdata(elem);\n    else output += renderText(elem, opts);\n  }\n\n  return output;\n});\n\nvar foreignModeIntegrationPoints = [\n  'mi',\n  'mo',\n  'mn',\n  'ms',\n  'mtext',\n  'annotation-xml',\n  'foreignObject',\n  'desc',\n  'title'\n];\n\nfunction renderTag(elem, opts) {\n  // Handle SVG / MathML in HTML\n  if (opts.xmlMode === 'foreign') {\n    /* fix up mixed-case element names */\n    elem.name = foreignNames.elementNames[elem.name] || elem.name;\n    /* exit foreign mode at integration points */\n    if (\n      elem.parent &&\n      foreignModeIntegrationPoints.indexOf(elem.parent.name) >= 0\n    )\n      opts = Object.assign({}, opts, { xmlMode: false });\n  }\n  if (!opts.xmlMode && ['svg', 'math'].indexOf(elem.name) >= 0) {\n    opts = Object.assign({}, opts, { xmlMode: 'foreign' });\n  }\n\n  var tag = '<' + elem.name;\n  var attribs = formatAttrs(elem.attribs, opts);\n\n  if (attribs) {\n    tag += ' ' + attribs;\n  }\n\n  if (opts.xmlMode && (!elem.children || elem.children.length === 0)) {\n    tag += '/>';\n  } else {\n    tag += '>';\n    if (elem.children) {\n      tag += render(elem.children, opts);\n    }\n\n    if (!singleTag[elem.name] || opts.xmlMode) {\n      tag += '</' + elem.name + '>';\n    }\n  }\n\n  return tag;\n}\n\nfunction renderDirective(elem) {\n  return '<' + elem.data + '>';\n}\n\nfunction renderText(elem, opts) {\n  var data = elem.data || '';\n\n  // if entities weren't decoded, no need to encode them back\n  if (\n    opts.decodeEntities &&\n    !(elem.parent && elem.parent.name in unencodedElements)\n  ) {\n    data = entities.encodeXML(data);\n  }\n\n  return data;\n}\n\nfunction renderCdata(elem) {\n  return '<![CDATA[' + elem.children[0].data + ']]>';\n}\n\nfunction renderComment(elem) {\n  return '<!--' + elem.data + '-->';\n}\n","/*! https://mths.be/punycode v1.4.1 by @mathias */\n;(function(root) {\n\n\t/** Detect free variables */\n\tvar freeExports = typeof exports == 'object' && exports &&\n\t\t!exports.nodeType && exports;\n\tvar freeModule = typeof module == 'object' && module &&\n\t\t!module.nodeType && module;\n\tvar freeGlobal = typeof global == 'object' && global;\n\tif (\n\t\tfreeGlobal.global === freeGlobal ||\n\t\tfreeGlobal.window === freeGlobal ||\n\t\tfreeGlobal.self === freeGlobal\n\t) {\n\t\troot = freeGlobal;\n\t}\n\n\t/**\n\t * The `punycode` object.\n\t * @name punycode\n\t * @type Object\n\t */\n\tvar punycode,\n\n\t/** Highest positive signed 32-bit float value */\n\tmaxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1\n\n\t/** Bootstring parameters */\n\tbase = 36,\n\ttMin = 1,\n\ttMax = 26,\n\tskew = 38,\n\tdamp = 700,\n\tinitialBias = 72,\n\tinitialN = 128, // 0x80\n\tdelimiter = '-', // '\\x2D'\n\n\t/** Regular expressions */\n\tregexPunycode = /^xn--/,\n\tregexNonASCII = /[^\\x20-\\x7E]/, // unprintable ASCII chars + non-ASCII chars\n\tregexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g, // RFC 3490 separators\n\n\t/** Error messages */\n\terrors = {\n\t\t'overflow': 'Overflow: input needs wider integers to process',\n\t\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t\t'invalid-input': 'Invalid input'\n\t},\n\n\t/** Convenience shortcuts */\n\tbaseMinusTMin = base - tMin,\n\tfloor = Math.floor,\n\tstringFromCharCode = String.fromCharCode,\n\n\t/** Temporary variable */\n\tkey;\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/**\n\t * A generic error utility function.\n\t * @private\n\t * @param {String} type The error type.\n\t * @returns {Error} Throws a `RangeError` with the applicable error message.\n\t */\n\tfunction error(type) {\n\t\tthrow new RangeError(errors[type]);\n\t}\n\n\t/**\n\t * A generic `Array#map` utility function.\n\t * @private\n\t * @param {Array} array The array to iterate over.\n\t * @param {Function} callback The function that gets called for every array\n\t * item.\n\t * @returns {Array} A new array of values returned by the callback function.\n\t */\n\tfunction map(array, fn) {\n\t\tvar length = array.length;\n\t\tvar result = [];\n\t\twhile (length--) {\n\t\t\tresult[length] = fn(array[length]);\n\t\t}\n\t\treturn result;\n\t}\n\n\t/**\n\t * A simple `Array#map`-like wrapper to work with domain name strings or email\n\t * addresses.\n\t * @private\n\t * @param {String} domain The domain name or email address.\n\t * @param {Function} callback The function that gets called for every\n\t * character.\n\t * @returns {Array} A new string of characters returned by the callback\n\t * function.\n\t */\n\tfunction mapDomain(string, fn) {\n\t\tvar parts = string.split('@');\n\t\tvar result = '';\n\t\tif (parts.length > 1) {\n\t\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t\t// the local part (i.e. everything up to `@`) intact.\n\t\t\tresult = parts[0] + '@';\n\t\t\tstring = parts[1];\n\t\t}\n\t\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\t\tstring = string.replace(regexSeparators, '\\x2E');\n\t\tvar labels = string.split('.');\n\t\tvar encoded = map(labels, fn).join('.');\n\t\treturn result + encoded;\n\t}\n\n\t/**\n\t * Creates an array containing the numeric code points of each Unicode\n\t * character in the string. While JavaScript uses UCS-2 internally,\n\t * this function will convert a pair of surrogate halves (each of which\n\t * UCS-2 exposes as separate characters) into a single code point,\n\t * matching UTF-16.\n\t * @see `punycode.ucs2.encode`\n\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t * @memberOf punycode.ucs2\n\t * @name decode\n\t * @param {String} string The Unicode input string (UCS-2).\n\t * @returns {Array} The new array of code points.\n\t */\n\tfunction ucs2decode(string) {\n\t\tvar output = [],\n\t\t    counter = 0,\n\t\t    length = string.length,\n\t\t    value,\n\t\t    extra;\n\t\twhile (counter < length) {\n\t\t\tvalue = string.charCodeAt(counter++);\n\t\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t\t// high surrogate, and there is a next character\n\t\t\t\textra = string.charCodeAt(counter++);\n\t\t\t\tif ((extra & 0xFC00) == 0xDC00) { // low surrogate\n\t\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t\t} else {\n\t\t\t\t\t// unmatched surrogate; only append this code unit, in case the next\n\t\t\t\t\t// code unit is the high surrogate of a surrogate pair\n\t\t\t\t\toutput.push(value);\n\t\t\t\t\tcounter--;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\toutput.push(value);\n\t\t\t}\n\t\t}\n\t\treturn output;\n\t}\n\n\t/**\n\t * Creates a string based on an array of numeric code points.\n\t * @see `punycode.ucs2.decode`\n\t * @memberOf punycode.ucs2\n\t * @name encode\n\t * @param {Array} codePoints The array of numeric code points.\n\t * @returns {String} The new Unicode string (UCS-2).\n\t */\n\tfunction ucs2encode(array) {\n\t\treturn map(array, function(value) {\n\t\t\tvar output = '';\n\t\t\tif (value > 0xFFFF) {\n\t\t\t\tvalue -= 0x10000;\n\t\t\t\toutput += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);\n\t\t\t\tvalue = 0xDC00 | value & 0x3FF;\n\t\t\t}\n\t\t\toutput += stringFromCharCode(value);\n\t\t\treturn output;\n\t\t}).join('');\n\t}\n\n\t/**\n\t * Converts a basic code point into a digit/integer.\n\t * @see `digitToBasic()`\n\t * @private\n\t * @param {Number} codePoint The basic numeric code point value.\n\t * @returns {Number} The numeric value of a basic code point (for use in\n\t * representing integers) in the range `0` to `base - 1`, or `base` if\n\t * the code point does not represent a value.\n\t */\n\tfunction basicToDigit(codePoint) {\n\t\tif (codePoint - 48 < 10) {\n\t\t\treturn codePoint - 22;\n\t\t}\n\t\tif (codePoint - 65 < 26) {\n\t\t\treturn codePoint - 65;\n\t\t}\n\t\tif (codePoint - 97 < 26) {\n\t\t\treturn codePoint - 97;\n\t\t}\n\t\treturn base;\n\t}\n\n\t/**\n\t * Converts a digit/integer into a basic code point.\n\t * @see `basicToDigit()`\n\t * @private\n\t * @param {Number} digit The numeric value of a basic code point.\n\t * @returns {Number} The basic code point whose value (when used for\n\t * representing integers) is `digit`, which needs to be in the range\n\t * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n\t * used; else, the lowercase form is used. The behavior is undefined\n\t * if `flag` is non-zero and `digit` has no uppercase form.\n\t */\n\tfunction digitToBasic(digit, flag) {\n\t\t//  0..25 map to ASCII a..z or A..Z\n\t\t// 26..35 map to ASCII 0..9\n\t\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n\t}\n\n\t/**\n\t * Bias adaptation function as per section 3.4 of RFC 3492.\n\t * https://tools.ietf.org/html/rfc3492#section-3.4\n\t * @private\n\t */\n\tfunction adapt(delta, numPoints, firstTime) {\n\t\tvar k = 0;\n\t\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\t\tdelta += floor(delta / numPoints);\n\t\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\t\tdelta = floor(delta / baseMinusTMin);\n\t\t}\n\t\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n\t}\n\n\t/**\n\t * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n\t * symbols.\n\t * @memberOf punycode\n\t * @param {String} input The Punycode string of ASCII-only symbols.\n\t * @returns {String} The resulting string of Unicode symbols.\n\t */\n\tfunction decode(input) {\n\t\t// Don't use UCS-2\n\t\tvar output = [],\n\t\t    inputLength = input.length,\n\t\t    out,\n\t\t    i = 0,\n\t\t    n = initialN,\n\t\t    bias = initialBias,\n\t\t    basic,\n\t\t    j,\n\t\t    index,\n\t\t    oldi,\n\t\t    w,\n\t\t    k,\n\t\t    digit,\n\t\t    t,\n\t\t    /** Cached calculation results */\n\t\t    baseMinusT;\n\n\t\t// Handle the basic code points: let `basic` be the number of input code\n\t\t// points before the last delimiter, or `0` if there is none, then copy\n\t\t// the first basic code points to the output.\n\n\t\tbasic = input.lastIndexOf(delimiter);\n\t\tif (basic < 0) {\n\t\t\tbasic = 0;\n\t\t}\n\n\t\tfor (j = 0; j < basic; ++j) {\n\t\t\t// if it's not a basic code point\n\t\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\t\terror('not-basic');\n\t\t\t}\n\t\t\toutput.push(input.charCodeAt(j));\n\t\t}\n\n\t\t// Main decoding loop: start just after the last delimiter if any basic code\n\t\t// points were copied; start at the beginning otherwise.\n\n\t\tfor (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t\t// `index` is the index of the next character to be consumed.\n\t\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t\t// which gets added to `i`. The overflow checking is easier\n\t\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t\t// value at the end to obtain `delta`.\n\t\t\tfor (oldi = i, w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\t\tif (index >= inputLength) {\n\t\t\t\t\terror('invalid-input');\n\t\t\t\t}\n\n\t\t\t\tdigit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\ti += digit * w;\n\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\t\tif (digit < t) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tbaseMinusT = base - t;\n\t\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tw *= baseMinusT;\n\n\t\t\t}\n\n\t\t\tout = output.length + 1;\n\t\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t\t// incrementing `n` each time, so we'll fix that now:\n\t\t\tif (floor(i / out) > maxInt - n) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tn += floor(i / out);\n\t\t\ti %= out;\n\n\t\t\t// Insert `n` at position `i` of the output\n\t\t\toutput.splice(i++, 0, n);\n\n\t\t}\n\n\t\treturn ucs2encode(output);\n\t}\n\n\t/**\n\t * Converts a string of Unicode symbols (e.g. a domain name label) to a\n\t * Punycode string of ASCII-only symbols.\n\t * @memberOf punycode\n\t * @param {String} input The string of Unicode symbols.\n\t * @returns {String} The resulting Punycode string of ASCII-only symbols.\n\t */\n\tfunction encode(input) {\n\t\tvar n,\n\t\t    delta,\n\t\t    handledCPCount,\n\t\t    basicLength,\n\t\t    bias,\n\t\t    j,\n\t\t    m,\n\t\t    q,\n\t\t    k,\n\t\t    t,\n\t\t    currentValue,\n\t\t    output = [],\n\t\t    /** `inputLength` will hold the number of code points in `input`. */\n\t\t    inputLength,\n\t\t    /** Cached calculation results */\n\t\t    handledCPCountPlusOne,\n\t\t    baseMinusT,\n\t\t    qMinusT;\n\n\t\t// Convert the input in UCS-2 to Unicode\n\t\tinput = ucs2decode(input);\n\n\t\t// Cache the length\n\t\tinputLength = input.length;\n\n\t\t// Initialize the state\n\t\tn = initialN;\n\t\tdelta = 0;\n\t\tbias = initialBias;\n\n\t\t// Handle the basic code points\n\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\tcurrentValue = input[j];\n\t\t\tif (currentValue < 0x80) {\n\t\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t\t}\n\t\t}\n\n\t\thandledCPCount = basicLength = output.length;\n\n\t\t// `handledCPCount` is the number of code points that have been handled;\n\t\t// `basicLength` is the number of basic code points.\n\n\t\t// Finish the basic string - if it is not empty - with a delimiter\n\t\tif (basicLength) {\n\t\t\toutput.push(delimiter);\n\t\t}\n\n\t\t// Main encoding loop:\n\t\twhile (handledCPCount < inputLength) {\n\n\t\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t\t// larger one:\n\t\t\tfor (m = maxInt, j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\t\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\t\tm = currentValue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,\n\t\t\t// but guard against overflow\n\t\t\thandledCPCountPlusOne = handledCPCount + 1;\n\t\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\t\tn = m;\n\n\t\t\tfor (j = 0; j < inputLength; ++j) {\n\t\t\t\tcurrentValue = input[j];\n\n\t\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\t\terror('overflow');\n\t\t\t\t}\n\n\t\t\t\tif (currentValue == n) {\n\t\t\t\t\t// Represent delta as a generalized variable-length integer\n\t\t\t\t\tfor (q = delta, k = base; /* no condition */; k += base) {\n\t\t\t\t\t\tt = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tqMinusT = q - t;\n\t\t\t\t\t\tbaseMinusT = base - t;\n\t\t\t\t\t\toutput.push(\n\t\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t\t);\n\t\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t\t}\n\n\t\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\t\tdelta = 0;\n\t\t\t\t\t++handledCPCount;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t++delta;\n\t\t\t++n;\n\n\t\t}\n\t\treturn output.join('');\n\t}\n\n\t/**\n\t * Converts a Punycode string representing a domain name or an email address\n\t * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n\t * it doesn't matter if you call it on a string that has already been\n\t * converted to Unicode.\n\t * @memberOf punycode\n\t * @param {String} input The Punycoded domain name or email address to\n\t * convert to Unicode.\n\t * @returns {String} The Unicode representation of the given Punycode\n\t * string.\n\t */\n\tfunction toUnicode(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexPunycode.test(string)\n\t\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/**\n\t * Converts a Unicode string representing a domain name or an email address to\n\t * Punycode. Only the non-ASCII parts of the domain name will be converted,\n\t * i.e. it doesn't matter if you call it with a domain that's already in\n\t * ASCII.\n\t * @memberOf punycode\n\t * @param {String} input The domain name or email address to convert, as a\n\t * Unicode string.\n\t * @returns {String} The Punycode representation of the given domain name or\n\t * email address.\n\t */\n\tfunction toASCII(input) {\n\t\treturn mapDomain(input, function(string) {\n\t\t\treturn regexNonASCII.test(string)\n\t\t\t\t? 'xn--' + encode(string)\n\t\t\t\t: string;\n\t\t});\n\t}\n\n\t/*--------------------------------------------------------------------------*/\n\n\t/** Define the public API */\n\tpunycode = {\n\t\t/**\n\t\t * A string representing the current Punycode.js version number.\n\t\t * @memberOf punycode\n\t\t * @type String\n\t\t */\n\t\t'version': '1.4.1',\n\t\t/**\n\t\t * An object of methods to convert from JavaScript's internal character\n\t\t * representation (UCS-2) to Unicode code points, and back.\n\t\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t\t * @memberOf punycode\n\t\t * @type Object\n\t\t */\n\t\t'ucs2': {\n\t\t\t'decode': ucs2decode,\n\t\t\t'encode': ucs2encode\n\t\t},\n\t\t'decode': decode,\n\t\t'encode': encode,\n\t\t'toASCII': toASCII,\n\t\t'toUnicode': toUnicode\n\t};\n\n\t/** Expose `punycode` */\n\t// Some AMD build optimizers, like r.js, check for specific condition patterns\n\t// like the following:\n\tif (\n\t\ttypeof define == 'function' &&\n\t\ttypeof define.amd == 'object' &&\n\t\tdefine.amd\n\t) {\n\t\tdefine('punycode', function() {\n\t\t\treturn punycode;\n\t\t});\n\t} else if (freeExports && freeModule) {\n\t\tif (module.exports == freeExports) {\n\t\t\t// in Node.js, io.js, or RingoJS v0.8.0+\n\t\t\tfreeModule.exports = punycode;\n\t\t} else {\n\t\t\t// in Narwhal or RingoJS v0.7.0-\n\t\t\tfor (key in punycode) {\n\t\t\t\tpunycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);\n\t\t\t}\n\t\t}\n\t} else {\n\t\t// in Rhino or a web browser\n\t\troot.punycode = punycode;\n\t}\n\n}(this));\n","module.exports = compile;\n\nvar BaseFuncs = require(\"boolbase\"),\n    trueFunc  = BaseFuncs.trueFunc,\n    falseFunc = BaseFuncs.falseFunc;\n\n/*\n\treturns a function that checks if an elements index matches the given rule\n\thighly optimized to return the fastest solution\n*/\nfunction compile(parsed){\n\tvar a = parsed[0],\n\t    b = parsed[1] - 1;\n\n\t//when b <= 0, a*n won't be possible for any matches when a < 0\n\t//besides, the specification says that no element is matched when a and b are 0\n\tif(b < 0 && a <= 0) return falseFunc;\n\n\t//when a is in the range -1..1, it matches any element (so only b is checked)\n\tif(a ===-1) return function(pos){ return pos <= b; };\n\tif(a === 0) return function(pos){ return pos === b; };\n\t//when b <= 0 and a === 1, they match any element\n\tif(a === 1) return b < 0 ? trueFunc : function(pos){ return pos >= b; };\n\n\t//when a > 0, modulo can be used to check if there is a match\n\tvar bMod = b % a;\n\tif(bMod < 0) bMod += a;\n\n\tif(a > 1){\n\t\treturn function(pos){\n\t\t\treturn pos >= b && pos % a === bMod;\n\t\t};\n\t}\n\n\ta *= -1; //make `a` positive\n\n\treturn function(pos){\n\t\treturn pos <= b && pos % a === bMod;\n\t};\n}","var ElementType = require(\"domelementtype\");\n\nvar re_whitespace = /\\s+/g;\nvar NodePrototype = require(\"./lib/node\");\nvar ElementPrototype = require(\"./lib/element\");\n\nfunction DomHandler(callback, options, elementCB){\n\tif(typeof callback === \"object\"){\n\t\telementCB = options;\n\t\toptions = callback;\n\t\tcallback = null;\n\t} else if(typeof options === \"function\"){\n\t\telementCB = options;\n\t\toptions = defaultOpts;\n\t}\n\tthis._callback = callback;\n\tthis._options = options || defaultOpts;\n\tthis._elementCB = elementCB;\n\tthis.dom = [];\n\tthis._done = false;\n\tthis._tagStack = [];\n\tthis._parser = this._parser || null;\n}\n\n//default options\nvar defaultOpts = {\n\tnormalizeWhitespace: false, //Replace all whitespace with single spaces\n\twithStartIndices: false, //Add startIndex properties to nodes\n\twithEndIndices: false, //Add endIndex properties to nodes\n};\n\nDomHandler.prototype.onparserinit = function(parser){\n\tthis._parser = parser;\n};\n\n//Resets the handler back to starting state\nDomHandler.prototype.onreset = function(){\n\tDomHandler.call(this, this._callback, this._options, this._elementCB);\n};\n\n//Signals the handler that parsing is done\nDomHandler.prototype.onend = function(){\n\tif(this._done) return;\n\tthis._done = true;\n\tthis._parser = null;\n\tthis._handleCallback(null);\n};\n\nDomHandler.prototype._handleCallback =\nDomHandler.prototype.onerror = function(error){\n\tif(typeof this._callback === \"function\"){\n\t\tthis._callback(error, this.dom);\n\t} else {\n\t\tif(error) throw error;\n\t}\n};\n\nDomHandler.prototype.onclosetag = function(){\n\t//if(this._tagStack.pop().name !== name) this._handleCallback(Error(\"Tagname didn't match!\"));\n\t\n\tvar elem = this._tagStack.pop();\n\n\tif(this._options.withEndIndices && elem){\n\t\telem.endIndex = this._parser.endIndex;\n\t}\n\n\tif(this._elementCB) this._elementCB(elem);\n};\n\nDomHandler.prototype._createDomElement = function(properties){\n\tif (!this._options.withDomLvl1) return properties;\n\n\tvar element;\n\tif (properties.type === \"tag\") {\n\t\telement = Object.create(ElementPrototype);\n\t} else {\n\t\telement = Object.create(NodePrototype);\n\t}\n\n\tfor (var key in properties) {\n\t\tif (properties.hasOwnProperty(key)) {\n\t\t\telement[key] = properties[key];\n\t\t}\n\t}\n\n\treturn element;\n};\n\nDomHandler.prototype._addDomElement = function(element){\n\tvar parent = this._tagStack[this._tagStack.length - 1];\n\tvar siblings = parent ? parent.children : this.dom;\n\tvar previousSibling = siblings[siblings.length - 1];\n\n\telement.next = null;\n\n\tif(this._options.withStartIndices){\n\t\telement.startIndex = this._parser.startIndex;\n\t}\n\tif(this._options.withEndIndices){\n\t\telement.endIndex = this._parser.endIndex;\n\t}\n\n\tif(previousSibling){\n\t\telement.prev = previousSibling;\n\t\tpreviousSibling.next = element;\n\t} else {\n\t\telement.prev = null;\n\t}\n\n\tsiblings.push(element);\n\telement.parent = parent || null;\n};\n\nDomHandler.prototype.onopentag = function(name, attribs){\n\tvar properties = {\n\t\ttype: name === \"script\" ? ElementType.Script : name === \"style\" ? ElementType.Style : ElementType.Tag,\n\t\tname: name,\n\t\tattribs: attribs,\n\t\tchildren: []\n\t};\n\n\tvar element = this._createDomElement(properties);\n\n\tthis._addDomElement(element);\n\n\tthis._tagStack.push(element);\n};\n\nDomHandler.prototype.ontext = function(data){\n\t//the ignoreWhitespace is officially dropped, but for now,\n\t//it's an alias for normalizeWhitespace\n\tvar normalize = this._options.normalizeWhitespace || this._options.ignoreWhitespace;\n\n\tvar lastTag;\n\n\tif(!this._tagStack.length && this.dom.length && (lastTag = this.dom[this.dom.length-1]).type === ElementType.Text){\n\t\tif(normalize){\n\t\t\tlastTag.data = (lastTag.data + data).replace(re_whitespace, \" \");\n\t\t} else {\n\t\t\tlastTag.data += data;\n\t\t}\n\t} else {\n\t\tif(\n\t\t\tthis._tagStack.length &&\n\t\t\t(lastTag = this._tagStack[this._tagStack.length - 1]) &&\n\t\t\t(lastTag = lastTag.children[lastTag.children.length - 1]) &&\n\t\t\tlastTag.type === ElementType.Text\n\t\t){\n\t\t\tif(normalize){\n\t\t\t\tlastTag.data = (lastTag.data + data).replace(re_whitespace, \" \");\n\t\t\t} else {\n\t\t\t\tlastTag.data += data;\n\t\t\t}\n\t\t} else {\n\t\t\tif(normalize){\n\t\t\t\tdata = data.replace(re_whitespace, \" \");\n\t\t\t}\n\n\t\t\tvar element = this._createDomElement({\n\t\t\t\tdata: data,\n\t\t\t\ttype: ElementType.Text\n\t\t\t});\n\n\t\t\tthis._addDomElement(element);\n\t\t}\n\t}\n};\n\nDomHandler.prototype.oncomment = function(data){\n\tvar lastTag = this._tagStack[this._tagStack.length - 1];\n\n\tif(lastTag && lastTag.type === ElementType.Comment){\n\t\tlastTag.data += data;\n\t\treturn;\n\t}\n\n\tvar properties = {\n\t\tdata: data,\n\t\ttype: ElementType.Comment\n\t};\n\n\tvar element = this._createDomElement(properties);\n\n\tthis._addDomElement(element);\n\tthis._tagStack.push(element);\n};\n\nDomHandler.prototype.oncdatastart = function(){\n\tvar properties = {\n\t\tchildren: [{\n\t\t\tdata: \"\",\n\t\t\ttype: ElementType.Text\n\t\t}],\n\t\ttype: ElementType.CDATA\n\t};\n\n\tvar element = this._createDomElement(properties);\n\n\tthis._addDomElement(element);\n\tthis._tagStack.push(element);\n};\n\nDomHandler.prototype.oncommentend = DomHandler.prototype.oncdataend = function(){\n\tthis._tagStack.pop();\n};\n\nDomHandler.prototype.onprocessinginstruction = function(name, data){\n\tvar element = this._createDomElement({\n\t\tname: name,\n\t\tdata: data,\n\t\ttype: ElementType.Directive\n\t});\n\n\tthis._addDomElement(element);\n};\n\nmodule.exports = DomHandler;\n","/*\n  Module Dependencies\n*/\nvar htmlparser = require('htmlparser2-without-node-native');\n\n/*\n  Parser\n*/\nexports = module.exports = function(content, options) {\n  var dom = exports.evaluate(content, options),\n      // Generic root element\n      root = exports.evaluate('<root></root>', options)[0];\n\n  root.type = 'root';\n\n  // Update the dom using the root\n  exports.update(dom, root);\n\n  return root;\n};\n\nexports.evaluate = function(content, options) {\n  // options = options || $.fn.options;\n\n  var dom;\n\n  if (typeof content === 'string') {\n    dom = htmlparser.parseDOM(content, options);\n  } else {\n    dom = content;\n  }\n\n  return dom;\n};\n\n/*\n  Update the dom structure, for one changed layer\n*/\nexports.update = function(arr, parent) {\n  // normalize\n  if (!Array.isArray(arr)) arr = [arr];\n\n  // Update parent\n  if (parent) {\n    parent.children = arr;\n  } else {\n    parent = null;\n  }\n\n  // Update neighbors\n  for (var i = 0; i < arr.length; i++) {\n    var node = arr[i];\n\n    // Cleanly remove existing nodes from their previous structures.\n    var oldParent = node.parent || node.root,\n        oldSiblings = oldParent && oldParent.children;\n    if (oldSiblings && oldSiblings !== arr) {\n      oldSiblings.splice(oldSiblings.indexOf(node), 1);\n      if (node.prev) {\n        node.prev.next = node.next;\n      }\n      if (node.next) {\n        node.next.prev = node.prev;\n      }\n    }\n\n    if (parent) {\n      node.prev = arr[i - 1] || null;\n      node.next = arr[i + 1] || null;\n    } else {\n      node.prev = node.next = null;\n    }\n\n    if (parent && parent.type === 'root') {\n      node.root = parent;\n      node.parent = null;\n    } else {\n      node.root = null;\n      node.parent = parent;\n    }\n  }\n\n  return parent;\n};\n\n// module.exports = $.extend(exports);\n","var getChildren = exports.getChildren = function(elem){\n\treturn elem.children;\n};\n\nvar getParent = exports.getParent = function(elem){\n\treturn elem.parent;\n};\n\nexports.getSiblings = function(elem){\n\tvar parent = getParent(elem);\n\treturn parent ? getChildren(parent) : [elem];\n};\n\nexports.getAttributeValue = function(elem, name){\n\treturn elem.attribs && elem.attribs[name];\n};\n\nexports.hasAttrib = function(elem, name){\n\treturn !!elem.attribs && hasOwnProperty.call(elem.attribs, name);\n};\n\nexports.getName = function(elem){\n\treturn elem.name;\n};\n","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar decode_json_1 = __importDefault(require(\"./maps/decode.json\"));\n// Adapted from https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119\nvar fromCodePoint = \n// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\nString.fromCodePoint ||\n    function (codePoint) {\n        var output = \"\";\n        if (codePoint > 0xffff) {\n            codePoint -= 0x10000;\n            output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);\n            codePoint = 0xdc00 | (codePoint & 0x3ff);\n        }\n        output += String.fromCharCode(codePoint);\n        return output;\n    };\nfunction decodeCodePoint(codePoint) {\n    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {\n        return \"\\uFFFD\";\n    }\n    if (codePoint in decode_json_1.default) {\n        codePoint = decode_json_1.default[codePoint];\n    }\n    return fromCodePoint(codePoint);\n}\nexports.default = decodeCodePoint;\n","// DOM-Level-1-compliant structure\nvar NodePrototype = require('./node');\nvar ElementPrototype = module.exports = Object.create(NodePrototype);\n\nvar domLvl1 = {\n\ttagName: \"name\"\n};\n\nObject.keys(domLvl1).forEach(function(key) {\n\tvar shorthand = domLvl1[key];\n\tObject.defineProperty(ElementPrototype, key, {\n\t\tget: function() {\n\t\t\treturn this[shorthand] || null;\n\t\t},\n\t\tset: function(val) {\n\t\t\tthis[shorthand] = val;\n\t\t\treturn val;\n\t\t}\n\t});\n});\n","/*\n\tcompiles a selector to an executable function\n*/\n\nmodule.exports = compile;\nmodule.exports.compileUnsafe = compileUnsafe;\nmodule.exports.compileToken = compileToken;\n\nvar parse       = require(\"css-what\"),\n    DomUtils    = require(\"domutils\"),\n    isTag       = DomUtils.isTag,\n    Rules       = require(\"./general.js\"),\n    sortRules   = require(\"./sort.js\"),\n    BaseFuncs   = require(\"boolbase\"),\n    trueFunc    = BaseFuncs.trueFunc,\n    falseFunc   = BaseFuncs.falseFunc,\n    procedure   = require(\"./procedure.json\");\n\nfunction compile(selector, options, context){\n\tvar next = compileUnsafe(selector, options, context);\n\treturn wrap(next);\n}\n\nfunction wrap(next){\n\treturn function base(elem){\n\t\treturn isTag(elem) && next(elem);\n\t};\n}\n\nfunction compileUnsafe(selector, options, context){\n\tvar token = parse(selector, options);\n\treturn compileToken(token, options, context);\n}\n\nfunction includesScopePseudo(t){\n    return t.type === \"pseudo\" && (\n        t.name === \"scope\" || (\n            Array.isArray(t.data) &&\n            t.data.some(function(data){\n                return data.some(includesScopePseudo);\n            })\n        )\n    );\n}\n\nvar DESCENDANT_TOKEN = {type: \"descendant\"},\n    SCOPE_TOKEN = {type: \"pseudo\", name: \"scope\"},\n    PLACEHOLDER_ELEMENT = {},\n    getParent = DomUtils.getParent;\n\n//CSS 4 Spec (Draft): 3.3.1. Absolutizing a Scope-relative Selector\n//http://www.w3.org/TR/selectors4/#absolutizing\nfunction absolutize(token, context){\n    //TODO better check if context is document\n    var hasContext = !!context && !!context.length && context.every(function(e){\n        return e === PLACEHOLDER_ELEMENT || !!getParent(e);\n    });\n\n\n    token.forEach(function(t){\n        if(t.length > 0 && isTraversal(t[0]) && t[0].type !== \"descendant\"){\n            //don't return in else branch\n        } else if(hasContext && !includesScopePseudo(t)){\n            t.unshift(DESCENDANT_TOKEN);\n        } else {\n            return;\n        }\n\n        t.unshift(SCOPE_TOKEN);\n    });\n}\n\nfunction compileToken(token, options, context){\n    token = token.filter(function(t){ return t.length > 0; });\n\n\ttoken.forEach(sortRules);\n\n\tvar isArrayContext = Array.isArray(context);\n\n    context = (options && options.context) || context;\n\n    if(context && !isArrayContext) context = [context];\n\n    absolutize(token, context);\n\n\treturn token\n\t\t.map(function(rules){ return compileRules(rules, options, context, isArrayContext); })\n\t\t.reduce(reduceRules, falseFunc);\n}\n\nfunction isTraversal(t){\n\treturn procedure[t.type] < 0;\n}\n\nfunction compileRules(rules, options, context, isArrayContext){\n\tvar acceptSelf = (isArrayContext && rules[0].name === \"scope\" && rules[1].type === \"descendant\");\n\treturn rules.reduce(function(func, rule, index){\n\t\tif(func === falseFunc) return func;\n\t\treturn Rules[rule.type](func, rule, options, context, acceptSelf && index === 1);\n\t}, options && options.rootFunc || trueFunc);\n}\n\nfunction reduceRules(a, b){\n\tif(b === falseFunc || a === trueFunc){\n\t\treturn a;\n\t}\n\tif(a === falseFunc || b === trueFunc){\n\t\treturn b;\n\t}\n\n\treturn function combine(elem){\n\t\treturn a(elem) || b(elem);\n\t};\n}\n\n//:not, :has and :matches have to compile selectors\n//doing this in lib/pseudos.js would lead to circular dependencies,\n//so we add them here\n\nvar Pseudos     = require(\"./pseudos.js\"),\n    filters     = Pseudos.filters,\n    existsOne   = DomUtils.existsOne,\n    isTag       = DomUtils.isTag,\n    getChildren = DomUtils.getChildren;\n\n\nfunction containsTraversal(t){\n\treturn t.some(isTraversal);\n}\n\nfilters.not = function(next, token, options, context){\n\tvar opts = {\n\t    \txmlMode: !!(options && options.xmlMode),\n\t    \tstrict: !!(options && options.strict)\n\t    };\n\n\tif(opts.strict){\n\t\tif(token.length > 1 || token.some(containsTraversal)){\n\t\t\tthrow new SyntaxError(\"complex selectors in :not aren't allowed in strict mode\");\n\t\t}\n\t}\n\n    var func = compileToken(token, opts, context);\n\n\tif(func === falseFunc) return next;\n\tif(func === trueFunc)  return falseFunc;\n\n\treturn function(elem){\n\t\treturn !func(elem) && next(elem);\n\t};\n};\n\nfilters.has = function(next, token, options){\n\tvar opts = {\n\t\txmlMode: !!(options && options.xmlMode),\n\t\tstrict: !!(options && options.strict)\n\t};\n\n    //FIXME: Uses an array as a pointer to the current element (side effects)\n    var context = token.some(containsTraversal) ? [PLACEHOLDER_ELEMENT] : null;\n\n\tvar func = compileToken(token, opts, context);\n\n\tif(func === falseFunc) return falseFunc;\n\tif(func === trueFunc)  return function(elem){\n\t\t\treturn getChildren(elem).some(isTag) && next(elem);\n\t\t};\n\n\tfunc = wrap(func);\n\n    if(context){\n        return function has(elem){\n\t\treturn next(elem) && (\n                (context[0] = elem), existsOne(func, getChildren(elem))\n            );\n\t};\n    }\n\n    return function has(elem){\n\t\treturn next(elem) && existsOne(func, getChildren(elem));\n\t};\n};\n\nfilters.matches = function(next, token, options, context){\n\tvar opts = {\n\t\txmlMode: !!(options && options.xmlMode),\n\t\tstrict: !!(options && options.strict),\n\t\trootFunc: next\n\t};\n\n\treturn compileToken(token, opts, context);\n};\n","'use strict';\n\nmodule.exports = {\n  isString: function(arg) {\n    return typeof(arg) === 'string';\n  },\n  isObject: function(arg) {\n    return typeof(arg) === 'object' && arg !== null;\n  },\n  isNull: function(arg) {\n    return arg === null;\n  },\n  isNullOrUndefined: function(arg) {\n    return arg == null;\n  }\n};\n","var getChildren = exports.getChildren = function(elem){\n\treturn elem.children;\n};\n\nvar getParent = exports.getParent = function(elem){\n\treturn elem.parent;\n};\n\nexports.getSiblings = function(elem){\n\tvar parent = getParent(elem);\n\treturn parent ? getChildren(parent) : [elem];\n};\n\nexports.getAttributeValue = function(elem, name){\n\treturn elem.attribs && elem.attribs[name];\n};\n\nexports.hasAttrib = function(elem, name){\n\treturn !!elem.attribs && hasOwnProperty.call(elem.attribs, name);\n};\n\nexports.getName = function(elem){\n\treturn elem.name;\n};\n","if (typeof Object.create === 'function') {\n  // implementation from standard node.js 'util' module\n  module.exports = function inherits(ctor, superCtor) {\n    if (superCtor) {\n      ctor.super_ = superCtor\n      ctor.prototype = Object.create(superCtor.prototype, {\n        constructor: {\n          value: ctor,\n          enumerable: false,\n          writable: true,\n          configurable: true\n        }\n      })\n    }\n  };\n} else {\n  // old school shim for old browsers\n  module.exports = function inherits(ctor, superCtor) {\n    if (superCtor) {\n      ctor.super_ = superCtor\n      var TempCtor = function () {}\n      TempCtor.prototype = superCtor.prototype\n      ctor.prototype = new TempCtor()\n      ctor.prototype.constructor = ctor\n    }\n  }\n}\n","var parse = require(\"./parse.js\"),\n    compile = require(\"./compile.js\");\n\nmodule.exports = function nthCheck(formula){\n\treturn compile(parse(formula));\n};\n\nmodule.exports.parse = parse;\nmodule.exports.compile = compile;","module.exports = CollectingHandler;\n\nfunction CollectingHandler(cbs){\n\tthis._cbs = cbs || {};\n\tthis.events = [];\n}\n\nvar EVENTS = require(\"./\").EVENTS;\nObject.keys(EVENTS).forEach(function(name){\n\tif(EVENTS[name] === 0){\n\t\tname = \"on\" + name;\n\t\tCollectingHandler.prototype[name] = function(){\n\t\t\tthis.events.push([name]);\n\t\t\tif(this._cbs[name]) this._cbs[name]();\n\t\t};\n\t} else if(EVENTS[name] === 1){\n\t\tname = \"on\" + name;\n\t\tCollectingHandler.prototype[name] = function(a){\n\t\t\tthis.events.push([name, a]);\n\t\t\tif(this._cbs[name]) this._cbs[name](a);\n\t\t};\n\t} else if(EVENTS[name] === 2){\n\t\tname = \"on\" + name;\n\t\tCollectingHandler.prototype[name] = function(a, b){\n\t\t\tthis.events.push([name, a, b]);\n\t\t\tif(this._cbs[name]) this._cbs[name](a, b);\n\t\t};\n\t} else {\n\t\tthrow Error(\"wrong number of arguments\");\n\t}\n});\n\nCollectingHandler.prototype.onreset = function(){\n\tthis.events = [];\n\tif(this._cbs.onreset) this._cbs.onreset();\n};\n\nCollectingHandler.prototype.restart = function(){\n\tif(this._cbs.onreset) this._cbs.onreset();\n\n\tfor(var i = 0, len = this.events.length; i < len; i++){\n\t\tif(this._cbs[this.events[i][0]]){\n\n\t\t\tvar num = this.events[i].length;\n\n\t\t\tif(num === 1){\n\t\t\t\tthis._cbs[this.events[i][0]]();\n\t\t\t} else if(num === 2){\n\t\t\t\tthis._cbs[this.events[i][0]](this.events[i][1]);\n\t\t\t} else {\n\t\t\t\tthis._cbs[this.events[i][0]](this.events[i][1], this.events[i][2]);\n\t\t\t}\n\t\t}\n\t}\n};\n","//Types of elements found in the DOM\nmodule.exports = {\n\tText: \"text\", //Text\n\tDirective: \"directive\", //<? ... ?>\n\tComment: \"comment\", //<!-- ... -->\n\tScript: \"script\", //<script> tags\n\tStyle: \"style\", //<style> tags\n\tTag: \"tag\", //Any tag\n\tCDATA: \"cdata\", //<![CDATA[ ... ]]>\n\tDoctype: \"doctype\",\n\n\tisTag: function(elem){\n\t\treturn elem.type === \"tag\" || elem.type === \"script\" || elem.type === \"style\";\n\t}\n};\n","/**\n * Module dependencies\n */\n\nvar select = require('css-select'),\n    parse = require('./parse'),\n    serialize = require('dom-serializer'),\n    _ = require('lodash');\n\n/**\n * $.load(str)\n */\n\nexports.load = function(content, options) {\n  var Cheerio = require('./cheerio');\n\n  options = _.defaults(options || {}, Cheerio.prototype.options);\n\n  var root = parse(content, options);\n\n  var initialize = function(selector, context, r, opts) {\n    if (!(this instanceof initialize)) {\n      return new initialize(selector, context, r, opts);\n    }\n    opts = _.defaults(opts || {}, options);\n    return Cheerio.call(this, selector, context, r || root, opts);\n  };\n\n  // Ensure that selections created by the \"loaded\" `initialize` function are\n  // true Cheerio instances.\n  initialize.prototype = Object.create(Cheerio.prototype);\n  initialize.prototype.constructor = initialize;\n\n  // Mimic jQuery's prototype alias for plugin authors.\n  initialize.fn = initialize.prototype;\n\n  // Keep a reference to the top-level scope so we can chain methods that implicitly \n  // resolve selectors; e.g. $(\"<span>\").(\".bar\"), which otherwise loses ._root\n  initialize.prototype._originalRoot = root;\n\n  // Add in the static methods\n  _.merge(initialize, exports);\n\n  // Add in the root\n  initialize._root = root;\n  // store options\n  initialize._options = options;\n\n  return initialize;\n};\n\n/*\n* Helper function\n*/\n\nfunction render(that, dom, options) {\n  if (!dom) {\n    if (that._root && that._root.children) {\n      dom = that._root.children;\n    } else {\n      return '';\n    }\n  } else if (typeof dom === 'string') {\n    dom = select(dom, that._root, options);\n  }\n\n  return serialize(dom, options);\n}\n\n/**\n * $.html([selector | dom], [options])\n */\n\nexports.html = function(dom, options) {\n  var Cheerio = require('./cheerio');\n\n  // be flexible about parameters, sometimes we call html(),\n  // with options as only parameter\n  // check dom argument for dom element specific properties\n  // assume there is no 'length' or 'type' properties in the options object\n  if (Object.prototype.toString.call(dom) === '[object Object]' && !options && !('length' in dom) && !('type' in dom))\n  {\n    options = dom;\n    dom = undefined;\n  }\n\n  // sometimes $.html() used without preloading html\n  // so fallback non existing options to the default ones\n  options = _.defaults(options || {}, this._options, Cheerio.prototype.options);\n\n  return render(this, dom, options);\n};\n\n/**\n * $.xml([selector | dom])\n */\n\nexports.xml = function(dom) {\n  var options = _.defaults({xmlMode: true}, this._options);\n\n  return render(this, dom, options);\n};\n\n/**\n * $.text(dom)\n */\n\nexports.text = function(elems) {\n  if (!elems) return '';\n\n  var ret = '',\n      len = elems.length,\n      elem;\n\n  for (var i = 0; i < len; i++) {\n    elem = elems[i];\n    if (elem.type === 'text') ret += elem.data;\n    else if (elem.children && elem.type !== 'comment') {\n      ret += exports.text(elem.children);\n    }\n  }\n\n  return ret;\n};\n\n/**\n * $.parseHTML(data [, context ] [, keepScripts ])\n * Parses a string into an array of DOM nodes. The `context` argument has no\n * meaning for Cheerio, but it is maintained for API compatibility with jQuery.\n */\nexports.parseHTML = function(data, context, keepScripts) {\n  var parsed;\n\n  if (!data || typeof data !== 'string') {\n    return null;\n  }\n\n  if (typeof context === 'boolean') {\n    keepScripts = context;\n  }\n\n  parsed = this.load(data);\n  if (!keepScripts) {\n    parsed('script').remove();\n  }\n\n  // The `children` array is used by Cheerio internally to group elements that\n  // share the same parents. When nodes created through `parseHTML` are\n  // inserted into previously-existing DOM structures, they will be removed\n  // from the `children` array. The results of `parseHTML` should remain\n  // constant across these operations, so a shallow copy should be returned.\n  return parsed.root()[0].children.slice();\n};\n\n/**\n * $.root()\n */\nexports.root = function() {\n  return this(this._root);\n};\n\n/**\n * $.contains()\n */\nexports.contains = function(container, contained) {\n\n  // According to the jQuery API, an element does not \"contain\" itself\n  if (contained === container) {\n    return false;\n  }\n\n  // Step up the descendants, stopping when the root element is reached\n  // (signaled by `.parent` returning a reference to the same object)\n  while (contained && contained !== contained.parent) {\n    contained = contained.parent;\n    if (contained === container) {\n      return true;\n    }\n  }\n\n  return false;\n};\n","module.exports = sortByProcedure;\n\n/*\n\tsort the parts of the passed selector,\n\tas there is potential for optimization\n\t(some types of selectors are faster than others)\n*/\n\nvar procedure = require(\"./procedure.json\");\n\nvar attributes = {\n\t__proto__: null,\n\texists: 10,\n\tequals: 8,\n\tnot: 7,\n\tstart: 6,\n\tend: 6,\n\tany: 5,\n\thyphen: 4,\n\telement: 4\n};\n\nfunction sortByProcedure(arr){\n\tvar procs = arr.map(getProcedure);\n\tfor(var i = 1; i < arr.length; i++){\n\t\tvar procNew = procs[i];\n\n\t\tif(procNew < 0) continue;\n\n\t\tfor(var j = i - 1; j >= 0 && procNew < procs[j]; j--){\n\t\t\tvar token = arr[j + 1];\n\t\t\tarr[j + 1] = arr[j];\n\t\t\tarr[j] = token;\n\t\t\tprocs[j + 1] = procs[j];\n\t\t\tprocs[j] = procNew;\n\t\t}\n\t}\n}\n\nfunction getProcedure(token){\n\tvar proc = procedure[token.type];\n\n\tif(proc === procedure.attribute){\n\t\tproc = attributes[token.action];\n\n\t\tif(proc === attributes.equals && token.name === \"id\"){\n\t\t\t//prefer ID selectors (eg. #ID)\n\t\t\tproc = 9;\n\t\t}\n\n\t\tif(token.ignoreCase){\n\t\t\t//ignoreCase adds some overhead, prefer \"normal\" token\n\t\t\t//this is a binary operation, to ensure it's still an int\n\t\t\tproc >>= 1;\n\t\t}\n\t} else if(proc === procedure.pseudo){\n\t\tif(!token.data){\n\t\t\tproc = 3;\n\t\t} else if(token.name === \"has\" || token.name === \"contains\"){\n\t\t\tproc = 0; //expensive in any case\n\t\t} else if(token.name === \"matches\" || token.name === \"not\"){\n\t\t\tproc = 0;\n\t\t\tfor(var i = 0; i < token.data.length; i++){\n\t\t\t\t//TODO better handling of complex selectors\n\t\t\t\tif(token.data[i].length !== 1) continue;\n\t\t\t\tvar cur = getProcedure(token.data[i][0]);\n\t\t\t\t//avoid executing :has or :contains\n\t\t\t\tif(cur === 0){\n\t\t\t\t\tproc = 0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif(cur > proc) proc = cur;\n\t\t\t}\n\t\t\tif(token.data.length > 1 && proc > 0) proc -= 1;\n\t\t} else {\n\t\t\tproc = 1;\n\t\t}\n\t}\n\treturn proc;\n}\n","// This object will be used as the prototype for Nodes when creating a\n// DOM-Level-1-compliant structure.\nvar NodePrototype = module.exports = {\n\tget firstChild() {\n\t\tvar children = this.children;\n\t\treturn children && children[0] || null;\n\t},\n\tget lastChild() {\n\t\tvar children = this.children;\n\t\treturn children && children[children.length - 1] || null;\n\t},\n\tget nodeType() {\n\t\treturn nodeTypes[this.type] || nodeTypes.element;\n\t}\n};\n\nvar domLvl1 = {\n\ttagName: \"name\",\n\tchildNodes: \"children\",\n\tparentNode: \"parent\",\n\tpreviousSibling: \"prev\",\n\tnextSibling: \"next\",\n\tnodeValue: \"data\"\n};\n\nvar nodeTypes = {\n\telement: 1,\n\ttext: 3,\n\tcdata: 4,\n\tcomment: 8\n};\n\nObject.keys(domLvl1).forEach(function(key) {\n\tvar shorthand = domLvl1[key];\n\tObject.defineProperty(NodePrototype, key, {\n\t\tget: function() {\n\t\t\treturn this[shorthand] || null;\n\t\t},\n\t\tset: function(val) {\n\t\t\tthis[shorthand] = val;\n\t\t\treturn val;\n\t\t}\n\t});\n});\n","var DomUtils  = require(\"domutils\"),\n    hasAttrib = DomUtils.hasAttrib,\n    getAttributeValue = DomUtils.getAttributeValue,\n    falseFunc = require(\"boolbase\").falseFunc;\n\n//https://github.com/slevithan/XRegExp/blob/master/src/xregexp.js#L469\nvar reChars = /[-[\\]{}()*+?.,\\\\^$|#\\s]/g;\n\n/*\n\tattribute selectors\n*/\n\nvar attributeRules = {\n\t__proto__: null,\n\tequals: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value;\n\n\t\tif(data.ignoreCase){\n\t\t\tvalue = value.toLowerCase();\n\n\t\t\treturn function equalsIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null && attr.toLowerCase() === value && next(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function equals(elem){\n\t\t\treturn getAttributeValue(elem, name) === value && next(elem);\n\t\t};\n\t},\n\thyphen: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value,\n\t\t    len = value.length;\n\n\t\tif(data.ignoreCase){\n\t\t\tvalue = value.toLowerCase();\n\n\t\t\treturn function hyphenIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null &&\n\t\t\t\t\t\t(attr.length === len || attr.charAt(len) === \"-\") &&\n\t\t\t\t\t\tattr.substr(0, len).toLowerCase() === value &&\n\t\t\t\t\t\tnext(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function hyphen(elem){\n\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\treturn attr != null &&\n\t\t\t\t\tattr.substr(0, len) === value &&\n\t\t\t\t\t(attr.length === len || attr.charAt(len) === \"-\") &&\n\t\t\t\t\tnext(elem);\n\t\t};\n\t},\n\telement: function(next, data){\n\t\tvar name = data.name,\n\t\t    value = data.value;\n\n\t\tif(/\\s/.test(value)){\n\t\t\treturn falseFunc;\n\t\t}\n\n\t\tvalue = value.replace(reChars, \"\\\\$&\");\n\n\t\tvar pattern = \"(?:^|\\\\s)\" + value + \"(?:$|\\\\s)\",\n\t\t    flags = data.ignoreCase ? \"i\" : \"\",\n\t\t    regex = new RegExp(pattern, flags);\n\n\t\treturn function element(elem){\n\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\treturn attr != null && regex.test(attr) && next(elem);\n\t\t};\n\t},\n\texists: function(next, data){\n\t\tvar name = data.name;\n\t\treturn function exists(elem){\n\t\t\treturn hasAttrib(elem, name) && next(elem);\n\t\t};\n\t},\n\tstart: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value,\n\t\t    len = value.length;\n\n\t\tif(len === 0){\n\t\t\treturn falseFunc;\n\t\t}\n\t\t\n\t\tif(data.ignoreCase){\n\t\t\tvalue = value.toLowerCase();\n\n\t\t\treturn function startIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null && attr.substr(0, len).toLowerCase() === value && next(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function start(elem){\n\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\treturn attr != null && attr.substr(0, len) === value && next(elem);\n\t\t};\n\t},\n\tend: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value,\n\t\t    len   = -value.length;\n\n\t\tif(len === 0){\n\t\t\treturn falseFunc;\n\t\t}\n\n\t\tif(data.ignoreCase){\n\t\t\tvalue = value.toLowerCase();\n\n\t\t\treturn function endIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null && attr.substr(len).toLowerCase() === value && next(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function end(elem){\n\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\treturn attr != null && attr.substr(len) === value && next(elem);\n\t\t};\n\t},\n\tany: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value;\n\n\t\tif(value === \"\"){\n\t\t\treturn falseFunc;\n\t\t}\n\n\t\tif(data.ignoreCase){\n\t\t\tvar regex = new RegExp(value.replace(reChars, \"\\\\$&\"), \"i\");\n\n\t\t\treturn function anyIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null && regex.test(attr) && next(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function any(elem){\n\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\treturn attr != null && attr.indexOf(value) >= 0 && next(elem);\n\t\t};\n\t},\n\tnot: function(next, data){\n\t\tvar name  = data.name,\n\t\t    value = data.value;\n\n\t\tif(value === \"\"){\n\t\t\treturn function notEmpty(elem){\n\t\t\t\treturn !!getAttributeValue(elem, name) && next(elem);\n\t\t\t};\n\t\t} else if(data.ignoreCase){\n\t\t\tvalue = value.toLowerCase();\n\n\t\t\treturn function notIC(elem){\n\t\t\t\tvar attr = getAttributeValue(elem, name);\n\t\t\t\treturn attr != null && attr.toLowerCase() !== value && next(elem);\n\t\t\t};\n\t\t}\n\n\t\treturn function not(elem){\n\t\t\treturn getAttributeValue(elem, name) !== value && next(elem);\n\t\t};\n\t}\n};\n\nmodule.exports = {\n\tcompile: function(next, data, options){\n\t\tif(options && options.strict && (\n\t\t\tdata.ignoreCase || data.action === \"not\"\n\t\t)) throw SyntaxError(\"Unsupported attribute selector\");\n\t\treturn attributeRules[data.action](next, data);\n\t},\n\trules: attributeRules\n};\n","var Parser = require(\"./Parser.js\"),\n    DomHandler = require(\"domhandler\");\n\nfunction defineProp(name, value){\n\tdelete module.exports[name];\n\tmodule.exports[name] = value;\n\treturn value;\n}\n\nmodule.exports = {\n\tParser: Parser,\n\tTokenizer: require(\"./Tokenizer.js\"),\n\tElementType: require(\"domelementtype\"),\n\tDomHandler: DomHandler,\n\tget FeedHandler(){\n\t\treturn defineProp(\"FeedHandler\", require(\"./FeedHandler.js\"));\n\t},\n\tget ProxyHandler(){\n\t\treturn defineProp(\"ProxyHandler\", require(\"./ProxyHandler.js\"));\n\t},\n\tget DomUtils(){\n\t\treturn defineProp(\"DomUtils\", require(\"domutils\"));\n\t},\n\tget CollectingHandler(){\n\t\treturn defineProp(\"CollectingHandler\", require(\"./CollectingHandler.js\"));\n\t},\n\t// For legacy support\n\tDefaultHandler: DomHandler,\n\tget RssHandler(){\n\t\treturn defineProp(\"RssHandler\", this.FeedHandler);\n\t},\n\t//helper methods\n\tparseDOM: function(data, options){\n\t\tvar handler = new DomHandler(options);\n\t\tnew Parser(handler, options).end(data);\n\t\treturn handler.dom;\n\t},\n\tparseFeed: function(feed, options){\n\t\tvar handler = new module.exports.FeedHandler(options);\n\t\tnew Parser(handler, options).end(feed);\n\t\treturn handler.dom;\n\t},\n\tcreateDomStream: function(cb, options, elementCb){\n\t\tvar handler = new DomHandler(cb, options, elementCb);\n\t\treturn new Parser(handler, options);\n\t},\n\t// List of all events that the parser emits\n\tEVENTS: { /* Format: eventname: number of arguments */\n\t\tattribute: 2,\n\t\tcdatastart: 0,\n\t\tcdataend: 0,\n\t\ttext: 1,\n\t\tprocessinginstruction: 2,\n\t\tcomment: 1,\n\t\tcommentend: 0,\n\t\tclosetag: 1,\n\t\topentag: 2,\n\t\topentagname: 1,\n\t\terror: 1,\n\t\tend: 0\n\t}\n};\n","var _ = require('lodash'),\n    select = require('css-select'),\n    utils = require('../utils'),\n    domEach = utils.domEach,\n    uniqueSort = require('htmlparser2-without-node-native').DomUtils.uniqueSort,\n    isTag = utils.isTag;\n\nexports.find = function(selectorOrHaystack) {\n  var elems = _.reduce(this, function(memo, elem) {\n    return memo.concat(_.filter(elem.children, isTag));\n  }, []);\n  var contains = this.constructor.contains;\n  var haystack;\n\n  if (selectorOrHaystack && typeof selectorOrHaystack !== 'string') {\n    if (selectorOrHaystack.cheerio) {\n      haystack = selectorOrHaystack.get();\n    } else {\n      haystack = [selectorOrHaystack];\n    }\n\n    return this._make(haystack.filter(function(elem) {\n      var idx, len;\n      for (idx = 0, len = this.length; idx < len; ++idx) {\n        if (contains(this[idx], elem)) {\n          return true;\n        }\n      }\n    }, this));\n  }\n\n  var options = {__proto__: this.options, context: this.toArray()};\n\n  return this._make(select(selectorOrHaystack, elems, options));\n};\n\n// Get the parent of each element in the current set of matched elements,\n// optionally filtered by a selector.\nexports.parent = function(selector) {\n  var set = [];\n\n  domEach(this, function(idx, elem) {\n    var parentElem = elem.parent;\n    if (parentElem && set.indexOf(parentElem) < 0) {\n      set.push(parentElem);\n    }\n  });\n\n  if (arguments.length) {\n    set = exports.filter.call(set, selector, this);\n  }\n\n  return this._make(set);\n};\n\nexports.parents = function(selector) {\n  var parentNodes = [];\n\n  // When multiple DOM elements are in the original set, the resulting set will\n  // be in *reverse* order of the original elements as well, with duplicates\n  // removed.\n  this.get().reverse().forEach(function(elem) {\n    traverseParents(this, elem.parent, selector, Infinity)\n      .forEach(function(node) {\n        if (parentNodes.indexOf(node) === -1) {\n          parentNodes.push(node);\n        }\n      }\n    );\n  }, this);\n\n  return this._make(parentNodes);\n};\n\nexports.parentsUntil = function(selector, filter) {\n  var parentNodes = [], untilNode, untilNodes;\n\n  if (typeof selector === 'string') {\n    untilNode = select(selector, this.parents().toArray(), this.options)[0];\n  } else if (selector && selector.cheerio) {\n    untilNodes = selector.toArray();\n  } else if (selector) {\n    untilNode = selector;\n  }\n\n  // When multiple DOM elements are in the original set, the resulting set will\n  // be in *reverse* order of the original elements as well, with duplicates\n  // removed.\n\n  this.toArray().reverse().forEach(function(elem) {\n    while ((elem = elem.parent)) {\n      if ((untilNode && elem !== untilNode) ||\n        (untilNodes && untilNodes.indexOf(elem) === -1) ||\n        (!untilNode && !untilNodes)) {\n        if (isTag(elem) && parentNodes.indexOf(elem) === -1) { parentNodes.push(elem); }\n      } else {\n        break;\n      }\n    }\n  }, this);\n\n  return this._make(filter ? select(filter, parentNodes, this.options) : parentNodes);\n};\n\n// For each element in the set, get the first element that matches the selector\n// by testing the element itself and traversing up through its ancestors in the\n// DOM tree.\nexports.closest = function(selector) {\n  var set = [];\n\n  if (!selector) {\n    return this._make(set);\n  }\n\n  domEach(this, function(idx, elem) {\n    var closestElem = traverseParents(this, elem, selector, 1)[0];\n\n    // Do not add duplicate elements to the set\n    if (closestElem && set.indexOf(closestElem) < 0) {\n      set.push(closestElem);\n    }\n  }.bind(this));\n\n  return this._make(set);\n};\n\nexports.next = function(selector) {\n  if (!this[0]) { return this; }\n  var elems = [];\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.next)) {\n      if (isTag(elem)) {\n        elems.push(elem);\n        return;\n      }\n    }\n  });\n\n  return selector ?\n    exports.filter.call(elems, selector, this) :\n    this._make(elems);\n};\n\nexports.nextAll = function(selector) {\n  if (!this[0]) { return this; }\n  var elems = [];\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.next)) {\n      if (isTag(elem) && elems.indexOf(elem) === -1) {\n        elems.push(elem);\n      }\n    }\n  });\n\n  return selector ?\n    exports.filter.call(elems, selector, this) :\n    this._make(elems);\n};\n\nexports.nextUntil = function(selector, filterSelector) {\n  if (!this[0]) { return this; }\n  var elems = [], untilNode, untilNodes;\n\n  if (typeof selector === 'string') {\n    untilNode = select(selector, this.nextAll().get(), this.options)[0];\n  } else if (selector && selector.cheerio) {\n    untilNodes = selector.get();\n  } else if (selector) {\n    untilNode = selector;\n  }\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.next)) {\n      if ((untilNode && elem !== untilNode) ||\n        (untilNodes && untilNodes.indexOf(elem) === -1) ||\n        (!untilNode && !untilNodes)) {\n        if (isTag(elem) && elems.indexOf(elem) === -1) {\n          elems.push(elem);\n        }\n      } else {\n        break;\n      }\n    }\n  });\n\n  return filterSelector ?\n    exports.filter.call(elems, filterSelector, this) :\n    this._make(elems);\n};\n\nexports.prev = function(selector) {\n  if (!this[0]) { return this; }\n  var elems = [];\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.prev)) {\n      if (isTag(elem)) {\n        elems.push(elem);\n        return;\n      }\n    }\n  });\n\n  return selector ?\n    exports.filter.call(elems, selector, this) :\n    this._make(elems);\n};\n\nexports.prevAll = function(selector) {\n  if (!this[0]) { return this; }\n  var elems = [];\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.prev)) {\n      if (isTag(elem) && elems.indexOf(elem) === -1) {\n        elems.push(elem);\n      }\n    }\n  });\n\n  return selector ?\n    exports.filter.call(elems, selector, this) :\n    this._make(elems);\n};\n\nexports.prevUntil = function(selector, filterSelector) {\n  if (!this[0]) { return this; }\n  var elems = [], untilNode, untilNodes;\n\n  if (typeof selector === 'string') {\n    untilNode = select(selector, this.prevAll().get(), this.options)[0];\n  } else if (selector && selector.cheerio) {\n    untilNodes = selector.get();\n  } else if (selector) {\n    untilNode = selector;\n  }\n\n  _.forEach(this, function(elem) {\n    while ((elem = elem.prev)) {\n      if ((untilNode && elem !== untilNode) ||\n        (untilNodes && untilNodes.indexOf(elem) === -1) ||\n        (!untilNode && !untilNodes)) {\n        if (isTag(elem) && elems.indexOf(elem) === -1) {\n          elems.push(elem);\n        }\n      } else {\n        break;\n      }\n    }\n  });\n\n  return filterSelector ?\n    exports.filter.call(elems, filterSelector, this) :\n    this._make(elems);\n};\n\nexports.siblings = function(selector) {\n  var parent = this.parent();\n\n  var elems = _.filter(\n    parent ? parent.children() : this.siblingsAndMe(),\n    _.bind(function(elem) { return isTag(elem) && !this.is(elem); }, this)\n  );\n\n  if (selector !== undefined) {\n    return exports.filter.call(elems, selector, this);\n  } else {\n    return this._make(elems);\n  }\n};\n\nexports.children = function(selector) {\n\n  var elems = _.reduce(this, function(memo, elem) {\n    return memo.concat(_.filter(elem.children, isTag));\n  }, []);\n\n  if (selector === undefined) return this._make(elems);\n\n  return exports.filter.call(elems, selector, this);\n};\n\nexports.contents = function() {\n  return this._make(_.reduce(this, function(all, elem) {\n    all.push.apply(all, elem.children);\n    return all;\n  }, []));\n};\n\nexports.each = function(fn) {\n  var i = 0, len = this.length;\n  while (i < len && fn.call(this[i], i, this[i]) !== false) ++i;\n  return this;\n};\n\nexports.map = function(fn) {\n  return this._make(_.reduce(this, function(memo, el, i) {\n    var val = fn.call(el, i, el);\n    return val == null ? memo : memo.concat(val);\n  }, []));\n};\n\nvar makeFilterMethod = function(filterFn) {\n  return function(match, container) {\n    var testFn;\n    container = container || this;\n\n    if (typeof match === 'string') {\n      testFn = select.compile(match, container.options);\n    } else if (typeof match === 'function') {\n      testFn = function(el, i) {\n        return match.call(el, i, el);\n      };\n    } else if (match.cheerio) {\n      testFn = match.is.bind(match);\n    } else {\n      testFn = function(el) {\n        return match === el;\n      };\n    }\n\n    return container._make(filterFn(this, testFn));\n  };\n};\n\nexports.filter = makeFilterMethod(_.filter);\nexports.not = makeFilterMethod(_.reject);\n\nexports.has = function(selectorOrHaystack) {\n  var that = this;\n  return exports.filter.call(this, function() {\n    return that._make(this).find(selectorOrHaystack).length > 0;\n  });\n};\n\nexports.first = function() {\n  return this.length > 1 ? this._make(this[0]) : this;\n};\n\nexports.last = function() {\n  return this.length > 1 ? this._make(this[this.length - 1]) : this;\n};\n\n// Reduce the set of matched elements to the one at the specified index.\nexports.eq = function(i) {\n  i = +i;\n\n  // Use the first identity optimization if possible\n  if (i === 0 && this.length <= 1) return this;\n\n  if (i < 0) i = this.length + i;\n  return this[i] ? this._make(this[i]) : this._make([]);\n};\n\n// Retrieve the DOM elements matched by the jQuery object.\nexports.get = function(i) {\n  if (i == null) {\n    return Array.prototype.slice.call(this);\n  } else {\n    return this[i < 0 ? (this.length + i) : i];\n  }\n};\n\n// Search for a given element from among the matched elements.\nexports.index = function(selectorOrNeedle) {\n  var $haystack, needle;\n\n  if (arguments.length === 0) {\n    $haystack = this.parent().children();\n    needle = this[0];\n  } else if (typeof selectorOrNeedle === 'string') {\n    $haystack = this._make(selectorOrNeedle);\n    needle = this[0];\n  } else {\n    $haystack = this;\n    needle = selectorOrNeedle.cheerio ? selectorOrNeedle[0] : selectorOrNeedle;\n  }\n\n  return $haystack.get().indexOf(needle);\n};\n\nexports.slice = function() {\n  return this._make([].slice.apply(this, arguments));\n};\n\nfunction traverseParents(self, elem, selector, limit) {\n  var elems = [];\n  while (elem && elems.length < limit) {\n    if (!selector || exports.filter.call([elem], selector, self).length) {\n      elems.push(elem);\n    }\n    elem = elem.parent;\n  }\n  return elems;\n}\n\n// End the most recent filtering operation in the current chain and return the\n// set of matched elements to its previous state.\nexports.end = function() {\n  return this.prevObject || this._make([]);\n};\n\nexports.add = function(other, context) {\n  var selection = this._make(other, context);\n  var contents = uniqueSort(selection.get().concat(this.get()));\n\n  for (var i = 0; i < contents.length; ++i) {\n    selection[i] = contents[i];\n  }\n  selection.length = contents.length;\n\n  return selection;\n};\n\n// Add the previous set of elements on the stack to the current set, optionally\n// filtered by a selector.\nexports.addBack = function(selector) {\n  return this.add(\n    arguments.length ? this.prevObject.filter(selector) : this.prevObject\n  );\n};\n","export * from \"-!../../../node_modules/mini-css-extract-plugin/dist/loader.js??ref--7-oneOf-1-0!../../../node_modules/css-loader/dist/cjs.js??ref--7-oneOf-1-1!../../../node_modules/vue-loader/lib/loaders/stylePostLoader.js!../../../node_modules/postcss-loader/src/index.js??ref--7-oneOf-1-2!../../../node_modules/cache-loader/dist/cjs.js??ref--1-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./LinkPreview.vue?vue&type=style&index=0&id=6f601e90&prod&lang=css&\"","\"use strict\";\n\nmodule.exports = parse;\n\nvar re_name = /^(?:\\\\.|[\\w\\-\\u00b0-\\uFFFF])+/,\n    re_escape = /\\\\([\\da-f]{1,6}\\s?|(\\s)|.)/ig,\n    //modified version of https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L87\n    re_attr = /^\\s*((?:\\\\.|[\\w\\u00b0-\\uFFFF\\-])+)\\s*(?:(\\S?)=\\s*(?:(['\"])([^]*?)\\3|(#?(?:\\\\.|[\\w\\u00b0-\\uFFFF\\-])*)|)|)\\s*(i)?\\]/;\n\nvar actionTypes = {\n\t__proto__: null,\n\t\"undefined\": \"exists\",\n\t\"\":  \"equals\",\n\t\"~\": \"element\",\n\t\"^\": \"start\",\n\t\"$\": \"end\",\n\t\"*\": \"any\",\n\t\"!\": \"not\",\n\t\"|\": \"hyphen\"\n};\n\nvar simpleSelectors = {\n\t__proto__: null,\n\t\">\": \"child\",\n\t\"<\": \"parent\",\n\t\"~\": \"sibling\",\n\t\"+\": \"adjacent\"\n};\n\nvar attribSelectors = {\n\t__proto__: null,\n\t\"#\": [\"id\", \"equals\"],\n\t\".\": [\"class\", \"element\"]\n};\n\n//pseudos, whose data-property is parsed as well\nvar unpackPseudos = {\n\t__proto__: null,\n\t\"has\": true,\n\t\"not\": true,\n\t\"matches\": true\n};\n\nvar stripQuotesFromPseudos = {\n\t__proto__: null,\n\t\"contains\": true,\n\t\"icontains\": true\n};\n\nvar quotes = {\n\t__proto__: null,\n\t\"\\\"\": true,\n\t\"'\": true\n};\n\n//unescape function taken from https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L139\nfunction funescape( _, escaped, escapedWhitespace ) {\n\tvar high = \"0x\" + escaped - 0x10000;\n\t// NaN means non-codepoint\n\t// Support: Firefox\n\t// Workaround erroneous numeric interpretation of +\"0x\"\n\treturn high !== high || escapedWhitespace ?\n\t\tescaped :\n\t\t// BMP codepoint\n\t\thigh < 0 ?\n\t\t\tString.fromCharCode( high + 0x10000 ) :\n\t\t\t// Supplemental Plane codepoint (surrogate pair)\n\t\t\tString.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );\n}\n\nfunction unescapeCSS(str){\n\treturn str.replace(re_escape, funescape);\n}\n\nfunction isWhitespace(c){\n\treturn c === \" \" || c === \"\\n\" || c === \"\\t\" || c === \"\\f\" || c === \"\\r\";\n}\n\nfunction parse(selector, options){\n\tvar subselects = [];\n\n\tselector = parseSelector(subselects, selector + \"\", options);\n\n\tif(selector !== \"\"){\n\t\tthrow new SyntaxError(\"Unmatched selector: \" + selector);\n\t}\n\n\treturn subselects;\n}\n\nfunction parseSelector(subselects, selector, options){\n\tvar tokens = [],\n\t\tsawWS = false,\n\t\tdata, firstChar, name, quot;\n\n\tfunction getName(){\n\t\tvar sub = selector.match(re_name)[0];\n\t\tselector = selector.substr(sub.length);\n\t\treturn unescapeCSS(sub);\n\t}\n\n\tfunction stripWhitespace(start){\n\t\twhile(isWhitespace(selector.charAt(start))) start++;\n\t\tselector = selector.substr(start);\n\t}\n\n\tfunction isEscaped(pos) {\n\t\tvar slashCount = 0;\n\n\t\twhile (selector.charAt(--pos) === \"\\\\\") slashCount++;\n\t\treturn (slashCount & 1) === 1;\n\t}\n\n\tstripWhitespace(0);\n\n\twhile(selector !== \"\"){\n\t\tfirstChar = selector.charAt(0);\n\n\t\tif(isWhitespace(firstChar)){\n\t\t\tsawWS = true;\n\t\t\tstripWhitespace(1);\n\t\t} else if(firstChar in simpleSelectors){\n\t\t\ttokens.push({type: simpleSelectors[firstChar]});\n\t\t\tsawWS = false;\n\n\t\t\tstripWhitespace(1);\n\t\t} else if(firstChar === \",\"){\n\t\t\tif(tokens.length === 0){\n\t\t\t\tthrow new SyntaxError(\"empty sub-selector\");\n\t\t\t}\n\t\t\tsubselects.push(tokens);\n\t\t\ttokens = [];\n\t\t\tsawWS = false;\n\t\t\tstripWhitespace(1);\n\t\t} else {\n\t\t\tif(sawWS){\n\t\t\t\tif(tokens.length > 0){\n\t\t\t\t\ttokens.push({type: \"descendant\"});\n\t\t\t\t}\n\t\t\t\tsawWS = false;\n\t\t\t}\n\n\t\t\tif(firstChar === \"*\"){\n\t\t\t\tselector = selector.substr(1);\n\t\t\t\ttokens.push({type: \"universal\"});\n\t\t\t} else if(firstChar in attribSelectors){\n\t\t\t\tselector = selector.substr(1);\n\t\t\t\ttokens.push({\n\t\t\t\t\ttype: \"attribute\",\n\t\t\t\t\tname: attribSelectors[firstChar][0],\n\t\t\t\t\taction: attribSelectors[firstChar][1],\n\t\t\t\t\tvalue: getName(),\n\t\t\t\t\tignoreCase: false\n\t\t\t\t});\n\t\t\t} else if(firstChar === \"[\"){\n\t\t\t\tselector = selector.substr(1);\n\t\t\t\tdata = selector.match(re_attr);\n\t\t\t\tif(!data){\n\t\t\t\t\tthrow new SyntaxError(\"Malformed attribute selector: \" + selector);\n\t\t\t\t}\n\t\t\t\tselector = selector.substr(data[0].length);\n\t\t\t\tname = unescapeCSS(data[1]);\n\n\t\t\t\tif(\n\t\t\t\t\t!options || (\n\t\t\t\t\t\t\"lowerCaseAttributeNames\" in options ?\n\t\t\t\t\t\t\toptions.lowerCaseAttributeNames :\n\t\t\t\t\t\t\t!options.xmlMode\n\t\t\t\t\t)\n\t\t\t\t){\n\t\t\t\t\tname = name.toLowerCase();\n\t\t\t\t}\n\n\t\t\t\ttokens.push({\n\t\t\t\t\ttype: \"attribute\",\n\t\t\t\t\tname: name,\n\t\t\t\t\taction: actionTypes[data[2]],\n\t\t\t\t\tvalue: unescapeCSS(data[4] || data[5] || \"\"),\n\t\t\t\t\tignoreCase: !!data[6]\n\t\t\t\t});\n\n\t\t\t} else if(firstChar === \":\"){\n\t\t\t\tif(selector.charAt(1) === \":\"){\n\t\t\t\t\tselector = selector.substr(2);\n\t\t\t\t\ttokens.push({type: \"pseudo-element\", name: getName().toLowerCase()});\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tselector = selector.substr(1);\n\n\t\t\t\tname = getName().toLowerCase();\n\t\t\t\tdata = null;\n\n\t\t\t\tif(selector.charAt(0) === \"(\"){\n\t\t\t\t\tif(name in unpackPseudos){\n\t\t\t\t\t\tquot = selector.charAt(1);\n\t\t\t\t\t\tvar quoted = quot in quotes;\n\n\t\t\t\t\t\tselector = selector.substr(quoted + 1);\n\n\t\t\t\t\t\tdata = [];\n\t\t\t\t\t\tselector = parseSelector(data, selector, options);\n\n\t\t\t\t\t\tif(quoted){\n\t\t\t\t\t\t\tif(selector.charAt(0) !== quot){\n\t\t\t\t\t\t\t\tthrow new SyntaxError(\"unmatched quotes in :\" + name);\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tselector = selector.substr(1);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif(selector.charAt(0) !== \")\"){\n\t\t\t\t\t\t\tthrow new SyntaxError(\"missing closing parenthesis in :\" + name + \" \" + selector);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tselector = selector.substr(1);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tvar pos = 1, counter = 1;\n\n\t\t\t\t\t\tfor(; counter > 0 && pos < selector.length; pos++){\n\t\t\t\t\t\t\tif(selector.charAt(pos) === \"(\" && !isEscaped(pos)) counter++;\n\t\t\t\t\t\t\telse if(selector.charAt(pos) === \")\" && !isEscaped(pos)) counter--;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif(counter){\n\t\t\t\t\t\t\tthrow new SyntaxError(\"parenthesis not matched\");\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tdata = selector.substr(1, pos - 2);\n\t\t\t\t\t\tselector = selector.substr(pos);\n\n\t\t\t\t\t\tif(name in stripQuotesFromPseudos){\n\t\t\t\t\t\t\tquot = data.charAt(0);\n\n\t\t\t\t\t\t\tif(quot === data.slice(-1) && quot in quotes){\n\t\t\t\t\t\t\t\tdata = data.slice(1, -1);\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tdata = unescapeCSS(data);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\ttokens.push({type: \"pseudo\", name: name, data: data});\n\t\t\t} else if(re_name.test(selector)){\n\t\t\t\tname = getName();\n\n\t\t\t\tif(!options || (\"lowerCaseTags\" in options ? options.lowerCaseTags : !options.xmlMode)){\n\t\t\t\t\tname = name.toLowerCase();\n\t\t\t\t}\n\n\t\t\t\ttokens.push({type: \"tag\", name: name});\n\t\t\t} else {\n\t\t\t\tif(tokens.length && tokens[tokens.length - 1].type === \"descendant\"){\n\t\t\t\t\ttokens.pop();\n\t\t\t\t}\n\t\t\t\taddToken(subselects, tokens);\n\t\t\t\treturn selector;\n\t\t\t}\n\t\t}\n\t}\n\n\taddToken(subselects, tokens);\n\n\treturn selector;\n}\n\nfunction addToken(subselects, tokens){\n\tif(subselects.length > 0 && tokens.length === 0){\n\t\tthrow new SyntaxError(\"empty sub-selector\");\n\t}\n\n\tsubselects.push(tokens);\n}\n","var __self__ = (function (root) {\nfunction F() {\nthis.fetch = false;\nthis.DOMException = root.DOMException\n}\nF.prototype = root;\nreturn new F();\n})(typeof self !== 'undefined' ? self : this);\n(function(self) {\n\nvar irrelevant = (function (exports) {\n\n  var support = {\n    searchParams: 'URLSearchParams' in self,\n    iterable: 'Symbol' in self && 'iterator' in Symbol,\n    blob:\n      'FileReader' in self &&\n      'Blob' in self &&\n      (function() {\n        try {\n          new Blob();\n          return true\n        } catch (e) {\n          return false\n        }\n      })(),\n    formData: 'FormData' in self,\n    arrayBuffer: 'ArrayBuffer' in self\n  };\n\n  function isDataView(obj) {\n    return obj && DataView.prototype.isPrototypeOf(obj)\n  }\n\n  if (support.arrayBuffer) {\n    var viewClasses = [\n      '[object Int8Array]',\n      '[object Uint8Array]',\n      '[object Uint8ClampedArray]',\n      '[object Int16Array]',\n      '[object Uint16Array]',\n      '[object Int32Array]',\n      '[object Uint32Array]',\n      '[object Float32Array]',\n      '[object Float64Array]'\n    ];\n\n    var isArrayBufferView =\n      ArrayBuffer.isView ||\n      function(obj) {\n        return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1\n      };\n  }\n\n  function normalizeName(name) {\n    if (typeof name !== 'string') {\n      name = String(name);\n    }\n    if (/[^a-z0-9\\-#$%&'*+.^_`|~]/i.test(name)) {\n      throw new TypeError('Invalid character in header field name')\n    }\n    return name.toLowerCase()\n  }\n\n  function normalizeValue(value) {\n    if (typeof value !== 'string') {\n      value = String(value);\n    }\n    return value\n  }\n\n  // Build a destructive iterator for the value list\n  function iteratorFor(items) {\n    var iterator = {\n      next: function() {\n        var value = items.shift();\n        return {done: value === undefined, value: value}\n      }\n    };\n\n    if (support.iterable) {\n      iterator[Symbol.iterator] = function() {\n        return iterator\n      };\n    }\n\n    return iterator\n  }\n\n  function Headers(headers) {\n    this.map = {};\n\n    if (headers instanceof Headers) {\n      headers.forEach(function(value, name) {\n        this.append(name, value);\n      }, this);\n    } else if (Array.isArray(headers)) {\n      headers.forEach(function(header) {\n        this.append(header[0], header[1]);\n      }, this);\n    } else if (headers) {\n      Object.getOwnPropertyNames(headers).forEach(function(name) {\n        this.append(name, headers[name]);\n      }, this);\n    }\n  }\n\n  Headers.prototype.append = function(name, value) {\n    name = normalizeName(name);\n    value = normalizeValue(value);\n    var oldValue = this.map[name];\n    this.map[name] = oldValue ? oldValue + ', ' + value : value;\n  };\n\n  Headers.prototype['delete'] = function(name) {\n    delete this.map[normalizeName(name)];\n  };\n\n  Headers.prototype.get = function(name) {\n    name = normalizeName(name);\n    return this.has(name) ? this.map[name] : null\n  };\n\n  Headers.prototype.has = function(name) {\n    return this.map.hasOwnProperty(normalizeName(name))\n  };\n\n  Headers.prototype.set = function(name, value) {\n    this.map[normalizeName(name)] = normalizeValue(value);\n  };\n\n  Headers.prototype.forEach = function(callback, thisArg) {\n    for (var name in this.map) {\n      if (this.map.hasOwnProperty(name)) {\n        callback.call(thisArg, this.map[name], name, this);\n      }\n    }\n  };\n\n  Headers.prototype.keys = function() {\n    var items = [];\n    this.forEach(function(value, name) {\n      items.push(name);\n    });\n    return iteratorFor(items)\n  };\n\n  Headers.prototype.values = function() {\n    var items = [];\n    this.forEach(function(value) {\n      items.push(value);\n    });\n    return iteratorFor(items)\n  };\n\n  Headers.prototype.entries = function() {\n    var items = [];\n    this.forEach(function(value, name) {\n      items.push([name, value]);\n    });\n    return iteratorFor(items)\n  };\n\n  if (support.iterable) {\n    Headers.prototype[Symbol.iterator] = Headers.prototype.entries;\n  }\n\n  function consumed(body) {\n    if (body.bodyUsed) {\n      return Promise.reject(new TypeError('Already read'))\n    }\n    body.bodyUsed = true;\n  }\n\n  function fileReaderReady(reader) {\n    return new Promise(function(resolve, reject) {\n      reader.onload = function() {\n        resolve(reader.result);\n      };\n      reader.onerror = function() {\n        reject(reader.error);\n      };\n    })\n  }\n\n  function readBlobAsArrayBuffer(blob) {\n    var reader = new FileReader();\n    var promise = fileReaderReady(reader);\n    reader.readAsArrayBuffer(blob);\n    return promise\n  }\n\n  function readBlobAsText(blob) {\n    var reader = new FileReader();\n    var promise = fileReaderReady(reader);\n    reader.readAsText(blob);\n    return promise\n  }\n\n  function readArrayBufferAsText(buf) {\n    var view = new Uint8Array(buf);\n    var chars = new Array(view.length);\n\n    for (var i = 0; i < view.length; i++) {\n      chars[i] = String.fromCharCode(view[i]);\n    }\n    return chars.join('')\n  }\n\n  function bufferClone(buf) {\n    if (buf.slice) {\n      return buf.slice(0)\n    } else {\n      var view = new Uint8Array(buf.byteLength);\n      view.set(new Uint8Array(buf));\n      return view.buffer\n    }\n  }\n\n  function Body() {\n    this.bodyUsed = false;\n\n    this._initBody = function(body) {\n      this._bodyInit = body;\n      if (!body) {\n        this._bodyText = '';\n      } else if (typeof body === 'string') {\n        this._bodyText = body;\n      } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {\n        this._bodyBlob = body;\n      } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {\n        this._bodyFormData = body;\n      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {\n        this._bodyText = body.toString();\n      } else if (support.arrayBuffer && support.blob && isDataView(body)) {\n        this._bodyArrayBuffer = bufferClone(body.buffer);\n        // IE 10-11 can't handle a DataView body.\n        this._bodyInit = new Blob([this._bodyArrayBuffer]);\n      } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {\n        this._bodyArrayBuffer = bufferClone(body);\n      } else {\n        this._bodyText = body = Object.prototype.toString.call(body);\n      }\n\n      if (!this.headers.get('content-type')) {\n        if (typeof body === 'string') {\n          this.headers.set('content-type', 'text/plain;charset=UTF-8');\n        } else if (this._bodyBlob && this._bodyBlob.type) {\n          this.headers.set('content-type', this._bodyBlob.type);\n        } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {\n          this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');\n        }\n      }\n    };\n\n    if (support.blob) {\n      this.blob = function() {\n        var rejected = consumed(this);\n        if (rejected) {\n          return rejected\n        }\n\n        if (this._bodyBlob) {\n          return Promise.resolve(this._bodyBlob)\n        } else if (this._bodyArrayBuffer) {\n          return Promise.resolve(new Blob([this._bodyArrayBuffer]))\n        } else if (this._bodyFormData) {\n          throw new Error('could not read FormData body as blob')\n        } else {\n          return Promise.resolve(new Blob([this._bodyText]))\n        }\n      };\n\n      this.arrayBuffer = function() {\n        if (this._bodyArrayBuffer) {\n          return consumed(this) || Promise.resolve(this._bodyArrayBuffer)\n        } else {\n          return this.blob().then(readBlobAsArrayBuffer)\n        }\n      };\n    }\n\n    this.text = function() {\n      var rejected = consumed(this);\n      if (rejected) {\n        return rejected\n      }\n\n      if (this._bodyBlob) {\n        return readBlobAsText(this._bodyBlob)\n      } else if (this._bodyArrayBuffer) {\n        return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))\n      } else if (this._bodyFormData) {\n        throw new Error('could not read FormData body as text')\n      } else {\n        return Promise.resolve(this._bodyText)\n      }\n    };\n\n    if (support.formData) {\n      this.formData = function() {\n        return this.text().then(decode)\n      };\n    }\n\n    this.json = function() {\n      return this.text().then(JSON.parse)\n    };\n\n    return this\n  }\n\n  // HTTP methods whose capitalization should be normalized\n  var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT'];\n\n  function normalizeMethod(method) {\n    var upcased = method.toUpperCase();\n    return methods.indexOf(upcased) > -1 ? upcased : method\n  }\n\n  function Request(input, options) {\n    options = options || {};\n    var body = options.body;\n\n    if (input instanceof Request) {\n      if (input.bodyUsed) {\n        throw new TypeError('Already read')\n      }\n      this.url = input.url;\n      this.credentials = input.credentials;\n      if (!options.headers) {\n        this.headers = new Headers(input.headers);\n      }\n      this.method = input.method;\n      this.mode = input.mode;\n      this.signal = input.signal;\n      if (!body && input._bodyInit != null) {\n        body = input._bodyInit;\n        input.bodyUsed = true;\n      }\n    } else {\n      this.url = String(input);\n    }\n\n    this.credentials = options.credentials || this.credentials || 'same-origin';\n    if (options.headers || !this.headers) {\n      this.headers = new Headers(options.headers);\n    }\n    this.method = normalizeMethod(options.method || this.method || 'GET');\n    this.mode = options.mode || this.mode || null;\n    this.signal = options.signal || this.signal;\n    this.referrer = null;\n\n    if ((this.method === 'GET' || this.method === 'HEAD') && body) {\n      throw new TypeError('Body not allowed for GET or HEAD requests')\n    }\n    this._initBody(body);\n  }\n\n  Request.prototype.clone = function() {\n    return new Request(this, {body: this._bodyInit})\n  };\n\n  function decode(body) {\n    var form = new FormData();\n    body\n      .trim()\n      .split('&')\n      .forEach(function(bytes) {\n        if (bytes) {\n          var split = bytes.split('=');\n          var name = split.shift().replace(/\\+/g, ' ');\n          var value = split.join('=').replace(/\\+/g, ' ');\n          form.append(decodeURIComponent(name), decodeURIComponent(value));\n        }\n      });\n    return form\n  }\n\n  function parseHeaders(rawHeaders) {\n    var headers = new Headers();\n    // Replace instances of \\r\\n and \\n followed by at least one space or horizontal tab with a space\n    // https://tools.ietf.org/html/rfc7230#section-3.2\n    var preProcessedHeaders = rawHeaders.replace(/\\r?\\n[\\t ]+/g, ' ');\n    preProcessedHeaders.split(/\\r?\\n/).forEach(function(line) {\n      var parts = line.split(':');\n      var key = parts.shift().trim();\n      if (key) {\n        var value = parts.join(':').trim();\n        headers.append(key, value);\n      }\n    });\n    return headers\n  }\n\n  Body.call(Request.prototype);\n\n  function Response(bodyInit, options) {\n    if (!options) {\n      options = {};\n    }\n\n    this.type = 'default';\n    this.status = options.status === undefined ? 200 : options.status;\n    this.ok = this.status >= 200 && this.status < 300;\n    this.statusText = 'statusText' in options ? options.statusText : 'OK';\n    this.headers = new Headers(options.headers);\n    this.url = options.url || '';\n    this._initBody(bodyInit);\n  }\n\n  Body.call(Response.prototype);\n\n  Response.prototype.clone = function() {\n    return new Response(this._bodyInit, {\n      status: this.status,\n      statusText: this.statusText,\n      headers: new Headers(this.headers),\n      url: this.url\n    })\n  };\n\n  Response.error = function() {\n    var response = new Response(null, {status: 0, statusText: ''});\n    response.type = 'error';\n    return response\n  };\n\n  var redirectStatuses = [301, 302, 303, 307, 308];\n\n  Response.redirect = function(url, status) {\n    if (redirectStatuses.indexOf(status) === -1) {\n      throw new RangeError('Invalid status code')\n    }\n\n    return new Response(null, {status: status, headers: {location: url}})\n  };\n\n  exports.DOMException = self.DOMException;\n  try {\n    new exports.DOMException();\n  } catch (err) {\n    exports.DOMException = function(message, name) {\n      this.message = message;\n      this.name = name;\n      var error = Error(message);\n      this.stack = error.stack;\n    };\n    exports.DOMException.prototype = Object.create(Error.prototype);\n    exports.DOMException.prototype.constructor = exports.DOMException;\n  }\n\n  function fetch(input, init) {\n    return new Promise(function(resolve, reject) {\n      var request = new Request(input, init);\n\n      if (request.signal && request.signal.aborted) {\n        return reject(new exports.DOMException('Aborted', 'AbortError'))\n      }\n\n      var xhr = new XMLHttpRequest();\n\n      function abortXhr() {\n        xhr.abort();\n      }\n\n      xhr.onload = function() {\n        var options = {\n          status: xhr.status,\n          statusText: xhr.statusText,\n          headers: parseHeaders(xhr.getAllResponseHeaders() || '')\n        };\n        options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL');\n        var body = 'response' in xhr ? xhr.response : xhr.responseText;\n        resolve(new Response(body, options));\n      };\n\n      xhr.onerror = function() {\n        reject(new TypeError('Network request failed'));\n      };\n\n      xhr.ontimeout = function() {\n        reject(new TypeError('Network request failed'));\n      };\n\n      xhr.onabort = function() {\n        reject(new exports.DOMException('Aborted', 'AbortError'));\n      };\n\n      xhr.open(request.method, request.url, true);\n\n      if (request.credentials === 'include') {\n        xhr.withCredentials = true;\n      } else if (request.credentials === 'omit') {\n        xhr.withCredentials = false;\n      }\n\n      if ('responseType' in xhr && support.blob) {\n        xhr.responseType = 'blob';\n      }\n\n      request.headers.forEach(function(value, name) {\n        xhr.setRequestHeader(name, value);\n      });\n\n      if (request.signal) {\n        request.signal.addEventListener('abort', abortXhr);\n\n        xhr.onreadystatechange = function() {\n          // DONE (success or failure)\n          if (xhr.readyState === 4) {\n            request.signal.removeEventListener('abort', abortXhr);\n          }\n        };\n      }\n\n      xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit);\n    })\n  }\n\n  fetch.polyfill = true;\n\n  if (!self.fetch) {\n    self.fetch = fetch;\n    self.Headers = Headers;\n    self.Request = Request;\n    self.Response = Response;\n  }\n\n  exports.Headers = Headers;\n  exports.Request = Request;\n  exports.Response = Response;\n  exports.fetch = fetch;\n\n  return exports;\n\n}({}));\n})(__self__);\ndelete __self__.fetch.polyfill\nexports = __self__.fetch // To enable: import fetch from 'cross-fetch'\nexports.default = __self__.fetch // For TypeScript consumers without esModuleInterop.\nexports.fetch = __self__.fetch // To enable: import {fetch} from 'cross-fetch'\nexports.Headers = __self__.Headers\nexports.Request = __self__.Request\nexports.Response = __self__.Response\nmodule.exports = exports\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.decodeXMLStrict = exports.decodeHTML5Strict = exports.decodeHTML4Strict = exports.decodeHTML5 = exports.decodeHTML4 = exports.decodeHTMLStrict = exports.decodeHTML = exports.decodeXML = exports.encodeHTML5 = exports.encodeHTML4 = exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = exports.encode = exports.decodeStrict = exports.decode = void 0;\nvar decode_1 = require(\"./decode\");\nvar encode_1 = require(\"./encode\");\n/**\n * Decodes a string with entities.\n *\n * @param data String to decode.\n * @param level Optional level to decode at. 0 = XML, 1 = HTML. Default is 0.\n * @deprecated Use `decodeXML` or `decodeHTML` directly.\n */\nfunction decode(data, level) {\n    return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTML)(data);\n}\nexports.decode = decode;\n/**\n * Decodes a string with entities. Does not allow missing trailing semicolons for entities.\n *\n * @param data String to decode.\n * @param level Optional level to decode at. 0 = XML, 1 = HTML. Default is 0.\n * @deprecated Use `decodeHTMLStrict` or `decodeXML` directly.\n */\nfunction decodeStrict(data, level) {\n    return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTMLStrict)(data);\n}\nexports.decodeStrict = decodeStrict;\n/**\n * Encodes a string with entities.\n *\n * @param data String to encode.\n * @param level Optional level to encode at. 0 = XML, 1 = HTML. Default is 0.\n * @deprecated Use `encodeHTML`, `encodeXML` or `encodeNonAsciiHTML` directly.\n */\nfunction encode(data, level) {\n    return (!level || level <= 0 ? encode_1.encodeXML : encode_1.encodeHTML)(data);\n}\nexports.encode = encode;\nvar encode_2 = require(\"./encode\");\nObject.defineProperty(exports, \"encodeXML\", { enumerable: true, get: function () { return encode_2.encodeXML; } });\nObject.defineProperty(exports, \"encodeHTML\", { enumerable: true, get: function () { return encode_2.encodeHTML; } });\nObject.defineProperty(exports, \"encodeNonAsciiHTML\", { enumerable: true, get: function () { return encode_2.encodeNonAsciiHTML; } });\nObject.defineProperty(exports, \"escape\", { enumerable: true, get: function () { return encode_2.escape; } });\nObject.defineProperty(exports, \"escapeUTF8\", { enumerable: true, get: function () { return encode_2.escapeUTF8; } });\n// Legacy aliases (deprecated)\nObject.defineProperty(exports, \"encodeHTML4\", { enumerable: true, get: function () { return encode_2.encodeHTML; } });\nObject.defineProperty(exports, \"encodeHTML5\", { enumerable: true, get: function () { return encode_2.encodeHTML; } });\nvar decode_2 = require(\"./decode\");\nObject.defineProperty(exports, \"decodeXML\", { enumerable: true, get: function () { return decode_2.decodeXML; } });\nObject.defineProperty(exports, \"decodeHTML\", { enumerable: true, get: function () { return decode_2.decodeHTML; } });\nObject.defineProperty(exports, \"decodeHTMLStrict\", { enumerable: true, get: function () { return decode_2.decodeHTMLStrict; } });\n// Legacy aliases (deprecated)\nObject.defineProperty(exports, \"decodeHTML4\", { enumerable: true, get: function () { return decode_2.decodeHTML; } });\nObject.defineProperty(exports, \"decodeHTML5\", { enumerable: true, get: function () { return decode_2.decodeHTML; } });\nObject.defineProperty(exports, \"decodeHTML4Strict\", { enumerable: true, get: function () { return decode_2.decodeHTMLStrict; } });\nObject.defineProperty(exports, \"decodeHTML5Strict\", { enumerable: true, get: function () { return decode_2.decodeHTMLStrict; } });\nObject.defineProperty(exports, \"decodeXMLStrict\", { enumerable: true, get: function () { return decode_2.decodeXML; } });\n","var ElementType = require(\"domelementtype\"),\n    getOuterHTML = require(\"dom-serializer\"),\n    isTag = ElementType.isTag;\n\nmodule.exports = {\n\tgetInnerHTML: getInnerHTML,\n\tgetOuterHTML: getOuterHTML,\n\tgetText: getText\n};\n\nfunction getInnerHTML(elem, opts){\n\treturn elem.children ? elem.children.map(function(elem){\n\t\treturn getOuterHTML(elem, opts);\n\t}).join(\"\") : \"\";\n}\n\nfunction getText(elem){\n\tif(Array.isArray(elem)) return elem.map(getText).join(\"\");\n\tif(isTag(elem)) return elem.name === \"br\" ? \"\\n\" : getText(elem.children);\n\tif(elem.type === ElementType.CDATA) return getText(elem.children);\n\tif(elem.type === ElementType.Text) return elem.data;\n\treturn \"\";\n}\n","var parse = require('./parse'),\n    render = require('dom-serializer');\n\n/**\n * HTML Tags\n */\n\nvar tags = { tag: true, script: true, style: true };\n\n/**\n * Check if the DOM element is a tag\n *\n * isTag(type) includes <script> and <style> tags\n */\n\nexports.isTag = function(type) {\n  if (type.type) type = type.type;\n  return tags[type] || false;\n};\n\n/**\n * Convert a string to camel case notation.\n * @param  {String} str String to be converted.\n * @return {String}     String in camel case notation.\n */\n\nexports.camelCase = function(str) {\n  return str.replace(/[_.-](\\w|$)/g, function(_, x) {\n    return x.toUpperCase();\n  });\n};\n\n/**\n * Convert a string from camel case to \"CSS case\", where word boundaries are\n * described by hyphens (\"-\") and all characters are lower-case.\n * @param  {String} str String to be converted.\n * @return {string}     String in \"CSS case\".\n */\nexports.cssCase = function(str) {\n  return str.replace(/[A-Z]/g, '-$&').toLowerCase();\n};\n\n/**\n * Iterate over each DOM element without creating intermediary Cheerio instances.\n *\n * This is indented for use internally to avoid otherwise unnecessary memory pressure introduced\n * by _make.\n */\n\nexports.domEach = function(cheerio, fn) {\n  var i = 0, len = cheerio.length;\n  while (i < len && fn.call(cheerio, i, cheerio[i]) !== false) ++i;\n  return cheerio;\n};\n\n/**\n * Create a deep copy of the given DOM structure by first rendering it to a\n * string and then parsing the resultant markup.\n *\n * @argument {Object} dom - The htmlparser2-compliant DOM structure\n * @argument {Object} options - The parsing/rendering options\n */\nexports.cloneDom = function(dom, options) {\n  return parse(render(dom, options), options).children;\n};\n\n/*\n * A simple way to check for HTML strings or ID strings\n */\n\nvar quickExpr = /^(?:[^#<]*(<[\\w\\W]+>)[^>]*$|#([\\w\\-]*)$)/;\n\n/*\n * Check if string is HTML\n */\nexports.isHtml = function(str) {\n  // Faster than running regex, if str starts with `<` and ends with `>`, assume it's HTML\n  if (str.charAt(0) === '<' && str.charAt(str.length - 1) === '>' && str.length >= 3) return true;\n\n  // Run the regex\n  var match = quickExpr.exec(str);\n  return !!(match && match[1]);\n};\n","var decodeMap = require(\"../maps/decode.json\");\n\nmodule.exports = decodeCodePoint;\n\n// modified version of https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119\nfunction decodeCodePoint(codePoint) {\n    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {\n        return \"\\uFFFD\";\n    }\n\n    if (codePoint in decodeMap) {\n        codePoint = decodeMap[codePoint];\n    }\n\n    var output = \"\";\n\n    if (codePoint > 0xffff) {\n        codePoint -= 0x10000;\n        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);\n        codePoint = 0xdc00 | (codePoint & 0x3ff);\n    }\n\n    output += String.fromCharCode(codePoint);\n    return output;\n}\n","/*!\r\n * EventEmitter2\r\n * https://github.com/hij1nx/EventEmitter2\r\n *\r\n * Copyright (c) 2013 hij1nx\r\n * Licensed under the MIT license.\r\n */\r\n;!function(undefined) {\r\n\r\n  var isArray = Array.isArray ? Array.isArray : function _isArray(obj) {\r\n    return Object.prototype.toString.call(obj) === \"[object Array]\";\r\n  };\r\n  var defaultMaxListeners = 10;\r\n\r\n  function init() {\r\n    this._events = {};\r\n    if (this._conf) {\r\n      configure.call(this, this._conf);\r\n    }\r\n  }\r\n\r\n  function configure(conf) {\r\n    if (conf) {\r\n\r\n      this._conf = conf;\r\n\r\n      conf.delimiter && (this.delimiter = conf.delimiter);\r\n      conf.maxListeners && (this._events.maxListeners = conf.maxListeners);\r\n      conf.wildcard && (this.wildcard = conf.wildcard);\r\n      conf.newListener && (this.newListener = conf.newListener);\r\n\r\n      if (this.wildcard) {\r\n        this.listenerTree = {};\r\n      }\r\n    }\r\n  }\r\n\r\n  function EventEmitter(conf) {\r\n    this._events = {};\r\n    this.newListener = false;\r\n    configure.call(this, conf);\r\n  }\r\n  EventEmitter.EventEmitter2 = EventEmitter; // backwards compatibility for exporting EventEmitter property\r\n\r\n  //\r\n  // Attention, function return type now is array, always !\r\n  // It has zero elements if no any matches found and one or more\r\n  // elements (leafs) if there are matches\r\n  //\r\n  function searchListenerTree(handlers, type, tree, i) {\r\n    if (!tree) {\r\n      return [];\r\n    }\r\n    var listeners=[], leaf, len, branch, xTree, xxTree, isolatedBranch, endReached,\r\n        typeLength = type.length, currentType = type[i], nextType = type[i+1];\r\n    if (i === typeLength && tree._listeners) {\r\n      //\r\n      // If at the end of the event(s) list and the tree has listeners\r\n      // invoke those listeners.\r\n      //\r\n      if (typeof tree._listeners === 'function') {\r\n        handlers && handlers.push(tree._listeners);\r\n        return [tree];\r\n      } else {\r\n        for (leaf = 0, len = tree._listeners.length; leaf < len; leaf++) {\r\n          handlers && handlers.push(tree._listeners[leaf]);\r\n        }\r\n        return [tree];\r\n      }\r\n    }\r\n\r\n    if ((currentType === '*' || currentType === '**') || tree[currentType]) {\r\n      //\r\n      // If the event emitted is '*' at this part\r\n      // or there is a concrete match at this patch\r\n      //\r\n      if (currentType === '*') {\r\n        for (branch in tree) {\r\n          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {\r\n            listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+1));\r\n          }\r\n        }\r\n        return listeners;\r\n      } else if(currentType === '**') {\r\n        endReached = (i+1 === typeLength || (i+2 === typeLength && nextType === '*'));\r\n        if(endReached && tree._listeners) {\r\n          // The next element has a _listeners, add it to the handlers.\r\n          listeners = listeners.concat(searchListenerTree(handlers, type, tree, typeLength));\r\n        }\r\n\r\n        for (branch in tree) {\r\n          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {\r\n            if(branch === '*' || branch === '**') {\r\n              if(tree[branch]._listeners && !endReached) {\r\n                listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], typeLength));\r\n              }\r\n              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));\r\n            } else if(branch === nextType) {\r\n              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+2));\r\n            } else {\r\n              // No match on this one, shift into the tree but not in the type array.\r\n              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));\r\n            }\r\n          }\r\n        }\r\n        return listeners;\r\n      }\r\n\r\n      listeners = listeners.concat(searchListenerTree(handlers, type, tree[currentType], i+1));\r\n    }\r\n\r\n    xTree = tree['*'];\r\n    if (xTree) {\r\n      //\r\n      // If the listener tree will allow any match for this part,\r\n      // then recursively explore all branches of the tree\r\n      //\r\n      searchListenerTree(handlers, type, xTree, i+1);\r\n    }\r\n\r\n    xxTree = tree['**'];\r\n    if(xxTree) {\r\n      if(i < typeLength) {\r\n        if(xxTree._listeners) {\r\n          // If we have a listener on a '**', it will catch all, so add its handler.\r\n          searchListenerTree(handlers, type, xxTree, typeLength);\r\n        }\r\n\r\n        // Build arrays of matching next branches and others.\r\n        for(branch in xxTree) {\r\n          if(branch !== '_listeners' && xxTree.hasOwnProperty(branch)) {\r\n            if(branch === nextType) {\r\n              // We know the next element will match, so jump twice.\r\n              searchListenerTree(handlers, type, xxTree[branch], i+2);\r\n            } else if(branch === currentType) {\r\n              // Current node matches, move into the tree.\r\n              searchListenerTree(handlers, type, xxTree[branch], i+1);\r\n            } else {\r\n              isolatedBranch = {};\r\n              isolatedBranch[branch] = xxTree[branch];\r\n              searchListenerTree(handlers, type, { '**': isolatedBranch }, i+1);\r\n            }\r\n          }\r\n        }\r\n      } else if(xxTree._listeners) {\r\n        // We have reached the end and still on a '**'\r\n        searchListenerTree(handlers, type, xxTree, typeLength);\r\n      } else if(xxTree['*'] && xxTree['*']._listeners) {\r\n        searchListenerTree(handlers, type, xxTree['*'], typeLength);\r\n      }\r\n    }\r\n\r\n    return listeners;\r\n  }\r\n\r\n  function growListenerTree(type, listener) {\r\n\r\n    type = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n\r\n    //\r\n    // Looks for two consecutive '**', if so, don't add the event at all.\r\n    //\r\n    for(var i = 0, len = type.length; i+1 < len; i++) {\r\n      if(type[i] === '**' && type[i+1] === '**') {\r\n        return;\r\n      }\r\n    }\r\n\r\n    var tree = this.listenerTree;\r\n    var name = type.shift();\r\n\r\n    while (name) {\r\n\r\n      if (!tree[name]) {\r\n        tree[name] = {};\r\n      }\r\n\r\n      tree = tree[name];\r\n\r\n      if (type.length === 0) {\r\n\r\n        if (!tree._listeners) {\r\n          tree._listeners = listener;\r\n        }\r\n        else if(typeof tree._listeners === 'function') {\r\n          tree._listeners = [tree._listeners, listener];\r\n        }\r\n        else if (isArray(tree._listeners)) {\r\n\r\n          tree._listeners.push(listener);\r\n\r\n          if (!tree._listeners.warned) {\r\n\r\n            var m = defaultMaxListeners;\r\n\r\n            if (typeof this._events.maxListeners !== 'undefined') {\r\n              m = this._events.maxListeners;\r\n            }\r\n\r\n            if (m > 0 && tree._listeners.length > m) {\r\n\r\n              tree._listeners.warned = true;\r\n              console.error('(node) warning: possible EventEmitter memory ' +\r\n                            'leak detected. %d listeners added. ' +\r\n                            'Use emitter.setMaxListeners() to increase limit.',\r\n                            tree._listeners.length);\r\n              if(console.trace){\r\n                console.trace();\r\n              }\r\n            }\r\n          }\r\n        }\r\n        return true;\r\n      }\r\n      name = type.shift();\r\n    }\r\n    return true;\r\n  }\r\n\r\n  // By default EventEmitters will print a warning if more than\r\n  // 10 listeners are added to it. This is a useful default which\r\n  // helps finding memory leaks.\r\n  //\r\n  // Obviously not all Emitters should be limited to 10. This function allows\r\n  // that to be increased. Set to zero for unlimited.\r\n\r\n  EventEmitter.prototype.delimiter = '.';\r\n\r\n  EventEmitter.prototype.setMaxListeners = function(n) {\r\n    this._events || init.call(this);\r\n    this._events.maxListeners = n;\r\n    if (!this._conf) this._conf = {};\r\n    this._conf.maxListeners = n;\r\n  };\r\n\r\n  EventEmitter.prototype.event = '';\r\n\r\n  EventEmitter.prototype.once = function(event, fn) {\r\n    this.many(event, 1, fn);\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.many = function(event, ttl, fn) {\r\n    var self = this;\r\n\r\n    if (typeof fn !== 'function') {\r\n      throw new Error('many only accepts instances of Function');\r\n    }\r\n\r\n    function listener() {\r\n      if (--ttl === 0) {\r\n        self.off(event, listener);\r\n      }\r\n      fn.apply(this, arguments);\r\n    }\r\n\r\n    listener._origin = fn;\r\n\r\n    this.on(event, listener);\r\n\r\n    return self;\r\n  };\r\n\r\n  EventEmitter.prototype.emit = function() {\r\n\r\n    this._events || init.call(this);\r\n\r\n    var type = arguments[0];\r\n\r\n    if (type === 'newListener' && !this.newListener) {\r\n      if (!this._events.newListener) {\r\n        return false;\r\n      }\r\n    }\r\n\r\n    var al = arguments.length;\r\n    var args,l,i,j;\r\n    var handler;\r\n\r\n    if (this._all && this._all.length) {\r\n      handler = this._all.slice();\r\n      if (al > 3) {\r\n        args = new Array(al);\r\n        for (j = 1; j < al; j++) args[j] = arguments[j];\r\n      }\r\n\r\n      for (i = 0, l = handler.length; i < l; i++) {\r\n        this.event = type;\r\n        switch (al) {\r\n        case 1:\r\n          handler[i].call(this, type);\r\n          break;\r\n        case 2:\r\n          handler[i].call(this, type, arguments[1]);\r\n          break;\r\n        case 3:\r\n          handler[i].call(this, type, arguments[1], arguments[2]);\r\n          break;\r\n        default:\r\n          handler[i].apply(this, args);\r\n        }\r\n      }\r\n    }\r\n\r\n    if (this.wildcard) {\r\n      handler = [];\r\n      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n      searchListenerTree.call(this, handler, ns, this.listenerTree, 0);\r\n    } else {\r\n      handler = this._events[type];\r\n      if (typeof handler === 'function') {\r\n        this.event = type;\r\n        switch (al) {\r\n        case 1:\r\n          handler.call(this);\r\n          break;\r\n        case 2:\r\n          handler.call(this, arguments[1]);\r\n          break;\r\n        case 3:\r\n          handler.call(this, arguments[1], arguments[2]);\r\n          break;\r\n        default:\r\n          args = new Array(al - 1);\r\n          for (j = 1; j < al; j++) args[j - 1] = arguments[j];\r\n          handler.apply(this, args);\r\n        }\r\n        return true;\r\n      } else if (handler) {\r\n        // need to make copy of handlers because list can change in the middle\r\n        // of emit call\r\n        handler = handler.slice();\r\n      }\r\n    }\r\n\r\n    if (handler && handler.length) {\r\n      if (al > 3) {\r\n        args = new Array(al - 1);\r\n        for (j = 1; j < al; j++) args[j - 1] = arguments[j];\r\n      }\r\n      for (i = 0, l = handler.length; i < l; i++) {\r\n        this.event = type;\r\n        switch (al) {\r\n        case 1:\r\n          handler[i].call(this);\r\n          break;\r\n        case 2:\r\n          handler[i].call(this, arguments[1]);\r\n          break;\r\n        case 3:\r\n          handler[i].call(this, arguments[1], arguments[2]);\r\n          break;\r\n        default:\r\n          handler[i].apply(this, args);\r\n        }\r\n      }\r\n      return true;\r\n    } else if (!this._all && type === 'error') {\r\n      if (arguments[1] instanceof Error) {\r\n        throw arguments[1]; // Unhandled 'error' event\r\n      } else {\r\n        throw new Error(\"Uncaught, unspecified 'error' event.\");\r\n      }\r\n      return false;\r\n    }\r\n\r\n    return !!this._all;\r\n  };\r\n\r\n  EventEmitter.prototype.emitAsync = function() {\r\n\r\n    this._events || init.call(this);\r\n\r\n    var type = arguments[0];\r\n\r\n    if (type === 'newListener' && !this.newListener) {\r\n        if (!this._events.newListener) { return Promise.resolve([false]); }\r\n    }\r\n\r\n    var promises= [];\r\n\r\n    var al = arguments.length;\r\n    var args,l,i,j;\r\n    var handler;\r\n\r\n    if (this._all) {\r\n      if (al > 3) {\r\n        args = new Array(al);\r\n        for (j = 1; j < al; j++) args[j] = arguments[j];\r\n      }\r\n      for (i = 0, l = this._all.length; i < l; i++) {\r\n        this.event = type;\r\n        switch (al) {\r\n        case 1:\r\n          promises.push(this._all[i].call(this, type));\r\n          break;\r\n        case 2:\r\n          promises.push(this._all[i].call(this, type, arguments[1]));\r\n          break;\r\n        case 3:\r\n          promises.push(this._all[i].call(this, type, arguments[1], arguments[2]));\r\n          break;\r\n        default:\r\n          promises.push(this._all[i].apply(this, args));\r\n        }\r\n      }\r\n    }\r\n\r\n    if (this.wildcard) {\r\n      handler = [];\r\n      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n      searchListenerTree.call(this, handler, ns, this.listenerTree, 0);\r\n    } else {\r\n      handler = this._events[type];\r\n    }\r\n\r\n    if (typeof handler === 'function') {\r\n      this.event = type;\r\n      switch (al) {\r\n      case 1:\r\n        promises.push(handler.call(this));\r\n        break;\r\n      case 2:\r\n        promises.push(handler.call(this, arguments[1]));\r\n        break;\r\n      case 3:\r\n        promises.push(handler.call(this, arguments[1], arguments[2]));\r\n        break;\r\n      default:\r\n        args = new Array(al - 1);\r\n        for (j = 1; j < al; j++) args[j - 1] = arguments[j];\r\n        promises.push(handler.apply(this, args));\r\n      }\r\n    } else if (handler && handler.length) {\r\n      if (al > 3) {\r\n        args = new Array(al - 1);\r\n        for (j = 1; j < al; j++) args[j - 1] = arguments[j];\r\n      }\r\n      for (i = 0, l = handler.length; i < l; i++) {\r\n        this.event = type;\r\n        switch (al) {\r\n        case 1:\r\n          promises.push(handler[i].call(this));\r\n          break;\r\n        case 2:\r\n          promises.push(handler[i].call(this, arguments[1]));\r\n          break;\r\n        case 3:\r\n          promises.push(handler[i].call(this, arguments[1], arguments[2]));\r\n          break;\r\n        default:\r\n          promises.push(handler[i].apply(this, args));\r\n        }\r\n      }\r\n    } else if (!this._all && type === 'error') {\r\n      if (arguments[1] instanceof Error) {\r\n        return Promise.reject(arguments[1]); // Unhandled 'error' event\r\n      } else {\r\n        return Promise.reject(\"Uncaught, unspecified 'error' event.\");\r\n      }\r\n    }\r\n\r\n    return Promise.all(promises);\r\n  };\r\n\r\n  EventEmitter.prototype.on = function(type, listener) {\r\n\r\n    if (typeof type === 'function') {\r\n      this.onAny(type);\r\n      return this;\r\n    }\r\n\r\n    if (typeof listener !== 'function') {\r\n      throw new Error('on only accepts instances of Function');\r\n    }\r\n    this._events || init.call(this);\r\n\r\n    // To avoid recursion in the case that type == \"newListeners\"! Before\r\n    // adding it to the listeners, first emit \"newListeners\".\r\n    this.emit('newListener', type, listener);\r\n\r\n    if(this.wildcard) {\r\n      growListenerTree.call(this, type, listener);\r\n      return this;\r\n    }\r\n\r\n    if (!this._events[type]) {\r\n      // Optimize the case of one listener. Don't need the extra array object.\r\n      this._events[type] = listener;\r\n    }\r\n    else if(typeof this._events[type] === 'function') {\r\n      // Adding the second element, need to change to array.\r\n      this._events[type] = [this._events[type], listener];\r\n    }\r\n    else if (isArray(this._events[type])) {\r\n      // If we've already got an array, just append.\r\n      this._events[type].push(listener);\r\n\r\n      // Check for listener leak\r\n      if (!this._events[type].warned) {\r\n\r\n        var m = defaultMaxListeners;\r\n\r\n        if (typeof this._events.maxListeners !== 'undefined') {\r\n          m = this._events.maxListeners;\r\n        }\r\n\r\n        if (m > 0 && this._events[type].length > m) {\r\n\r\n          this._events[type].warned = true;\r\n          console.error('(node) warning: possible EventEmitter memory ' +\r\n                        'leak detected. %d listeners added. ' +\r\n                        'Use emitter.setMaxListeners() to increase limit.',\r\n                        this._events[type].length);\r\n          if(console.trace){\r\n            console.trace();\r\n          }\r\n        }\r\n      }\r\n    }\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.onAny = function(fn) {\r\n\r\n    if (typeof fn !== 'function') {\r\n      throw new Error('onAny only accepts instances of Function');\r\n    }\r\n\r\n    if(!this._all) {\r\n      this._all = [];\r\n    }\r\n\r\n    // Add the function to the event listener collection.\r\n    this._all.push(fn);\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.addListener = EventEmitter.prototype.on;\r\n\r\n  EventEmitter.prototype.off = function(type, listener) {\r\n    if (typeof listener !== 'function') {\r\n      throw new Error('removeListener only takes instances of Function');\r\n    }\r\n\r\n    var handlers,leafs=[];\r\n\r\n    if(this.wildcard) {\r\n      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n      leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);\r\n    }\r\n    else {\r\n      // does not use listeners(), so no side effect of creating _events[type]\r\n      if (!this._events[type]) return this;\r\n      handlers = this._events[type];\r\n      leafs.push({_listeners:handlers});\r\n    }\r\n\r\n    for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {\r\n      var leaf = leafs[iLeaf];\r\n      handlers = leaf._listeners;\r\n      if (isArray(handlers)) {\r\n\r\n        var position = -1;\r\n\r\n        for (var i = 0, length = handlers.length; i < length; i++) {\r\n          if (handlers[i] === listener ||\r\n            (handlers[i].listener && handlers[i].listener === listener) ||\r\n            (handlers[i]._origin && handlers[i]._origin === listener)) {\r\n            position = i;\r\n            break;\r\n          }\r\n        }\r\n\r\n        if (position < 0) {\r\n          continue;\r\n        }\r\n\r\n        if(this.wildcard) {\r\n          leaf._listeners.splice(position, 1);\r\n        }\r\n        else {\r\n          this._events[type].splice(position, 1);\r\n        }\r\n\r\n        if (handlers.length === 0) {\r\n          if(this.wildcard) {\r\n            delete leaf._listeners;\r\n          }\r\n          else {\r\n            delete this._events[type];\r\n          }\r\n        }\r\n\r\n        this.emit(\"removeListener\", type, listener);\r\n\r\n        return this;\r\n      }\r\n      else if (handlers === listener ||\r\n        (handlers.listener && handlers.listener === listener) ||\r\n        (handlers._origin && handlers._origin === listener)) {\r\n        if(this.wildcard) {\r\n          delete leaf._listeners;\r\n        }\r\n        else {\r\n          delete this._events[type];\r\n        }\r\n\r\n        this.emit(\"removeListener\", type, listener);\r\n      }\r\n    }\r\n\r\n    function recursivelyGarbageCollect(root) {\r\n      if (root === undefined) {\r\n        return;\r\n      }\r\n      var keys = Object.keys(root);\r\n      for (var i in keys) {\r\n        var key = keys[i];\r\n        var obj = root[key];\r\n        if ((obj instanceof Function) || (typeof obj !== \"object\"))\r\n          continue;\r\n        if (Object.keys(obj).length > 0) {\r\n          recursivelyGarbageCollect(root[key]);\r\n        }\r\n        if (Object.keys(obj).length === 0) {\r\n          delete root[key];\r\n        }\r\n      }\r\n    }\r\n    recursivelyGarbageCollect(this.listenerTree);\r\n\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.offAny = function(fn) {\r\n    var i = 0, l = 0, fns;\r\n    if (fn && this._all && this._all.length > 0) {\r\n      fns = this._all;\r\n      for(i = 0, l = fns.length; i < l; i++) {\r\n        if(fn === fns[i]) {\r\n          fns.splice(i, 1);\r\n          this.emit(\"removeListenerAny\", fn);\r\n          return this;\r\n        }\r\n      }\r\n    } else {\r\n      fns = this._all;\r\n      for(i = 0, l = fns.length; i < l; i++)\r\n        this.emit(\"removeListenerAny\", fns[i]);\r\n      this._all = [];\r\n    }\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.removeListener = EventEmitter.prototype.off;\r\n\r\n  EventEmitter.prototype.removeAllListeners = function(type) {\r\n    if (arguments.length === 0) {\r\n      !this._events || init.call(this);\r\n      return this;\r\n    }\r\n\r\n    if(this.wildcard) {\r\n      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n      var leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);\r\n\r\n      for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {\r\n        var leaf = leafs[iLeaf];\r\n        leaf._listeners = null;\r\n      }\r\n    }\r\n    else {\r\n      if (!this._events || !this._events[type]) return this;\r\n      this._events[type] = null;\r\n    }\r\n    return this;\r\n  };\r\n\r\n  EventEmitter.prototype.listeners = function(type) {\r\n    if(this.wildcard) {\r\n      var handlers = [];\r\n      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();\r\n      searchListenerTree.call(this, handlers, ns, this.listenerTree, 0);\r\n      return handlers;\r\n    }\r\n\r\n    this._events || init.call(this);\r\n\r\n    if (!this._events[type]) this._events[type] = [];\r\n    if (!isArray(this._events[type])) {\r\n      this._events[type] = [this._events[type]];\r\n    }\r\n    return this._events[type];\r\n  };\r\n\r\n  EventEmitter.prototype.listenersAny = function() {\r\n\r\n    if(this._all) {\r\n      return this._all;\r\n    }\r\n    else {\r\n      return [];\r\n    }\r\n\r\n  };\r\n\r\n  if (typeof define === 'function' && define.amd) {\r\n     // AMD. Register as an anonymous module.\r\n    define(function() {\r\n      return EventEmitter;\r\n    });\r\n  } else if (typeof exports === 'object') {\r\n    // CommonJS\r\n    module.exports = EventEmitter;\r\n  }\r\n  else {\r\n    // Browser global.\r\n    window.EventEmitter2 = EventEmitter;\r\n  }\r\n}();\r\n","var isTag = require(\"domelementtype\").isTag;\n\nmodule.exports = {\n\tfilter: filter,\n\tfind: find,\n\tfindOneChild: findOneChild,\n\tfindOne: findOne,\n\texistsOne: existsOne,\n\tfindAll: findAll\n};\n\nfunction filter(test, element, recurse, limit){\n\tif(!Array.isArray(element)) element = [element];\n\n\tif(typeof limit !== \"number\" || !isFinite(limit)){\n\t\tlimit = Infinity;\n\t}\n\treturn find(test, element, recurse !== false, limit);\n}\n\nfunction find(test, elems, recurse, limit){\n\tvar result = [], childs;\n\n\tfor(var i = 0, j = elems.length; i < j; i++){\n\t\tif(test(elems[i])){\n\t\t\tresult.push(elems[i]);\n\t\t\tif(--limit <= 0) break;\n\t\t}\n\n\t\tchilds = elems[i].children;\n\t\tif(recurse && childs && childs.length > 0){\n\t\t\tchilds = find(test, childs, recurse, limit);\n\t\t\tresult = result.concat(childs);\n\t\t\tlimit -= childs.length;\n\t\t\tif(limit <= 0) break;\n\t\t}\n\t}\n\n\treturn result;\n}\n\nfunction findOneChild(test, elems){\n\tfor(var i = 0, l = elems.length; i < l; i++){\n\t\tif(test(elems[i])) return elems[i];\n\t}\n\n\treturn null;\n}\n\nfunction findOne(test, elems){\n\tvar elem = null;\n\n\tfor(var i = 0, l = elems.length; i < l && !elem; i++){\n\t\tif(!isTag(elems[i])){\n\t\t\tcontinue;\n\t\t} else if(test(elems[i])){\n\t\t\telem = elems[i];\n\t\t} else if(elems[i].children.length > 0){\n\t\t\telem = findOne(test, elems[i].children);\n\t\t}\n\t}\n\n\treturn elem;\n}\n\nfunction existsOne(test, elems){\n\tfor(var i = 0, l = elems.length; i < l; i++){\n\t\tif(\n\t\t\tisTag(elems[i]) && (\n\t\t\t\ttest(elems[i]) || (\n\t\t\t\t\telems[i].children.length > 0 &&\n\t\t\t\t\texistsOne(test, elems[i].children)\n\t\t\t\t)\n\t\t\t)\n\t\t){\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\nfunction findAll(test, rootElems){\n\tvar result = [];\n\tvar stack = rootElems.slice();\n\twhile(stack.length){\n\t\tvar elem = stack.shift();\n\t\tif(!isTag(elem)) continue;\n\t\tif (elem.children && elem.children.length > 0) {\n\t\t\tstack.unshift.apply(stack, elem.children);\n\t\t}\n\t\tif(test(elem)) result.push(elem);\n\t}\n\treturn result;\n}\n","\"use strict\";\n\nmodule.exports = CSSselect;\n\nvar Pseudos       = require(\"./lib/pseudos.js\"),\n    DomUtils      = require(\"domutils\"),\n    findOne       = DomUtils.findOne,\n    findAll       = DomUtils.findAll,\n    getChildren   = DomUtils.getChildren,\n    removeSubsets = DomUtils.removeSubsets,\n    falseFunc     = require(\"boolbase\").falseFunc,\n    compile       = require(\"./lib/compile.js\"),\n    compileUnsafe = compile.compileUnsafe,\n    compileToken  = compile.compileToken;\n\nfunction getSelectorFunc(searchFunc){\n\treturn function select(query, elems, options){\n        if(typeof query !== \"function\") query = compileUnsafe(query, options, elems);\n        if(!Array.isArray(elems)) elems = getChildren(elems);\n\t\telse elems = removeSubsets(elems);\n\t\treturn searchFunc(query, elems);\n\t};\n}\n\nvar selectAll = getSelectorFunc(function selectAll(query, elems){\n\treturn (query === falseFunc || !elems || elems.length === 0) ? [] : findAll(query, elems);\n});\n\nvar selectOne = getSelectorFunc(function selectOne(query, elems){\n\treturn (query === falseFunc || !elems || elems.length === 0) ? null : findOne(query, elems);\n});\n\nfunction is(elem, query, options){\n\treturn (typeof query === \"function\" ? query : compile(query, options))(elem);\n}\n\n/*\n\tthe exported interface\n*/\nfunction CSSselect(query, elems, options){\n\treturn selectAll(query, elems, options);\n}\n\nCSSselect.compile = compile;\nCSSselect.filters = Pseudos.filters;\nCSSselect.pseudos = Pseudos.pseudos;\n\nCSSselect.selectAll = selectAll;\nCSSselect.selectOne = selectOne;\n\nCSSselect.is = is;\n\n//legacy methods (might be removed)\nCSSselect.parse = compile;\nCSSselect.iterate = selectAll;\n\n//hooks\nCSSselect._compileUnsafe = compileUnsafe;\nCSSselect._compileToken = compileToken;\n","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = void 0;\nvar xml_json_1 = __importDefault(require(\"./maps/xml.json\"));\nvar inverseXML = getInverseObj(xml_json_1.default);\nvar xmlReplacer = getInverseReplacer(inverseXML);\n/**\n * Encodes all non-ASCII characters, as well as characters not valid in XML\n * documents using XML entities.\n *\n * If a character has no equivalent entity, a\n * numeric hexadecimal reference (eg. `&#xfc;`) will be used.\n */\nexports.encodeXML = getASCIIEncoder(inverseXML);\nvar entities_json_1 = __importDefault(require(\"./maps/entities.json\"));\nvar inverseHTML = getInverseObj(entities_json_1.default);\nvar htmlReplacer = getInverseReplacer(inverseHTML);\n/**\n * Encodes all entities and non-ASCII characters in the input.\n *\n * This includes characters that are valid ASCII characters in HTML documents.\n * For example `#` will be encoded as `&num;`. To get a more compact output,\n * consider using the `encodeNonAsciiHTML` function.\n *\n * If a character has no equivalent entity, a\n * numeric hexadecimal reference (eg. `&#xfc;`) will be used.\n */\nexports.encodeHTML = getInverse(inverseHTML, htmlReplacer);\n/**\n * Encodes all non-ASCII characters, as well as characters not valid in HTML\n * documents using HTML entities.\n *\n * If a character has no equivalent entity, a\n * numeric hexadecimal reference (eg. `&#xfc;`) will be used.\n */\nexports.encodeNonAsciiHTML = getASCIIEncoder(inverseHTML);\nfunction getInverseObj(obj) {\n    return Object.keys(obj)\n        .sort()\n        .reduce(function (inverse, name) {\n        inverse[obj[name]] = \"&\" + name + \";\";\n        return inverse;\n    }, {});\n}\nfunction getInverseReplacer(inverse) {\n    var single = [];\n    var multiple = [];\n    for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) {\n        var k = _a[_i];\n        if (k.length === 1) {\n            // Add value to single array\n            single.push(\"\\\\\" + k);\n        }\n        else {\n            // Add value to multiple array\n            multiple.push(k);\n        }\n    }\n    // Add ranges to single characters.\n    single.sort();\n    for (var start = 0; start < single.length - 1; start++) {\n        // Find the end of a run of characters\n        var end = start;\n        while (end < single.length - 1 &&\n            single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) {\n            end += 1;\n        }\n        var count = 1 + end - start;\n        // We want to replace at least three characters\n        if (count < 3)\n            continue;\n        single.splice(start, count, single[start] + \"-\" + single[end]);\n    }\n    multiple.unshift(\"[\" + single.join(\"\") + \"]\");\n    return new RegExp(multiple.join(\"|\"), \"g\");\n}\n// /[^\\0-\\x7F]/gu\nvar reNonASCII = /(?:[\\x80-\\uD7FF\\uE000-\\uFFFF]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF])/g;\nvar getCodePoint = \n// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\nString.prototype.codePointAt != null\n    ? // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n        function (str) { return str.codePointAt(0); }\n    : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n        function (c) {\n            return (c.charCodeAt(0) - 0xd800) * 0x400 +\n                c.charCodeAt(1) -\n                0xdc00 +\n                0x10000;\n        };\nfunction singleCharReplacer(c) {\n    return \"&#x\" + (c.length > 1 ? getCodePoint(c) : c.charCodeAt(0))\n        .toString(16)\n        .toUpperCase() + \";\";\n}\nfunction getInverse(inverse, re) {\n    return function (data) {\n        return data\n            .replace(re, function (name) { return inverse[name]; })\n            .replace(reNonASCII, singleCharReplacer);\n    };\n}\nvar reEscapeChars = new RegExp(xmlReplacer.source + \"|\" + reNonASCII.source, \"g\");\n/**\n * Encodes all non-ASCII characters, as well as characters not valid in XML\n * documents using numeric hexadecimal reference (eg. `&#xfc;`).\n *\n * Have a look at `escapeUTF8` if you want a more concise output at the expense\n * of reduced transportability.\n *\n * @param data String to escape.\n */\nfunction escape(data) {\n    return data.replace(reEscapeChars, singleCharReplacer);\n}\nexports.escape = escape;\n/**\n * Encodes all characters not valid in XML documents using numeric hexadecimal\n * reference (eg. `&#xfc;`).\n *\n * Note that the output will be character-set dependent.\n *\n * @param data String to escape.\n */\nfunction escapeUTF8(data) {\n    return data.replace(xmlReplacer, singleCharReplacer);\n}\nexports.escapeUTF8 = escapeUTF8;\nfunction getASCIIEncoder(obj) {\n    return function (data) {\n        return data.replace(reEscapeChars, function (c) { return obj[c] || singleCharReplacer(c); });\n    };\n}\n","exports.removeElement = function(elem){\n\tif(elem.prev) elem.prev.next = elem.next;\n\tif(elem.next) elem.next.prev = elem.prev;\n\n\tif(elem.parent){\n\t\tvar childs = elem.parent.children;\n\t\tchilds.splice(childs.lastIndexOf(elem), 1);\n\t}\n};\n\nexports.replaceElement = function(elem, replacement){\n\tvar prev = replacement.prev = elem.prev;\n\tif(prev){\n\t\tprev.next = replacement;\n\t}\n\n\tvar next = replacement.next = elem.next;\n\tif(next){\n\t\tnext.prev = replacement;\n\t}\n\n\tvar parent = replacement.parent = elem.parent;\n\tif(parent){\n\t\tvar childs = parent.children;\n\t\tchilds[childs.lastIndexOf(elem)] = replacement;\n\t}\n};\n\nexports.appendChild = function(elem, child){\n\tchild.parent = elem;\n\n\tif(elem.children.push(child) !== 1){\n\t\tvar sibling = elem.children[elem.children.length - 2];\n\t\tsibling.next = child;\n\t\tchild.prev = sibling;\n\t\tchild.next = null;\n\t}\n};\n\nexports.append = function(elem, next){\n\tvar parent = elem.parent,\n\t\tcurrNext = elem.next;\n\n\tnext.next = currNext;\n\tnext.prev = elem;\n\telem.next = next;\n\tnext.parent = parent;\n\n\tif(currNext){\n\t\tcurrNext.prev = next;\n\t\tif(parent){\n\t\t\tvar childs = parent.children;\n\t\t\tchilds.splice(childs.lastIndexOf(currNext), 0, next);\n\t\t}\n\t} else if(parent){\n\t\tparent.children.push(next);\n\t}\n};\n\nexports.prepend = function(elem, prev){\n\tvar parent = elem.parent;\n\tif(parent){\n\t\tvar childs = parent.children;\n\t\tchilds.splice(childs.lastIndexOf(elem), 0, prev);\n\t}\n\n\tif(elem.prev){\n\t\telem.prev.next = prev;\n\t}\n\t\n\tprev.parent = parent;\n\tprev.prev = elem.prev;\n\tprev.next = elem;\n\telem.prev = prev;\n};\n\n\n","var isTag = require(\"domelementtype\").isTag;\n\nmodule.exports = {\n\tfilter: filter,\n\tfind: find,\n\tfindOneChild: findOneChild,\n\tfindOne: findOne,\n\texistsOne: existsOne,\n\tfindAll: findAll\n};\n\nfunction filter(test, element, recurse, limit){\n\tif(!Array.isArray(element)) element = [element];\n\n\tif(typeof limit !== \"number\" || !isFinite(limit)){\n\t\tlimit = Infinity;\n\t}\n\treturn find(test, element, recurse !== false, limit);\n}\n\nfunction find(test, elems, recurse, limit){\n\tvar result = [], childs;\n\n\tfor(var i = 0, j = elems.length; i < j; i++){\n\t\tif(test(elems[i])){\n\t\t\tresult.push(elems[i]);\n\t\t\tif(--limit <= 0) break;\n\t\t}\n\n\t\tchilds = elems[i].children;\n\t\tif(recurse && childs && childs.length > 0){\n\t\t\tchilds = find(test, childs, recurse, limit);\n\t\t\tresult = result.concat(childs);\n\t\t\tlimit -= childs.length;\n\t\t\tif(limit <= 0) break;\n\t\t}\n\t}\n\n\treturn result;\n}\n\nfunction findOneChild(test, elems){\n\tfor(var i = 0, l = elems.length; i < l; i++){\n\t\tif(test(elems[i])) return elems[i];\n\t}\n\n\treturn null;\n}\n\nfunction findOne(test, elems){\n\tvar elem = null;\n\n\tfor(var i = 0, l = elems.length; i < l && !elem; i++){\n\t\tif(!isTag(elems[i])){\n\t\t\tcontinue;\n\t\t} else if(test(elems[i])){\n\t\t\telem = elems[i];\n\t\t} else if(elems[i].children.length > 0){\n\t\t\telem = findOne(test, elems[i].children);\n\t\t}\n\t}\n\n\treturn elem;\n}\n\nfunction existsOne(test, elems){\n\tfor(var i = 0, l = elems.length; i < l; i++){\n\t\tif(\n\t\t\tisTag(elems[i]) && (\n\t\t\t\ttest(elems[i]) || (\n\t\t\t\t\telems[i].children.length > 0 &&\n\t\t\t\t\texistsOne(test, elems[i].children)\n\t\t\t\t)\n\t\t\t)\n\t\t){\n\t\t\treturn true;\n\t\t}\n\t}\n\n\treturn false;\n}\n\nfunction findAll(test, elems){\n\tvar result = [];\n\tfor(var i = 0, j = elems.length; i < j; i++){\n\t\tif(!isTag(elems[i])) continue;\n\t\tif(test(elems[i])) result.push(elems[i]);\n\n\t\tif(elems[i].children.length > 0){\n\t\t\tresult = result.concat(findAll(test, elems[i].children));\n\t\t}\n\t}\n\treturn result;\n}\n","/**\n * Export cheerio (with )\n */\n\nexports = module.exports = require('./lib/cheerio');\n\n/*\n  Export the version\n*/\n\nexports.version = require('./package.json').version;\n","var _ = require('lodash'),\n    domEach = require('../utils').domEach;\nvar toString = Object.prototype.toString;\n\n/**\n * Set / Get css.\n *\n * @param {String|Object} prop\n * @param {String} val\n * @return {self}\n * @api public\n */\n\nexports.css = function(prop, val) {\n  if (arguments.length === 2 ||\n    // When `prop` is a \"plain\" object\n    (toString.call(prop) === '[object Object]')) {\n    return domEach(this, function(idx, el) {\n      setCss(el, prop, val, idx);\n    });\n  } else {\n    return getCss(this[0], prop);\n  }\n};\n\n/**\n * Set styles of all elements.\n *\n * @param {String|Object} prop\n * @param {String} val\n * @param {Number} idx - optional index within the selection\n * @return {self}\n * @api private\n */\n\nfunction setCss(el, prop, val, idx) {\n  if ('string' == typeof prop) {\n    var styles = getCss(el);\n    if (typeof val === 'function') {\n      val = val.call(el, idx, styles[prop]);\n    }\n\n    if (val === '') {\n      delete styles[prop];\n    } else if (val != null) {\n      styles[prop] = val;\n    }\n\n    el.attribs.style = stringify(styles);\n  } else if ('object' == typeof prop) {\n    Object.keys(prop).forEach(function(k){\n      setCss(el, k, prop[k]);\n    });\n  }\n}\n\n/**\n * Get parsed styles of the first element.\n *\n * @param {String} prop\n * @return {Object}\n * @api private\n */\n\nfunction getCss(el, prop) {\n  var styles = parse(el.attribs.style);\n  if (typeof prop === 'string') {\n    return styles[prop];\n  } else if (Array.isArray(prop)) {\n    return _.pick(styles, prop);\n  } else {\n    return styles;\n  }\n}\n\n/**\n * Stringify `obj` to styles.\n *\n * @param {Object} obj\n * @return {Object}\n * @api private\n */\n\nfunction stringify(obj) {\n  return Object.keys(obj || {})\n    .reduce(function(str, prop){\n      return str += ''\n        + (str ? ' ' : '')\n        + prop\n        + ': '\n        + obj[prop]\n        + ';';\n    }, '');\n}\n\n/**\n * Parse `styles`.\n *\n * @param {String} styles\n * @return {Object}\n * @api private\n */\n\nfunction parse(styles) {\n  styles = (styles || '').trim();\n\n  if (!styles) return {};\n\n  return styles\n    .split(';')\n    .reduce(function(obj, str){\n      var n = str.indexOf(':');\n      // skip if there is no :, or if it is the first/last character\n      if (n < 1 || n === str.length-1) return obj;\n      obj[str.slice(0,n).trim()] = str.slice(n+1).trim();\n      return obj;\n    }, {});\n}\n","import Ripple from 'vuetify/lib/directives/ripple';\n\nvar render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',[(_vm.preview !== null)?_c('div',{directives:[{def: Ripple,name:\"ripple\",rawName:\"v-ripple\"}],staticClass:\"link-preview\",on:{\"click\":_vm.open}},[_c('img',{attrs:{\"src\":_vm.image}}),_c('div',{staticClass:\"link-text text-truncate\"},[_c('div',{staticClass:\"overline text-truncate font-weight-light\"},[_vm._v(_vm._s(_vm.site))]),_c('div',{staticClass:\"text-body-1 font-weight-bold text-truncate\"},[_vm._v(\" \"+_vm._s(_vm.title)+\" \")]),_c('div',{staticClass:\"text-subtitle-2 text-truncate\"},[_vm._v(_vm._s(_vm.desc))])])]):_vm._e()])}\nvar staticRenderFns = []\n\nexport { render, staticRenderFns }","export const CONSTANTS = {\n    REGEX_VALID_URL: new RegExp(\"^\" +\n        // protocol identifier\n        \"(?:(?:https?|ftp)://)\" +\n        // user:pass authentication\n        \"(?:\\\\S+(?::\\\\S*)?@)?\" +\n        \"(?:\" +\n        // IP address exclusion\n        // private & local networks\n        \"(?!(?:10|127)(?:\\\\.\\\\d{1,3}){3})\" +\n        \"(?!(?:169\\\\.254|192\\\\.168)(?:\\\\.\\\\d{1,3}){2})\" +\n        \"(?!172\\\\.(?:1[6-9]|2\\\\d|3[0-1])(?:\\\\.\\\\d{1,3}){2})\" +\n        // IP address dotted notation octets\n        // excludes loopback network 0.0.0.0\n        // excludes reserved space >= 224.0.0.0\n        // excludes network & broacast addresses\n        // (first & last IP address of each class)\n        \"(?:[1-9]\\\\d?|1\\\\d\\\\d|2[01]\\\\d|22[0-3])\" +\n        \"(?:\\\\.(?:1?\\\\d{1,2}|2[0-4]\\\\d|25[0-5])){2}\" +\n        \"(?:\\\\.(?:[1-9]\\\\d?|1\\\\d\\\\d|2[0-4]\\\\d|25[0-4]))\" +\n        \"|\" +\n        // host name\n        \"(?:(?:[a-z\\\\u00a1-\\\\uffff0-9]-*)*[a-z\\\\u00a1-\\\\uffff0-9]+)\" +\n        // domain name\n        \"(?:\\\\.(?:[a-z\\\\u00a1-\\\\uffff0-9]-*)*[a-z\\\\u00a1-\\\\uffff0-9]+)*\" +\n        // TLD identifier\n        \"(?:\\\\.(?:[a-z\\\\u00a1-\\\\uffff]{2,}))\" +\n        // TLD may end with dot\n        \"\\\\.?\" +\n        \")\" +\n        // port number\n        \"(?::\\\\d{2,5})?\" +\n        // resource path\n        \"(?:[/?#]\\\\S*)?\" +\n        \"$\", \"i\"),\n    REGEX_CONTENT_TYPE_IMAGE: new RegExp(\"image/.*\", \"i\"),\n    REGEX_CONTENT_TYPE_AUDIO: new RegExp(\"audio/.*\", \"i\"),\n    REGEX_CONTENT_TYPE_VIDEO: new RegExp(\"video/.*\", \"i\"),\n    REGEX_CONTENT_TYPE_TEXT: new RegExp(\"text/.*\", \"i\"),\n    REGEX_CONTENT_TYPE_APPLICATION: new RegExp(\"application/.*\", \"i\")\n};\n","var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n    return new (P || (P = Promise))(function (resolve, reject) {\n        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n        function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n        step((generator = generator.apply(thisArg, _arguments || [])).next());\n    });\n};\nimport cheerio from \"cheerio-without-node-native\";\nimport { fetch } from \"cross-fetch\";\nimport urlObj from \"url\";\nimport { CONSTANTS } from \"./constants\";\nconst metaTag = (doc, type, attr) => {\n    const nodes = doc(`meta[${attr}='${type}']`);\n    return nodes.length ? nodes : null;\n};\nconst metaTagContent = (doc, type, attr) => doc(`meta[${attr}='${type}']`).attr(`content`);\nfunction getTitle(doc) {\n    let title = metaTagContent(doc, `og:title`, `property`) || metaTagContent(doc, `og:title`, `name`);\n    if (!title) {\n        title = doc(`title`).text();\n    }\n    return title;\n}\nfunction getSiteName(doc) {\n    const siteName = metaTagContent(doc, `og:site_name`, `property`) || metaTagContent(doc, `og:site_name`, `name`);\n    return siteName;\n}\nfunction getDescription(doc) {\n    const description = metaTagContent(doc, `description`, `name`) || metaTagContent(doc, `Description`, `name`) || metaTagContent(doc, `og:description`, `property`);\n    return description;\n}\nfunction getMediaType(doc) {\n    const node = metaTag(doc, `medium`, `name`);\n    if (node) {\n        const content = node.attr(`content`);\n        return content === `image` ? `photo` : content;\n    }\n    return (metaTagContent(doc, `og:type`, `property`) || metaTagContent(doc, `og:type`, `name`));\n}\nfunction getImages(doc, rootUrl, imagesPropertyType) {\n    let images = [];\n    let nodes;\n    let src;\n    let dic = {};\n    const imagePropertyType = imagesPropertyType !== null && imagesPropertyType !== void 0 ? imagesPropertyType : `og`;\n    nodes = metaTag(doc, `${imagePropertyType}:image`, `property`) || metaTag(doc, `${imagePropertyType}:image`, `name`);\n    if (nodes) {\n        nodes.each((_, node) => {\n            src = node.attribs.content;\n            if (src) {\n                src = urlObj.resolve(rootUrl, src);\n                images.push(src);\n            }\n        });\n    }\n    if (images.length <= 0 && !imagesPropertyType) {\n        src = doc(`link[rel=image_src]`).attr(`href`);\n        if (src) {\n            src = urlObj.resolve(rootUrl, src);\n            images = [src];\n        }\n        else {\n            nodes = doc(`img`);\n            if (nodes === null || nodes === void 0 ? void 0 : nodes.length) {\n                dic = {};\n                images = [];\n                nodes.each((_, node) => {\n                    src = node.attribs.src;\n                    if (src && !dic[src]) {\n                        dic[src] = true;\n                        // width = node.attribs.width;\n                        // height = node.attribs.height;\n                        images.push(urlObj.resolve(rootUrl, src));\n                    }\n                });\n            }\n        }\n    }\n    return images;\n}\nfunction getVideos(doc) {\n    const videos = [];\n    let nodeTypes;\n    let nodeSecureUrls;\n    let nodeType;\n    let nodeSecureUrl;\n    let video;\n    let videoType;\n    let videoSecureUrl;\n    let width;\n    let height;\n    let videoObj;\n    let index;\n    const nodes = metaTag(doc, `og:video`, `property`) || metaTag(doc, `og:video`, `name`);\n    if (nodes === null || nodes === void 0 ? void 0 : nodes.length) {\n        nodeTypes = metaTag(doc, `og:video:type`, `property`) || metaTag(doc, `og:video:type`, `name`);\n        nodeSecureUrls = metaTag(doc, `og:video:secure_url`, `property`) || metaTag(doc, `og:video:secure_url`, `name`);\n        width = metaTagContent(doc, `og:video:width`, `property`) || metaTagContent(doc, `og:video:width`, `name`);\n        height = metaTagContent(doc, `og:video:height`, `property`) || metaTagContent(doc, `og:video:height`, `name`);\n        for (index = 0; index < nodes.length; index += 1) {\n            video = nodes[index].attribs.content;\n            nodeType = nodeTypes[index];\n            videoType = nodeType ? nodeType.attribs.content : null;\n            nodeSecureUrl = nodeSecureUrls[index];\n            videoSecureUrl = nodeSecureUrl ? nodeSecureUrl.attribs.content : null;\n            videoObj = {\n                url: video,\n                secureUrl: videoSecureUrl,\n                type: videoType,\n                width,\n                height,\n            };\n            if (videoType && videoType.indexOf(`video/`) === 0) {\n                videos.splice(0, 0, videoObj);\n            }\n            else {\n                videos.push(videoObj);\n            }\n        }\n    }\n    return videos;\n}\n// returns default favicon (//hostname/favicon.ico) for a url\nfunction getDefaultFavicon(rootUrl) {\n    return urlObj.resolve(rootUrl, `/favicon.ico`);\n}\n// returns an array of URL's to favicon images\nfunction getFavicons(doc, rootUrl) {\n    const images = [];\n    let nodes = [];\n    let src;\n    const relSelectors = [\n        `rel=icon`,\n        `rel=\"shortcut icon\"`,\n        `rel=apple-touch-icon`,\n    ];\n    relSelectors.forEach((relSelector) => {\n        // look for all icon tags\n        nodes = doc(`link[${relSelector}]`);\n        // collect all images from icon tags\n        if (nodes.length) {\n            nodes.each((_, node) => {\n                src = node.attribs.href;\n                if (src) {\n                    src = urlObj.resolve(rootUrl, src);\n                    images.push(src);\n                }\n            });\n        }\n    });\n    // if no icon images, use default favicon location\n    if (images.length <= 0) {\n        images.push(getDefaultFavicon(rootUrl));\n    }\n    return images;\n}\nfunction parseImageResponse(url, contentType) {\n    return {\n        url,\n        mediaType: `image`,\n        contentType,\n        favicons: [getDefaultFavicon(url)],\n    };\n}\nfunction parseAudioResponse(url, contentType) {\n    return {\n        url,\n        mediaType: `audio`,\n        contentType,\n        favicons: [getDefaultFavicon(url)],\n    };\n}\nfunction parseVideoResponse(url, contentType) {\n    return {\n        url,\n        mediaType: `video`,\n        contentType,\n        favicons: [getDefaultFavicon(url)],\n    };\n}\nfunction parseApplicationResponse(url, contentType) {\n    return {\n        url,\n        mediaType: `application`,\n        contentType,\n        favicons: [getDefaultFavicon(url)],\n    };\n}\nfunction parseTextResponse(body, url, options = {}, contentType) {\n    const doc = cheerio.load(body);\n    return {\n        url,\n        title: getTitle(doc),\n        siteName: getSiteName(doc),\n        description: getDescription(doc),\n        mediaType: getMediaType(doc) || `website`,\n        contentType,\n        images: getImages(doc, url, options.imagesPropertyType),\n        videos: getVideos(doc),\n        favicons: getFavicons(doc, url),\n    };\n}\nfunction parseUnknownResponse(body, url, options = {}, contentType) {\n    return parseTextResponse(body, url, options, contentType);\n}\nfunction parseResponse(response, options) {\n    try {\n        let contentType = response.headers[`content-type`];\n        // console.warn(`original content type`, contentType);\n        if (contentType === null || contentType === void 0 ? void 0 : contentType.indexOf(`;`)) {\n            // eslint-disable-next-line prefer-destructuring\n            contentType = contentType.split(`;`)[0];\n            // console.warn(`splitting content type`, contentType);\n        }\n        if (!contentType) {\n            return parseUnknownResponse(response.data, response.url, options);\n        }\n        if (contentType instanceof Array) {\n            // eslint-disable-next-line no-param-reassign, prefer-destructuring\n            contentType = contentType[0];\n        }\n        // parse response depending on content type\n        if (CONSTANTS.REGEX_CONTENT_TYPE_IMAGE.test(contentType)) {\n            return parseImageResponse(response.url, contentType);\n        }\n        if (CONSTANTS.REGEX_CONTENT_TYPE_AUDIO.test(contentType)) {\n            return parseAudioResponse(response.url, contentType);\n        }\n        if (CONSTANTS.REGEX_CONTENT_TYPE_VIDEO.test(contentType)) {\n            return parseVideoResponse(response.url, contentType);\n        }\n        if (CONSTANTS.REGEX_CONTENT_TYPE_TEXT.test(contentType)) {\n            const htmlString = response.data;\n            return parseTextResponse(htmlString, response.url, options, contentType);\n        }\n        if (CONSTANTS.REGEX_CONTENT_TYPE_APPLICATION.test(contentType)) {\n            return parseApplicationResponse(response.url, contentType);\n        }\n        const htmlString = response.data;\n        return parseUnknownResponse(htmlString, response.url, options);\n    }\n    catch (e) {\n        throw new Error(`link-preview-js could not fetch link information ${e.toString()}`);\n    }\n}\n/**\n * Parses the text, extracts the first link it finds and does a HTTP request\n * to fetch the website content, afterwards it tries to parse the internal HTML\n * and extract the information via meta tags\n * @param text string, text to be parsed\n * @param options ILinkPreviewOptions\n */\nexport function getLinkPreview(text, options) {\n    var _a;\n    return __awaiter(this, void 0, void 0, function* () {\n        if (!text || typeof text !== `string`) {\n            throw new Error(`link-preview-js did not receive a valid url or text`);\n        }\n        const detectedUrl = text.replace(/\\n/g, ` `).split(` `).find((token) => CONSTANTS.REGEX_VALID_URL.test(token));\n        if (!detectedUrl) {\n            throw new Error(`link-preview-js did not receive a valid a url or text`);\n        }\n        const fetchOptions = { headers: (_a = options === null || options === void 0 ? void 0 : options.headers) !== null && _a !== void 0 ? _a : {} };\n        const fetchUrl = (options === null || options === void 0 ? void 0 : options.proxyUrl) ? options.proxyUrl.concat(detectedUrl) : detectedUrl;\n        const response = yield fetch(fetchUrl, fetchOptions);\n        const headers = {};\n        response.headers.forEach((header, key) => {\n            headers[key] = header;\n        });\n        const normalizedResponse = {\n            url: (options === null || options === void 0 ? void 0 : options.proxyUrl) ? response.url.replace(options.proxyUrl, ``)\n                : response.url,\n            headers,\n            data: yield response.text(),\n        };\n        return parseResponse(normalizedResponse, options);\n    });\n}\n/**\n * Skip the library fetching the website for you, instead pass a response object\n * from whatever source you get and use the internal parsing of the HTML to return\n * the necessary information\n * @param response Preview Response\n * @param options IPreviewLinkOptions\n */\nexport function getPreviewFromContent(response, options) {\n    return __awaiter(this, void 0, void 0, function* () {\n        if (!response || typeof response !== `object`) {\n            throw new Error(`link-preview-js did not receive a valid response object`);\n        }\n        if (!response.url) {\n            throw new Error(`link-preview-js did not receive a valid response object`);\n        }\n        return parseResponse(response, options);\n    });\n}\n","import { getLinkPreview } from \"link-preview-js\";\r\nconst cors = \"https://cors-anywhere.herokuapp.com/\";\r\nexport interface Media {\r\n  url: string;\r\n  mediaType: string;\r\n  contentType: string;\r\n  favicons: any[];\r\n}\r\nexport interface Site {\r\n  url: string;\r\n  title: any;\r\n  siteName: any;\r\n  description: any;\r\n  mediaType: any;\r\n  contentType: string | undefined;\r\n  images: string[];\r\n  videos: {\r\n    url: any;\r\n    secureUrl: any;\r\n    type: any;\r\n    width: any;\r\n    height: any;\r\n  }[];\r\n  favicons: any[];\r\n}\r\n\r\nexport const isSite = (prev: Site | Media) => {\r\n  return prev.contentType?.startsWith(\"text/html\") || false;\r\n};\r\n\r\nexport const getPreview = async (link: string) => {\r\n  try {\r\n    const data = (await getLinkPreview(cors + link)) as any;\r\n    if (!data.title) return null;\r\n    data.url = link;\r\n    if (isSite(data)) return data as Site;\r\n    return data as Media;\r\n  } catch (error) {\r\n    return null;\r\n  }\r\n};\r\n","\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\r\nimport Vue from \"vue\";\r\nimport { Component, Prop } from \"vue-property-decorator\";\r\nimport { Site, Media, isSite, getPreview } from \"@/core/utils/linkPreview\";\r\n\r\n@Component\r\nexport default class LinkPreview extends Vue {\r\n  @Prop({ default: () => \"\" }) link!: string;\r\n\r\n  isSite = isSite;\r\n  preview: Site | Media | null = null;\r\n  get site() {\r\n    if (!this.preview || !isSite(this.preview)) return \"\";\r\n    return (this.preview as Site).siteName;\r\n  }\r\n  get title() {\r\n    if (!this.preview || !isSite(this.preview)) return \"\";\r\n    return (this.preview as Site).title;\r\n  }\r\n  get desc() {\r\n    if (!this.preview || !isSite(this.preview)) return \"\";\r\n    return (this.preview as Site).description;\r\n  }\r\n  get image() {\r\n    if (!this.preview) return \"\";\r\n    if (isSite(this.preview) && (this.preview as Site).images.length > 0)\r\n      return (this.preview as Site).images[0];\r\n    return this.preview.favicons[0] as string;\r\n  }\r\n  async fetch() {\r\n    console.log(\"fetching link\", this.link);\r\n    try {\r\n      this.preview = await getPreview(this.link);\r\n    } catch (error) {\r\n      console.log(error);\r\n    }\r\n  }\r\n  open() {\r\n    if (this.preview) window.open(this.preview.url, \"_blank\");\r\n  }\r\n  mounted() {\r\n    this.fetch();\r\n  }\r\n}\r\n","import mod from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--15-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/ts-loader/index.js??ref--15-3!../../../node_modules/cache-loader/dist/cjs.js??ref--1-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./LinkPreview.vue?vue&type=script&lang=ts&\"; export default mod; export * from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--15-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/ts-loader/index.js??ref--15-3!../../../node_modules/cache-loader/dist/cjs.js??ref--1-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./LinkPreview.vue?vue&type=script&lang=ts&\"","import { render, staticRenderFns } from \"./LinkPreview.vue?vue&type=template&id=6f601e90&\"\nimport script from \"./LinkPreview.vue?vue&type=script&lang=ts&\"\nexport * from \"./LinkPreview.vue?vue&type=script&lang=ts&\"\nimport style0 from \"./LinkPreview.vue?vue&type=style&index=0&id=6f601e90&prod&lang=css&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../../node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  null,\n  null\n  \n)\n\nexport default component.exports","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\n// If obj.hasOwnProperty has been overridden, then calling\n// obj.hasOwnProperty(prop) will break.\n// See: https://github.com/joyent/node/issues/1707\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\nmodule.exports = function(qs, sep, eq, options) {\n  sep = sep || '&';\n  eq = eq || '=';\n  var obj = {};\n\n  if (typeof qs !== 'string' || qs.length === 0) {\n    return obj;\n  }\n\n  var regexp = /\\+/g;\n  qs = qs.split(sep);\n\n  var maxKeys = 1000;\n  if (options && typeof options.maxKeys === 'number') {\n    maxKeys = options.maxKeys;\n  }\n\n  var len = qs.length;\n  // maxKeys <= 0 means that we should not limit keys count\n  if (maxKeys > 0 && len > maxKeys) {\n    len = maxKeys;\n  }\n\n  for (var i = 0; i < len; ++i) {\n    var x = qs[i].replace(regexp, '%20'),\n        idx = x.indexOf(eq),\n        kstr, vstr, k, v;\n\n    if (idx >= 0) {\n      kstr = x.substr(0, idx);\n      vstr = x.substr(idx + 1);\n    } else {\n      kstr = x;\n      vstr = '';\n    }\n\n    k = decodeURIComponent(kstr);\n    v = decodeURIComponent(vstr);\n\n    if (!hasOwnProperty(obj, k)) {\n      obj[k] = v;\n    } else if (isArray(obj[k])) {\n      obj[k].push(v);\n    } else {\n      obj[k] = [obj[k], v];\n    }\n  }\n\n  return obj;\n};\n\nvar isArray = Array.isArray || function (xs) {\n  return Object.prototype.toString.call(xs) === '[object Array]';\n};\n","var index = require(\"./index.js\"),\n    DomHandler = index.DomHandler,\n    DomUtils = index.DomUtils;\n\n//TODO: make this a streamable handler\nfunction FeedHandler(callback, options){\n\tthis.init(callback, options);\n}\n\nrequire(\"inherits\")(FeedHandler, DomHandler);\n\nFeedHandler.prototype.init = DomHandler;\n\nfunction getElements(what, where){\n\treturn DomUtils.getElementsByTagName(what, where, true);\n}\nfunction getOneElement(what, where){\n\treturn DomUtils.getElementsByTagName(what, where, true, 1)[0];\n}\nfunction fetch(what, where, recurse){\n\treturn DomUtils.getText(\n\t\tDomUtils.getElementsByTagName(what, where, recurse, 1)\n\t).trim();\n}\n\nfunction addConditionally(obj, prop, what, where, recurse){\n\tvar tmp = fetch(what, where, recurse);\n\tif(tmp) obj[prop] = tmp;\n}\n\nvar isValidFeed = function(value){\n\treturn value === \"rss\" || value === \"feed\" || value === \"rdf:RDF\";\n};\n\nFeedHandler.prototype.onend = function(){\n\tvar feed = {},\n\t    feedRoot = getOneElement(isValidFeed, this.dom),\n\t    tmp, childs;\n\n\tif(feedRoot){\n\t\tif(feedRoot.name === \"feed\"){\n\t\t\tchilds = feedRoot.children;\n\n\t\t\tfeed.type = \"atom\";\n\t\t\taddConditionally(feed, \"id\", \"id\", childs);\n\t\t\taddConditionally(feed, \"title\", \"title\", childs);\n\t\t\tif((tmp = getOneElement(\"link\", childs)) && (tmp = tmp.attribs) && (tmp = tmp.href)) feed.link = tmp;\n\t\t\taddConditionally(feed, \"description\", \"subtitle\", childs);\n\t\t\tif((tmp = fetch(\"updated\", childs))) feed.updated = new Date(tmp);\n\t\t\taddConditionally(feed, \"author\", \"email\", childs, true);\n\n\t\t\tfeed.items = getElements(\"entry\", childs).map(function(item){\n\t\t\t\tvar entry = {}, tmp;\n\n\t\t\t\titem = item.children;\n\n\t\t\t\taddConditionally(entry, \"id\", \"id\", item);\n\t\t\t\taddConditionally(entry, \"title\", \"title\", item);\n\t\t\t\tif((tmp = getOneElement(\"link\", item)) && (tmp = tmp.attribs) && (tmp = tmp.href)) entry.link = tmp;\n\t\t\t\tif((tmp = fetch(\"summary\", item) || fetch(\"content\", item))) entry.description = tmp;\n\t\t\t\tif((tmp = fetch(\"updated\", item))) entry.pubDate = new Date(tmp);\n\t\t\t\treturn entry;\n\t\t\t});\n\t\t} else {\n\t\t\tchilds = getOneElement(\"channel\", feedRoot.children).children;\n\n\t\t\tfeed.type = feedRoot.name.substr(0, 3);\n\t\t\tfeed.id = \"\";\n\t\t\taddConditionally(feed, \"title\", \"title\", childs);\n\t\t\taddConditionally(feed, \"link\", \"link\", childs);\n\t\t\taddConditionally(feed, \"description\", \"description\", childs);\n\t\t\tif((tmp = fetch(\"lastBuildDate\", childs))) feed.updated = new Date(tmp);\n\t\t\taddConditionally(feed, \"author\", \"managingEditor\", childs, true);\n\n\t\t\tfeed.items = getElements(\"item\", feedRoot.children).map(function(item){\n\t\t\t\tvar entry = {}, tmp;\n\n\t\t\t\titem = item.children;\n\n\t\t\t\taddConditionally(entry, \"id\", \"guid\", item);\n\t\t\t\taddConditionally(entry, \"title\", \"title\", item);\n\t\t\t\taddConditionally(entry, \"link\", \"link\", item);\n\t\t\t\taddConditionally(entry, \"description\", \"description\", item);\n\t\t\t\tif((tmp = fetch(\"pubDate\", item))) entry.pubDate = new Date(tmp);\n\t\t\t\treturn entry;\n\t\t\t});\n\t\t}\n\t}\n\tthis.dom = feed;\n\tDomHandler.prototype._handleCallback.call(\n\t\tthis, feedRoot ? null : Error(\"couldn't find root of feed\")\n\t);\n};\n\nmodule.exports = FeedHandler;\n","module.exports = {\n\ttrueFunc: function trueFunc(){\n\t\treturn true;\n\t},\n\tfalseFunc: function falseFunc(){\n\t\treturn false;\n\t}\n};","// removeSubsets\n// Given an array of nodes, remove any member that is contained by another.\nexports.removeSubsets = function(nodes) {\n\tvar idx = nodes.length, node, ancestor, replace;\n\n\t// Check if each node (or one of its ancestors) is already contained in the\n\t// array.\n\twhile (--idx > -1) {\n\t\tnode = ancestor = nodes[idx];\n\n\t\t// Temporarily remove the node under consideration\n\t\tnodes[idx] = null;\n\t\treplace = true;\n\n\t\twhile (ancestor) {\n\t\t\tif (nodes.indexOf(ancestor) > -1) {\n\t\t\t\treplace = false;\n\t\t\t\tnodes.splice(idx, 1);\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tancestor = ancestor.parent;\n\t\t}\n\n\t\t// If the node has been found to be unique, re-insert it.\n\t\tif (replace) {\n\t\t\tnodes[idx] = node;\n\t\t}\n\t}\n\n\treturn nodes;\n};\n\n// Source: http://dom.spec.whatwg.org/#dom-node-comparedocumentposition\nvar POSITION = {\n\tDISCONNECTED: 1,\n\tPRECEDING: 2,\n\tFOLLOWING: 4,\n\tCONTAINS: 8,\n\tCONTAINED_BY: 16\n};\n\n// Compare the position of one node against another node in any other document.\n// The return value is a bitmask with the following values:\n//\n// document order:\n// > There is an ordering, document order, defined on all the nodes in the\n// > document corresponding to the order in which the first character of the\n// > XML representation of each node occurs in the XML representation of the\n// > document after expansion of general entities. Thus, the document element\n// > node will be the first node. Element nodes occur before their children.\n// > Thus, document order orders element nodes in order of the occurrence of\n// > their start-tag in the XML (after expansion of entities). The attribute\n// > nodes of an element occur after the element and before its children. The\n// > relative order of attribute nodes is implementation-dependent./\n// Source:\n// http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order\n//\n// @argument {Node} nodaA The first node to use in the comparison\n// @argument {Node} nodeB The second node to use in the comparison\n//\n// @return {Number} A bitmask describing the input nodes' relative position.\n//         See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for\n//         a description of these values.\nvar comparePos = exports.compareDocumentPosition = function(nodeA, nodeB) {\n\tvar aParents = [];\n\tvar bParents = [];\n\tvar current, sharedParent, siblings, aSibling, bSibling, idx;\n\n\tif (nodeA === nodeB) {\n\t\treturn 0;\n\t}\n\n\tcurrent = nodeA;\n\twhile (current) {\n\t\taParents.unshift(current);\n\t\tcurrent = current.parent;\n\t}\n\tcurrent = nodeB;\n\twhile (current) {\n\t\tbParents.unshift(current);\n\t\tcurrent = current.parent;\n\t}\n\n\tidx = 0;\n\twhile (aParents[idx] === bParents[idx]) {\n\t\tidx++;\n\t}\n\n\tif (idx === 0) {\n\t\treturn POSITION.DISCONNECTED;\n\t}\n\n\tsharedParent = aParents[idx - 1];\n\tsiblings = sharedParent.children;\n\taSibling = aParents[idx];\n\tbSibling = bParents[idx];\n\n\tif (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {\n\t\tif (sharedParent === nodeB) {\n\t\t\treturn POSITION.FOLLOWING | POSITION.CONTAINED_BY;\n\t\t}\n\t\treturn POSITION.FOLLOWING;\n\t} else {\n\t\tif (sharedParent === nodeA) {\n\t\t\treturn POSITION.PRECEDING | POSITION.CONTAINS;\n\t\t}\n\t\treturn POSITION.PRECEDING;\n\t}\n};\n\n// Sort an array of nodes based on their relative position in the document and\n// remove any duplicate nodes. If the array contains nodes that do not belong\n// to the same document, sort order is unspecified.\n//\n// @argument {Array} nodes Array of DOM nodes\n//\n// @returns {Array} collection of unique nodes, sorted in document order\nexports.uniqueSort = function(nodes) {\n\tvar idx = nodes.length, node, position;\n\n\tnodes = nodes.slice();\n\n\twhile (--idx > -1) {\n\t\tnode = nodes[idx];\n\t\tposition = nodes.indexOf(node);\n\t\tif (position > -1 && position < idx) {\n\t\t\tnodes.splice(idx, 1);\n\t\t}\n\t}\n\tnodes.sort(function(a, b) {\n\t\tvar relative = comparePos(a, b);\n\t\tif (relative & POSITION.PRECEDING) {\n\t\t\treturn -1;\n\t\t} else if (relative & POSITION.FOLLOWING) {\n\t\t\treturn 1;\n\t\t}\n\t\treturn 0;\n\t});\n\n\treturn nodes;\n};\n","var _ = require('lodash'),\n    parse = require('../parse'),\n    $ = require('../static'),\n    updateDOM = parse.update,\n    evaluate = parse.evaluate,\n    utils = require('../utils'),\n    domEach = utils.domEach,\n    cloneDom = utils.cloneDom,\n    isHtml = utils.isHtml,\n    slice = Array.prototype.slice;\n\n// Create an array of nodes, recursing into arrays and parsing strings if\n// necessary\nexports._makeDomArray = function makeDomArray(elem, clone) {\n  if (elem == null) {\n    return [];\n  } else if (elem.cheerio) {\n    return clone ? cloneDom(elem.get(), elem.options) : elem.get();\n  } else if (Array.isArray(elem)) {\n    return _.flatten(elem.map(function(el) {\n      return this._makeDomArray(el, clone);\n    }, this));\n  } else if (typeof elem === 'string') {\n    return evaluate(elem, this.options);\n  } else {\n    return clone ? cloneDom([elem]) : [elem];\n  }\n};\n\nvar _insert = function(concatenator) {\n  return function() {\n    var elems = slice.call(arguments),\n        lastIdx = this.length - 1;\n\n    return domEach(this, function(i, el) {\n      var dom, domSrc;\n\n      if (typeof elems[0] === 'function') {\n        domSrc = elems[0].call(el, i, $.html(el.children));\n      } else {\n        domSrc = elems;\n      }\n\n      dom = this._makeDomArray(domSrc, i < lastIdx);\n      concatenator(dom, el.children, el);\n    });\n  };\n};\n\n/*\n * Modify an array in-place, removing some number of elements and adding new\n * elements directly following them.\n *\n * @param {Array} array Target array to splice.\n * @param {Number} spliceIdx Index at which to begin changing the array.\n * @param {Number} spliceCount Number of elements to remove from the array.\n * @param {Array} newElems Elements to insert into the array.\n *\n * @api private\n */\nvar uniqueSplice = function(array, spliceIdx, spliceCount, newElems, parent) {\n  var spliceArgs = [spliceIdx, spliceCount].concat(newElems),\n      prev = array[spliceIdx - 1] || null,\n      next = array[spliceIdx] || null;\n  var idx, len, prevIdx, node, oldParent;\n\n  // Before splicing in new elements, ensure they do not already appear in the\n  // current array.\n  for (idx = 0, len = newElems.length; idx < len; ++idx) {\n    node = newElems[idx];\n    oldParent = node.parent || node.root;\n    prevIdx = oldParent && oldParent.children.indexOf(newElems[idx]);\n\n    if (oldParent && prevIdx > -1) {\n      oldParent.children.splice(prevIdx, 1);\n      if (parent === oldParent && spliceIdx > prevIdx) {\n        spliceArgs[0]--;\n      }\n    }\n\n    node.root = null;\n    node.parent = parent;\n\n    if (node.prev) {\n      node.prev.next = node.next || null;\n    }\n\n    if (node.next) {\n      node.next.prev = node.prev || null;\n    }\n\n    node.prev = newElems[idx - 1] || prev;\n    node.next = newElems[idx + 1] || next;\n  }\n\n  if (prev) {\n    prev.next = newElems[0];\n  }\n  if (next) {\n    next.prev = newElems[newElems.length - 1];\n  }\n  return array.splice.apply(array, spliceArgs);\n};\n\nexports.appendTo = function(target) {\n  if (!target.cheerio) {\n    target = this.constructor.call(this.constructor, target, null, this._originalRoot);\n  }\n\n  target.append(this);\n\n  return this;\n};\n\nexports.prependTo = function(target) {\n  if (!target.cheerio) {\n    target = this.constructor.call(this.constructor, target, null, this._originalRoot);\n  }\n\n  target.prepend(this);\n\n  return this;\n};\n\nexports.append = _insert(function(dom, children, parent) {\n  uniqueSplice(children, children.length, 0, dom, parent);\n});\n\nexports.prepend = _insert(function(dom, children, parent) {\n  uniqueSplice(children, 0, 0, dom, parent);\n});\n\nexports.wrap = function(wrapper) {\n  var wrapperFn = typeof wrapper === 'function' && wrapper,\n      lastIdx = this.length - 1;\n\n  _.forEach(this, _.bind(function(el, i) {\n    var parent = el.parent || el.root,\n        siblings = parent.children,\n        dom, index;\n\n    if (!parent) {\n      return;\n    }\n\n    if (wrapperFn) {\n      wrapper = wrapperFn.call(el, i);\n    }\n\n    if (typeof wrapper === 'string' && !isHtml(wrapper)) {\n      wrapper = this.parents().last().find(wrapper).clone();\n    }\n\n    dom = this._makeDomArray(wrapper, i < lastIdx).slice(0, 1);\n    index = siblings.indexOf(el);\n\n    updateDOM([el], dom[0]);\n    // The previous operation removed the current element from the `siblings`\n    // array, so the `dom` array can be inserted without removing any\n    // additional elements.\n    uniqueSplice(siblings, index, 0, dom, parent);\n  }, this));\n\n  return this;\n};\n\nexports.after = function() {\n  var elems = slice.call(arguments),\n      lastIdx = this.length - 1;\n\n  domEach(this, function(i, el) {\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        index = siblings.indexOf(el),\n        domSrc, dom;\n\n    // If not found, move on\n    if (index < 0) return;\n\n    if (typeof elems[0] === 'function') {\n      domSrc = elems[0].call(el, i, $.html(el.children));\n    } else {\n      domSrc = elems;\n    }\n    dom = this._makeDomArray(domSrc, i < lastIdx);\n\n    // Add element after `this` element\n    uniqueSplice(siblings, index + 1, 0, dom, parent);\n  });\n\n  return this;\n};\n\nexports.insertAfter = function(target) {\n  var clones = [],\n      self = this;\n  if (typeof target === 'string') {\n    target = this.constructor.call(this.constructor, target, null, this._originalRoot);\n  }\n  target = this._makeDomArray(target);\n  self.remove();\n  domEach(target, function(i, el) {\n    var clonedSelf = self._makeDomArray(self.clone());\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        index = siblings.indexOf(el);\n\n    // If not found, move on\n    if (index < 0) return;\n\n    // Add cloned `this` element(s) after target element\n    uniqueSplice(siblings, index + 1, 0, clonedSelf, parent);\n    clones.push(clonedSelf);\n  });\n  return this.constructor.call(this.constructor, this._makeDomArray(clones));\n};\n\nexports.before = function() {\n  var elems = slice.call(arguments),\n      lastIdx = this.length - 1;\n\n  domEach(this, function(i, el) {\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        index = siblings.indexOf(el),\n        domSrc, dom;\n\n    // If not found, move on\n    if (index < 0) return;\n\n    if (typeof elems[0] === 'function') {\n      domSrc = elems[0].call(el, i, $.html(el.children));\n    } else {\n      domSrc = elems;\n    }\n\n    dom = this._makeDomArray(domSrc, i < lastIdx);\n\n    // Add element before `el` element\n    uniqueSplice(siblings, index, 0, dom, parent);\n  });\n\n  return this;\n};\n\nexports.insertBefore = function(target) {\n  var clones = [],\n      self = this;\n  if (typeof target === 'string') {\n    target = this.constructor.call(this.constructor, target, null, this._originalRoot);\n  }\n  target = this._makeDomArray(target);\n  self.remove();\n  domEach(target, function(i, el) {\n    var clonedSelf = self._makeDomArray(self.clone());\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        index = siblings.indexOf(el);\n\n    // If not found, move on\n    if (index < 0) return;\n\n    // Add cloned `this` element(s) after target element\n    uniqueSplice(siblings, index, 0, clonedSelf, parent);\n    clones.push(clonedSelf);\n  });\n  return this.constructor.call(this.constructor, this._makeDomArray(clones));\n};\n\n/*\n  remove([selector])\n*/\nexports.remove = function(selector) {\n  var elems = this;\n\n  // Filter if we have selector\n  if (selector)\n    elems = elems.filter(selector);\n\n  domEach(elems, function(i, el) {\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        index = siblings.indexOf(el);\n\n    if (index < 0) return;\n\n    siblings.splice(index, 1);\n    if (el.prev) {\n      el.prev.next = el.next;\n    }\n    if (el.next) {\n      el.next.prev = el.prev;\n    }\n    el.prev = el.next = el.parent = el.root = null;\n  });\n\n  return this;\n};\n\nexports.replaceWith = function(content) {\n  var self = this;\n\n  domEach(this, function(i, el) {\n    var parent = el.parent || el.root;\n    if (!parent) {\n      return;\n    }\n\n    var siblings = parent.children,\n        dom = self._makeDomArray(typeof content === 'function' ? content.call(el, i, el) : content),\n        index;\n\n    // In the case that `dom` contains nodes that already exist in other\n    // structures, ensure those nodes are properly removed.\n    updateDOM(dom, null);\n\n    index = siblings.indexOf(el);\n\n    // Completely remove old element\n    uniqueSplice(siblings, index, 1, dom, parent);\n    el.parent = el.prev = el.next = el.root = null;\n  });\n\n  return this;\n};\n\nexports.empty = function() {\n  domEach(this, function(i, el) {\n    _.each(el.children, function(el) {\n      el.next = el.prev = el.parent = null;\n    });\n\n    el.children.length = 0;\n  });\n  return this;\n};\n\n/**\n * Set/Get the HTML\n */\nexports.html = function(str) {\n  if (str === undefined) {\n    if (!this[0] || !this[0].children) return null;\n    return $.html(this[0].children, this.options);\n  }\n\n  var opts = this.options;\n\n  domEach(this, function(i, el) {\n    _.each(el.children, function(el) {\n      el.next = el.prev = el.parent = null;\n    });\n\n    var content = str.cheerio ? str.clone().get() : evaluate('' + str, opts);\n\n    updateDOM(content, el);\n  });\n\n  return this;\n};\n\nexports.toString = function() {\n  return $.html(this, this.options);\n};\n\nexports.text = function(str) {\n  // If `str` is undefined, act as a \"getter\"\n  if (str === undefined) {\n    return $.text(this);\n  } else if (typeof str === 'function') {\n    // Function support\n    return domEach(this, function(i, el) {\n      var $el = [el];\n      return exports.text.call($el, str.call(el, i, $.text($el)));\n    });\n  }\n\n  // Append text node to each selected elements\n  domEach(this, function(i, el) {\n    _.each(el.children, function(el) {\n      el.next = el.prev = el.parent = null;\n    });\n\n    var elem = {\n      data: '' + str,\n      type: 'text',\n      parent: el,\n      prev: null,\n      next: null,\n      children: []\n    };\n\n    updateDOM(elem, el);\n  });\n\n  return this;\n};\n\nexports.clone = function() {\n  return this._make(cloneDom(this.get(), this.options));\n};\n","/*\n\tpseudo selectors\n\n\t---\n\n\tthey are available in two forms:\n\t* filters called when the selector\n\t  is compiled and return a function\n\t  that needs to return next()\n\t* pseudos get called on execution\n\t  they need to return a boolean\n*/\n\nvar DomUtils    = require(\"domutils\"),\n    isTag       = DomUtils.isTag,\n    getText     = DomUtils.getText,\n    getParent   = DomUtils.getParent,\n    getChildren = DomUtils.getChildren,\n    getSiblings = DomUtils.getSiblings,\n    hasAttrib   = DomUtils.hasAttrib,\n    getName     = DomUtils.getName,\n    getAttribute= DomUtils.getAttributeValue,\n    getNCheck   = require(\"nth-check\"),\n    checkAttrib = require(\"./attributes.js\").rules.equals,\n    BaseFuncs   = require(\"boolbase\"),\n    trueFunc    = BaseFuncs.trueFunc,\n    falseFunc   = BaseFuncs.falseFunc;\n\n//helper methods\nfunction getFirstElement(elems){\n\tfor(var i = 0; elems && i < elems.length; i++){\n\t\tif(isTag(elems[i])) return elems[i];\n\t}\n}\n\nfunction getAttribFunc(name, value){\n\tvar data = {name: name, value: value};\n\treturn function attribFunc(next){\n\t\treturn checkAttrib(next, data);\n\t};\n}\n\nfunction getChildFunc(next){\n\treturn function(elem){\n\t\treturn !!getParent(elem) && next(elem);\n\t};\n}\n\nvar filters = {\n\tcontains: function(next, text){\n\t\treturn function contains(elem){\n\t\t\treturn next(elem) && getText(elem).indexOf(text) >= 0;\n\t\t};\n\t},\n\ticontains: function(next, text){\n\t\tvar itext = text.toLowerCase();\n\t\treturn function icontains(elem){\n\t\t\treturn next(elem) &&\n\t\t\t\tgetText(elem).toLowerCase().indexOf(itext) >= 0;\n\t\t};\n\t},\n\n\t//location specific methods\n\t\"nth-child\": function(next, rule){\n\t\tvar func = getNCheck(rule);\n\n\t\tif(func === falseFunc) return func;\n\t\tif(func === trueFunc)  return getChildFunc(next);\n\n\t\treturn function nthChild(elem){\n\t\t\tvar siblings = getSiblings(elem);\n\n\t\t\tfor(var i = 0, pos = 0; i < siblings.length; i++){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\telse pos++;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn func(pos) && next(elem);\n\t\t};\n\t},\n\t\"nth-last-child\": function(next, rule){\n\t\tvar func = getNCheck(rule);\n\n\t\tif(func === falseFunc) return func;\n\t\tif(func === trueFunc)  return getChildFunc(next);\n\n\t\treturn function nthLastChild(elem){\n\t\t\tvar siblings = getSiblings(elem);\n\n\t\t\tfor(var pos = 0, i = siblings.length - 1; i >= 0; i--){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\telse pos++;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn func(pos) && next(elem);\n\t\t};\n\t},\n\t\"nth-of-type\": function(next, rule){\n\t\tvar func = getNCheck(rule);\n\n\t\tif(func === falseFunc) return func;\n\t\tif(func === trueFunc)  return getChildFunc(next);\n\n\t\treturn function nthOfType(elem){\n\t\t\tvar siblings = getSiblings(elem);\n\n\t\t\tfor(var pos = 0, i = 0; i < siblings.length; i++){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\tif(getName(siblings[i]) === getName(elem)) pos++;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn func(pos) && next(elem);\n\t\t};\n\t},\n\t\"nth-last-of-type\": function(next, rule){\n\t\tvar func = getNCheck(rule);\n\n\t\tif(func === falseFunc) return func;\n\t\tif(func === trueFunc)  return getChildFunc(next);\n\n\t\treturn function nthLastOfType(elem){\n\t\t\tvar siblings = getSiblings(elem);\n\n\t\t\tfor(var pos = 0, i = siblings.length - 1; i >= 0; i--){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\tif(getName(siblings[i]) === getName(elem)) pos++;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn func(pos) && next(elem);\n\t\t};\n\t},\n\n    //TODO determine the actual root element\n    root: function(next){\n        return function(elem){\n            return !getParent(elem) && next(elem);\n        };\n    },\n\n    scope: function(next, rule, options, context){\n        if(!context || context.length === 0){\n            //equivalent to :root\n            return filters.root(next);\n        }\n\n        if(context.length === 1){\n            //NOTE: can't be unpacked, as :has uses this for side-effects\n            return function(elem){\n                return context[0] === elem && next(elem);\n            };\n        }\n\n        return function(elem){\n            return context.indexOf(elem) >= 0 && next(elem);\n        };\n    },\n\n\t//jQuery extensions (others follow as pseudos)\n\tcheckbox: getAttribFunc(\"type\", \"checkbox\"),\n\tfile: getAttribFunc(\"type\", \"file\"),\n\tpassword: getAttribFunc(\"type\", \"password\"),\n\tradio: getAttribFunc(\"type\", \"radio\"),\n\treset: getAttribFunc(\"type\", \"reset\"),\n\timage: getAttribFunc(\"type\", \"image\"),\n\tsubmit: getAttribFunc(\"type\", \"submit\")\n};\n\n//while filters are precompiled, pseudos get called when they are needed\nvar pseudos = {\n\tempty: function(elem){\n\t\treturn !getChildren(elem).some(function(elem){\n\t\t\treturn isTag(elem) || elem.type === \"text\";\n\t\t});\n\t},\n\n\t\"first-child\": function(elem){\n\t\treturn getFirstElement(getSiblings(elem)) === elem;\n\t},\n\t\"last-child\": function(elem){\n\t\tvar siblings = getSiblings(elem);\n\n\t\tfor(var i = siblings.length - 1; i >= 0; i--){\n\t\t\tif(siblings[i] === elem) return true;\n\t\t\tif(isTag(siblings[i])) break;\n\t\t}\n\n\t\treturn false;\n\t},\n\t\"first-of-type\": function(elem){\n\t\tvar siblings = getSiblings(elem);\n\n\t\tfor(var i = 0; i < siblings.length; i++){\n\t\t\tif(isTag(siblings[i])){\n\t\t\t\tif(siblings[i] === elem) return true;\n\t\t\t\tif(getName(siblings[i]) === getName(elem)) break;\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t},\n\t\"last-of-type\": function(elem){\n\t\tvar siblings = getSiblings(elem);\n\n\t\tfor(var i = siblings.length-1; i >= 0; i--){\n\t\t\tif(isTag(siblings[i])){\n\t\t\t\tif(siblings[i] === elem) return true;\n\t\t\t\tif(getName(siblings[i]) === getName(elem)) break;\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t},\n\t\"only-of-type\": function(elem){\n\t\tvar siblings = getSiblings(elem);\n\n\t\tfor(var i = 0, j = siblings.length; i < j; i++){\n\t\t\tif(isTag(siblings[i])){\n\t\t\t\tif(siblings[i] === elem) continue;\n\t\t\t\tif(getName(siblings[i]) === getName(elem)) return false;\n\t\t\t}\n\t\t}\n\n\t\treturn true;\n\t},\n\t\"only-child\": function(elem){\n\t\tvar siblings = getSiblings(elem);\n\n\t\tfor(var i = 0; i < siblings.length; i++){\n\t\t\tif(isTag(siblings[i]) && siblings[i] !== elem) return false;\n\t\t}\n\n\t\treturn true;\n\t},\n\n\t//:matches(a, area, link)[href]\n\tlink: function(elem){\n\t\treturn hasAttrib(elem, \"href\");\n\t},\n\tvisited: falseFunc, //seems to be a valid implementation\n\t//TODO: :any-link once the name is finalized (as an alias of :link)\n\n\t//forms\n\t//to consider: :target\n\n\t//:matches([selected], select:not([multiple]):not(> option[selected]) > option:first-of-type)\n\tselected: function(elem){\n\t\tif(hasAttrib(elem, \"selected\")) return true;\n\t\telse if(getName(elem) !== \"option\") return false;\n\n\t\t//the first <option> in a <select> is also selected\n\t\tvar parent = getParent(elem);\n\n\t\tif(\n\t\t\t!parent ||\n\t\t\tgetName(parent) !== \"select\" ||\n\t\t\thasAttrib(parent, \"multiple\")\n\t\t) return false;\n\n\t\tvar siblings = getChildren(parent),\n\t\t\tsawElem  = false;\n\n\t\tfor(var i = 0; i < siblings.length; i++){\n\t\t\tif(isTag(siblings[i])){\n\t\t\t\tif(siblings[i] === elem){\n\t\t\t\t\tsawElem = true;\n\t\t\t\t} else if(!sawElem){\n\t\t\t\t\treturn false;\n\t\t\t\t} else if(hasAttrib(siblings[i], \"selected\")){\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn sawElem;\n\t},\n\t//https://html.spec.whatwg.org/multipage/scripting.html#disabled-elements\n\t//:matches(\n\t//  :matches(button, input, select, textarea, menuitem, optgroup, option)[disabled],\n\t//  optgroup[disabled] > option),\n\t// fieldset[disabled] * //TODO not child of first <legend>\n\t//)\n\tdisabled: function(elem){\n\t\treturn hasAttrib(elem, \"disabled\");\n\t},\n\tenabled: function(elem){\n\t\treturn !hasAttrib(elem, \"disabled\");\n\t},\n\t//:matches(:matches(:radio, :checkbox)[checked], :selected) (TODO menuitem)\n\tchecked: function(elem){\n\t\treturn hasAttrib(elem, \"checked\") || pseudos.selected(elem);\n\t},\n\t//:matches(input, select, textarea)[required]\n\trequired: function(elem){\n\t\treturn hasAttrib(elem, \"required\");\n\t},\n\t//:matches(input, select, textarea):not([required])\n\toptional: function(elem){\n\t\treturn !hasAttrib(elem, \"required\");\n\t},\n\n\t//jQuery extensions\n\n\t//:not(:empty)\n\tparent: function(elem){\n\t\treturn !pseudos.empty(elem);\n\t},\n\t//:matches(h1, h2, h3, h4, h5, h6)\n\theader: function(elem){\n\t\tvar name = getName(elem);\n\t\treturn name === \"h1\" ||\n\t\t       name === \"h2\" ||\n\t\t       name === \"h3\" ||\n\t\t       name === \"h4\" ||\n\t\t       name === \"h5\" ||\n\t\t       name === \"h6\";\n\t},\n\n\t//:matches(button, input[type=button])\n\tbutton: function(elem){\n\t\tvar name = getName(elem);\n\t\treturn name === \"button\" ||\n\t\t       name === \"input\" &&\n\t\t       getAttribute(elem, \"type\") === \"button\";\n\t},\n\t//:matches(input, textarea, select, button)\n\tinput: function(elem){\n\t\tvar name = getName(elem);\n\t\treturn name === \"input\" ||\n\t\t       name === \"textarea\" ||\n\t\t       name === \"select\" ||\n\t\t       name === \"button\";\n\t},\n\t//input:matches(:not([type!='']), [type='text' i])\n\ttext: function(elem){\n\t\tvar attr;\n\t\treturn getName(elem) === \"input\" && (\n\t\t\t!(attr = getAttribute(elem, \"type\")) ||\n\t\t\tattr.toLowerCase() === \"text\"\n\t\t);\n\t}\n};\n\nfunction verifyArgs(func, name, subselect){\n\tif(subselect === null){\n\t\tif(func.length > 1 && name !== \"scope\"){\n\t\t\tthrow new SyntaxError(\"pseudo-selector :\" + name + \" requires an argument\");\n\t\t}\n\t} else {\n\t\tif(func.length === 1){\n\t\t\tthrow new SyntaxError(\"pseudo-selector :\" + name + \" doesn't have any arguments\");\n\t\t}\n\t}\n}\n\n//FIXME this feels hacky\nvar re_CSS3 = /^(?:(?:nth|last|first|only)-(?:child|of-type)|root|empty|(?:en|dis)abled|checked|not)$/;\n\nmodule.exports = {\n\tcompile: function(next, data, options, context){\n\t\tvar name = data.name,\n\t\t\tsubselect = data.data;\n\n\t\tif(options && options.strict && !re_CSS3.test(name)){\n\t\t\tthrow SyntaxError(\":\" + name + \" isn't part of CSS3\");\n\t\t}\n\n\t\tif(typeof filters[name] === \"function\"){\n\t\t\tverifyArgs(filters[name], name,  subselect);\n\t\t\treturn filters[name](next, subselect, options, context);\n\t\t} else if(typeof pseudos[name] === \"function\"){\n\t\t\tvar func = pseudos[name];\n\t\t\tverifyArgs(func, name, subselect);\n\n\t\t\tif(next === trueFunc) return func;\n\n\t\t\treturn function pseudoArgs(elem){\n\t\t\t\treturn func(elem, subselect) && next(elem);\n\t\t\t};\n\t\t} else {\n\t\t\tthrow new SyntaxError(\"unmatched pseudo-class :\" + name);\n\t\t}\n\t},\n\tfilters: filters,\n\tpseudos: pseudos\n};\n","var ElementType = require(\"domelementtype\");\nvar isTag = exports.isTag = ElementType.isTag;\n\nexports.testElement = function(options, element){\n\tfor(var key in options){\n\t\tif(!options.hasOwnProperty(key));\n\t\telse if(key === \"tag_name\"){\n\t\t\tif(!isTag(element) || !options.tag_name(element.name)){\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} else if(key === \"tag_type\"){\n\t\t\tif(!options.tag_type(element.type)) return false;\n\t\t} else if(key === \"tag_contains\"){\n\t\t\tif(isTag(element) || !options.tag_contains(element.data)){\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} else if(!element.attribs || !options[key](element.attribs[key])){\n\t\t\treturn false;\n\t\t}\n\t}\n\treturn true;\n};\n\nvar Checks = {\n\ttag_name: function(name){\n\t\tif(typeof name === \"function\"){\n\t\t\treturn function(elem){ return isTag(elem) && name(elem.name); };\n\t\t} else if(name === \"*\"){\n\t\t\treturn isTag;\n\t\t} else {\n\t\t\treturn function(elem){ return isTag(elem) && elem.name === name; };\n\t\t}\n\t},\n\ttag_type: function(type){\n\t\tif(typeof type === \"function\"){\n\t\t\treturn function(elem){ return type(elem.type); };\n\t\t} else {\n\t\t\treturn function(elem){ return elem.type === type; };\n\t\t}\n\t},\n\ttag_contains: function(data){\n\t\tif(typeof data === \"function\"){\n\t\t\treturn function(elem){ return !isTag(elem) && data(elem.data); };\n\t\t} else {\n\t\t\treturn function(elem){ return !isTag(elem) && elem.data === data; };\n\t\t}\n\t}\n};\n\nfunction getAttribCheck(attrib, value){\n\tif(typeof value === \"function\"){\n\t\treturn function(elem){ return elem.attribs && value(elem.attribs[attrib]); };\n\t} else {\n\t\treturn function(elem){ return elem.attribs && elem.attribs[attrib] === value; };\n\t}\n}\n\nfunction combineFuncs(a, b){\n\treturn function(elem){\n\t\treturn a(elem) || b(elem);\n\t};\n}\n\nexports.getElements = function(options, element, recurse, limit){\n\tvar funcs = Object.keys(options).map(function(key){\n\t\tvar value = options[key];\n\t\treturn key in Checks ? Checks[key](value) : getAttribCheck(key, value);\n\t});\n\n\treturn funcs.length === 0 ? [] : this.filter(\n\t\tfuncs.reduce(combineFuncs),\n\t\telement, recurse, limit\n\t);\n};\n\nexports.getElementById = function(id, element, recurse){\n\tif(!Array.isArray(element)) element = [element];\n\treturn this.findOne(getAttribCheck(\"id\", id), element, recurse !== false);\n};\n\nexports.getElementsByTagName = function(name, element, recurse, limit){\n\treturn this.filter(Checks.tag_name(name), element, recurse, limit);\n};\n\nexports.getElementsByTagType = function(type, element, recurse, limit){\n\treturn this.filter(Checks.tag_type(type), element, recurse, limit);\n};\n","var entityMap = require(\"../maps/entities.json\"),\n    legacyMap = require(\"../maps/legacy.json\"),\n    xmlMap = require(\"../maps/xml.json\"),\n    decodeCodePoint = require(\"./decode_codepoint.js\");\n\nvar decodeXMLStrict = getStrictDecoder(xmlMap),\n    decodeHTMLStrict = getStrictDecoder(entityMap);\n\nfunction getStrictDecoder(map) {\n    var keys = Object.keys(map).join(\"|\"),\n        replace = getReplacer(map);\n\n    keys += \"|#[xX][\\\\da-fA-F]+|#\\\\d+\";\n\n    var re = new RegExp(\"&(?:\" + keys + \");\", \"g\");\n\n    return function(str) {\n        return String(str).replace(re, replace);\n    };\n}\n\nvar decodeHTML = (function() {\n    var legacy = Object.keys(legacyMap).sort(sorter);\n\n    var keys = Object.keys(entityMap).sort(sorter);\n\n    for (var i = 0, j = 0; i < keys.length; i++) {\n        if (legacy[j] === keys[i]) {\n            keys[i] += \";?\";\n            j++;\n        } else {\n            keys[i] += \";\";\n        }\n    }\n\n    var re = new RegExp(\"&(?:\" + keys.join(\"|\") + \"|#[xX][\\\\da-fA-F]+;?|#\\\\d+;?)\", \"g\"),\n        replace = getReplacer(entityMap);\n\n    function replacer(str) {\n        if (str.substr(-1) !== \";\") str += \";\";\n        return replace(str);\n    }\n\n    //TODO consider creating a merged map\n    return function(str) {\n        return String(str).replace(re, replacer);\n    };\n})();\n\nfunction sorter(a, b) {\n    return a < b ? 1 : -1;\n}\n\nfunction getReplacer(map) {\n    return function replace(str) {\n        if (str.charAt(1) === \"#\") {\n            if (str.charAt(2) === \"X\" || str.charAt(2) === \"x\") {\n                return decodeCodePoint(parseInt(str.substr(3), 16));\n            }\n            return decodeCodePoint(parseInt(str.substr(2), 10));\n        }\n        return map[str.slice(1, -1)];\n    };\n}\n\nmodule.exports = {\n    XML: decodeXMLStrict,\n    HTML: decodeHTML,\n    HTMLStrict: decodeHTMLStrict\n};\n","var ElementType = require(\"domelementtype\"),\n    getOuterHTML = require(\"dom-serializer\"),\n    isTag = ElementType.isTag;\n\nmodule.exports = {\n\tgetInnerHTML: getInnerHTML,\n\tgetOuterHTML: getOuterHTML,\n\tgetText: getText\n};\n\nfunction getInnerHTML(elem, opts){\n\treturn elem.children ? elem.children.map(function(elem){\n\t\treturn getOuterHTML(elem, opts);\n\t}).join(\"\") : \"\";\n}\n\nfunction getText(elem){\n\tif(Array.isArray(elem)) return elem.map(getText).join(\"\");\n\tif(isTag(elem) || elem.type === ElementType.CDATA) return getText(elem.children);\n\tif(elem.type === ElementType.Text) return elem.data;\n\treturn \"\";\n}\n","var DomUtils = module.exports;\n\n[\n\trequire(\"./lib/stringify\"),\n\trequire(\"./lib/traversal\"),\n\trequire(\"./lib/manipulation\"),\n\trequire(\"./lib/querying\"),\n\trequire(\"./lib/legacy\"),\n\trequire(\"./lib/helpers\")\n].forEach(function(ext){\n\tObject.keys(ext).forEach(function(key){\n\t\tDomUtils[key] = ext[key].bind(DomUtils);\n\t});\n});\n","'use strict';\n\nexports.decode = exports.parse = require('./decode');\nexports.encode = exports.stringify = require('./encode');\n","// https://github.com/jquery/jquery/blob/2.1.3/src/manipulation/var/rcheckableType.js\n// https://github.com/jquery/jquery/blob/2.1.3/src/serialize.js\nvar _ = require('lodash'),\n    submittableSelector = 'input,select,textarea,keygen',\n    rCRLF = /\\r?\\n/g;\n\nexports.serializeArray = function() {\n  // Resolve all form elements from either forms or collections of form elements\n  var Cheerio = this.constructor;\n  return this.map(function() {\n      var elem = this;\n      var $elem = Cheerio(elem);\n      if (elem.name === 'form') {\n        return $elem.find(submittableSelector).toArray();\n      } else {\n        return $elem.filter(submittableSelector).toArray();\n      }\n    }).filter(\n        // Verify elements have a name (`attr.name`) and are not disabled (`:disabled`)\n        '[name!=\"\"]:not(:disabled)'\n        // and cannot be clicked (`[type=submit]`) or are used in `x-www-form-urlencoded` (`[type=file]`)\n        + ':not(:submit, :button, :image, :reset, :file)'\n        // and are either checked/don't have a checkable state\n        + ':matches([checked], :not(:checkbox, :radio))'\n    // Convert each of the elements to its value(s)\n    ).map(function(i, elem) {\n      var $elem = Cheerio(elem);\n      var name = $elem.attr('name');\n      var val = $elem.val();\n\n      // If there is no value set (e.g. `undefined`, `null`), then return nothing\n      if (val == null) {\n        return null;\n      } else {\n        // If we have an array of values (e.g. `<select multiple>`), return an array of key/value pairs\n        if (Array.isArray(val)) {\n          return _.map(val, function(val) {\n            // We trim replace any line endings (e.g. `\\r` or `\\r\\n` with `\\r\\n`) to guarantee consistency across platforms\n            //   These can occur inside of `<textarea>'s`\n            return {name: name, value: val.replace( rCRLF, '\\r\\n' )};\n          });\n        // Otherwise (e.g. `<input type=\"text\">`, return only one key/value pair\n        } else {\n          return {name: name, value: val.replace( rCRLF, '\\r\\n' )};\n        }\n      }\n    // Convert our result to an array\n    }).get();\n};\n","var Tokenizer;\n\n/*\n\tOptions:\n\n\txmlMode: Disables the special behavior for script/style tags (false by default)\n\tlowerCaseAttributeNames: call .toLowerCase for each attribute name (true if xmlMode is `false`)\n\tlowerCaseTags: call .toLowerCase for each tag name (true if xmlMode is `false`)\n*/\n\n/*\n\tCallbacks:\n\n\toncdataend,\n\toncdatastart,\n\tonclosetag,\n\toncomment,\n\toncommentend,\n\tonerror,\n\tonopentag,\n\tonprocessinginstruction,\n\tonreset,\n\tontext\n*/\n\nvar formTags = {\n\tinput: true,\n\toption: true,\n\toptgroup: true,\n\tselect: true,\n\tbutton: true,\n\tdatalist: true,\n\ttextarea: true\n};\n\nvar openImpliesClose = {\n\ttr      : { tr:true, th:true, td:true },\n\tth      : { th:true },\n\ttd      : { thead:true, th:true, td:true },\n\tbody    : { head:true, link:true, script:true },\n\tli      : { li:true },\n\tp       : { p:true },\n\th1      : { p:true },\n\th2      : { p:true },\n\th3      : { p:true },\n\th4      : { p:true },\n\th5      : { p:true },\n\th6      : { p:true },\n\tselect  : formTags,\n\tinput   : formTags,\n\toutput  : formTags,\n\tbutton  : formTags,\n\tdatalist: formTags,\n\ttextarea: formTags,\n\toption  : { option:true },\n\toptgroup: { optgroup:true }\n};\n\nvar voidElements = {\n\t__proto__: null,\n\tarea: true,\n\tbase: true,\n\tbasefont: true,\n\tbr: true,\n\tcol: true,\n\tcommand: true,\n\tembed: true,\n\tframe: true,\n\thr: true,\n\timg: true,\n\tinput: true,\n\tisindex: true,\n\tkeygen: true,\n\tlink: true,\n\tmeta: true,\n\tparam: true,\n\tsource: true,\n\ttrack: true,\n\twbr: true,\n\n\t//common self closing svg elements\n\tpath: true,\n\tcircle: true,\n\tellipse: true,\n\tline: true,\n\trect: true,\n\tuse: true,\n\tstop: true,\n\tpolyline: true,\n\tpolygon: true\n};\n\nvar re_nameEnd = /\\s|\\//;\n\nfunction Parser(cbs, options){\n\tthis._options = options || {};\n\tthis._cbs = cbs || {};\n\n\tthis._tagname = \"\";\n\tthis._attribname = \"\";\n\tthis._attribvalue = \"\";\n\tthis._attribs = null;\n\tthis._stack = [];\n\n\tthis.startIndex = 0;\n\tthis.endIndex = null;\n\n\tthis._lowerCaseTagNames = \"lowerCaseTags\" in this._options ?\n\t\t\t\t\t\t\t\t\t!!this._options.lowerCaseTags :\n\t\t\t\t\t\t\t\t\t!this._options.xmlMode;\n\tthis._lowerCaseAttributeNames = \"lowerCaseAttributeNames\" in this._options ?\n\t\t\t\t\t\t\t\t\t!!this._options.lowerCaseAttributeNames :\n\t\t\t\t\t\t\t\t\t!this._options.xmlMode;\n\n\tif(this._options.Tokenizer) {\n\t\tTokenizer = this._options.Tokenizer;\n\t} else {\n\t\tTokenizer = require(\"./Tokenizer.js\");\n\t}\n\tthis._tokenizer = new Tokenizer(this._options, this);\n\n\tif(this._cbs.onparserinit) this._cbs.onparserinit(this);\n}\n\nrequire(\"inherits\")(Parser, require(\"eventemitter2\"));\n\nParser.prototype._updatePosition = function(initialOffset){\n\tif(this.endIndex === null){\n\t\tif(this._tokenizer._sectionStart <= initialOffset){\n\t\t\tthis.startIndex = 0;\n\t\t} else {\n\t\t\tthis.startIndex = this._tokenizer._sectionStart - initialOffset;\n\t\t}\n\t}\n\telse this.startIndex = this.endIndex + 1;\n\tthis.endIndex = this._tokenizer.getAbsoluteIndex();\n};\n\n//Tokenizer event handlers\nParser.prototype.ontext = function(data){\n\tthis._updatePosition(1);\n\tthis.endIndex--;\n\n\tif(this._cbs.ontext) this._cbs.ontext(data);\n};\n\nParser.prototype.onopentagname = function(name){\n\tif(this._lowerCaseTagNames){\n\t\tname = name.toLowerCase();\n\t}\n\n\tthis._tagname = name;\n\n\tif(!this._options.xmlMode && name in openImpliesClose) {\n\t\tfor(\n\t\t\tvar el;\n\t\t\t(el = this._stack[this._stack.length - 1]) in openImpliesClose[name];\n\t\t\tthis.onclosetag(el)\n\t\t);\n\t}\n\n\tif(this._options.xmlMode || !(name in voidElements)){\n\t\tthis._stack.push(name);\n\t}\n\n\tif(this._cbs.onopentagname) this._cbs.onopentagname(name);\n\tif(this._cbs.onopentag) this._attribs = {};\n};\n\nParser.prototype.onopentagend = function(){\n\tthis._updatePosition(1);\n\n\tif(this._attribs){\n\t\tif(this._cbs.onopentag) this._cbs.onopentag(this._tagname, this._attribs);\n\t\tthis._attribs = null;\n\t}\n\n\tif(!this._options.xmlMode && this._cbs.onclosetag && this._tagname in voidElements){\n\t\tthis._cbs.onclosetag(this._tagname);\n\t}\n\n\tthis._tagname = \"\";\n};\n\nParser.prototype.onclosetag = function(name){\n\tthis._updatePosition(1);\n\n\tif(this._lowerCaseTagNames){\n\t\tname = name.toLowerCase();\n\t}\n\n\tif(this._stack.length && (!(name in voidElements) || this._options.xmlMode)){\n\t\tvar pos = this._stack.lastIndexOf(name);\n\t\tif(pos !== -1){\n\t\t\tif(this._cbs.onclosetag){\n\t\t\t\tpos = this._stack.length - pos;\n\t\t\t\twhile(pos--) this._cbs.onclosetag(this._stack.pop());\n\t\t\t}\n\t\t\telse this._stack.length = pos;\n\t\t} else if(name === \"p\" && !this._options.xmlMode){\n\t\t\tthis.onopentagname(name);\n\t\t\tthis._closeCurrentTag();\n\t\t}\n\t} else if(!this._options.xmlMode && (name === \"br\" || name === \"p\")){\n\t\tthis.onopentagname(name);\n\t\tthis._closeCurrentTag();\n\t}\n};\n\nParser.prototype.onselfclosingtag = function(){\n\tif(this._options.xmlMode || this._options.recognizeSelfClosing){\n\t\tthis._closeCurrentTag();\n\t} else {\n\t\tthis.onopentagend();\n\t}\n};\n\nParser.prototype._closeCurrentTag = function(){\n\tvar name = this._tagname;\n\n\tthis.onopentagend();\n\n\t//self-closing tags will be on the top of the stack\n\t//(cheaper check than in onclosetag)\n\tif(this._stack[this._stack.length - 1] === name){\n\t\tif(this._cbs.onclosetag){\n\t\t\tthis._cbs.onclosetag(name);\n\t\t}\n\t\tthis._stack.pop();\n\t}\n};\n\nParser.prototype.onattribname = function(name){\n\tif(this._lowerCaseAttributeNames){\n\t\tname = name.toLowerCase();\n\t}\n\tthis._attribname = name;\n};\n\nParser.prototype.onattribdata = function(value){\n\tthis._attribvalue += value;\n};\n\nParser.prototype.onattribend = function(){\n\tif(this._cbs.onattribute) this._cbs.onattribute(this._attribname, this._attribvalue);\n\tif(\n\t\tthis._attribs &&\n\t\t!Object.prototype.hasOwnProperty.call(this._attribs, this._attribname)\n\t){\n\t\tthis._attribs[this._attribname] = this._attribvalue;\n\t}\n\tthis._attribname = \"\";\n\tthis._attribvalue = \"\";\n};\n\nParser.prototype._getInstructionName = function(value){\n\tvar idx = value.search(re_nameEnd),\n\t    name = idx < 0 ? value : value.substr(0, idx);\n\n\tif(this._lowerCaseTagNames){\n\t\tname = name.toLowerCase();\n\t}\n\n\treturn name;\n};\n\nParser.prototype.ondeclaration = function(value){\n\tif(this._cbs.onprocessinginstruction){\n\t\tvar name = this._getInstructionName(value);\n\t\tthis._cbs.onprocessinginstruction(\"!\" + name, \"!\" + value);\n\t}\n};\n\nParser.prototype.onprocessinginstruction = function(value){\n\tif(this._cbs.onprocessinginstruction){\n\t\tvar name = this._getInstructionName(value);\n\t\tthis._cbs.onprocessinginstruction(\"?\" + name, \"?\" + value);\n\t}\n};\n\nParser.prototype.oncomment = function(value){\n\tthis._updatePosition(4);\n\n\tif(this._cbs.oncomment) this._cbs.oncomment(value);\n\tif(this._cbs.oncommentend) this._cbs.oncommentend();\n};\n\nParser.prototype.oncdata = function(value){\n\tthis._updatePosition(1);\n\n\tif(this._options.xmlMode || this._options.recognizeCDATA){\n\t\tif(this._cbs.oncdatastart) this._cbs.oncdatastart();\n\t\tif(this._cbs.ontext) this._cbs.ontext(value);\n\t\tif(this._cbs.oncdataend) this._cbs.oncdataend();\n\t} else {\n\t\tthis.oncomment(\"[CDATA[\" + value + \"]]\");\n\t}\n};\n\nParser.prototype.onerror = function(err){\n\tif(this._cbs.onerror) this._cbs.onerror(err);\n};\n\nParser.prototype.onend = function(){\n\tif(this._cbs.onclosetag){\n\t\tfor(\n\t\t\tvar i = this._stack.length;\n\t\t\ti > 0;\n\t\t\tthis._cbs.onclosetag(this._stack[--i])\n\t\t);\n\t}\n\tif(this._cbs.onend) this._cbs.onend();\n};\n\n\n//Resets the parser to a blank state, ready to parse a new HTML document\nParser.prototype.reset = function(){\n\tif(this._cbs.onreset) this._cbs.onreset();\n\tthis._tokenizer.reset();\n\n\tthis._tagname = \"\";\n\tthis._attribname = \"\";\n\tthis._attribs = null;\n\tthis._stack = [];\n\n\tif(this._cbs.onparserinit) this._cbs.onparserinit(this);\n};\n\n//Parses a complete HTML document and pushes it to the handler\nParser.prototype.parseComplete = function(data){\n\tthis.reset();\n\tthis.end(data);\n};\n\nParser.prototype.write = function(chunk){\n\tthis._tokenizer.write(chunk);\n};\n\nParser.prototype.end = function(chunk){\n\tthis._tokenizer.end(chunk);\n};\n\nParser.prototype.pause = function(){\n\tthis._tokenizer.pause();\n};\n\nParser.prototype.resume = function(){\n\tthis._tokenizer.resume();\n};\n\n//alias for backwards compat\nParser.prototype.parseChunk = Parser.prototype.write;\nParser.prototype.done = Parser.prototype.end;\n\nmodule.exports = Parser;\n","/*\n  Module dependencies\n*/\nvar ElementType = require('domelementtype');\nvar entities = require('entities');\n\nvar unencodedElements = {\n  __proto__: null,\n  style: true,\n  script: true,\n  xmp: true,\n  iframe: true,\n  noembed: true,\n  noframes: true,\n  plaintext: true,\n  noscript: true\n};\n\n/*\n  Format attributes\n*/\nfunction formatAttrs(attributes, opts) {\n  if (!attributes) return;\n\n  var output = '',\n      value;\n\n  // Loop through the attributes\n  for (var key in attributes) {\n    value = attributes[key];\n    if (output) {\n      output += ' ';\n    }\n\n    output += key;\n    if ((value !== null && value !== '') || opts.xmlMode) {\n        output += '=\"' + (opts.decodeEntities ? entities.encodeXML(value) : value) + '\"';\n    }\n  }\n\n  return output;\n}\n\n/*\n  Self-enclosing tags (stolen from node-htmlparser)\n*/\nvar singleTag = {\n  __proto__: null,\n  area: true,\n  base: true,\n  basefont: true,\n  br: true,\n  col: true,\n  command: true,\n  embed: true,\n  frame: true,\n  hr: true,\n  img: true,\n  input: true,\n  isindex: true,\n  keygen: true,\n  link: true,\n  meta: true,\n  param: true,\n  source: true,\n  track: true,\n  wbr: true,\n};\n\n\nvar render = module.exports = function(dom, opts) {\n  if (!Array.isArray(dom) && !dom.cheerio) dom = [dom];\n  opts = opts || {};\n\n  var output = '';\n\n  for(var i = 0; i < dom.length; i++){\n    var elem = dom[i];\n\n    if (elem.type === 'root')\n      output += render(elem.children, opts);\n    else if (ElementType.isTag(elem))\n      output += renderTag(elem, opts);\n    else if (elem.type === ElementType.Directive)\n      output += renderDirective(elem);\n    else if (elem.type === ElementType.Comment)\n      output += renderComment(elem);\n    else if (elem.type === ElementType.CDATA)\n      output += renderCdata(elem);\n    else\n      output += renderText(elem, opts);\n  }\n\n  return output;\n};\n\nfunction renderTag(elem, opts) {\n  // Handle SVG\n  if (elem.name === \"svg\") opts = {decodeEntities: opts.decodeEntities, xmlMode: true};\n\n  var tag = '<' + elem.name,\n      attribs = formatAttrs(elem.attribs, opts);\n\n  if (attribs) {\n    tag += ' ' + attribs;\n  }\n\n  if (\n    opts.xmlMode\n    && (!elem.children || elem.children.length === 0)\n  ) {\n    tag += '/>';\n  } else {\n    tag += '>';\n    if (elem.children) {\n      tag += render(elem.children, opts);\n    }\n\n    if (!singleTag[elem.name] || opts.xmlMode) {\n      tag += '</' + elem.name + '>';\n    }\n  }\n\n  return tag;\n}\n\nfunction renderDirective(elem) {\n  return '<' + elem.data + '>';\n}\n\nfunction renderText(elem, opts) {\n  var data = elem.data || '';\n\n  // if entities weren't decoded, no need to encode them back\n  if (opts.decodeEntities && !(elem.parent && elem.parent.name in unencodedElements)) {\n    data = entities.encodeXML(data);\n  }\n\n  return data;\n}\n\nfunction renderCdata(elem) {\n  return '<![CDATA[' + elem.children[0].data + ']]>';\n}\n\nfunction renderComment(elem) {\n  return '<!--' + elem.data + '-->';\n}\n","exports.removeElement = function(elem){\n\tif(elem.prev) elem.prev.next = elem.next;\n\tif(elem.next) elem.next.prev = elem.prev;\n\n\tif(elem.parent){\n\t\tvar childs = elem.parent.children;\n\t\tchilds.splice(childs.lastIndexOf(elem), 1);\n\t}\n};\n\nexports.replaceElement = function(elem, replacement){\n\tvar prev = replacement.prev = elem.prev;\n\tif(prev){\n\t\tprev.next = replacement;\n\t}\n\n\tvar next = replacement.next = elem.next;\n\tif(next){\n\t\tnext.prev = replacement;\n\t}\n\n\tvar parent = replacement.parent = elem.parent;\n\tif(parent){\n\t\tvar childs = parent.children;\n\t\tchilds[childs.lastIndexOf(elem)] = replacement;\n\t}\n};\n\nexports.appendChild = function(elem, child){\n\tchild.parent = elem;\n\n\tif(elem.children.push(child) !== 1){\n\t\tvar sibling = elem.children[elem.children.length - 2];\n\t\tsibling.next = child;\n\t\tchild.prev = sibling;\n\t\tchild.next = null;\n\t}\n};\n\nexports.append = function(elem, next){\n\tvar parent = elem.parent,\n\t\tcurrNext = elem.next;\n\n\tnext.next = currNext;\n\tnext.prev = elem;\n\telem.next = next;\n\tnext.parent = parent;\n\n\tif(currNext){\n\t\tcurrNext.prev = next;\n\t\tif(parent){\n\t\t\tvar childs = parent.children;\n\t\t\tchilds.splice(childs.lastIndexOf(currNext), 0, next);\n\t\t}\n\t} else if(parent){\n\t\tparent.children.push(next);\n\t}\n};\n\nexports.prepend = function(elem, prev){\n\tvar parent = elem.parent;\n\tif(parent){\n\t\tvar childs = parent.children;\n\t\tchilds.splice(childs.lastIndexOf(elem), 0, prev);\n\t}\n\n\tif(elem.prev){\n\t\telem.prev.next = prev;\n\t}\n\t\n\tprev.parent = parent;\n\tprev.prev = elem.prev;\n\tprev.next = elem;\n\telem.prev = prev;\n};\n\n\n","module.exports = parse;\n\n//following http://www.w3.org/TR/css3-selectors/#nth-child-pseudo\n\n//[ ['-'|'+']? INTEGER? {N} [ S* ['-'|'+'] S* INTEGER ]?\nvar re_nthElement = /^([+\\-]?\\d*n)?\\s*(?:([+\\-]?)\\s*(\\d+))?$/;\n\n/*\n\tparses a nth-check formula, returns an array of two numbers\n*/\nfunction parse(formula){\n\tformula = formula.trim().toLowerCase();\n\n\tif(formula === \"even\"){\n\t\treturn [2, 0];\n\t} else if(formula === \"odd\"){\n\t\treturn [2, 1];\n\t} else {\n\t\tvar parsed = formula.match(re_nthElement);\n\n\t\tif(!parsed){\n\t\t\tthrow new SyntaxError(\"n-th rule couldn't be parsed ('\" + formula + \"')\");\n\t\t}\n\n\t\tvar a;\n\n\t\tif(parsed[1]){\n\t\t\ta = parseInt(parsed[1], 10);\n\t\t\tif(isNaN(a)){\n\t\t\t\tif(parsed[1].charAt(0) === \"-\") a = -1;\n\t\t\t\telse a = 1;\n\t\t\t}\n\t\t} else a = 0;\n\n\t\treturn [\n\t\t\ta,\n\t\t\tparsed[3] ? parseInt((parsed[2] || \"\") + parsed[3], 10) : 0\n\t\t];\n\t}\n}\n","/** Types of elements found in htmlparser2's DOM */\nexport var ElementType;\n(function (ElementType) {\n    /** Type for the root element of a document */\n    ElementType[\"Root\"] = \"root\";\n    /** Type for Text */\n    ElementType[\"Text\"] = \"text\";\n    /** Type for <? ... ?> */\n    ElementType[\"Directive\"] = \"directive\";\n    /** Type for <!-- ... --> */\n    ElementType[\"Comment\"] = \"comment\";\n    /** Type for <script> tags */\n    ElementType[\"Script\"] = \"script\";\n    /** Type for <style> tags */\n    ElementType[\"Style\"] = \"style\";\n    /** Type for Any tag */\n    ElementType[\"Tag\"] = \"tag\";\n    /** Type for <![CDATA[ ... ]]> */\n    ElementType[\"CDATA\"] = \"cdata\";\n    /** Type for <!doctype ...> */\n    ElementType[\"Doctype\"] = \"doctype\";\n})(ElementType || (ElementType = {}));\n/**\n * Tests whether an element is a tag or not.\n *\n * @param elem Element to test\n */\nexport function isTag(elem) {\n    return (elem.type === ElementType.Tag ||\n        elem.type === ElementType.Script ||\n        elem.type === ElementType.Style);\n}\n// Exports for backwards compatibility\n/** Type for the root element of a document */\nexport const Root = ElementType.Root;\n/** Type for Text */\nexport const Text = ElementType.Text;\n/** Type for <? ... ?> */\nexport const Directive = ElementType.Directive;\n/** Type for <!-- ... --> */\nexport const Comment = ElementType.Comment;\n/** Type for <script> tags */\nexport const Script = ElementType.Script;\n/** Type for <style> tags */\nexport const Style = ElementType.Style;\n/** Type for Any tag */\nexport const Tag = ElementType.Tag;\n/** Type for <![CDATA[ ... ]]> */\nexport const CDATA = ElementType.CDATA;\n/** Type for <!doctype ...> */\nexport const Doctype = ElementType.Doctype;\n","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.20';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n      rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      // Use `util.types` for Node.js 10+.\n      var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n      if (types) {\n        return types;\n      }\n\n      // Legacy `process.binding('util')` for Node.js < 10.\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      if (isSet(value)) {\n        value.forEach(function(subValue) {\n          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n        });\n      } else if (isMap(value)) {\n        value.forEach(function(subValue, key) {\n          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n        });\n      }\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        stack || (stack = new Stack);\n        if (isObject(srcValue)) {\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = safeGet(object, key),\n          srcValue = safeGet(source, key),\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || isFunction(objValue)) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      if (iteratees.length) {\n        iteratees = arrayMap(iteratees, function(iteratee) {\n          if (isArray(iteratee)) {\n            return function(value) {\n              return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n            }\n          }\n          return iteratee;\n        });\n      } else {\n        iteratees = [identity];\n      }\n\n      var index = -1;\n      iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n          return object;\n        }\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      var low = 0,\n          high = array == null ? 0 : array.length;\n      if (high === 0) {\n        return 0;\n      }\n\n      value = iteratee(value);\n      var valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision && nativeIsFinite(number)) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Check that cyclic values are equal.\n      var arrStacked = stack.get(array);\n      var othStacked = stack.get(other);\n      if (arrStacked && othStacked) {\n        return arrStacked == other && othStacked == array;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Check that cyclic values are equal.\n      var objStacked = stack.get(object);\n      var othStacked = stack.get(other);\n      if (objStacked && othStacked) {\n        return objStacked == other && othStacked == object;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = new array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return new Ctor;\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return new Ctor;\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      var type = typeof value;\n      length = length == null ? MAX_SAFE_INTEGER : length;\n\n      return !!length &&\n        (type == 'number' ||\n          (type != 'symbol' && reIsUint.test(value))) &&\n            (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the property to get.\n     * @returns {*} Returns the property value.\n     */\n    function safeGet(object, key) {\n      if (key === 'constructor' && typeof object[key] === 'function') {\n        return;\n      }\n\n      if (key == '__proto__') {\n        return;\n      }\n\n      return object[key];\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (string.charCodeAt(0) === 46 /* . */) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, subString) {\n        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     *\n     * // Combining several predicates using `_.overEvery` or `_.overSome`.\n     * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n     * // => objects for ['fred', 'barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 30 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            timeWaiting = wait - timeSinceLastCall;\n\n        return maxing\n          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n          : timeWaiting;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            clearTimeout(timerId);\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(object, sources) {\n      object = Object(object);\n\n      var index = -1;\n      var length = sources.length;\n      var guard = length > 2 ? sources[2] : undefined;\n\n      if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n        length = 1;\n      }\n\n      while (++index < length) {\n        var source = sources[index];\n        var props = keysIn(source);\n        var propsIndex = -1;\n        var propsLength = props.length;\n\n        while (++propsIndex < propsLength) {\n          var key = props[propsIndex];\n          var value = object[key];\n\n          if (value === undefined ||\n              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n            object[key] = source[key];\n          }\n        }\n      }\n\n      return object;\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      // The sourceURL gets injected into the source that's eval-ed, so be careful\n      // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in\n      // and escape the comment, thus injecting code that gets evaled.\n      var sourceURL = '//# sourceURL=' +\n        (hasOwnProperty.call(options, 'sourceURL')\n          ? (options.sourceURL + '').replace(/\\s/g, ' ')\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = hasOwnProperty.call(options, 'variable') && options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * **Note:** Multiple values can be checked by combining several matchers\n     * using `_.overSome`\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     *\n     * // Checking for several possible values\n     * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));\n     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * **Note:** Multiple values can be checked by combining several matchers\n     * using `_.overSome`\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     *\n     * // Checking for several possible values\n     * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));\n     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * Following shorthands are possible for providing predicates.\n     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.\n     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * Following shorthands are possible for providing predicates.\n     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.\n     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     *\n     * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])\n     * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = lodashFunc.name + '';\n        if (!hasOwnProperty.call(realNames, key)) {\n          realNames[key] = [];\n        }\n        realNames[key].push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\nvar stringifyPrimitive = function(v) {\n  switch (typeof v) {\n    case 'string':\n      return v;\n\n    case 'boolean':\n      return v ? 'true' : 'false';\n\n    case 'number':\n      return isFinite(v) ? v : '';\n\n    default:\n      return '';\n  }\n};\n\nmodule.exports = function(obj, sep, eq, name) {\n  sep = sep || '&';\n  eq = eq || '=';\n  if (obj === null) {\n    obj = undefined;\n  }\n\n  if (typeof obj === 'object') {\n    return map(objectKeys(obj), function(k) {\n      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;\n      if (isArray(obj[k])) {\n        return map(obj[k], function(v) {\n          return ks + encodeURIComponent(stringifyPrimitive(v));\n        }).join(sep);\n      } else {\n        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));\n      }\n    }).join(sep);\n\n  }\n\n  if (!name) return '';\n  return encodeURIComponent(stringifyPrimitive(name)) + eq +\n         encodeURIComponent(stringifyPrimitive(obj));\n};\n\nvar isArray = Array.isArray || function (xs) {\n  return Object.prototype.toString.call(xs) === '[object Array]';\n};\n\nfunction map (xs, f) {\n  if (xs.map) return xs.map(f);\n  var res = [];\n  for (var i = 0; i < xs.length; i++) {\n    res.push(f(xs[i], i));\n  }\n  return res;\n}\n\nvar objectKeys = Object.keys || function (obj) {\n  var res = [];\n  for (var key in obj) {\n    if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);\n  }\n  return res;\n};\n","var ElementType = require(\"domelementtype\");\nvar isTag = exports.isTag = ElementType.isTag;\n\nexports.testElement = function(options, element){\n\tfor(var key in options){\n\t\tif(!options.hasOwnProperty(key));\n\t\telse if(key === \"tag_name\"){\n\t\t\tif(!isTag(element) || !options.tag_name(element.name)){\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} else if(key === \"tag_type\"){\n\t\t\tif(!options.tag_type(element.type)) return false;\n\t\t} else if(key === \"tag_contains\"){\n\t\t\tif(isTag(element) || !options.tag_contains(element.data)){\n\t\t\t\treturn false;\n\t\t\t}\n\t\t} else if(!element.attribs || !options[key](element.attribs[key])){\n\t\t\treturn false;\n\t\t}\n\t}\n\treturn true;\n};\n\nvar Checks = {\n\ttag_name: function(name){\n\t\tif(typeof name === \"function\"){\n\t\t\treturn function(elem){ return isTag(elem) && name(elem.name); };\n\t\t} else if(name === \"*\"){\n\t\t\treturn isTag;\n\t\t} else {\n\t\t\treturn function(elem){ return isTag(elem) && elem.name === name; };\n\t\t}\n\t},\n\ttag_type: function(type){\n\t\tif(typeof type === \"function\"){\n\t\t\treturn function(elem){ return type(elem.type); };\n\t\t} else {\n\t\t\treturn function(elem){ return elem.type === type; };\n\t\t}\n\t},\n\ttag_contains: function(data){\n\t\tif(typeof data === \"function\"){\n\t\t\treturn function(elem){ return !isTag(elem) && data(elem.data); };\n\t\t} else {\n\t\t\treturn function(elem){ return !isTag(elem) && elem.data === data; };\n\t\t}\n\t}\n};\n\nfunction getAttribCheck(attrib, value){\n\tif(typeof value === \"function\"){\n\t\treturn function(elem){ return elem.attribs && value(elem.attribs[attrib]); };\n\t} else {\n\t\treturn function(elem){ return elem.attribs && elem.attribs[attrib] === value; };\n\t}\n}\n\nfunction combineFuncs(a, b){\n\treturn function(elem){\n\t\treturn a(elem) || b(elem);\n\t};\n}\n\nexports.getElements = function(options, element, recurse, limit){\n\tvar funcs = Object.keys(options).map(function(key){\n\t\tvar value = options[key];\n\t\treturn key in Checks ? Checks[key](value) : getAttribCheck(key, value);\n\t});\n\n\treturn funcs.length === 0 ? [] : this.filter(\n\t\tfuncs.reduce(combineFuncs),\n\t\telement, recurse, limit\n\t);\n};\n\nexports.getElementById = function(id, element, recurse){\n\tif(!Array.isArray(element)) element = [element];\n\treturn this.findOne(getAttribCheck(\"id\", id), element, recurse !== false);\n};\n\nexports.getElementsByTagName = function(name, element, recurse, limit){\n\treturn this.filter(Checks.tag_name(name), element, recurse, limit);\n};\n\nexports.getElementsByTagType = function(type, element, recurse, limit){\n\treturn this.filter(Checks.tag_type(type), element, recurse, limit);\n};\n","var encode = require(\"./lib/encode.js\"),\n    decode = require(\"./lib/decode.js\");\n\nexports.decode = function(data, level) {\n    return (!level || level <= 0 ? decode.XML : decode.HTML)(data);\n};\n\nexports.decodeStrict = function(data, level) {\n    return (!level || level <= 0 ? decode.XML : decode.HTMLStrict)(data);\n};\n\nexports.encode = function(data, level) {\n    return (!level || level <= 0 ? encode.XML : encode.HTML)(data);\n};\n\nexports.encodeXML = encode.XML;\n\nexports.encodeHTML4 = exports.encodeHTML5 = exports.encodeHTML = encode.HTML;\n\nexports.decodeXML = exports.decodeXMLStrict = decode.XML;\n\nexports.decodeHTML4 = exports.decodeHTML5 = exports.decodeHTML = decode.HTML;\n\nexports.decodeHTML4Strict = exports.decodeHTML5Strict = exports.decodeHTMLStrict = decode.HTMLStrict;\n\nexports.escape = encode.escape;\n","var _ = require('lodash'),\n  $ = require('../static'),\n  utils = require('../utils'),\n  isTag = utils.isTag,\n  domEach = utils.domEach,\n  hasOwn = Object.prototype.hasOwnProperty,\n  camelCase = utils.camelCase,\n  cssCase = utils.cssCase,\n  rspace = /\\s+/,\n  dataAttrPrefix = 'data-',\n\n  // Lookup table for coercing string data-* attributes to their corresponding\n  // JavaScript primitives\n  primitives = {\n    null: null,\n    true: true,\n    false: false\n  },\n\n  // Attributes that are booleans\n  rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,\n  // Matches strings that look like JSON objects or arrays\n  rbrace = /^(?:\\{[\\w\\W]*\\}|\\[[\\w\\W]*\\])$/;\n\n\nvar getAttr = function(elem, name) {\n  if (!elem || !isTag(elem)) return;\n\n  if (!elem.attribs) {\n    elem.attribs = {};\n  }\n\n  // Return the entire attribs object if no attribute specified\n  if (!name) {\n    return elem.attribs;\n  }\n\n  if (hasOwn.call(elem.attribs, name)) {\n    // Get the (decoded) attribute\n    return rboolean.test(name) ? name : elem.attribs[name];\n  }\n\n  // Mimic the DOM and return text content as value for `option's`\n  if (elem.name === 'option' && name === 'value') {\n    return $.text(elem.children);\n  }\n\n  // Mimic DOM with default value for radios/checkboxes\n  if (elem.name === 'input' &&\n      (elem.attribs.type === 'radio' || elem.attribs.type === 'checkbox') &&\n      name === 'value') {\n    return 'on';\n  }\n};\n\nvar setAttr = function(el, name, value) {\n\n  if (value === null) {\n    removeAttribute(el, name);\n  } else {\n    el.attribs[name] = value+'';\n  }\n};\n\nexports.attr = function(name, value) {\n  // Set the value (with attr map support)\n  if (typeof name === 'object' || value !== undefined) {\n    if (typeof value === 'function') {\n      return domEach(this, function(i, el) {\n        setAttr(el, name, value.call(el, i, el.attribs[name]));\n      });\n    }\n    return domEach(this, function(i, el) {\n      if (!isTag(el)) return;\n\n      if (typeof name === 'object') {\n        _.each(name, function(value, name) {\n          setAttr(el, name, value);\n        });\n      } else {\n        setAttr(el, name, value);\n      }\n    });\n  }\n\n  return getAttr(this[0], name);\n};\n\nvar getProp = function (el, name) {\n  return el.hasOwnProperty(name)\n      ? el[name]\n      : rboolean.test(name)\n          ? getAttr(el, name) !== undefined\n          : getAttr(el, name);\n};\n\nvar setProp = function (el, name, value) {\n  el[name] = rboolean.test(name) ? !!value : value;\n};\n\nexports.prop = function (name, value) {\n  var i = 0,\n      property;\n\n  if (typeof name === 'string' && value === undefined) {\n\n    switch (name) {\n      case 'style':\n        property = this.css();\n\n        _.each(property, function (v, p) {\n          property[i++] = p;\n        });\n\n        property.length = i;\n\n        break;\n      case 'tagName':\n      case 'nodeName':\n        property = this[0].name.toUpperCase();\n        break;\n      default:\n        property = getProp(this[0], name);\n    }\n\n    return property;\n  }\n\n  if (typeof name === 'object' || value !== undefined) {\n\n    if (typeof value === 'function') {\n      return domEach(this, function(i, el) {\n        setProp(el, name, value.call(el, i, getProp(el, name)));\n      });\n    }\n\n    return domEach(this, function(i, el) {\n      if (!isTag(el)) return;\n\n      if (typeof name === 'object') {\n\n        _.each(name, function(val, name) {\n          setProp(el, name, val);\n        });\n\n      } else {\n        setProp(el, name, value);\n      }\n    });\n\n  }\n};\n\nvar setData = function(el, name, value) {\n  if (!el.data) {\n    el.data = {};\n  }\n\n  if (typeof name === 'object') return _.extend(el.data, name);\n  if (typeof name === 'string' && value !== undefined) {\n    el.data[name] = value;\n  } else if (typeof name === 'object') {\n    _.exend(el.data, name);\n  }\n};\n\n// Read the specified attribute from the equivalent HTML5 `data-*` attribute,\n// and (if present) cache the value in the node's internal data store. If no\n// attribute name is specified, read *all* HTML5 `data-*` attributes in this\n// manner.\nvar readData = function(el, name) {\n  var readAll = arguments.length === 1;\n  var domNames, domName, jsNames, jsName, value, idx, length;\n\n  if (readAll) {\n    domNames = Object.keys(el.attribs).filter(function(attrName) {\n      return attrName.slice(0, dataAttrPrefix.length) === dataAttrPrefix;\n    });\n    jsNames = domNames.map(function(domName) {\n      return camelCase(domName.slice(dataAttrPrefix.length));\n    });\n  } else {\n    domNames = [dataAttrPrefix + cssCase(name)];\n    jsNames = [name];\n  }\n\n  for (idx = 0, length = domNames.length; idx < length; ++idx) {\n    domName = domNames[idx];\n    jsName = jsNames[idx];\n    if (hasOwn.call(el.attribs, domName)) {\n      value = el.attribs[domName];\n\n      if (hasOwn.call(primitives, value)) {\n        value = primitives[value];\n      } else if (value === String(Number(value))) {\n        value = Number(value);\n      } else if (rbrace.test(value)) {\n        try {\n          value = JSON.parse(value);\n        } catch(e){ }\n      }\n\n      el.data[jsName] = value;\n    }\n  }\n\n  return readAll ? el.data : value;\n};\n\nexports.data = function(name, value) {\n  var elem = this[0];\n\n  if (!elem || !isTag(elem)) return;\n\n  if (!elem.data) {\n    elem.data = {};\n  }\n\n  // Return the entire data object if no data specified\n  if (!name) {\n    return readData(elem);\n  }\n\n  // Set the value (with attr map support)\n  if (typeof name === 'object' || value !== undefined) {\n    domEach(this, function(i, el) {\n      setData(el, name, value);\n    });\n    return this;\n  } else if (hasOwn.call(elem.data, name)) {\n    return elem.data[name];\n  }\n\n  return readData(elem, name);\n};\n\n/**\n * Get the value of an element\n */\n\nexports.val = function(value) {\n  var querying = arguments.length === 0,\n      element = this[0];\n\n  if(!element) return;\n\n  switch (element.name) {\n    case 'textarea':\n      return this.text(value);\n    case 'input':\n      switch (this.attr('type')) {\n        case 'radio':\n          if (querying) {\n            return this.attr('value');\n          } else {\n            this.attr('value', value);\n            return this;\n          }\n          break;\n        default:\n          return this.attr('value', value);\n      }\n      return;\n    case 'select':\n      var option = this.find('option:selected'),\n          returnValue;\n      if (option === undefined) return undefined;\n      if (!querying) {\n        if (!this.attr().hasOwnProperty('multiple') && typeof value == 'object') {\n          return this;\n        }\n        if (typeof value != 'object') {\n          value = [value];\n        }\n        this.find('option').removeAttr('selected');\n        for (var i = 0; i < value.length; i++) {\n          this.find('option[value=\"' + value[i] + '\"]').attr('selected', '');\n        }\n        return this;\n      }\n      returnValue = option.attr('value');\n      if (this.attr().hasOwnProperty('multiple')) {\n        returnValue = [];\n        domEach(option, function(i, el) {\n          returnValue.push(getAttr(el, 'value'));\n        });\n      }\n      return returnValue;\n    case 'option':\n      if (!querying) {\n        this.attr('value', value);\n        return this;\n      }\n      return this.attr('value');\n  }\n};\n\n/**\n * Remove an attribute\n */\n\nvar removeAttribute = function(elem, name) {\n  if (!elem.attribs || !hasOwn.call(elem.attribs, name))\n    return;\n\n  delete elem.attribs[name];\n};\n\n\nexports.removeAttr = function(name) {\n  domEach(this, function(i, elem) {\n    removeAttribute(elem, name);\n  });\n\n  return this;\n};\n\nexports.hasClass = function(className) {\n  return _.some(this, function(elem) {\n    var attrs = elem.attribs,\n        clazz = attrs && attrs['class'],\n        idx = -1,\n        end;\n\n    if (clazz) {\n      while ((idx = clazz.indexOf(className, idx+1)) > -1) {\n        end = idx + className.length;\n\n        if ((idx === 0 || rspace.test(clazz[idx-1]))\n            && (end === clazz.length || rspace.test(clazz[end]))) {\n          return true;\n        }\n      }\n    }\n  });\n};\n\nexports.addClass = function(value) {\n  // Support functions\n  if (typeof value === 'function') {\n    return domEach(this, function(i, el) {\n      var className = el.attribs['class'] || '';\n      exports.addClass.call([el], value.call(el, i, className));\n    });\n  }\n\n  // Return if no value or not a string or function\n  if (!value || typeof value !== 'string') return this;\n\n  var classNames = value.split(rspace),\n      numElements = this.length;\n\n\n  for (var i = 0; i < numElements; i++) {\n    // If selected element isn't a tag, move on\n    if (!isTag(this[i])) continue;\n\n    // If we don't already have classes\n    var className = getAttr(this[i], 'class'),\n        numClasses,\n        setClass;\n\n    if (!className) {\n      setAttr(this[i], 'class', classNames.join(' ').trim());\n    } else {\n      setClass = ' ' + className + ' ';\n      numClasses = classNames.length;\n\n      // Check if class already exists\n      for (var j = 0; j < numClasses; j++) {\n        var appendClass = classNames[j] + ' ';\n        if (setClass.indexOf(' ' + appendClass) < 0)\n          setClass += appendClass;\n      }\n\n      setAttr(this[i], 'class', setClass.trim());\n    }\n  }\n\n  return this;\n};\n\nvar splitClass = function(className) {\n  return className ? className.trim().split(rspace) : [];\n};\n\nexports.removeClass = function(value) {\n  var classes,\n      numClasses,\n      removeAll;\n\n  // Handle if value is a function\n  if (typeof value === 'function') {\n    return domEach(this, function(i, el) {\n      exports.removeClass.call(\n        [el], value.call(el, i, el.attribs['class'] || '')\n      );\n    });\n  }\n\n  classes = splitClass(value);\n  numClasses = classes.length;\n  removeAll = arguments.length === 0;\n\n  return domEach(this, function(i, el) {\n    if (!isTag(el)) return;\n\n    if (removeAll) {\n      // Short circuit the remove all case as this is the nice one\n      el.attribs.class = '';\n    } else {\n      var elClasses = splitClass(el.attribs.class),\n          index,\n          changed;\n\n      for (var j = 0; j < numClasses; j++) {\n        index = elClasses.indexOf(classes[j]);\n\n        if (index >= 0) {\n          elClasses.splice(index, 1);\n          changed = true;\n\n          // We have to do another pass to ensure that there are not duplicate\n          // classes listed\n          j--;\n        }\n      }\n      if (changed) {\n        el.attribs.class = elClasses.join(' ');\n      }\n    }\n  });\n};\n\nexports.toggleClass = function(value, stateVal) {\n  // Support functions\n  if (typeof value === 'function') {\n    return domEach(this, function(i, el) {\n      exports.toggleClass.call(\n        [el],\n        value.call(el, i, el.attribs['class'] || '', stateVal),\n        stateVal\n      );\n    });\n  }\n\n  // Return if no value or not a string or function\n  if (!value || typeof value !== 'string') return this;\n\n  var classNames = value.split(rspace),\n    numClasses = classNames.length,\n    state = typeof stateVal === 'boolean' ? stateVal ? 1 : -1 : 0,\n    numElements = this.length,\n    elementClasses,\n    index;\n\n  for (var i = 0; i < numElements; i++) {\n    // If selected element isn't a tag, move on\n    if (!isTag(this[i])) continue;\n\n    elementClasses = splitClass(this[i].attribs.class);\n\n    // Check if class already exists\n    for (var j = 0; j < numClasses; j++) {\n      // Check if the class name is currently defined\n      index = elementClasses.indexOf(classNames[j]);\n\n      // Add if stateValue === true or we are toggling and there is no value\n      if (state >= 0 && index < 0) {\n        elementClasses.push(classNames[j]);\n      } else if (state <= 0 && index >= 0) {\n        // Otherwise remove but only if the item exists\n        elementClasses.splice(index, 1);\n      }\n    }\n\n    this[i].attribs.class = elementClasses.join(' ');\n  }\n\n  return this;\n};\n\nexports.is = function (selector) {\n  if (selector) {\n    return this.filter(selector).length > 0;\n  }\n  return false;\n};\n\n","// removeSubsets\n// Given an array of nodes, remove any member that is contained by another.\nexports.removeSubsets = function(nodes) {\n\tvar idx = nodes.length, node, ancestor, replace;\n\n\t// Check if each node (or one of its ancestors) is already contained in the\n\t// array.\n\twhile (--idx > -1) {\n\t\tnode = ancestor = nodes[idx];\n\n\t\t// Temporarily remove the node under consideration\n\t\tnodes[idx] = null;\n\t\treplace = true;\n\n\t\twhile (ancestor) {\n\t\t\tif (nodes.indexOf(ancestor) > -1) {\n\t\t\t\treplace = false;\n\t\t\t\tnodes.splice(idx, 1);\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tancestor = ancestor.parent;\n\t\t}\n\n\t\t// If the node has been found to be unique, re-insert it.\n\t\tif (replace) {\n\t\t\tnodes[idx] = node;\n\t\t}\n\t}\n\n\treturn nodes;\n};\n\n// Source: http://dom.spec.whatwg.org/#dom-node-comparedocumentposition\nvar POSITION = {\n\tDISCONNECTED: 1,\n\tPRECEDING: 2,\n\tFOLLOWING: 4,\n\tCONTAINS: 8,\n\tCONTAINED_BY: 16\n};\n\n// Compare the position of one node against another node in any other document.\n// The return value is a bitmask with the following values:\n//\n// document order:\n// > There is an ordering, document order, defined on all the nodes in the\n// > document corresponding to the order in which the first character of the\n// > XML representation of each node occurs in the XML representation of the\n// > document after expansion of general entities. Thus, the document element\n// > node will be the first node. Element nodes occur before their children.\n// > Thus, document order orders element nodes in order of the occurrence of\n// > their start-tag in the XML (after expansion of entities). The attribute\n// > nodes of an element occur after the element and before its children. The\n// > relative order of attribute nodes is implementation-dependent./\n// Source:\n// http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order\n//\n// @argument {Node} nodaA The first node to use in the comparison\n// @argument {Node} nodeB The second node to use in the comparison\n//\n// @return {Number} A bitmask describing the input nodes' relative position.\n//         See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for\n//         a description of these values.\nvar comparePos = exports.compareDocumentPosition = function(nodeA, nodeB) {\n\tvar aParents = [];\n\tvar bParents = [];\n\tvar current, sharedParent, siblings, aSibling, bSibling, idx;\n\n\tif (nodeA === nodeB) {\n\t\treturn 0;\n\t}\n\n\tcurrent = nodeA;\n\twhile (current) {\n\t\taParents.unshift(current);\n\t\tcurrent = current.parent;\n\t}\n\tcurrent = nodeB;\n\twhile (current) {\n\t\tbParents.unshift(current);\n\t\tcurrent = current.parent;\n\t}\n\n\tidx = 0;\n\twhile (aParents[idx] === bParents[idx]) {\n\t\tidx++;\n\t}\n\n\tif (idx === 0) {\n\t\treturn POSITION.DISCONNECTED;\n\t}\n\n\tsharedParent = aParents[idx - 1];\n\tsiblings = sharedParent.children;\n\taSibling = aParents[idx];\n\tbSibling = bParents[idx];\n\n\tif (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {\n\t\tif (sharedParent === nodeB) {\n\t\t\treturn POSITION.FOLLOWING | POSITION.CONTAINED_BY;\n\t\t}\n\t\treturn POSITION.FOLLOWING;\n\t} else {\n\t\tif (sharedParent === nodeA) {\n\t\t\treturn POSITION.PRECEDING | POSITION.CONTAINS;\n\t\t}\n\t\treturn POSITION.PRECEDING;\n\t}\n};\n\n// Sort an array of nodes based on their relative position in the document and\n// remove any duplicate nodes. If the array contains nodes that do not belong\n// to the same document, sort order is unspecified.\n//\n// @argument {Array} nodes Array of DOM nodes\n//\n// @returns {Array} collection of unique nodes, sorted in document order\nexports.uniqueSort = function(nodes) {\n\tvar idx = nodes.length, node, position;\n\n\tnodes = nodes.slice();\n\n\twhile (--idx > -1) {\n\t\tnode = nodes[idx];\n\t\tposition = nodes.indexOf(node);\n\t\tif (position > -1 && position < idx) {\n\t\t\tnodes.splice(idx, 1);\n\t\t}\n\t}\n\tnodes.sort(function(a, b) {\n\t\tvar relative = comparePos(a, b);\n\t\tif (relative & POSITION.PRECEDING) {\n\t\t\treturn -1;\n\t\t} else if (relative & POSITION.FOLLOWING) {\n\t\t\treturn 1;\n\t\t}\n\t\treturn 0;\n\t});\n\n\treturn nodes;\n};\n","/*\n  Module dependencies\n*/\n\nvar parse = require('./parse'),\n    isHtml = require('./utils').isHtml,\n    _ = require('lodash');\n\n/*\n * The API\n */\n\nvar api = [\n  require('./api/attributes'),\n  require('./api/traversing'),\n  require('./api/manipulation'),\n  require('./api/css'),\n  require('./api/forms')\n];\n\n/*\n * Instance of cheerio\n */\n\nvar Cheerio = module.exports = function(selector, context, root, options) {\n  if (!(this instanceof Cheerio)) return new Cheerio(selector, context, root, options);\n\n  this.options = _.defaults(options || {}, this.options);\n\n  // $(), $(null), $(undefined), $(false)\n  if (!selector) return this;\n\n  if (root) {\n    if (typeof root === 'string') root = parse(root, this.options);\n    this._root = Cheerio.call(this, root);\n  }\n\n  // $($)\n  if (selector.cheerio) return selector;\n\n  // $(dom)\n  if (isNode(selector))\n    selector = [selector];\n\n  // $([dom])\n  if (Array.isArray(selector)) {\n    _.forEach(selector, _.bind(function(elem, idx) {\n      this[idx] = elem;\n    }, this));\n    this.length = selector.length;\n    return this;\n  }\n\n  // $(<html>)\n  if (typeof selector === 'string' && isHtml(selector)) {\n    return Cheerio.call(this, parse(selector, this.options).children);\n  }\n\n  // If we don't have a context, maybe we have a root, from loading\n  if (!context) {\n    context = this._root;\n  } else if (typeof context === 'string') {\n    if (isHtml(context)) {\n      // $('li', '<ul>...</ul>')\n      context = parse(context, this.options);\n      context = Cheerio.call(this, context);\n    } else {\n      // $('li', 'ul')\n      selector = [context, selector].join(' ');\n      context = this._root;\n    }\n  // $('li', node), $('li', [nodes])\n  } else if (!context.cheerio) {\n    context = Cheerio.call(this, context);\n  }\n\n  // If we still don't have a context, return\n  if (!context) return this;\n\n  // #id, .class, tag\n  return context.find(selector);\n};\n\n/**\n * Mix in `static`\n */\n\n_.extend(Cheerio, require('./static'));\n\n/*\n * Set a signature of the object\n */\n\nCheerio.prototype.cheerio = '[cheerio object]';\n\n/*\n * Cheerio default options\n */\n\nCheerio.prototype.options = {\n  withDomLvl1: true,\n  normalizeWhitespace: false,\n  xmlMode: false,\n  decodeEntities: true\n};\n\n/*\n * Make cheerio an array-like object\n */\n\nCheerio.prototype.length = 0;\nCheerio.prototype.splice = Array.prototype.splice;\n\n/*\n * Make a cheerio object\n *\n * @api private\n */\n\nCheerio.prototype._make = function(dom, context) {\n  var cheerio = new this.constructor(dom, context, this._root, this.options);\n  cheerio.prevObject = this;\n  return cheerio;\n};\n\n/**\n * Turn a cheerio object into an array\n */\n\nCheerio.prototype.toArray = function() {\n  return this.get();\n};\n\n/**\n * Plug in the API\n */\napi.forEach(function(mod) {\n  _.extend(Cheerio.prototype, mod);\n});\n\nvar isNode = function(obj) {\n  return obj.name || obj.type === 'text' || obj.type === 'comment';\n};\n","var DomUtils    = require(\"domutils\"),\n    isTag       = DomUtils.isTag,\n    getParent   = DomUtils.getParent,\n    getChildren = DomUtils.getChildren,\n    getSiblings = DomUtils.getSiblings,\n    getName     = DomUtils.getName;\n\n/*\n\tall available rules\n*/\nmodule.exports = {\n\t__proto__: null,\n\n\tattribute: require(\"./attributes.js\").compile,\n\tpseudo: require(\"./pseudos.js\").compile,\n\n\t//tags\n\ttag: function(next, data){\n\t\tvar name = data.name;\n\t\treturn function tag(elem){\n\t\t\treturn getName(elem) === name && next(elem);\n\t\t};\n\t},\n\n\t//traversal\n\tdescendant: function(next, rule, options, context, acceptSelf){\n\t\treturn function descendant(elem){\n\n\t\t\tif (acceptSelf && next(elem)) return true;\n\n\t\t\tvar found = false;\n\n\t\t\twhile(!found && (elem = getParent(elem))){\n\t\t\t\tfound = next(elem);\n\t\t\t}\n\n\t\t\treturn found;\n\t\t};\n\t},\n\tparent: function(next, data, options){\n\t\tif(options && options.strict) throw SyntaxError(\"Parent selector isn't part of CSS3\");\n\n\t\treturn function parent(elem){\n\t\t\treturn getChildren(elem).some(test);\n\t\t};\n\n\t\tfunction test(elem){\n\t\t\treturn isTag(elem) && next(elem);\n\t\t}\n\t},\n\tchild: function(next){\n\t\treturn function child(elem){\n\t\t\tvar parent = getParent(elem);\n\t\t\treturn !!parent && next(parent);\n\t\t};\n\t},\n\tsibling: function(next){\n\t\treturn function sibling(elem){\n\t\t\tvar siblings = getSiblings(elem);\n\n\t\t\tfor(var i = 0; i < siblings.length; i++){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\tif(next(siblings[i])) return true;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn false;\n\t\t};\n\t},\n\tadjacent: function(next){\n\t\treturn function adjacent(elem){\n\t\t\tvar siblings = getSiblings(elem),\n\t\t\t    lastElement;\n\n\t\t\tfor(var i = 0; i < siblings.length; i++){\n\t\t\t\tif(isTag(siblings[i])){\n\t\t\t\t\tif(siblings[i] === elem) break;\n\t\t\t\t\tlastElement = siblings[i];\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn !!lastElement && next(lastElement);\n\t\t};\n\t},\n\tuniversal: function(next){\n\t\treturn next;\n\t}\n};"],"sourceRoot":""}