| 1 |
- {"version":3,"file":"static/vendors~preview.014d44b79772935ed98a.bundle.js","sources":["webpack:///./node_modules/react/index.js","webpack:///./node_modules/object-assign/index.js","webpack:///./node_modules/showdown/dist/showdown.js","webpack:///./node_modules/classnames/index.js","webpack:///./node_modules/react-dom/cjs/react-dom.production.min.js","webpack:///./node_modules/react/cjs/react.production.min.js","webpack:///./node_modules/keycode/index.js","webpack:///./node_modules/es6-shim/es6-shim.js","webpack:///./node_modules/es5-shim/es5-sham.js","webpack:///./node_modules/es5-shim/es5-shim.js"],"sourcesContent":["'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/react.production.min.js');\n} else {\n module.exports = require('./cjs/react.development.js');\n}\n","/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n'use strict';\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = Object.prototype.propertyIsEnumerable;\n\nfunction toObject(val) {\n\tif (val === null || val === undefined) {\n\t\tthrow new TypeError('Object.assign cannot be called with null or undefined');\n\t}\n\n\treturn Object(val);\n}\n\nfunction shouldUseNative() {\n\ttry {\n\t\tif (!Object.assign) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Detect buggy property enumeration order in older V8 versions.\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=4118\n\t\tvar test1 = new String('abc'); // eslint-disable-line no-new-wrappers\n\t\ttest1[5] = 'de';\n\t\tif (Object.getOwnPropertyNames(test1)[0] === '5') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test2 = {};\n\t\tfor (var i = 0; i < 10; i++) {\n\t\t\ttest2['_' + String.fromCharCode(i)] = i;\n\t\t}\n\t\tvar order2 = Object.getOwnPropertyNames(test2).map(function (n) {\n\t\t\treturn test2[n];\n\t\t});\n\t\tif (order2.join('') !== '0123456789') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test3 = {};\n\t\t'abcdefghijklmnopqrst'.split('').forEach(function (letter) {\n\t\t\ttest3[letter] = letter;\n\t\t});\n\t\tif (Object.keys(Object.assign({}, test3)).join('') !==\n\t\t\t\t'abcdefghijklmnopqrst') {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t} catch (err) {\n\t\t// We don't expect any of the above to throw, but better to be safe.\n\t\treturn false;\n\t}\n}\n\nmodule.exports = shouldUseNative() ? Object.assign : function (target, source) {\n\tvar from;\n\tvar to = toObject(target);\n\tvar symbols;\n\n\tfor (var s = 1; s < arguments.length; s++) {\n\t\tfrom = Object(arguments[s]);\n\n\t\tfor (var key in from) {\n\t\t\tif (hasOwnProperty.call(from, key)) {\n\t\t\t\tto[key] = from[key];\n\t\t\t}\n\t\t}\n\n\t\tif (getOwnPropertySymbols) {\n\t\t\tsymbols = getOwnPropertySymbols(from);\n\t\t\tfor (var i = 0; i < symbols.length; i++) {\n\t\t\t\tif (propIsEnumerable.call(from, symbols[i])) {\n\t\t\t\t\tto[symbols[i]] = from[symbols[i]];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn to;\n};\n",";/*! showdown v 1.8.6 - 22-12-2017 */\r\n(function(){\r\n/**\n * Created by Tivie on 13-07-2015.\n */\n\nfunction getDefaultOpts (simple) {\n 'use strict';\n\n var defaultOptions = {\n omitExtraWLInCodeBlocks: {\n defaultValue: false,\n describe: 'Omit the default extra whiteline added to code blocks',\n type: 'boolean'\n },\n noHeaderId: {\n defaultValue: false,\n describe: 'Turn on/off generated header id',\n type: 'boolean'\n },\n prefixHeaderId: {\n defaultValue: false,\n describe: 'Add a prefix to the generated header ids. Passing a string will prefix that string to the header id. Setting to true will add a generic \\'section-\\' prefix',\n type: 'string'\n },\n rawPrefixHeaderId: {\n defaultValue: false,\n describe: 'Setting this option to true will prevent showdown from modifying the prefix. This might result in malformed IDs (if, for instance, the \" char is used in the prefix)',\n type: 'boolean'\n },\n ghCompatibleHeaderId: {\n defaultValue: false,\n describe: 'Generate header ids compatible with github style (spaces are replaced with dashes, a bunch of non alphanumeric chars are removed)',\n type: 'boolean'\n },\n rawHeaderId: {\n defaultValue: false,\n describe: 'Remove only spaces, \\' and \" from generated header ids (including prefixes), replacing them with dashes (-). WARNING: This might result in malformed ids',\n type: 'boolean'\n },\n headerLevelStart: {\n defaultValue: false,\n describe: 'The header blocks level start',\n type: 'integer'\n },\n parseImgDimensions: {\n defaultValue: false,\n describe: 'Turn on/off image dimension parsing',\n type: 'boolean'\n },\n simplifiedAutoLink: {\n defaultValue: false,\n describe: 'Turn on/off GFM autolink style',\n type: 'boolean'\n },\n excludeTrailingPunctuationFromURLs: {\n defaultValue: false,\n describe: 'Excludes trailing punctuation from links generated with autoLinking',\n type: 'boolean'\n },\n literalMidWordUnderscores: {\n defaultValue: false,\n describe: 'Parse midword underscores as literal underscores',\n type: 'boolean'\n },\n literalMidWordAsterisks: {\n defaultValue: false,\n describe: 'Parse midword asterisks as literal asterisks',\n type: 'boolean'\n },\n strikethrough: {\n defaultValue: false,\n describe: 'Turn on/off strikethrough support',\n type: 'boolean'\n },\n tables: {\n defaultValue: false,\n describe: 'Turn on/off tables support',\n type: 'boolean'\n },\n tablesHeaderId: {\n defaultValue: false,\n describe: 'Add an id to table headers',\n type: 'boolean'\n },\n ghCodeBlocks: {\n defaultValue: true,\n describe: 'Turn on/off GFM fenced code blocks support',\n type: 'boolean'\n },\n tasklists: {\n defaultValue: false,\n describe: 'Turn on/off GFM tasklist support',\n type: 'boolean'\n },\n smoothLivePreview: {\n defaultValue: false,\n describe: 'Prevents weird effects in live previews due to incomplete input',\n type: 'boolean'\n },\n smartIndentationFix: {\n defaultValue: false,\n description: 'Tries to smartly fix indentation in es6 strings',\n type: 'boolean'\n },\n disableForced4SpacesIndentedSublists: {\n defaultValue: false,\n description: 'Disables the requirement of indenting nested sublists by 4 spaces',\n type: 'boolean'\n },\n simpleLineBreaks: {\n defaultValue: false,\n description: 'Parses simple line breaks as <br> (GFM Style)',\n type: 'boolean'\n },\n requireSpaceBeforeHeadingText: {\n defaultValue: false,\n description: 'Makes adding a space between `#` and the header text mandatory (GFM Style)',\n type: 'boolean'\n },\n ghMentions: {\n defaultValue: false,\n description: 'Enables github @mentions',\n type: 'boolean'\n },\n ghMentionsLink: {\n defaultValue: 'https://github.com/{u}',\n description: 'Changes the link generated by @mentions. Only applies if ghMentions option is enabled.',\n type: 'string'\n },\n encodeEmails: {\n defaultValue: true,\n description: 'Encode e-mail addresses through the use of Character Entities, transforming ASCII e-mail addresses into its equivalent decimal entities',\n type: 'boolean'\n },\n openLinksInNewWindow: {\n defaultValue: false,\n description: 'Open all links in new windows',\n type: 'boolean'\n },\n backslashEscapesHTMLTags: {\n defaultValue: false,\n description: 'Support for HTML Tag escaping. ex: \\<div>foo\\</div>',\n type: 'boolean'\n },\n emoji: {\n defaultValue: false,\n description: 'Enable emoji support. Ex: `this is a :smile: emoji`',\n type: 'boolean'\n },\n underline: {\n defaultValue: false,\n description: 'Enable support for underline. Syntax is double or triple underscores: `__underline word__`. With this option enabled, underscores no longer parses into `<em>` and `<strong>`',\n type: 'boolean'\n },\n completeHTMLDocument: {\n defaultValue: false,\n description: 'Outputs a complete html document, including `<html>`, `<head>` and `<body>` tags',\n type: 'boolean'\n },\n metadata: {\n defaultValue: false,\n description: 'Enable support for document metadata (defined at the top of the document between `«««` and `»»»` or between `---` and `---`).',\n type: 'boolean'\n },\n splitAdjacentBlockquotes: {\n defaultValue: false,\n description: 'Split adjacent blockquote blocks',\n type: 'boolean'\n }\n };\n if (simple === false) {\n return JSON.parse(JSON.stringify(defaultOptions));\n }\n var ret = {};\n for (var opt in defaultOptions) {\n if (defaultOptions.hasOwnProperty(opt)) {\n ret[opt] = defaultOptions[opt].defaultValue;\n }\n }\n return ret;\n}\n\nfunction allOptionsOn () {\n 'use strict';\n var options = getDefaultOpts(true),\n ret = {};\n for (var opt in options) {\n if (options.hasOwnProperty(opt)) {\n ret[opt] = true;\n }\n }\n return ret;\n}\n\r\n/**\n * Created by Tivie on 06-01-2015.\n */\n\n// Private properties\nvar showdown = {},\n parsers = {},\n extensions = {},\n globalOptions = getDefaultOpts(true),\n setFlavor = 'vanilla',\n flavor = {\n github: {\n omitExtraWLInCodeBlocks: true,\n simplifiedAutoLink: true,\n excludeTrailingPunctuationFromURLs: true,\n literalMidWordUnderscores: true,\n strikethrough: true,\n tables: true,\n tablesHeaderId: true,\n ghCodeBlocks: true,\n tasklists: true,\n disableForced4SpacesIndentedSublists: true,\n simpleLineBreaks: true,\n requireSpaceBeforeHeadingText: true,\n ghCompatibleHeaderId: true,\n ghMentions: true,\n backslashEscapesHTMLTags: true,\n emoji: true,\n splitAdjacentBlockquotes: true\n },\n original: {\n noHeaderId: true,\n ghCodeBlocks: false\n },\n ghost: {\n omitExtraWLInCodeBlocks: true,\n parseImgDimensions: true,\n simplifiedAutoLink: true,\n excludeTrailingPunctuationFromURLs: true,\n literalMidWordUnderscores: true,\n strikethrough: true,\n tables: true,\n tablesHeaderId: true,\n ghCodeBlocks: true,\n tasklists: true,\n smoothLivePreview: true,\n simpleLineBreaks: true,\n requireSpaceBeforeHeadingText: true,\n ghMentions: false,\n encodeEmails: true\n },\n vanilla: getDefaultOpts(true),\n allOn: allOptionsOn()\n };\n\n/**\n * helper namespace\n * @type {{}}\n */\nshowdown.helper = {};\n\n/**\n * TODO LEGACY SUPPORT CODE\n * @type {{}}\n */\nshowdown.extensions = {};\n\n/**\n * Set a global option\n * @static\n * @param {string} key\n * @param {*} value\n * @returns {showdown}\n */\nshowdown.setOption = function (key, value) {\n 'use strict';\n globalOptions[key] = value;\n return this;\n};\n\n/**\n * Get a global option\n * @static\n * @param {string} key\n * @returns {*}\n */\nshowdown.getOption = function (key) {\n 'use strict';\n return globalOptions[key];\n};\n\n/**\n * Get the global options\n * @static\n * @returns {{}}\n */\nshowdown.getOptions = function () {\n 'use strict';\n return globalOptions;\n};\n\n/**\n * Reset global options to the default values\n * @static\n */\nshowdown.resetOptions = function () {\n 'use strict';\n globalOptions = getDefaultOpts(true);\n};\n\n/**\n * Set the flavor showdown should use as default\n * @param {string} name\n */\nshowdown.setFlavor = function (name) {\n 'use strict';\n if (!flavor.hasOwnProperty(name)) {\n throw Error(name + ' flavor was not found');\n }\n showdown.resetOptions();\n var preset = flavor[name];\n setFlavor = name;\n for (var option in preset) {\n if (preset.hasOwnProperty(option)) {\n globalOptions[option] = preset[option];\n }\n }\n};\n\n/**\n * Get the currently set flavor\n * @returns {string}\n */\nshowdown.getFlavor = function () {\n 'use strict';\n return setFlavor;\n};\n\n/**\n * Get the options of a specified flavor. Returns undefined if the flavor was not found\n * @param {string} name Name of the flavor\n * @returns {{}|undefined}\n */\nshowdown.getFlavorOptions = function (name) {\n 'use strict';\n if (flavor.hasOwnProperty(name)) {\n return flavor[name];\n }\n};\n\n/**\n * Get the default options\n * @static\n * @param {boolean} [simple=true]\n * @returns {{}}\n */\nshowdown.getDefaultOptions = function (simple) {\n 'use strict';\n return getDefaultOpts(simple);\n};\n\n/**\n * Get or set a subParser\n *\n * subParser(name) - Get a registered subParser\n * subParser(name, func) - Register a subParser\n * @static\n * @param {string} name\n * @param {function} [func]\n * @returns {*}\n */\nshowdown.subParser = function (name, func) {\n 'use strict';\n if (showdown.helper.isString(name)) {\n if (typeof func !== 'undefined') {\n parsers[name] = func;\n } else {\n if (parsers.hasOwnProperty(name)) {\n return parsers[name];\n } else {\n throw Error('SubParser named ' + name + ' not registered!');\n }\n }\n }\n};\n\n/**\n * Gets or registers an extension\n * @static\n * @param {string} name\n * @param {object|function=} ext\n * @returns {*}\n */\nshowdown.extension = function (name, ext) {\n 'use strict';\n\n if (!showdown.helper.isString(name)) {\n throw Error('Extension \\'name\\' must be a string');\n }\n\n name = showdown.helper.stdExtName(name);\n\n // Getter\n if (showdown.helper.isUndefined(ext)) {\n if (!extensions.hasOwnProperty(name)) {\n throw Error('Extension named ' + name + ' is not registered!');\n }\n return extensions[name];\n\n // Setter\n } else {\n // Expand extension if it's wrapped in a function\n if (typeof ext === 'function') {\n ext = ext();\n }\n\n // Ensure extension is an array\n if (!showdown.helper.isArray(ext)) {\n ext = [ext];\n }\n\n var validExtension = validate(ext, name);\n\n if (validExtension.valid) {\n extensions[name] = ext;\n } else {\n throw Error(validExtension.error);\n }\n }\n};\n\n/**\n * Gets all extensions registered\n * @returns {{}}\n */\nshowdown.getAllExtensions = function () {\n 'use strict';\n return extensions;\n};\n\n/**\n * Remove an extension\n * @param {string} name\n */\nshowdown.removeExtension = function (name) {\n 'use strict';\n delete extensions[name];\n};\n\n/**\n * Removes all extensions\n */\nshowdown.resetExtensions = function () {\n 'use strict';\n extensions = {};\n};\n\n/**\n * Validate extension\n * @param {array} extension\n * @param {string} name\n * @returns {{valid: boolean, error: string}}\n */\nfunction validate (extension, name) {\n 'use strict';\n\n var errMsg = (name) ? 'Error in ' + name + ' extension->' : 'Error in unnamed extension',\n ret = {\n valid: true,\n error: ''\n };\n\n if (!showdown.helper.isArray(extension)) {\n extension = [extension];\n }\n\n for (var i = 0; i < extension.length; ++i) {\n var baseMsg = errMsg + ' sub-extension ' + i + ': ',\n ext = extension[i];\n if (typeof ext !== 'object') {\n ret.valid = false;\n ret.error = baseMsg + 'must be an object, but ' + typeof ext + ' given';\n return ret;\n }\n\n if (!showdown.helper.isString(ext.type)) {\n ret.valid = false;\n ret.error = baseMsg + 'property \"type\" must be a string, but ' + typeof ext.type + ' given';\n return ret;\n }\n\n var type = ext.type = ext.type.toLowerCase();\n\n // normalize extension type\n if (type === 'language') {\n type = ext.type = 'lang';\n }\n\n if (type === 'html') {\n type = ext.type = 'output';\n }\n\n if (type !== 'lang' && type !== 'output' && type !== 'listener') {\n ret.valid = false;\n ret.error = baseMsg + 'type ' + type + ' is not recognized. Valid values: \"lang/language\", \"output/html\" or \"listener\"';\n return ret;\n }\n\n if (type === 'listener') {\n if (showdown.helper.isUndefined(ext.listeners)) {\n ret.valid = false;\n ret.error = baseMsg + '. Extensions of type \"listener\" must have a property called \"listeners\"';\n return ret;\n }\n } else {\n if (showdown.helper.isUndefined(ext.filter) && showdown.helper.isUndefined(ext.regex)) {\n ret.valid = false;\n ret.error = baseMsg + type + ' extensions must define either a \"regex\" property or a \"filter\" method';\n return ret;\n }\n }\n\n if (ext.listeners) {\n if (typeof ext.listeners !== 'object') {\n ret.valid = false;\n ret.error = baseMsg + '\"listeners\" property must be an object but ' + typeof ext.listeners + ' given';\n return ret;\n }\n for (var ln in ext.listeners) {\n if (ext.listeners.hasOwnProperty(ln)) {\n if (typeof ext.listeners[ln] !== 'function') {\n ret.valid = false;\n ret.error = baseMsg + '\"listeners\" property must be an hash of [event name]: [callback]. listeners.' + ln +\n ' must be a function but ' + typeof ext.listeners[ln] + ' given';\n return ret;\n }\n }\n }\n }\n\n if (ext.filter) {\n if (typeof ext.filter !== 'function') {\n ret.valid = false;\n ret.error = baseMsg + '\"filter\" must be a function, but ' + typeof ext.filter + ' given';\n return ret;\n }\n } else if (ext.regex) {\n if (showdown.helper.isString(ext.regex)) {\n ext.regex = new RegExp(ext.regex, 'g');\n }\n if (!(ext.regex instanceof RegExp)) {\n ret.valid = false;\n ret.error = baseMsg + '\"regex\" property must either be a string or a RegExp object, but ' + typeof ext.regex + ' given';\n return ret;\n }\n if (showdown.helper.isUndefined(ext.replace)) {\n ret.valid = false;\n ret.error = baseMsg + '\"regex\" extensions must implement a replace string or function';\n return ret;\n }\n }\n }\n return ret;\n}\n\n/**\n * Validate extension\n * @param {object} ext\n * @returns {boolean}\n */\nshowdown.validateExtension = function (ext) {\n 'use strict';\n\n var validateExtension = validate(ext, null);\n if (!validateExtension.valid) {\n console.warn(validateExtension.error);\n return false;\n }\n return true;\n};\n\r\n/**\n * showdownjs helper functions\n */\n\nif (!showdown.hasOwnProperty('helper')) {\n showdown.helper = {};\n}\n\n/**\n * Check if var is string\n * @static\n * @param {string} a\n * @returns {boolean}\n */\nshowdown.helper.isString = function (a) {\n 'use strict';\n return (typeof a === 'string' || a instanceof String);\n};\n\n/**\n * Check if var is a function\n * @static\n * @param {*} a\n * @returns {boolean}\n */\nshowdown.helper.isFunction = function (a) {\n 'use strict';\n var getType = {};\n return a && getType.toString.call(a) === '[object Function]';\n};\n\n/**\n * isArray helper function\n * @static\n * @param {*} a\n * @returns {boolean}\n */\nshowdown.helper.isArray = function (a) {\n 'use strict';\n return Array.isArray(a);\n};\n\n/**\n * Check if value is undefined\n * @static\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n */\nshowdown.helper.isUndefined = function (value) {\n 'use strict';\n return typeof value === 'undefined';\n};\n\n/**\n * ForEach helper function\n * Iterates over Arrays and Objects (own properties only)\n * @static\n * @param {*} obj\n * @param {function} callback Accepts 3 params: 1. value, 2. key, 3. the original array/object\n */\nshowdown.helper.forEach = function (obj, callback) {\n 'use strict';\n // check if obj is defined\n if (showdown.helper.isUndefined(obj)) {\n throw new Error('obj param is required');\n }\n\n if (showdown.helper.isUndefined(callback)) {\n throw new Error('callback param is required');\n }\n\n if (!showdown.helper.isFunction(callback)) {\n throw new Error('callback param must be a function/closure');\n }\n\n if (typeof obj.forEach === 'function') {\n obj.forEach(callback);\n } else if (showdown.helper.isArray(obj)) {\n for (var i = 0; i < obj.length; i++) {\n callback(obj[i], i, obj);\n }\n } else if (typeof (obj) === 'object') {\n for (var prop in obj) {\n if (obj.hasOwnProperty(prop)) {\n callback(obj[prop], prop, obj);\n }\n }\n } else {\n throw new Error('obj does not seem to be an array or an iterable object');\n }\n};\n\n/**\n * Standardidize extension name\n * @static\n * @param {string} s extension name\n * @returns {string}\n */\nshowdown.helper.stdExtName = function (s) {\n 'use strict';\n return s.replace(/[_?*+\\/\\\\.^-]/g, '').replace(/\\s/g, '').toLowerCase();\n};\n\nfunction escapeCharactersCallback (wholeMatch, m1) {\n 'use strict';\n var charCodeToEscape = m1.charCodeAt(0);\n return '¨E' + charCodeToEscape + 'E';\n}\n\n/**\n * Callback used to escape characters when passing through String.replace\n * @static\n * @param {string} wholeMatch\n * @param {string} m1\n * @returns {string}\n */\nshowdown.helper.escapeCharactersCallback = escapeCharactersCallback;\n\n/**\n * Escape characters in a string\n * @static\n * @param {string} text\n * @param {string} charsToEscape\n * @param {boolean} afterBackslash\n * @returns {XML|string|void|*}\n */\nshowdown.helper.escapeCharacters = function (text, charsToEscape, afterBackslash) {\n 'use strict';\n // First we have to escape the escape characters so that\n // we can build a character class out of them\n var regexString = '([' + charsToEscape.replace(/([\\[\\]\\\\])/g, '\\\\$1') + '])';\n\n if (afterBackslash) {\n regexString = '\\\\\\\\' + regexString;\n }\n\n var regex = new RegExp(regexString, 'g');\n text = text.replace(regex, escapeCharactersCallback);\n\n return text;\n};\n\nvar rgxFindMatchPos = function (str, left, right, flags) {\n 'use strict';\n var f = flags || '',\n g = f.indexOf('g') > -1,\n x = new RegExp(left + '|' + right, 'g' + f.replace(/g/g, '')),\n l = new RegExp(left, f.replace(/g/g, '')),\n pos = [],\n t, s, m, start, end;\n\n do {\n t = 0;\n while ((m = x.exec(str))) {\n if (l.test(m[0])) {\n if (!(t++)) {\n s = x.lastIndex;\n start = s - m[0].length;\n }\n } else if (t) {\n if (!--t) {\n end = m.index + m[0].length;\n var obj = {\n left: {start: start, end: s},\n match: {start: s, end: m.index},\n right: {start: m.index, end: end},\n wholeMatch: {start: start, end: end}\n };\n pos.push(obj);\n if (!g) {\n return pos;\n }\n }\n }\n }\n } while (t && (x.lastIndex = s));\n\n return pos;\n};\n\n/**\n * matchRecursiveRegExp\n *\n * (c) 2007 Steven Levithan <stevenlevithan.com>\n * MIT License\n *\n * Accepts a string to search, a left and right format delimiter\n * as regex patterns, and optional regex flags. Returns an array\n * of matches, allowing nested instances of left/right delimiters.\n * Use the \"g\" flag to return all matches, otherwise only the\n * first is returned. Be careful to ensure that the left and\n * right format delimiters produce mutually exclusive matches.\n * Backreferences are not supported within the right delimiter\n * due to how it is internally combined with the left delimiter.\n * When matching strings whose format delimiters are unbalanced\n * to the left or right, the output is intentionally as a\n * conventional regex library with recursion support would\n * produce, e.g. \"<<x>\" and \"<x>>\" both produce [\"x\"] when using\n * \"<\" and \">\" as the delimiters (both strings contain a single,\n * balanced instance of \"<x>\").\n *\n * examples:\n * matchRecursiveRegExp(\"test\", \"\\\\(\", \"\\\\)\")\n * returns: []\n * matchRecursiveRegExp(\"<t<<e>><s>>t<>\", \"<\", \">\", \"g\")\n * returns: [\"t<<e>><s>\", \"\"]\n * matchRecursiveRegExp(\"<div id=\\\"x\\\">test</div>\", \"<div\\\\b[^>]*>\", \"</div>\", \"gi\")\n * returns: [\"test\"]\n */\nshowdown.helper.matchRecursiveRegExp = function (str, left, right, flags) {\n 'use strict';\n\n var matchPos = rgxFindMatchPos (str, left, right, flags),\n results = [];\n\n for (var i = 0; i < matchPos.length; ++i) {\n results.push([\n str.slice(matchPos[i].wholeMatch.start, matchPos[i].wholeMatch.end),\n str.slice(matchPos[i].match.start, matchPos[i].match.end),\n str.slice(matchPos[i].left.start, matchPos[i].left.end),\n str.slice(matchPos[i].right.start, matchPos[i].right.end)\n ]);\n }\n return results;\n};\n\n/**\n *\n * @param {string} str\n * @param {string|function} replacement\n * @param {string} left\n * @param {string} right\n * @param {string} flags\n * @returns {string}\n */\nshowdown.helper.replaceRecursiveRegExp = function (str, replacement, left, right, flags) {\n 'use strict';\n\n if (!showdown.helper.isFunction(replacement)) {\n var repStr = replacement;\n replacement = function () {\n return repStr;\n };\n }\n\n var matchPos = rgxFindMatchPos(str, left, right, flags),\n finalStr = str,\n lng = matchPos.length;\n\n if (lng > 0) {\n var bits = [];\n if (matchPos[0].wholeMatch.start !== 0) {\n bits.push(str.slice(0, matchPos[0].wholeMatch.start));\n }\n for (var i = 0; i < lng; ++i) {\n bits.push(\n replacement(\n str.slice(matchPos[i].wholeMatch.start, matchPos[i].wholeMatch.end),\n str.slice(matchPos[i].match.start, matchPos[i].match.end),\n str.slice(matchPos[i].left.start, matchPos[i].left.end),\n str.slice(matchPos[i].right.start, matchPos[i].right.end)\n )\n );\n if (i < lng - 1) {\n bits.push(str.slice(matchPos[i].wholeMatch.end, matchPos[i + 1].wholeMatch.start));\n }\n }\n if (matchPos[lng - 1].wholeMatch.end < str.length) {\n bits.push(str.slice(matchPos[lng - 1].wholeMatch.end));\n }\n finalStr = bits.join('');\n }\n return finalStr;\n};\n\n/**\n * Returns the index within the passed String object of the first occurrence of the specified regex,\n * starting the search at fromIndex. Returns -1 if the value is not found.\n *\n * @param {string} str string to search\n * @param {RegExp} regex Regular expression to search\n * @param {int} [fromIndex = 0] Index to start the search\n * @returns {Number}\n * @throws InvalidArgumentError\n */\nshowdown.helper.regexIndexOf = function (str, regex, fromIndex) {\n 'use strict';\n if (!showdown.helper.isString(str)) {\n throw 'InvalidArgumentError: first parameter of showdown.helper.regexIndexOf function must be a string';\n }\n if (regex instanceof RegExp === false) {\n throw 'InvalidArgumentError: second parameter of showdown.helper.regexIndexOf function must be an instance of RegExp';\n }\n var indexOf = str.substring(fromIndex || 0).search(regex);\n return (indexOf >= 0) ? (indexOf + (fromIndex || 0)) : indexOf;\n};\n\n/**\n * Splits the passed string object at the defined index, and returns an array composed of the two substrings\n * @param {string} str string to split\n * @param {int} index index to split string at\n * @returns {[string,string]}\n * @throws InvalidArgumentError\n */\nshowdown.helper.splitAtIndex = function (str, index) {\n 'use strict';\n if (!showdown.helper.isString(str)) {\n throw 'InvalidArgumentError: first parameter of showdown.helper.regexIndexOf function must be a string';\n }\n return [str.substring(0, index), str.substring(index)];\n};\n\n/**\n * Obfuscate an e-mail address through the use of Character Entities,\n * transforming ASCII characters into their equivalent decimal or hex entities.\n *\n * Since it has a random component, subsequent calls to this function produce different results\n *\n * @param {string} mail\n * @returns {string}\n */\nshowdown.helper.encodeEmailAddress = function (mail) {\n 'use strict';\n var encode = [\n function (ch) {\n return '&#' + ch.charCodeAt(0) + ';';\n },\n function (ch) {\n return '&#x' + ch.charCodeAt(0).toString(16) + ';';\n },\n function (ch) {\n return ch;\n }\n ];\n\n mail = mail.replace(/./g, function (ch) {\n if (ch === '@') {\n // this *must* be encoded. I insist.\n ch = encode[Math.floor(Math.random() * 2)](ch);\n } else {\n var r = Math.random();\n // roughly 10% raw, 45% hex, 45% dec\n ch = (\n r > 0.9 ? encode[2](ch) : r > 0.45 ? encode[1](ch) : encode[0](ch)\n );\n }\n return ch;\n });\n\n return mail;\n};\n\n/**\n * POLYFILLS\n */\n// use this instead of builtin is undefined for IE8 compatibility\nif (typeof(console) === 'undefined') {\n console = {\n warn: function (msg) {\n 'use strict';\n alert(msg);\n },\n log: function (msg) {\n 'use strict';\n alert(msg);\n },\n error: function (msg) {\n 'use strict';\n throw msg;\n }\n };\n}\n\n/**\n * Common regexes.\n * We declare some common regexes to improve performance\n */\nshowdown.helper.regexes = {\n asteriskDashAndColon: /([*_:~])/g\n};\n\n/**\n * EMOJIS LIST\n */\nshowdown.helper.emojis = {\n '+1':'\\ud83d\\udc4d',\n '-1':'\\ud83d\\udc4e',\n '100':'\\ud83d\\udcaf',\n '1234':'\\ud83d\\udd22',\n '1st_place_medal':'\\ud83e\\udd47',\n '2nd_place_medal':'\\ud83e\\udd48',\n '3rd_place_medal':'\\ud83e\\udd49',\n '8ball':'\\ud83c\\udfb1',\n 'a':'\\ud83c\\udd70\\ufe0f',\n 'ab':'\\ud83c\\udd8e',\n 'abc':'\\ud83d\\udd24',\n 'abcd':'\\ud83d\\udd21',\n 'accept':'\\ud83c\\ude51',\n 'aerial_tramway':'\\ud83d\\udea1',\n 'airplane':'\\u2708\\ufe0f',\n 'alarm_clock':'\\u23f0',\n 'alembic':'\\u2697\\ufe0f',\n 'alien':'\\ud83d\\udc7d',\n 'ambulance':'\\ud83d\\ude91',\n 'amphora':'\\ud83c\\udffa',\n 'anchor':'\\u2693\\ufe0f',\n 'angel':'\\ud83d\\udc7c',\n 'anger':'\\ud83d\\udca2',\n 'angry':'\\ud83d\\ude20',\n 'anguished':'\\ud83d\\ude27',\n 'ant':'\\ud83d\\udc1c',\n 'apple':'\\ud83c\\udf4e',\n 'aquarius':'\\u2652\\ufe0f',\n 'aries':'\\u2648\\ufe0f',\n 'arrow_backward':'\\u25c0\\ufe0f',\n 'arrow_double_down':'\\u23ec',\n 'arrow_double_up':'\\u23eb',\n 'arrow_down':'\\u2b07\\ufe0f',\n 'arrow_down_small':'\\ud83d\\udd3d',\n 'arrow_forward':'\\u25b6\\ufe0f',\n 'arrow_heading_down':'\\u2935\\ufe0f',\n 'arrow_heading_up':'\\u2934\\ufe0f',\n 'arrow_left':'\\u2b05\\ufe0f',\n 'arrow_lower_left':'\\u2199\\ufe0f',\n 'arrow_lower_right':'\\u2198\\ufe0f',\n 'arrow_right':'\\u27a1\\ufe0f',\n 'arrow_right_hook':'\\u21aa\\ufe0f',\n 'arrow_up':'\\u2b06\\ufe0f',\n 'arrow_up_down':'\\u2195\\ufe0f',\n 'arrow_up_small':'\\ud83d\\udd3c',\n 'arrow_upper_left':'\\u2196\\ufe0f',\n 'arrow_upper_right':'\\u2197\\ufe0f',\n 'arrows_clockwise':'\\ud83d\\udd03',\n 'arrows_counterclockwise':'\\ud83d\\udd04',\n 'art':'\\ud83c\\udfa8',\n 'articulated_lorry':'\\ud83d\\ude9b',\n 'artificial_satellite':'\\ud83d\\udef0',\n 'astonished':'\\ud83d\\ude32',\n 'athletic_shoe':'\\ud83d\\udc5f',\n 'atm':'\\ud83c\\udfe7',\n 'atom_symbol':'\\u269b\\ufe0f',\n 'avocado':'\\ud83e\\udd51',\n 'b':'\\ud83c\\udd71\\ufe0f',\n 'baby':'\\ud83d\\udc76',\n 'baby_bottle':'\\ud83c\\udf7c',\n 'baby_chick':'\\ud83d\\udc24',\n 'baby_symbol':'\\ud83d\\udebc',\n 'back':'\\ud83d\\udd19',\n 'bacon':'\\ud83e\\udd53',\n 'badminton':'\\ud83c\\udff8',\n 'baggage_claim':'\\ud83d\\udec4',\n 'baguette_bread':'\\ud83e\\udd56',\n 'balance_scale':'\\u2696\\ufe0f',\n 'balloon':'\\ud83c\\udf88',\n 'ballot_box':'\\ud83d\\uddf3',\n 'ballot_box_with_check':'\\u2611\\ufe0f',\n 'bamboo':'\\ud83c\\udf8d',\n 'banana':'\\ud83c\\udf4c',\n 'bangbang':'\\u203c\\ufe0f',\n 'bank':'\\ud83c\\udfe6',\n 'bar_chart':'\\ud83d\\udcca',\n 'barber':'\\ud83d\\udc88',\n 'baseball':'\\u26be\\ufe0f',\n 'basketball':'\\ud83c\\udfc0',\n 'basketball_man':'\\u26f9\\ufe0f',\n 'basketball_woman':'\\u26f9\\ufe0f‍\\u2640\\ufe0f',\n 'bat':'\\ud83e\\udd87',\n 'bath':'\\ud83d\\udec0',\n 'bathtub':'\\ud83d\\udec1',\n 'battery':'\\ud83d\\udd0b',\n 'beach_umbrella':'\\ud83c\\udfd6',\n 'bear':'\\ud83d\\udc3b',\n 'bed':'\\ud83d\\udecf',\n 'bee':'\\ud83d\\udc1d',\n 'beer':'\\ud83c\\udf7a',\n 'beers':'\\ud83c\\udf7b',\n 'beetle':'\\ud83d\\udc1e',\n 'beginner':'\\ud83d\\udd30',\n 'bell':'\\ud83d\\udd14',\n 'bellhop_bell':'\\ud83d\\udece',\n 'bento':'\\ud83c\\udf71',\n 'biking_man':'\\ud83d\\udeb4',\n 'bike':'\\ud83d\\udeb2',\n 'biking_woman':'\\ud83d\\udeb4‍\\u2640\\ufe0f',\n 'bikini':'\\ud83d\\udc59',\n 'biohazard':'\\u2623\\ufe0f',\n 'bird':'\\ud83d\\udc26',\n 'birthday':'\\ud83c\\udf82',\n 'black_circle':'\\u26ab\\ufe0f',\n 'black_flag':'\\ud83c\\udff4',\n 'black_heart':'\\ud83d\\udda4',\n 'black_joker':'\\ud83c\\udccf',\n 'black_large_square':'\\u2b1b\\ufe0f',\n 'black_medium_small_square':'\\u25fe\\ufe0f',\n 'black_medium_square':'\\u25fc\\ufe0f',\n 'black_nib':'\\u2712\\ufe0f',\n 'black_small_square':'\\u25aa\\ufe0f',\n 'black_square_button':'\\ud83d\\udd32',\n 'blonde_man':'\\ud83d\\udc71',\n 'blonde_woman':'\\ud83d\\udc71‍\\u2640\\ufe0f',\n 'blossom':'\\ud83c\\udf3c',\n 'blowfish':'\\ud83d\\udc21',\n 'blue_book':'\\ud83d\\udcd8',\n 'blue_car':'\\ud83d\\ude99',\n 'blue_heart':'\\ud83d\\udc99',\n 'blush':'\\ud83d\\ude0a',\n 'boar':'\\ud83d\\udc17',\n 'boat':'\\u26f5\\ufe0f',\n 'bomb':'\\ud83d\\udca3',\n 'book':'\\ud83d\\udcd6',\n 'bookmark':'\\ud83d\\udd16',\n 'bookmark_tabs':'\\ud83d\\udcd1',\n 'books':'\\ud83d\\udcda',\n 'boom':'\\ud83d\\udca5',\n 'boot':'\\ud83d\\udc62',\n 'bouquet':'\\ud83d\\udc90',\n 'bowing_man':'\\ud83d\\ude47',\n 'bow_and_arrow':'\\ud83c\\udff9',\n 'bowing_woman':'\\ud83d\\ude47‍\\u2640\\ufe0f',\n 'bowling':'\\ud83c\\udfb3',\n 'boxing_glove':'\\ud83e\\udd4a',\n 'boy':'\\ud83d\\udc66',\n 'bread':'\\ud83c\\udf5e',\n 'bride_with_veil':'\\ud83d\\udc70',\n 'bridge_at_night':'\\ud83c\\udf09',\n 'briefcase':'\\ud83d\\udcbc',\n 'broken_heart':'\\ud83d\\udc94',\n 'bug':'\\ud83d\\udc1b',\n 'building_construction':'\\ud83c\\udfd7',\n 'bulb':'\\ud83d\\udca1',\n 'bullettrain_front':'\\ud83d\\ude85',\n 'bullettrain_side':'\\ud83d\\ude84',\n 'burrito':'\\ud83c\\udf2f',\n 'bus':'\\ud83d\\ude8c',\n 'business_suit_levitating':'\\ud83d\\udd74',\n 'busstop':'\\ud83d\\ude8f',\n 'bust_in_silhouette':'\\ud83d\\udc64',\n 'busts_in_silhouette':'\\ud83d\\udc65',\n 'butterfly':'\\ud83e\\udd8b',\n 'cactus':'\\ud83c\\udf35',\n 'cake':'\\ud83c\\udf70',\n 'calendar':'\\ud83d\\udcc6',\n 'call_me_hand':'\\ud83e\\udd19',\n 'calling':'\\ud83d\\udcf2',\n 'camel':'\\ud83d\\udc2b',\n 'camera':'\\ud83d\\udcf7',\n 'camera_flash':'\\ud83d\\udcf8',\n 'camping':'\\ud83c\\udfd5',\n 'cancer':'\\u264b\\ufe0f',\n 'candle':'\\ud83d\\udd6f',\n 'candy':'\\ud83c\\udf6c',\n 'canoe':'\\ud83d\\udef6',\n 'capital_abcd':'\\ud83d\\udd20',\n 'capricorn':'\\u2651\\ufe0f',\n 'car':'\\ud83d\\ude97',\n 'card_file_box':'\\ud83d\\uddc3',\n 'card_index':'\\ud83d\\udcc7',\n 'card_index_dividers':'\\ud83d\\uddc2',\n 'carousel_horse':'\\ud83c\\udfa0',\n 'carrot':'\\ud83e\\udd55',\n 'cat':'\\ud83d\\udc31',\n 'cat2':'\\ud83d\\udc08',\n 'cd':'\\ud83d\\udcbf',\n 'chains':'\\u26d3',\n 'champagne':'\\ud83c\\udf7e',\n 'chart':'\\ud83d\\udcb9',\n 'chart_with_downwards_trend':'\\ud83d\\udcc9',\n 'chart_with_upwards_trend':'\\ud83d\\udcc8',\n 'checkered_flag':'\\ud83c\\udfc1',\n 'cheese':'\\ud83e\\uddc0',\n 'cherries':'\\ud83c\\udf52',\n 'cherry_blossom':'\\ud83c\\udf38',\n 'chestnut':'\\ud83c\\udf30',\n 'chicken':'\\ud83d\\udc14',\n 'children_crossing':'\\ud83d\\udeb8',\n 'chipmunk':'\\ud83d\\udc3f',\n 'chocolate_bar':'\\ud83c\\udf6b',\n 'christmas_tree':'\\ud83c\\udf84',\n 'church':'\\u26ea\\ufe0f',\n 'cinema':'\\ud83c\\udfa6',\n 'circus_tent':'\\ud83c\\udfaa',\n 'city_sunrise':'\\ud83c\\udf07',\n 'city_sunset':'\\ud83c\\udf06',\n 'cityscape':'\\ud83c\\udfd9',\n 'cl':'\\ud83c\\udd91',\n 'clamp':'\\ud83d\\udddc',\n 'clap':'\\ud83d\\udc4f',\n 'clapper':'\\ud83c\\udfac',\n 'classical_building':'\\ud83c\\udfdb',\n 'clinking_glasses':'\\ud83e\\udd42',\n 'clipboard':'\\ud83d\\udccb',\n 'clock1':'\\ud83d\\udd50',\n 'clock10':'\\ud83d\\udd59',\n 'clock1030':'\\ud83d\\udd65',\n 'clock11':'\\ud83d\\udd5a',\n 'clock1130':'\\ud83d\\udd66',\n 'clock12':'\\ud83d\\udd5b',\n 'clock1230':'\\ud83d\\udd67',\n 'clock130':'\\ud83d\\udd5c',\n 'clock2':'\\ud83d\\udd51',\n 'clock230':'\\ud83d\\udd5d',\n 'clock3':'\\ud83d\\udd52',\n 'clock330':'\\ud83d\\udd5e',\n 'clock4':'\\ud83d\\udd53',\n 'clock430':'\\ud83d\\udd5f',\n 'clock5':'\\ud83d\\udd54',\n 'clock530':'\\ud83d\\udd60',\n 'clock6':'\\ud83d\\udd55',\n 'clock630':'\\ud83d\\udd61',\n 'clock7':'\\ud83d\\udd56',\n 'clock730':'\\ud83d\\udd62',\n 'clock8':'\\ud83d\\udd57',\n 'clock830':'\\ud83d\\udd63',\n 'clock9':'\\ud83d\\udd58',\n 'clock930':'\\ud83d\\udd64',\n 'closed_book':'\\ud83d\\udcd5',\n 'closed_lock_with_key':'\\ud83d\\udd10',\n 'closed_umbrella':'\\ud83c\\udf02',\n 'cloud':'\\u2601\\ufe0f',\n 'cloud_with_lightning':'\\ud83c\\udf29',\n 'cloud_with_lightning_and_rain':'\\u26c8',\n 'cloud_with_rain':'\\ud83c\\udf27',\n 'cloud_with_snow':'\\ud83c\\udf28',\n 'clown_face':'\\ud83e\\udd21',\n 'clubs':'\\u2663\\ufe0f',\n 'cocktail':'\\ud83c\\udf78',\n 'coffee':'\\u2615\\ufe0f',\n 'coffin':'\\u26b0\\ufe0f',\n 'cold_sweat':'\\ud83d\\ude30',\n 'comet':'\\u2604\\ufe0f',\n 'computer':'\\ud83d\\udcbb',\n 'computer_mouse':'\\ud83d\\uddb1',\n 'confetti_ball':'\\ud83c\\udf8a',\n 'confounded':'\\ud83d\\ude16',\n 'confused':'\\ud83d\\ude15',\n 'congratulations':'\\u3297\\ufe0f',\n 'construction':'\\ud83d\\udea7',\n 'construction_worker_man':'\\ud83d\\udc77',\n 'construction_worker_woman':'\\ud83d\\udc77‍\\u2640\\ufe0f',\n 'control_knobs':'\\ud83c\\udf9b',\n 'convenience_store':'\\ud83c\\udfea',\n 'cookie':'\\ud83c\\udf6a',\n 'cool':'\\ud83c\\udd92',\n 'policeman':'\\ud83d\\udc6e',\n 'copyright':'\\u00a9\\ufe0f',\n 'corn':'\\ud83c\\udf3d',\n 'couch_and_lamp':'\\ud83d\\udecb',\n 'couple':'\\ud83d\\udc6b',\n 'couple_with_heart_woman_man':'\\ud83d\\udc91',\n 'couple_with_heart_man_man':'\\ud83d\\udc68‍\\u2764\\ufe0f‍\\ud83d\\udc68',\n 'couple_with_heart_woman_woman':'\\ud83d\\udc69‍\\u2764\\ufe0f‍\\ud83d\\udc69',\n 'couplekiss_man_man':'\\ud83d\\udc68‍\\u2764\\ufe0f‍\\ud83d\\udc8b‍\\ud83d\\udc68',\n 'couplekiss_man_woman':'\\ud83d\\udc8f',\n 'couplekiss_woman_woman':'\\ud83d\\udc69‍\\u2764\\ufe0f‍\\ud83d\\udc8b‍\\ud83d\\udc69',\n 'cow':'\\ud83d\\udc2e',\n 'cow2':'\\ud83d\\udc04',\n 'cowboy_hat_face':'\\ud83e\\udd20',\n 'crab':'\\ud83e\\udd80',\n 'crayon':'\\ud83d\\udd8d',\n 'credit_card':'\\ud83d\\udcb3',\n 'crescent_moon':'\\ud83c\\udf19',\n 'cricket':'\\ud83c\\udfcf',\n 'crocodile':'\\ud83d\\udc0a',\n 'croissant':'\\ud83e\\udd50',\n 'crossed_fingers':'\\ud83e\\udd1e',\n 'crossed_flags':'\\ud83c\\udf8c',\n 'crossed_swords':'\\u2694\\ufe0f',\n 'crown':'\\ud83d\\udc51',\n 'cry':'\\ud83d\\ude22',\n 'crying_cat_face':'\\ud83d\\ude3f',\n 'crystal_ball':'\\ud83d\\udd2e',\n 'cucumber':'\\ud83e\\udd52',\n 'cupid':'\\ud83d\\udc98',\n 'curly_loop':'\\u27b0',\n 'currency_exchange':'\\ud83d\\udcb1',\n 'curry':'\\ud83c\\udf5b',\n 'custard':'\\ud83c\\udf6e',\n 'customs':'\\ud83d\\udec3',\n 'cyclone':'\\ud83c\\udf00',\n 'dagger':'\\ud83d\\udde1',\n 'dancer':'\\ud83d\\udc83',\n 'dancing_women':'\\ud83d\\udc6f',\n 'dancing_men':'\\ud83d\\udc6f‍\\u2642\\ufe0f',\n 'dango':'\\ud83c\\udf61',\n 'dark_sunglasses':'\\ud83d\\udd76',\n 'dart':'\\ud83c\\udfaf',\n 'dash':'\\ud83d\\udca8',\n 'date':'\\ud83d\\udcc5',\n 'deciduous_tree':'\\ud83c\\udf33',\n 'deer':'\\ud83e\\udd8c',\n 'department_store':'\\ud83c\\udfec',\n 'derelict_house':'\\ud83c\\udfda',\n 'desert':'\\ud83c\\udfdc',\n 'desert_island':'\\ud83c\\udfdd',\n 'desktop_computer':'\\ud83d\\udda5',\n 'male_detective':'\\ud83d\\udd75\\ufe0f',\n 'diamond_shape_with_a_dot_inside':'\\ud83d\\udca0',\n 'diamonds':'\\u2666\\ufe0f',\n 'disappointed':'\\ud83d\\ude1e',\n 'disappointed_relieved':'\\ud83d\\ude25',\n 'dizzy':'\\ud83d\\udcab',\n 'dizzy_face':'\\ud83d\\ude35',\n 'do_not_litter':'\\ud83d\\udeaf',\n 'dog':'\\ud83d\\udc36',\n 'dog2':'\\ud83d\\udc15',\n 'dollar':'\\ud83d\\udcb5',\n 'dolls':'\\ud83c\\udf8e',\n 'dolphin':'\\ud83d\\udc2c',\n 'door':'\\ud83d\\udeaa',\n 'doughnut':'\\ud83c\\udf69',\n 'dove':'\\ud83d\\udd4a',\n 'dragon':'\\ud83d\\udc09',\n 'dragon_face':'\\ud83d\\udc32',\n 'dress':'\\ud83d\\udc57',\n 'dromedary_camel':'\\ud83d\\udc2a',\n 'drooling_face':'\\ud83e\\udd24',\n 'droplet':'\\ud83d\\udca7',\n 'drum':'\\ud83e\\udd41',\n 'duck':'\\ud83e\\udd86',\n 'dvd':'\\ud83d\\udcc0',\n 'e-mail':'\\ud83d\\udce7',\n 'eagle':'\\ud83e\\udd85',\n 'ear':'\\ud83d\\udc42',\n 'ear_of_rice':'\\ud83c\\udf3e',\n 'earth_africa':'\\ud83c\\udf0d',\n 'earth_americas':'\\ud83c\\udf0e',\n 'earth_asia':'\\ud83c\\udf0f',\n 'egg':'\\ud83e\\udd5a',\n 'eggplant':'\\ud83c\\udf46',\n 'eight_pointed_black_star':'\\u2734\\ufe0f',\n 'eight_spoked_asterisk':'\\u2733\\ufe0f',\n 'electric_plug':'\\ud83d\\udd0c',\n 'elephant':'\\ud83d\\udc18',\n 'email':'\\u2709\\ufe0f',\n 'end':'\\ud83d\\udd1a',\n 'envelope_with_arrow':'\\ud83d\\udce9',\n 'euro':'\\ud83d\\udcb6',\n 'european_castle':'\\ud83c\\udff0',\n 'european_post_office':'\\ud83c\\udfe4',\n 'evergreen_tree':'\\ud83c\\udf32',\n 'exclamation':'\\u2757\\ufe0f',\n 'expressionless':'\\ud83d\\ude11',\n 'eye':'\\ud83d\\udc41',\n 'eye_speech_bubble':'\\ud83d\\udc41‍\\ud83d\\udde8',\n 'eyeglasses':'\\ud83d\\udc53',\n 'eyes':'\\ud83d\\udc40',\n 'face_with_head_bandage':'\\ud83e\\udd15',\n 'face_with_thermometer':'\\ud83e\\udd12',\n 'fist_oncoming':'\\ud83d\\udc4a',\n 'factory':'\\ud83c\\udfed',\n 'fallen_leaf':'\\ud83c\\udf42',\n 'family_man_woman_boy':'\\ud83d\\udc6a',\n 'family_man_boy':'\\ud83d\\udc68‍\\ud83d\\udc66',\n 'family_man_boy_boy':'\\ud83d\\udc68‍\\ud83d\\udc66‍\\ud83d\\udc66',\n 'family_man_girl':'\\ud83d\\udc68‍\\ud83d\\udc67',\n 'family_man_girl_boy':'\\ud83d\\udc68‍\\ud83d\\udc67‍\\ud83d\\udc66',\n 'family_man_girl_girl':'\\ud83d\\udc68‍\\ud83d\\udc67‍\\ud83d\\udc67',\n 'family_man_man_boy':'\\ud83d\\udc68‍\\ud83d\\udc68‍\\ud83d\\udc66',\n 'family_man_man_boy_boy':'\\ud83d\\udc68‍\\ud83d\\udc68‍\\ud83d\\udc66‍\\ud83d\\udc66',\n 'family_man_man_girl':'\\ud83d\\udc68‍\\ud83d\\udc68‍\\ud83d\\udc67',\n 'family_man_man_girl_boy':'\\ud83d\\udc68‍\\ud83d\\udc68‍\\ud83d\\udc67‍\\ud83d\\udc66',\n 'family_man_man_girl_girl':'\\ud83d\\udc68‍\\ud83d\\udc68‍\\ud83d\\udc67‍\\ud83d\\udc67',\n 'family_man_woman_boy_boy':'\\ud83d\\udc68‍\\ud83d\\udc69‍\\ud83d\\udc66‍\\ud83d\\udc66',\n 'family_man_woman_girl':'\\ud83d\\udc68‍\\ud83d\\udc69‍\\ud83d\\udc67',\n 'family_man_woman_girl_boy':'\\ud83d\\udc68‍\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc66',\n 'family_man_woman_girl_girl':'\\ud83d\\udc68‍\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc67',\n 'family_woman_boy':'\\ud83d\\udc69‍\\ud83d\\udc66',\n 'family_woman_boy_boy':'\\ud83d\\udc69‍\\ud83d\\udc66‍\\ud83d\\udc66',\n 'family_woman_girl':'\\ud83d\\udc69‍\\ud83d\\udc67',\n 'family_woman_girl_boy':'\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc66',\n 'family_woman_girl_girl':'\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc67',\n 'family_woman_woman_boy':'\\ud83d\\udc69‍\\ud83d\\udc69‍\\ud83d\\udc66',\n 'family_woman_woman_boy_boy':'\\ud83d\\udc69‍\\ud83d\\udc69‍\\ud83d\\udc66‍\\ud83d\\udc66',\n 'family_woman_woman_girl':'\\ud83d\\udc69‍\\ud83d\\udc69‍\\ud83d\\udc67',\n 'family_woman_woman_girl_boy':'\\ud83d\\udc69‍\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc66',\n 'family_woman_woman_girl_girl':'\\ud83d\\udc69‍\\ud83d\\udc69‍\\ud83d\\udc67‍\\ud83d\\udc67',\n 'fast_forward':'\\u23e9',\n 'fax':'\\ud83d\\udce0',\n 'fearful':'\\ud83d\\ude28',\n 'feet':'\\ud83d\\udc3e',\n 'female_detective':'\\ud83d\\udd75\\ufe0f‍\\u2640\\ufe0f',\n 'ferris_wheel':'\\ud83c\\udfa1',\n 'ferry':'\\u26f4',\n 'field_hockey':'\\ud83c\\udfd1',\n 'file_cabinet':'\\ud83d\\uddc4',\n 'file_folder':'\\ud83d\\udcc1',\n 'film_projector':'\\ud83d\\udcfd',\n 'film_strip':'\\ud83c\\udf9e',\n 'fire':'\\ud83d\\udd25',\n 'fire_engine':'\\ud83d\\ude92',\n 'fireworks':'\\ud83c\\udf86',\n 'first_quarter_moon':'\\ud83c\\udf13',\n 'first_quarter_moon_with_face':'\\ud83c\\udf1b',\n 'fish':'\\ud83d\\udc1f',\n 'fish_cake':'\\ud83c\\udf65',\n 'fishing_pole_and_fish':'\\ud83c\\udfa3',\n 'fist_raised':'\\u270a',\n 'fist_left':'\\ud83e\\udd1b',\n 'fist_right':'\\ud83e\\udd1c',\n 'flags':'\\ud83c\\udf8f',\n 'flashlight':'\\ud83d\\udd26',\n 'fleur_de_lis':'\\u269c\\ufe0f',\n 'flight_arrival':'\\ud83d\\udeec',\n 'flight_departure':'\\ud83d\\udeeb',\n 'floppy_disk':'\\ud83d\\udcbe',\n 'flower_playing_cards':'\\ud83c\\udfb4',\n 'flushed':'\\ud83d\\ude33',\n 'fog':'\\ud83c\\udf2b',\n 'foggy':'\\ud83c\\udf01',\n 'football':'\\ud83c\\udfc8',\n 'footprints':'\\ud83d\\udc63',\n 'fork_and_knife':'\\ud83c\\udf74',\n 'fountain':'\\u26f2\\ufe0f',\n 'fountain_pen':'\\ud83d\\udd8b',\n 'four_leaf_clover':'\\ud83c\\udf40',\n 'fox_face':'\\ud83e\\udd8a',\n 'framed_picture':'\\ud83d\\uddbc',\n 'free':'\\ud83c\\udd93',\n 'fried_egg':'\\ud83c\\udf73',\n 'fried_shrimp':'\\ud83c\\udf64',\n 'fries':'\\ud83c\\udf5f',\n 'frog':'\\ud83d\\udc38',\n 'frowning':'\\ud83d\\ude26',\n 'frowning_face':'\\u2639\\ufe0f',\n 'frowning_man':'\\ud83d\\ude4d‍\\u2642\\ufe0f',\n 'frowning_woman':'\\ud83d\\ude4d',\n 'middle_finger':'\\ud83d\\udd95',\n 'fuelpump':'\\u26fd\\ufe0f',\n 'full_moon':'\\ud83c\\udf15',\n 'full_moon_with_face':'\\ud83c\\udf1d',\n 'funeral_urn':'\\u26b1\\ufe0f',\n 'game_die':'\\ud83c\\udfb2',\n 'gear':'\\u2699\\ufe0f',\n 'gem':'\\ud83d\\udc8e',\n 'gemini':'\\u264a\\ufe0f',\n 'ghost':'\\ud83d\\udc7b',\n 'gift':'\\ud83c\\udf81',\n 'gift_heart':'\\ud83d\\udc9d',\n 'girl':'\\ud83d\\udc67',\n 'globe_with_meridians':'\\ud83c\\udf10',\n 'goal_net':'\\ud83e\\udd45',\n 'goat':'\\ud83d\\udc10',\n 'golf':'\\u26f3\\ufe0f',\n 'golfing_man':'\\ud83c\\udfcc\\ufe0f',\n 'golfing_woman':'\\ud83c\\udfcc\\ufe0f‍\\u2640\\ufe0f',\n 'gorilla':'\\ud83e\\udd8d',\n 'grapes':'\\ud83c\\udf47',\n 'green_apple':'\\ud83c\\udf4f',\n 'green_book':'\\ud83d\\udcd7',\n 'green_heart':'\\ud83d\\udc9a',\n 'green_salad':'\\ud83e\\udd57',\n 'grey_exclamation':'\\u2755',\n 'grey_question':'\\u2754',\n 'grimacing':'\\ud83d\\ude2c',\n 'grin':'\\ud83d\\ude01',\n 'grinning':'\\ud83d\\ude00',\n 'guardsman':'\\ud83d\\udc82',\n 'guardswoman':'\\ud83d\\udc82‍\\u2640\\ufe0f',\n 'guitar':'\\ud83c\\udfb8',\n 'gun':'\\ud83d\\udd2b',\n 'haircut_woman':'\\ud83d\\udc87',\n 'haircut_man':'\\ud83d\\udc87‍\\u2642\\ufe0f',\n 'hamburger':'\\ud83c\\udf54',\n 'hammer':'\\ud83d\\udd28',\n 'hammer_and_pick':'\\u2692',\n 'hammer_and_wrench':'\\ud83d\\udee0',\n 'hamster':'\\ud83d\\udc39',\n 'hand':'\\u270b',\n 'handbag':'\\ud83d\\udc5c',\n 'handshake':'\\ud83e\\udd1d',\n 'hankey':'\\ud83d\\udca9',\n 'hatched_chick':'\\ud83d\\udc25',\n 'hatching_chick':'\\ud83d\\udc23',\n 'headphones':'\\ud83c\\udfa7',\n 'hear_no_evil':'\\ud83d\\ude49',\n 'heart':'\\u2764\\ufe0f',\n 'heart_decoration':'\\ud83d\\udc9f',\n 'heart_eyes':'\\ud83d\\ude0d',\n 'heart_eyes_cat':'\\ud83d\\ude3b',\n 'heartbeat':'\\ud83d\\udc93',\n 'heartpulse':'\\ud83d\\udc97',\n 'hearts':'\\u2665\\ufe0f',\n 'heavy_check_mark':'\\u2714\\ufe0f',\n 'heavy_division_sign':'\\u2797',\n 'heavy_dollar_sign':'\\ud83d\\udcb2',\n 'heavy_heart_exclamation':'\\u2763\\ufe0f',\n 'heavy_minus_sign':'\\u2796',\n 'heavy_multiplication_x':'\\u2716\\ufe0f',\n 'heavy_plus_sign':'\\u2795',\n 'helicopter':'\\ud83d\\ude81',\n 'herb':'\\ud83c\\udf3f',\n 'hibiscus':'\\ud83c\\udf3a',\n 'high_brightness':'\\ud83d\\udd06',\n 'high_heel':'\\ud83d\\udc60',\n 'hocho':'\\ud83d\\udd2a',\n 'hole':'\\ud83d\\udd73',\n 'honey_pot':'\\ud83c\\udf6f',\n 'horse':'\\ud83d\\udc34',\n 'horse_racing':'\\ud83c\\udfc7',\n 'hospital':'\\ud83c\\udfe5',\n 'hot_pepper':'\\ud83c\\udf36',\n 'hotdog':'\\ud83c\\udf2d',\n 'hotel':'\\ud83c\\udfe8',\n 'hotsprings':'\\u2668\\ufe0f',\n 'hourglass':'\\u231b\\ufe0f',\n 'hourglass_flowing_sand':'\\u23f3',\n 'house':'\\ud83c\\udfe0',\n 'house_with_garden':'\\ud83c\\udfe1',\n 'houses':'\\ud83c\\udfd8',\n 'hugs':'\\ud83e\\udd17',\n 'hushed':'\\ud83d\\ude2f',\n 'ice_cream':'\\ud83c\\udf68',\n 'ice_hockey':'\\ud83c\\udfd2',\n 'ice_skate':'\\u26f8',\n 'icecream':'\\ud83c\\udf66',\n 'id':'\\ud83c\\udd94',\n 'ideograph_advantage':'\\ud83c\\ude50',\n 'imp':'\\ud83d\\udc7f',\n 'inbox_tray':'\\ud83d\\udce5',\n 'incoming_envelope':'\\ud83d\\udce8',\n 'tipping_hand_woman':'\\ud83d\\udc81',\n 'information_source':'\\u2139\\ufe0f',\n 'innocent':'\\ud83d\\ude07',\n 'interrobang':'\\u2049\\ufe0f',\n 'iphone':'\\ud83d\\udcf1',\n 'izakaya_lantern':'\\ud83c\\udfee',\n 'jack_o_lantern':'\\ud83c\\udf83',\n 'japan':'\\ud83d\\uddfe',\n 'japanese_castle':'\\ud83c\\udfef',\n 'japanese_goblin':'\\ud83d\\udc7a',\n 'japanese_ogre':'\\ud83d\\udc79',\n 'jeans':'\\ud83d\\udc56',\n 'joy':'\\ud83d\\ude02',\n 'joy_cat':'\\ud83d\\ude39',\n 'joystick':'\\ud83d\\udd79',\n 'kaaba':'\\ud83d\\udd4b',\n 'key':'\\ud83d\\udd11',\n 'keyboard':'\\u2328\\ufe0f',\n 'keycap_ten':'\\ud83d\\udd1f',\n 'kick_scooter':'\\ud83d\\udef4',\n 'kimono':'\\ud83d\\udc58',\n 'kiss':'\\ud83d\\udc8b',\n 'kissing':'\\ud83d\\ude17',\n 'kissing_cat':'\\ud83d\\ude3d',\n 'kissing_closed_eyes':'\\ud83d\\ude1a',\n 'kissing_heart':'\\ud83d\\ude18',\n 'kissing_smiling_eyes':'\\ud83d\\ude19',\n 'kiwi_fruit':'\\ud83e\\udd5d',\n 'koala':'\\ud83d\\udc28',\n 'koko':'\\ud83c\\ude01',\n 'label':'\\ud83c\\udff7',\n 'large_blue_circle':'\\ud83d\\udd35',\n 'large_blue_diamond':'\\ud83d\\udd37',\n 'large_orange_diamond':'\\ud83d\\udd36',\n 'last_quarter_moon':'\\ud83c\\udf17',\n 'last_quarter_moon_with_face':'\\ud83c\\udf1c',\n 'latin_cross':'\\u271d\\ufe0f',\n 'laughing':'\\ud83d\\ude06',\n 'leaves':'\\ud83c\\udf43',\n 'ledger':'\\ud83d\\udcd2',\n 'left_luggage':'\\ud83d\\udec5',\n 'left_right_arrow':'\\u2194\\ufe0f',\n 'leftwards_arrow_with_hook':'\\u21a9\\ufe0f',\n 'lemon':'\\ud83c\\udf4b',\n 'leo':'\\u264c\\ufe0f',\n 'leopard':'\\ud83d\\udc06',\n 'level_slider':'\\ud83c\\udf9a',\n 'libra':'\\u264e\\ufe0f',\n 'light_rail':'\\ud83d\\ude88',\n 'link':'\\ud83d\\udd17',\n 'lion':'\\ud83e\\udd81',\n 'lips':'\\ud83d\\udc44',\n 'lipstick':'\\ud83d\\udc84',\n 'lizard':'\\ud83e\\udd8e',\n 'lock':'\\ud83d\\udd12',\n 'lock_with_ink_pen':'\\ud83d\\udd0f',\n 'lollipop':'\\ud83c\\udf6d',\n 'loop':'\\u27bf',\n 'loud_sound':'\\ud83d\\udd0a',\n 'loudspeaker':'\\ud83d\\udce2',\n 'love_hotel':'\\ud83c\\udfe9',\n 'love_letter':'\\ud83d\\udc8c',\n 'low_brightness':'\\ud83d\\udd05',\n 'lying_face':'\\ud83e\\udd25',\n 'm':'\\u24c2\\ufe0f',\n 'mag':'\\ud83d\\udd0d',\n 'mag_right':'\\ud83d\\udd0e',\n 'mahjong':'\\ud83c\\udc04\\ufe0f',\n 'mailbox':'\\ud83d\\udceb',\n 'mailbox_closed':'\\ud83d\\udcea',\n 'mailbox_with_mail':'\\ud83d\\udcec',\n 'mailbox_with_no_mail':'\\ud83d\\udced',\n 'man':'\\ud83d\\udc68',\n 'man_artist':'\\ud83d\\udc68‍\\ud83c\\udfa8',\n 'man_astronaut':'\\ud83d\\udc68‍\\ud83d\\ude80',\n 'man_cartwheeling':'\\ud83e\\udd38‍\\u2642\\ufe0f',\n 'man_cook':'\\ud83d\\udc68‍\\ud83c\\udf73',\n 'man_dancing':'\\ud83d\\udd7a',\n 'man_facepalming':'\\ud83e\\udd26‍\\u2642\\ufe0f',\n 'man_factory_worker':'\\ud83d\\udc68‍\\ud83c\\udfed',\n 'man_farmer':'\\ud83d\\udc68‍\\ud83c\\udf3e',\n 'man_firefighter':'\\ud83d\\udc68‍\\ud83d\\ude92',\n 'man_health_worker':'\\ud83d\\udc68‍\\u2695\\ufe0f',\n 'man_in_tuxedo':'\\ud83e\\udd35',\n 'man_judge':'\\ud83d\\udc68‍\\u2696\\ufe0f',\n 'man_juggling':'\\ud83e\\udd39‍\\u2642\\ufe0f',\n 'man_mechanic':'\\ud83d\\udc68‍\\ud83d\\udd27',\n 'man_office_worker':'\\ud83d\\udc68‍\\ud83d\\udcbc',\n 'man_pilot':'\\ud83d\\udc68‍\\u2708\\ufe0f',\n 'man_playing_handball':'\\ud83e\\udd3e‍\\u2642\\ufe0f',\n 'man_playing_water_polo':'\\ud83e\\udd3d‍\\u2642\\ufe0f',\n 'man_scientist':'\\ud83d\\udc68‍\\ud83d\\udd2c',\n 'man_shrugging':'\\ud83e\\udd37‍\\u2642\\ufe0f',\n 'man_singer':'\\ud83d\\udc68‍\\ud83c\\udfa4',\n 'man_student':'\\ud83d\\udc68‍\\ud83c\\udf93',\n 'man_teacher':'\\ud83d\\udc68‍\\ud83c\\udfeb',\n 'man_technologist':'\\ud83d\\udc68‍\\ud83d\\udcbb',\n 'man_with_gua_pi_mao':'\\ud83d\\udc72',\n 'man_with_turban':'\\ud83d\\udc73',\n 'tangerine':'\\ud83c\\udf4a',\n 'mans_shoe':'\\ud83d\\udc5e',\n 'mantelpiece_clock':'\\ud83d\\udd70',\n 'maple_leaf':'\\ud83c\\udf41',\n 'martial_arts_uniform':'\\ud83e\\udd4b',\n 'mask':'\\ud83d\\ude37',\n 'massage_woman':'\\ud83d\\udc86',\n 'massage_man':'\\ud83d\\udc86‍\\u2642\\ufe0f',\n 'meat_on_bone':'\\ud83c\\udf56',\n 'medal_military':'\\ud83c\\udf96',\n 'medal_sports':'\\ud83c\\udfc5',\n 'mega':'\\ud83d\\udce3',\n 'melon':'\\ud83c\\udf48',\n 'memo':'\\ud83d\\udcdd',\n 'men_wrestling':'\\ud83e\\udd3c‍\\u2642\\ufe0f',\n 'menorah':'\\ud83d\\udd4e',\n 'mens':'\\ud83d\\udeb9',\n 'metal':'\\ud83e\\udd18',\n 'metro':'\\ud83d\\ude87',\n 'microphone':'\\ud83c\\udfa4',\n 'microscope':'\\ud83d\\udd2c',\n 'milk_glass':'\\ud83e\\udd5b',\n 'milky_way':'\\ud83c\\udf0c',\n 'minibus':'\\ud83d\\ude90',\n 'minidisc':'\\ud83d\\udcbd',\n 'mobile_phone_off':'\\ud83d\\udcf4',\n 'money_mouth_face':'\\ud83e\\udd11',\n 'money_with_wings':'\\ud83d\\udcb8',\n 'moneybag':'\\ud83d\\udcb0',\n 'monkey':'\\ud83d\\udc12',\n 'monkey_face':'\\ud83d\\udc35',\n 'monorail':'\\ud83d\\ude9d',\n 'moon':'\\ud83c\\udf14',\n 'mortar_board':'\\ud83c\\udf93',\n 'mosque':'\\ud83d\\udd4c',\n 'motor_boat':'\\ud83d\\udee5',\n 'motor_scooter':'\\ud83d\\udef5',\n 'motorcycle':'\\ud83c\\udfcd',\n 'motorway':'\\ud83d\\udee3',\n 'mount_fuji':'\\ud83d\\uddfb',\n 'mountain':'\\u26f0',\n 'mountain_biking_man':'\\ud83d\\udeb5',\n 'mountain_biking_woman':'\\ud83d\\udeb5‍\\u2640\\ufe0f',\n 'mountain_cableway':'\\ud83d\\udea0',\n 'mountain_railway':'\\ud83d\\ude9e',\n 'mountain_snow':'\\ud83c\\udfd4',\n 'mouse':'\\ud83d\\udc2d',\n 'mouse2':'\\ud83d\\udc01',\n 'movie_camera':'\\ud83c\\udfa5',\n 'moyai':'\\ud83d\\uddff',\n 'mrs_claus':'\\ud83e\\udd36',\n 'muscle':'\\ud83d\\udcaa',\n 'mushroom':'\\ud83c\\udf44',\n 'musical_keyboard':'\\ud83c\\udfb9',\n 'musical_note':'\\ud83c\\udfb5',\n 'musical_score':'\\ud83c\\udfbc',\n 'mute':'\\ud83d\\udd07',\n 'nail_care':'\\ud83d\\udc85',\n 'name_badge':'\\ud83d\\udcdb',\n 'national_park':'\\ud83c\\udfde',\n 'nauseated_face':'\\ud83e\\udd22',\n 'necktie':'\\ud83d\\udc54',\n 'negative_squared_cross_mark':'\\u274e',\n 'nerd_face':'\\ud83e\\udd13',\n 'neutral_face':'\\ud83d\\ude10',\n 'new':'\\ud83c\\udd95',\n 'new_moon':'\\ud83c\\udf11',\n 'new_moon_with_face':'\\ud83c\\udf1a',\n 'newspaper':'\\ud83d\\udcf0',\n 'newspaper_roll':'\\ud83d\\uddde',\n 'next_track_button':'\\u23ed',\n 'ng':'\\ud83c\\udd96',\n 'no_good_man':'\\ud83d\\ude45‍\\u2642\\ufe0f',\n 'no_good_woman':'\\ud83d\\ude45',\n 'night_with_stars':'\\ud83c\\udf03',\n 'no_bell':'\\ud83d\\udd15',\n 'no_bicycles':'\\ud83d\\udeb3',\n 'no_entry':'\\u26d4\\ufe0f',\n 'no_entry_sign':'\\ud83d\\udeab',\n 'no_mobile_phones':'\\ud83d\\udcf5',\n 'no_mouth':'\\ud83d\\ude36',\n 'no_pedestrians':'\\ud83d\\udeb7',\n 'no_smoking':'\\ud83d\\udead',\n 'non-potable_water':'\\ud83d\\udeb1',\n 'nose':'\\ud83d\\udc43',\n 'notebook':'\\ud83d\\udcd3',\n 'notebook_with_decorative_cover':'\\ud83d\\udcd4',\n 'notes':'\\ud83c\\udfb6',\n 'nut_and_bolt':'\\ud83d\\udd29',\n 'o':'\\u2b55\\ufe0f',\n 'o2':'\\ud83c\\udd7e\\ufe0f',\n 'ocean':'\\ud83c\\udf0a',\n 'octopus':'\\ud83d\\udc19',\n 'oden':'\\ud83c\\udf62',\n 'office':'\\ud83c\\udfe2',\n 'oil_drum':'\\ud83d\\udee2',\n 'ok':'\\ud83c\\udd97',\n 'ok_hand':'\\ud83d\\udc4c',\n 'ok_man':'\\ud83d\\ude46‍\\u2642\\ufe0f',\n 'ok_woman':'\\ud83d\\ude46',\n 'old_key':'\\ud83d\\udddd',\n 'older_man':'\\ud83d\\udc74',\n 'older_woman':'\\ud83d\\udc75',\n 'om':'\\ud83d\\udd49',\n 'on':'\\ud83d\\udd1b',\n 'oncoming_automobile':'\\ud83d\\ude98',\n 'oncoming_bus':'\\ud83d\\ude8d',\n 'oncoming_police_car':'\\ud83d\\ude94',\n 'oncoming_taxi':'\\ud83d\\ude96',\n 'open_file_folder':'\\ud83d\\udcc2',\n 'open_hands':'\\ud83d\\udc50',\n 'open_mouth':'\\ud83d\\ude2e',\n 'open_umbrella':'\\u2602\\ufe0f',\n 'ophiuchus':'\\u26ce',\n 'orange_book':'\\ud83d\\udcd9',\n 'orthodox_cross':'\\u2626\\ufe0f',\n 'outbox_tray':'\\ud83d\\udce4',\n 'owl':'\\ud83e\\udd89',\n 'ox':'\\ud83d\\udc02',\n 'package':'\\ud83d\\udce6',\n 'page_facing_up':'\\ud83d\\udcc4',\n 'page_with_curl':'\\ud83d\\udcc3',\n 'pager':'\\ud83d\\udcdf',\n 'paintbrush':'\\ud83d\\udd8c',\n 'palm_tree':'\\ud83c\\udf34',\n 'pancakes':'\\ud83e\\udd5e',\n 'panda_face':'\\ud83d\\udc3c',\n 'paperclip':'\\ud83d\\udcce',\n 'paperclips':'\\ud83d\\udd87',\n 'parasol_on_ground':'\\u26f1',\n 'parking':'\\ud83c\\udd7f\\ufe0f',\n 'part_alternation_mark':'\\u303d\\ufe0f',\n 'partly_sunny':'\\u26c5\\ufe0f',\n 'passenger_ship':'\\ud83d\\udef3',\n 'passport_control':'\\ud83d\\udec2',\n 'pause_button':'\\u23f8',\n 'peace_symbol':'\\u262e\\ufe0f',\n 'peach':'\\ud83c\\udf51',\n 'peanuts':'\\ud83e\\udd5c',\n 'pear':'\\ud83c\\udf50',\n 'pen':'\\ud83d\\udd8a',\n 'pencil2':'\\u270f\\ufe0f',\n 'penguin':'\\ud83d\\udc27',\n 'pensive':'\\ud83d\\ude14',\n 'performing_arts':'\\ud83c\\udfad',\n 'persevere':'\\ud83d\\ude23',\n 'person_fencing':'\\ud83e\\udd3a',\n 'pouting_woman':'\\ud83d\\ude4e',\n 'phone':'\\u260e\\ufe0f',\n 'pick':'\\u26cf',\n 'pig':'\\ud83d\\udc37',\n 'pig2':'\\ud83d\\udc16',\n 'pig_nose':'\\ud83d\\udc3d',\n 'pill':'\\ud83d\\udc8a',\n 'pineapple':'\\ud83c\\udf4d',\n 'ping_pong':'\\ud83c\\udfd3',\n 'pisces':'\\u2653\\ufe0f',\n 'pizza':'\\ud83c\\udf55',\n 'place_of_worship':'\\ud83d\\uded0',\n 'plate_with_cutlery':'\\ud83c\\udf7d',\n 'play_or_pause_button':'\\u23ef',\n 'point_down':'\\ud83d\\udc47',\n 'point_left':'\\ud83d\\udc48',\n 'point_right':'\\ud83d\\udc49',\n 'point_up':'\\u261d\\ufe0f',\n 'point_up_2':'\\ud83d\\udc46',\n 'police_car':'\\ud83d\\ude93',\n 'policewoman':'\\ud83d\\udc6e‍\\u2640\\ufe0f',\n 'poodle':'\\ud83d\\udc29',\n 'popcorn':'\\ud83c\\udf7f',\n 'post_office':'\\ud83c\\udfe3',\n 'postal_horn':'\\ud83d\\udcef',\n 'postbox':'\\ud83d\\udcee',\n 'potable_water':'\\ud83d\\udeb0',\n 'potato':'\\ud83e\\udd54',\n 'pouch':'\\ud83d\\udc5d',\n 'poultry_leg':'\\ud83c\\udf57',\n 'pound':'\\ud83d\\udcb7',\n 'rage':'\\ud83d\\ude21',\n 'pouting_cat':'\\ud83d\\ude3e',\n 'pouting_man':'\\ud83d\\ude4e‍\\u2642\\ufe0f',\n 'pray':'\\ud83d\\ude4f',\n 'prayer_beads':'\\ud83d\\udcff',\n 'pregnant_woman':'\\ud83e\\udd30',\n 'previous_track_button':'\\u23ee',\n 'prince':'\\ud83e\\udd34',\n 'princess':'\\ud83d\\udc78',\n 'printer':'\\ud83d\\udda8',\n 'purple_heart':'\\ud83d\\udc9c',\n 'purse':'\\ud83d\\udc5b',\n 'pushpin':'\\ud83d\\udccc',\n 'put_litter_in_its_place':'\\ud83d\\udeae',\n 'question':'\\u2753',\n 'rabbit':'\\ud83d\\udc30',\n 'rabbit2':'\\ud83d\\udc07',\n 'racehorse':'\\ud83d\\udc0e',\n 'racing_car':'\\ud83c\\udfce',\n 'radio':'\\ud83d\\udcfb',\n 'radio_button':'\\ud83d\\udd18',\n 'radioactive':'\\u2622\\ufe0f',\n 'railway_car':'\\ud83d\\ude83',\n 'railway_track':'\\ud83d\\udee4',\n 'rainbow':'\\ud83c\\udf08',\n 'rainbow_flag':'\\ud83c\\udff3\\ufe0f‍\\ud83c\\udf08',\n 'raised_back_of_hand':'\\ud83e\\udd1a',\n 'raised_hand_with_fingers_splayed':'\\ud83d\\udd90',\n 'raised_hands':'\\ud83d\\ude4c',\n 'raising_hand_woman':'\\ud83d\\ude4b',\n 'raising_hand_man':'\\ud83d\\ude4b‍\\u2642\\ufe0f',\n 'ram':'\\ud83d\\udc0f',\n 'ramen':'\\ud83c\\udf5c',\n 'rat':'\\ud83d\\udc00',\n 'record_button':'\\u23fa',\n 'recycle':'\\u267b\\ufe0f',\n 'red_circle':'\\ud83d\\udd34',\n 'registered':'\\u00ae\\ufe0f',\n 'relaxed':'\\u263a\\ufe0f',\n 'relieved':'\\ud83d\\ude0c',\n 'reminder_ribbon':'\\ud83c\\udf97',\n 'repeat':'\\ud83d\\udd01',\n 'repeat_one':'\\ud83d\\udd02',\n 'rescue_worker_helmet':'\\u26d1',\n 'restroom':'\\ud83d\\udebb',\n 'revolving_hearts':'\\ud83d\\udc9e',\n 'rewind':'\\u23ea',\n 'rhinoceros':'\\ud83e\\udd8f',\n 'ribbon':'\\ud83c\\udf80',\n 'rice':'\\ud83c\\udf5a',\n 'rice_ball':'\\ud83c\\udf59',\n 'rice_cracker':'\\ud83c\\udf58',\n 'rice_scene':'\\ud83c\\udf91',\n 'right_anger_bubble':'\\ud83d\\uddef',\n 'ring':'\\ud83d\\udc8d',\n 'robot':'\\ud83e\\udd16',\n 'rocket':'\\ud83d\\ude80',\n 'rofl':'\\ud83e\\udd23',\n 'roll_eyes':'\\ud83d\\ude44',\n 'roller_coaster':'\\ud83c\\udfa2',\n 'rooster':'\\ud83d\\udc13',\n 'rose':'\\ud83c\\udf39',\n 'rosette':'\\ud83c\\udff5',\n 'rotating_light':'\\ud83d\\udea8',\n 'round_pushpin':'\\ud83d\\udccd',\n 'rowing_man':'\\ud83d\\udea3',\n 'rowing_woman':'\\ud83d\\udea3‍\\u2640\\ufe0f',\n 'rugby_football':'\\ud83c\\udfc9',\n 'running_man':'\\ud83c\\udfc3',\n 'running_shirt_with_sash':'\\ud83c\\udfbd',\n 'running_woman':'\\ud83c\\udfc3‍\\u2640\\ufe0f',\n 'sa':'\\ud83c\\ude02\\ufe0f',\n 'sagittarius':'\\u2650\\ufe0f',\n 'sake':'\\ud83c\\udf76',\n 'sandal':'\\ud83d\\udc61',\n 'santa':'\\ud83c\\udf85',\n 'satellite':'\\ud83d\\udce1',\n 'saxophone':'\\ud83c\\udfb7',\n 'school':'\\ud83c\\udfeb',\n 'school_satchel':'\\ud83c\\udf92',\n 'scissors':'\\u2702\\ufe0f',\n 'scorpion':'\\ud83e\\udd82',\n 'scorpius':'\\u264f\\ufe0f',\n 'scream':'\\ud83d\\ude31',\n 'scream_cat':'\\ud83d\\ude40',\n 'scroll':'\\ud83d\\udcdc',\n 'seat':'\\ud83d\\udcba',\n 'secret':'\\u3299\\ufe0f',\n 'see_no_evil':'\\ud83d\\ude48',\n 'seedling':'\\ud83c\\udf31',\n 'selfie':'\\ud83e\\udd33',\n 'shallow_pan_of_food':'\\ud83e\\udd58',\n 'shamrock':'\\u2618\\ufe0f',\n 'shark':'\\ud83e\\udd88',\n 'shaved_ice':'\\ud83c\\udf67',\n 'sheep':'\\ud83d\\udc11',\n 'shell':'\\ud83d\\udc1a',\n 'shield':'\\ud83d\\udee1',\n 'shinto_shrine':'\\u26e9',\n 'ship':'\\ud83d\\udea2',\n 'shirt':'\\ud83d\\udc55',\n 'shopping':'\\ud83d\\udecd',\n 'shopping_cart':'\\ud83d\\uded2',\n 'shower':'\\ud83d\\udebf',\n 'shrimp':'\\ud83e\\udd90',\n 'signal_strength':'\\ud83d\\udcf6',\n 'six_pointed_star':'\\ud83d\\udd2f',\n 'ski':'\\ud83c\\udfbf',\n 'skier':'\\u26f7',\n 'skull':'\\ud83d\\udc80',\n 'skull_and_crossbones':'\\u2620\\ufe0f',\n 'sleeping':'\\ud83d\\ude34',\n 'sleeping_bed':'\\ud83d\\udecc',\n 'sleepy':'\\ud83d\\ude2a',\n 'slightly_frowning_face':'\\ud83d\\ude41',\n 'slightly_smiling_face':'\\ud83d\\ude42',\n 'slot_machine':'\\ud83c\\udfb0',\n 'small_airplane':'\\ud83d\\udee9',\n 'small_blue_diamond':'\\ud83d\\udd39',\n 'small_orange_diamond':'\\ud83d\\udd38',\n 'small_red_triangle':'\\ud83d\\udd3a',\n 'small_red_triangle_down':'\\ud83d\\udd3b',\n 'smile':'\\ud83d\\ude04',\n 'smile_cat':'\\ud83d\\ude38',\n 'smiley':'\\ud83d\\ude03',\n 'smiley_cat':'\\ud83d\\ude3a',\n 'smiling_imp':'\\ud83d\\ude08',\n 'smirk':'\\ud83d\\ude0f',\n 'smirk_cat':'\\ud83d\\ude3c',\n 'smoking':'\\ud83d\\udeac',\n 'snail':'\\ud83d\\udc0c',\n 'snake':'\\ud83d\\udc0d',\n 'sneezing_face':'\\ud83e\\udd27',\n 'snowboarder':'\\ud83c\\udfc2',\n 'snowflake':'\\u2744\\ufe0f',\n 'snowman':'\\u26c4\\ufe0f',\n 'snowman_with_snow':'\\u2603\\ufe0f',\n 'sob':'\\ud83d\\ude2d',\n 'soccer':'\\u26bd\\ufe0f',\n 'soon':'\\ud83d\\udd1c',\n 'sos':'\\ud83c\\udd98',\n 'sound':'\\ud83d\\udd09',\n 'space_invader':'\\ud83d\\udc7e',\n 'spades':'\\u2660\\ufe0f',\n 'spaghetti':'\\ud83c\\udf5d',\n 'sparkle':'\\u2747\\ufe0f',\n 'sparkler':'\\ud83c\\udf87',\n 'sparkles':'\\u2728',\n 'sparkling_heart':'\\ud83d\\udc96',\n 'speak_no_evil':'\\ud83d\\ude4a',\n 'speaker':'\\ud83d\\udd08',\n 'speaking_head':'\\ud83d\\udde3',\n 'speech_balloon':'\\ud83d\\udcac',\n 'speedboat':'\\ud83d\\udea4',\n 'spider':'\\ud83d\\udd77',\n 'spider_web':'\\ud83d\\udd78',\n 'spiral_calendar':'\\ud83d\\uddd3',\n 'spiral_notepad':'\\ud83d\\uddd2',\n 'spoon':'\\ud83e\\udd44',\n 'squid':'\\ud83e\\udd91',\n 'stadium':'\\ud83c\\udfdf',\n 'star':'\\u2b50\\ufe0f',\n 'star2':'\\ud83c\\udf1f',\n 'star_and_crescent':'\\u262a\\ufe0f',\n 'star_of_david':'\\u2721\\ufe0f',\n 'stars':'\\ud83c\\udf20',\n 'station':'\\ud83d\\ude89',\n 'statue_of_liberty':'\\ud83d\\uddfd',\n 'steam_locomotive':'\\ud83d\\ude82',\n 'stew':'\\ud83c\\udf72',\n 'stop_button':'\\u23f9',\n 'stop_sign':'\\ud83d\\uded1',\n 'stopwatch':'\\u23f1',\n 'straight_ruler':'\\ud83d\\udccf',\n 'strawberry':'\\ud83c\\udf53',\n 'stuck_out_tongue':'\\ud83d\\ude1b',\n 'stuck_out_tongue_closed_eyes':'\\ud83d\\ude1d',\n 'stuck_out_tongue_winking_eye':'\\ud83d\\ude1c',\n 'studio_microphone':'\\ud83c\\udf99',\n 'stuffed_flatbread':'\\ud83e\\udd59',\n 'sun_behind_large_cloud':'\\ud83c\\udf25',\n 'sun_behind_rain_cloud':'\\ud83c\\udf26',\n 'sun_behind_small_cloud':'\\ud83c\\udf24',\n 'sun_with_face':'\\ud83c\\udf1e',\n 'sunflower':'\\ud83c\\udf3b',\n 'sunglasses':'\\ud83d\\ude0e',\n 'sunny':'\\u2600\\ufe0f',\n 'sunrise':'\\ud83c\\udf05',\n 'sunrise_over_mountains':'\\ud83c\\udf04',\n 'surfing_man':'\\ud83c\\udfc4',\n 'surfing_woman':'\\ud83c\\udfc4‍\\u2640\\ufe0f',\n 'sushi':'\\ud83c\\udf63',\n 'suspension_railway':'\\ud83d\\ude9f',\n 'sweat':'\\ud83d\\ude13',\n 'sweat_drops':'\\ud83d\\udca6',\n 'sweat_smile':'\\ud83d\\ude05',\n 'sweet_potato':'\\ud83c\\udf60',\n 'swimming_man':'\\ud83c\\udfca',\n 'swimming_woman':'\\ud83c\\udfca‍\\u2640\\ufe0f',\n 'symbols':'\\ud83d\\udd23',\n 'synagogue':'\\ud83d\\udd4d',\n 'syringe':'\\ud83d\\udc89',\n 'taco':'\\ud83c\\udf2e',\n 'tada':'\\ud83c\\udf89',\n 'tanabata_tree':'\\ud83c\\udf8b',\n 'taurus':'\\u2649\\ufe0f',\n 'taxi':'\\ud83d\\ude95',\n 'tea':'\\ud83c\\udf75',\n 'telephone_receiver':'\\ud83d\\udcde',\n 'telescope':'\\ud83d\\udd2d',\n 'tennis':'\\ud83c\\udfbe',\n 'tent':'\\u26fa\\ufe0f',\n 'thermometer':'\\ud83c\\udf21',\n 'thinking':'\\ud83e\\udd14',\n 'thought_balloon':'\\ud83d\\udcad',\n 'ticket':'\\ud83c\\udfab',\n 'tickets':'\\ud83c\\udf9f',\n 'tiger':'\\ud83d\\udc2f',\n 'tiger2':'\\ud83d\\udc05',\n 'timer_clock':'\\u23f2',\n 'tipping_hand_man':'\\ud83d\\udc81‍\\u2642\\ufe0f',\n 'tired_face':'\\ud83d\\ude2b',\n 'tm':'\\u2122\\ufe0f',\n 'toilet':'\\ud83d\\udebd',\n 'tokyo_tower':'\\ud83d\\uddfc',\n 'tomato':'\\ud83c\\udf45',\n 'tongue':'\\ud83d\\udc45',\n 'top':'\\ud83d\\udd1d',\n 'tophat':'\\ud83c\\udfa9',\n 'tornado':'\\ud83c\\udf2a',\n 'trackball':'\\ud83d\\uddb2',\n 'tractor':'\\ud83d\\ude9c',\n 'traffic_light':'\\ud83d\\udea5',\n 'train':'\\ud83d\\ude8b',\n 'train2':'\\ud83d\\ude86',\n 'tram':'\\ud83d\\ude8a',\n 'triangular_flag_on_post':'\\ud83d\\udea9',\n 'triangular_ruler':'\\ud83d\\udcd0',\n 'trident':'\\ud83d\\udd31',\n 'triumph':'\\ud83d\\ude24',\n 'trolleybus':'\\ud83d\\ude8e',\n 'trophy':'\\ud83c\\udfc6',\n 'tropical_drink':'\\ud83c\\udf79',\n 'tropical_fish':'\\ud83d\\udc20',\n 'truck':'\\ud83d\\ude9a',\n 'trumpet':'\\ud83c\\udfba',\n 'tulip':'\\ud83c\\udf37',\n 'tumbler_glass':'\\ud83e\\udd43',\n 'turkey':'\\ud83e\\udd83',\n 'turtle':'\\ud83d\\udc22',\n 'tv':'\\ud83d\\udcfa',\n 'twisted_rightwards_arrows':'\\ud83d\\udd00',\n 'two_hearts':'\\ud83d\\udc95',\n 'two_men_holding_hands':'\\ud83d\\udc6c',\n 'two_women_holding_hands':'\\ud83d\\udc6d',\n 'u5272':'\\ud83c\\ude39',\n 'u5408':'\\ud83c\\ude34',\n 'u55b6':'\\ud83c\\ude3a',\n 'u6307':'\\ud83c\\ude2f\\ufe0f',\n 'u6708':'\\ud83c\\ude37\\ufe0f',\n 'u6709':'\\ud83c\\ude36',\n 'u6e80':'\\ud83c\\ude35',\n 'u7121':'\\ud83c\\ude1a\\ufe0f',\n 'u7533':'\\ud83c\\ude38',\n 'u7981':'\\ud83c\\ude32',\n 'u7a7a':'\\ud83c\\ude33',\n 'umbrella':'\\u2614\\ufe0f',\n 'unamused':'\\ud83d\\ude12',\n 'underage':'\\ud83d\\udd1e',\n 'unicorn':'\\ud83e\\udd84',\n 'unlock':'\\ud83d\\udd13',\n 'up':'\\ud83c\\udd99',\n 'upside_down_face':'\\ud83d\\ude43',\n 'v':'\\u270c\\ufe0f',\n 'vertical_traffic_light':'\\ud83d\\udea6',\n 'vhs':'\\ud83d\\udcfc',\n 'vibration_mode':'\\ud83d\\udcf3',\n 'video_camera':'\\ud83d\\udcf9',\n 'video_game':'\\ud83c\\udfae',\n 'violin':'\\ud83c\\udfbb',\n 'virgo':'\\u264d\\ufe0f',\n 'volcano':'\\ud83c\\udf0b',\n 'volleyball':'\\ud83c\\udfd0',\n 'vs':'\\ud83c\\udd9a',\n 'vulcan_salute':'\\ud83d\\udd96',\n 'walking_man':'\\ud83d\\udeb6',\n 'walking_woman':'\\ud83d\\udeb6‍\\u2640\\ufe0f',\n 'waning_crescent_moon':'\\ud83c\\udf18',\n 'waning_gibbous_moon':'\\ud83c\\udf16',\n 'warning':'\\u26a0\\ufe0f',\n 'wastebasket':'\\ud83d\\uddd1',\n 'watch':'\\u231a\\ufe0f',\n 'water_buffalo':'\\ud83d\\udc03',\n 'watermelon':'\\ud83c\\udf49',\n 'wave':'\\ud83d\\udc4b',\n 'wavy_dash':'\\u3030\\ufe0f',\n 'waxing_crescent_moon':'\\ud83c\\udf12',\n 'wc':'\\ud83d\\udebe',\n 'weary':'\\ud83d\\ude29',\n 'wedding':'\\ud83d\\udc92',\n 'weight_lifting_man':'\\ud83c\\udfcb\\ufe0f',\n 'weight_lifting_woman':'\\ud83c\\udfcb\\ufe0f‍\\u2640\\ufe0f',\n 'whale':'\\ud83d\\udc33',\n 'whale2':'\\ud83d\\udc0b',\n 'wheel_of_dharma':'\\u2638\\ufe0f',\n 'wheelchair':'\\u267f\\ufe0f',\n 'white_check_mark':'\\u2705',\n 'white_circle':'\\u26aa\\ufe0f',\n 'white_flag':'\\ud83c\\udff3\\ufe0f',\n 'white_flower':'\\ud83d\\udcae',\n 'white_large_square':'\\u2b1c\\ufe0f',\n 'white_medium_small_square':'\\u25fd\\ufe0f',\n 'white_medium_square':'\\u25fb\\ufe0f',\n 'white_small_square':'\\u25ab\\ufe0f',\n 'white_square_button':'\\ud83d\\udd33',\n 'wilted_flower':'\\ud83e\\udd40',\n 'wind_chime':'\\ud83c\\udf90',\n 'wind_face':'\\ud83c\\udf2c',\n 'wine_glass':'\\ud83c\\udf77',\n 'wink':'\\ud83d\\ude09',\n 'wolf':'\\ud83d\\udc3a',\n 'woman':'\\ud83d\\udc69',\n 'woman_artist':'\\ud83d\\udc69‍\\ud83c\\udfa8',\n 'woman_astronaut':'\\ud83d\\udc69‍\\ud83d\\ude80',\n 'woman_cartwheeling':'\\ud83e\\udd38‍\\u2640\\ufe0f',\n 'woman_cook':'\\ud83d\\udc69‍\\ud83c\\udf73',\n 'woman_facepalming':'\\ud83e\\udd26‍\\u2640\\ufe0f',\n 'woman_factory_worker':'\\ud83d\\udc69‍\\ud83c\\udfed',\n 'woman_farmer':'\\ud83d\\udc69‍\\ud83c\\udf3e',\n 'woman_firefighter':'\\ud83d\\udc69‍\\ud83d\\ude92',\n 'woman_health_worker':'\\ud83d\\udc69‍\\u2695\\ufe0f',\n 'woman_judge':'\\ud83d\\udc69‍\\u2696\\ufe0f',\n 'woman_juggling':'\\ud83e\\udd39‍\\u2640\\ufe0f',\n 'woman_mechanic':'\\ud83d\\udc69‍\\ud83d\\udd27',\n 'woman_office_worker':'\\ud83d\\udc69‍\\ud83d\\udcbc',\n 'woman_pilot':'\\ud83d\\udc69‍\\u2708\\ufe0f',\n 'woman_playing_handball':'\\ud83e\\udd3e‍\\u2640\\ufe0f',\n 'woman_playing_water_polo':'\\ud83e\\udd3d‍\\u2640\\ufe0f',\n 'woman_scientist':'\\ud83d\\udc69‍\\ud83d\\udd2c',\n 'woman_shrugging':'\\ud83e\\udd37‍\\u2640\\ufe0f',\n 'woman_singer':'\\ud83d\\udc69‍\\ud83c\\udfa4',\n 'woman_student':'\\ud83d\\udc69‍\\ud83c\\udf93',\n 'woman_teacher':'\\ud83d\\udc69‍\\ud83c\\udfeb',\n 'woman_technologist':'\\ud83d\\udc69‍\\ud83d\\udcbb',\n 'woman_with_turban':'\\ud83d\\udc73‍\\u2640\\ufe0f',\n 'womans_clothes':'\\ud83d\\udc5a',\n 'womans_hat':'\\ud83d\\udc52',\n 'women_wrestling':'\\ud83e\\udd3c‍\\u2640\\ufe0f',\n 'womens':'\\ud83d\\udeba',\n 'world_map':'\\ud83d\\uddfa',\n 'worried':'\\ud83d\\ude1f',\n 'wrench':'\\ud83d\\udd27',\n 'writing_hand':'\\u270d\\ufe0f',\n 'x':'\\u274c',\n 'yellow_heart':'\\ud83d\\udc9b',\n 'yen':'\\ud83d\\udcb4',\n 'yin_yang':'\\u262f\\ufe0f',\n 'yum':'\\ud83d\\ude0b',\n 'zap':'\\u26a1\\ufe0f',\n 'zipper_mouth_face':'\\ud83e\\udd10',\n 'zzz':'\\ud83d\\udca4',\n\n /* special emojis :P */\n 'octocat': '<img width=\"20\" height=\"20\" align=\"absmiddle\" src=\"data:image/png;base64,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\">',\n 'showdown': '<img width=\"20\" height=\"20\" align=\"absmiddle\" 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* Created by Estevao on 31-05-2015.\n */\n\n/**\n * Showdown Converter class\n * @class\n * @param {object} [converterOptions]\n * @returns {Converter}\n */\nshowdown.Converter = function (converterOptions) {\n 'use strict';\n\n var\n /**\n * Options used by this converter\n * @private\n * @type {{}}\n */\n options = {},\n\n /**\n * Language extensions used by this converter\n * @private\n * @type {Array}\n */\n langExtensions = [],\n\n /**\n * Output modifiers extensions used by this converter\n * @private\n * @type {Array}\n */\n outputModifiers = [],\n\n /**\n * Event listeners\n * @private\n * @type {{}}\n */\n listeners = {},\n\n /**\n * The flavor set in this converter\n */\n setConvFlavor = setFlavor,\n\n /**\n * Metadata of the document\n * @type {{parsed: {}, raw: string, format: string}}\n */\n metadata = {\n parsed: {},\n raw: '',\n format: ''\n };\n\n _constructor();\n\n /**\n * Converter constructor\n * @private\n */\n function _constructor () {\n converterOptions = converterOptions || {};\n\n for (var gOpt in globalOptions) {\n if (globalOptions.hasOwnProperty(gOpt)) {\n options[gOpt] = globalOptions[gOpt];\n }\n }\n\n // Merge options\n if (typeof converterOptions === 'object') {\n for (var opt in converterOptions) {\n if (converterOptions.hasOwnProperty(opt)) {\n options[opt] = converterOptions[opt];\n }\n }\n } else {\n throw Error('Converter expects the passed parameter to be an object, but ' + typeof converterOptions +\n ' was passed instead.');\n }\n\n if (options.extensions) {\n showdown.helper.forEach(options.extensions, _parseExtension);\n }\n }\n\n /**\n * Parse extension\n * @param {*} ext\n * @param {string} [name='']\n * @private\n */\n function _parseExtension (ext, name) {\n\n name = name || null;\n // If it's a string, the extension was previously loaded\n if (showdown.helper.isString(ext)) {\n ext = showdown.helper.stdExtName(ext);\n name = ext;\n\n // LEGACY_SUPPORT CODE\n if (showdown.extensions[ext]) {\n console.warn('DEPRECATION WARNING: ' + ext + ' is an old extension that uses a deprecated loading method.' +\n 'Please inform the developer that the extension should be updated!');\n legacyExtensionLoading(showdown.extensions[ext], ext);\n return;\n // END LEGACY SUPPORT CODE\n\n } else if (!showdown.helper.isUndefined(extensions[ext])) {\n ext = extensions[ext];\n\n } else {\n throw Error('Extension \"' + ext + '\" could not be loaded. It was either not found or is not a valid extension.');\n }\n }\n\n if (typeof ext === 'function') {\n ext = ext();\n }\n\n if (!showdown.helper.isArray(ext)) {\n ext = [ext];\n }\n\n var validExt = validate(ext, name);\n if (!validExt.valid) {\n throw Error(validExt.error);\n }\n\n for (var i = 0; i < ext.length; ++i) {\n switch (ext[i].type) {\n\n case 'lang':\n langExtensions.push(ext[i]);\n break;\n\n case 'output':\n outputModifiers.push(ext[i]);\n break;\n }\n if (ext[i].hasOwnProperty('listeners')) {\n for (var ln in ext[i].listeners) {\n if (ext[i].listeners.hasOwnProperty(ln)) {\n listen(ln, ext[i].listeners[ln]);\n }\n }\n }\n }\n\n }\n\n /**\n * LEGACY_SUPPORT\n * @param {*} ext\n * @param {string} name\n */\n function legacyExtensionLoading (ext, name) {\n if (typeof ext === 'function') {\n ext = ext(new showdown.Converter());\n }\n if (!showdown.helper.isArray(ext)) {\n ext = [ext];\n }\n var valid = validate(ext, name);\n\n if (!valid.valid) {\n throw Error(valid.error);\n }\n\n for (var i = 0; i < ext.length; ++i) {\n switch (ext[i].type) {\n case 'lang':\n langExtensions.push(ext[i]);\n break;\n case 'output':\n outputModifiers.push(ext[i]);\n break;\n default:// should never reach here\n throw Error('Extension loader error: Type unrecognized!!!');\n }\n }\n }\n\n /**\n * Listen to an event\n * @param {string} name\n * @param {function} callback\n */\n function listen (name, callback) {\n if (!showdown.helper.isString(name)) {\n throw Error('Invalid argument in converter.listen() method: name must be a string, but ' + typeof name + ' given');\n }\n\n if (typeof callback !== 'function') {\n throw Error('Invalid argument in converter.listen() method: callback must be a function, but ' + typeof callback + ' given');\n }\n\n if (!listeners.hasOwnProperty(name)) {\n listeners[name] = [];\n }\n listeners[name].push(callback);\n }\n\n function rTrimInputText (text) {\n var rsp = text.match(/^\\s*/)[0].length,\n rgx = new RegExp('^\\\\s{0,' + rsp + '}', 'gm');\n return text.replace(rgx, '');\n }\n\n /**\n * Dispatch an event\n * @private\n * @param {string} evtName Event name\n * @param {string} text Text\n * @param {{}} options Converter Options\n * @param {{}} globals\n * @returns {string}\n */\n this._dispatch = function dispatch (evtName, text, options, globals) {\n if (listeners.hasOwnProperty(evtName)) {\n for (var ei = 0; ei < listeners[evtName].length; ++ei) {\n var nText = listeners[evtName][ei](evtName, text, this, options, globals);\n if (nText && typeof nText !== 'undefined') {\n text = nText;\n }\n }\n }\n return text;\n };\n\n /**\n * Listen to an event\n * @param {string} name\n * @param {function} callback\n * @returns {showdown.Converter}\n */\n this.listen = function (name, callback) {\n listen(name, callback);\n return this;\n };\n\n /**\n * Converts a markdown string into HTML\n * @param {string} text\n * @returns {*}\n */\n this.makeHtml = function (text) {\n //check if text is not falsy\n if (!text) {\n return text;\n }\n\n var globals = {\n gHtmlBlocks: [],\n gHtmlMdBlocks: [],\n gHtmlSpans: [],\n gUrls: {},\n gTitles: {},\n gDimensions: {},\n gListLevel: 0,\n hashLinkCounts: {},\n langExtensions: langExtensions,\n outputModifiers: outputModifiers,\n converter: this,\n ghCodeBlocks: [],\n metadata: {\n parsed: {},\n raw: '',\n format: ''\n }\n };\n\n // This lets us use ¨ trema as an escape char to avoid md5 hashes\n // The choice of character is arbitrary; anything that isn't\n // magic in Markdown will work.\n text = text.replace(/¨/g, '¨T');\n\n // Replace $ with ¨D\n // RegExp interprets $ as a special character\n // when it's in a replacement string\n text = text.replace(/\\$/g, '¨D');\n\n // Standardize line endings\n text = text.replace(/\\r\\n/g, '\\n'); // DOS to Unix\n text = text.replace(/\\r/g, '\\n'); // Mac to Unix\n\n // Stardardize line spaces (nbsp causes trouble in older browsers and some regex flavors)\n text = text.replace(/\\u00A0/g, ' ');\n\n if (options.smartIndentationFix) {\n text = rTrimInputText(text);\n }\n\n // Make sure text begins and ends with a couple of newlines:\n text = '\\n\\n' + text + '\\n\\n';\n\n // detab\n text = showdown.subParser('detab')(text, options, globals);\n\n /**\n * Strip any lines consisting only of spaces and tabs.\n * This makes subsequent regexs easier to write, because we can\n * match consecutive blank lines with /\\n+/ instead of something\n * contorted like /[ \\t]*\\n+/\n */\n text = text.replace(/^[ \\t]+$/mg, '');\n\n //run languageExtensions\n showdown.helper.forEach(langExtensions, function (ext) {\n text = showdown.subParser('runExtension')(ext, text, options, globals);\n });\n\n // run the sub parsers\n text = showdown.subParser('metadata')(text, options, globals);\n text = showdown.subParser('hashPreCodeTags')(text, options, globals);\n text = showdown.subParser('githubCodeBlocks')(text, options, globals);\n text = showdown.subParser('hashHTMLBlocks')(text, options, globals);\n text = showdown.subParser('hashCodeTags')(text, options, globals);\n text = showdown.subParser('stripLinkDefinitions')(text, options, globals);\n text = showdown.subParser('blockGamut')(text, options, globals);\n text = showdown.subParser('unhashHTMLSpans')(text, options, globals);\n text = showdown.subParser('unescapeSpecialChars')(text, options, globals);\n\n // attacklab: Restore dollar signs\n text = text.replace(/¨D/g, '$$');\n\n // attacklab: Restore tremas\n text = text.replace(/¨T/g, '¨');\n\n // render a complete html document instead of a partial if the option is enabled\n text = showdown.subParser('completeHTMLDocument')(text, options, globals);\n\n // Run output modifiers\n showdown.helper.forEach(outputModifiers, function (ext) {\n text = showdown.subParser('runExtension')(ext, text, options, globals);\n });\n\n // update metadata\n metadata = globals.metadata;\n return text;\n };\n\n /**\n * Set an option of this Converter instance\n * @param {string} key\n * @param {*} value\n */\n this.setOption = function (key, value) {\n options[key] = value;\n };\n\n /**\n * Get the option of this Converter instance\n * @param {string} key\n * @returns {*}\n */\n this.getOption = function (key) {\n return options[key];\n };\n\n /**\n * Get the options of this Converter instance\n * @returns {{}}\n */\n this.getOptions = function () {\n return options;\n };\n\n /**\n * Add extension to THIS converter\n * @param {{}} extension\n * @param {string} [name=null]\n */\n this.addExtension = function (extension, name) {\n name = name || null;\n _parseExtension(extension, name);\n };\n\n /**\n * Use a global registered extension with THIS converter\n * @param {string} extensionName Name of the previously registered extension\n */\n this.useExtension = function (extensionName) {\n _parseExtension(extensionName);\n };\n\n /**\n * Set the flavor THIS converter should use\n * @param {string} name\n */\n this.setFlavor = function (name) {\n if (!flavor.hasOwnProperty(name)) {\n throw Error(name + ' flavor was not found');\n }\n var preset = flavor[name];\n setConvFlavor = name;\n for (var option in preset) {\n if (preset.hasOwnProperty(option)) {\n options[option] = preset[option];\n }\n }\n };\n\n /**\n * Get the currently set flavor of this converter\n * @returns {string}\n */\n this.getFlavor = function () {\n return setConvFlavor;\n };\n\n /**\n * Remove an extension from THIS converter.\n * Note: This is a costly operation. It's better to initialize a new converter\n * and specify the extensions you wish to use\n * @param {Array} extension\n */\n this.removeExtension = function (extension) {\n if (!showdown.helper.isArray(extension)) {\n extension = [extension];\n }\n for (var a = 0; a < extension.length; ++a) {\n var ext = extension[a];\n for (var i = 0; i < langExtensions.length; ++i) {\n if (langExtensions[i] === ext) {\n langExtensions[i].splice(i, 1);\n }\n }\n for (var ii = 0; ii < outputModifiers.length; ++i) {\n if (outputModifiers[ii] === ext) {\n outputModifiers[ii].splice(i, 1);\n }\n }\n }\n };\n\n /**\n * Get all extension of THIS converter\n * @returns {{language: Array, output: Array}}\n */\n this.getAllExtensions = function () {\n return {\n language: langExtensions,\n output: outputModifiers\n };\n };\n\n /**\n * Get the metadata of the previously parsed document\n * @param raw\n * @returns {string|{}}\n */\n this.getMetadata = function (raw) {\n if (raw) {\n return metadata.raw;\n } else {\n return metadata.parsed;\n }\n };\n\n /**\n * Get the metadata format of the previously parsed document\n * @returns {string}\n */\n this.getMetadataFormat = function () {\n return metadata.format;\n };\n\n /**\n * Private: set a single key, value metadata pair\n * @param {string} key\n * @param {string} value\n */\n this._setMetadataPair = function (key, value) {\n metadata.parsed[key] = value;\n };\n\n /**\n * Private: set metadata format\n * @param {string} format\n */\n this._setMetadataFormat = function (format) {\n metadata.format = format;\n };\n\n /**\n * Private: set metadata raw text\n * @param {string} raw\n */\n this._setMetadataRaw = function (raw) {\n metadata.raw = raw;\n };\n};\n\r\n/**\n * Turn Markdown link shortcuts into XHTML <a> tags.\n */\nshowdown.subParser('anchors', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('anchors.before', text, options, globals);\n\n var writeAnchorTag = function (wholeMatch, linkText, linkId, url, m5, m6, title) {\n if (showdown.helper.isUndefined(title)) {\n title = '';\n }\n linkId = linkId.toLowerCase();\n\n // Special case for explicit empty url\n if (wholeMatch.search(/\\(<?\\s*>? ?(['\"].*['\"])?\\)$/m) > -1) {\n url = '';\n } else if (!url) {\n if (!linkId) {\n // lower-case and turn embedded newlines into spaces\n linkId = linkText.toLowerCase().replace(/ ?\\n/g, ' ');\n }\n url = '#' + linkId;\n\n if (!showdown.helper.isUndefined(globals.gUrls[linkId])) {\n url = globals.gUrls[linkId];\n if (!showdown.helper.isUndefined(globals.gTitles[linkId])) {\n title = globals.gTitles[linkId];\n }\n } else {\n return wholeMatch;\n }\n }\n\n //url = showdown.helper.escapeCharacters(url, '*_', false); // replaced line to improve performance\n url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n\n var result = '<a href=\"' + url + '\"';\n\n if (title !== '' && title !== null) {\n title = title.replace(/\"/g, '"');\n //title = showdown.helper.escapeCharacters(title, '*_', false); // replaced line to improve performance\n title = title.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n result += ' title=\"' + title + '\"';\n }\n\n // optionLinksInNewWindow only applies\n // to external links. Hash links (#) open in same page\n if (options.openLinksInNewWindow && !/^#/.test(url)) {\n // escaped _\n result += ' target=\"¨E95Eblank\"';\n }\n\n result += '>' + linkText + '</a>';\n\n return result;\n };\n\n // First, handle reference-style links: [link text] [id]\n text = text.replace(/\\[((?:\\[[^\\]]*]|[^\\[\\]])*)] ?(?:\\n *)?\\[(.*?)]()()()()/g, writeAnchorTag);\n\n // Next, inline-style links: [link text](url \"optional title\")\n // cases with crazy urls like ./image/cat1).png\n text = text.replace(/\\[((?:\\[[^\\]]*]|[^\\[\\]])*)]()[ \\t]*\\([ \\t]?<([^>]*)>(?:[ \\t]*(([\"'])([^\"]*?)\\5))?[ \\t]?\\)/g,\n writeAnchorTag);\n\n // normal cases\n text = text.replace(/\\[((?:\\[[^\\]]*]|[^\\[\\]])*)]()[ \\t]*\\([ \\t]?<?([\\S]+?(?:\\([\\S]*?\\)[\\S]*?)?)>?(?:[ \\t]*(([\"'])([^\"]*?)\\5))?[ \\t]?\\)/g,\n writeAnchorTag);\n\n // handle reference-style shortcuts: [link text]\n // These must come last in case you've also got [link test][1]\n // or [link test](/foo)\n text = text.replace(/\\[([^\\[\\]]+)]()()()()()/g, writeAnchorTag);\n\n // Lastly handle GithubMentions if option is enabled\n if (options.ghMentions) {\n text = text.replace(/(^|\\s)(\\\\)?(@([a-z\\d\\-]+))(?=[.!?;,[\\]()]|\\s|$)/gmi, function (wm, st, escape, mentions, username) {\n if (escape === '\\\\') {\n return st + mentions;\n }\n\n //check if options.ghMentionsLink is a string\n if (!showdown.helper.isString(options.ghMentionsLink)) {\n throw new Error('ghMentionsLink option must be a string');\n }\n var lnk = options.ghMentionsLink.replace(/\\{u}/g, username),\n target = '';\n if (options.openLinksInNewWindow) {\n target = ' target=\"¨E95Eblank\"';\n }\n return st + '<a href=\"' + lnk + '\"' + target + '>' + mentions + '</a>';\n });\n }\n\n text = globals.converter._dispatch('anchors.after', text, options, globals);\n return text;\n});\n\r\n// url allowed chars [a-z\\d_.~:/?#[]@!$&'()*+,;=-]\n\nvar simpleURLRegex = /([*~_]+|\\b)(((https?|ftp|dict):\\/\\/|www\\.)[^'\">\\s]+?\\.[^'\">\\s]+?)()(\\1)?(?=\\s|$)(?![\"<>])/gi,\n simpleURLRegex2 = /([*~_]+|\\b)(((https?|ftp|dict):\\/\\/|www\\.)[^'\">\\s]+\\.[^'\">\\s]+?)([.!?,()\\[\\]])?(\\1)?(?=\\s|$)(?![\"<>])/gi,\n delimUrlRegex = /()<(((https?|ftp|dict):\\/\\/|www\\.)[^'\">\\s]+)()>()/gi,\n simpleMailRegex = /(^|\\s)(?:mailto:)?([A-Za-z0-9!#$%&'*+-/=?^_`{|}~.]+@[-a-z0-9]+(\\.[-a-z0-9]+)*\\.[a-z]+)(?=$|\\s)/gmi,\n delimMailRegex = /<()(?:mailto:)?([-.\\w]+@[-a-z0-9]+(\\.[-a-z0-9]+)*\\.[a-z]+)>/gi,\n\n replaceLink = function (options) {\n 'use strict';\n return function (wm, leadingMagicChars, link, m2, m3, trailingPunctuation, trailingMagicChars) {\n link = link.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n var lnkTxt = link,\n append = '',\n target = '',\n lmc = leadingMagicChars || '',\n tmc = trailingMagicChars || '';\n if (/^www\\./i.test(link)) {\n link = link.replace(/^www\\./i, 'http://www.');\n }\n if (options.excludeTrailingPunctuationFromURLs && trailingPunctuation) {\n append = trailingPunctuation;\n }\n if (options.openLinksInNewWindow) {\n target = ' target=\"¨E95Eblank\"';\n }\n return lmc + '<a href=\"' + link + '\"' + target + '>' + lnkTxt + '</a>' + append + tmc;\n };\n },\n\n replaceMail = function (options, globals) {\n 'use strict';\n return function (wholeMatch, b, mail) {\n var href = 'mailto:';\n b = b || '';\n mail = showdown.subParser('unescapeSpecialChars')(mail, options, globals);\n if (options.encodeEmails) {\n href = showdown.helper.encodeEmailAddress(href + mail);\n mail = showdown.helper.encodeEmailAddress(mail);\n } else {\n href = href + mail;\n }\n return b + '<a href=\"' + href + '\">' + mail + '</a>';\n };\n };\n\nshowdown.subParser('autoLinks', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('autoLinks.before', text, options, globals);\n\n text = text.replace(delimUrlRegex, replaceLink(options));\n text = text.replace(delimMailRegex, replaceMail(options, globals));\n\n text = globals.converter._dispatch('autoLinks.after', text, options, globals);\n\n return text;\n});\n\nshowdown.subParser('simplifiedAutoLinks', function (text, options, globals) {\n 'use strict';\n\n if (!options.simplifiedAutoLink) {\n return text;\n }\n\n text = globals.converter._dispatch('simplifiedAutoLinks.before', text, options, globals);\n\n if (options.excludeTrailingPunctuationFromURLs) {\n text = text.replace(simpleURLRegex2, replaceLink(options));\n } else {\n text = text.replace(simpleURLRegex, replaceLink(options));\n }\n text = text.replace(simpleMailRegex, replaceMail(options, globals));\n\n text = globals.converter._dispatch('simplifiedAutoLinks.after', text, options, globals);\n\n return text;\n});\n\r\n/**\n * These are all the transformations that form block-level\n * tags like paragraphs, headers, and list items.\n */\nshowdown.subParser('blockGamut', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('blockGamut.before', text, options, globals);\n\n // we parse blockquotes first so that we can have headings and hrs\n // inside blockquotes\n text = showdown.subParser('blockQuotes')(text, options, globals);\n text = showdown.subParser('headers')(text, options, globals);\n\n // Do Horizontal Rules:\n text = showdown.subParser('horizontalRule')(text, options, globals);\n\n text = showdown.subParser('lists')(text, options, globals);\n text = showdown.subParser('codeBlocks')(text, options, globals);\n text = showdown.subParser('tables')(text, options, globals);\n\n // We already ran _HashHTMLBlocks() before, in Markdown(), but that\n // was to escape raw HTML in the original Markdown source. This time,\n // we're escaping the markup we've just created, so that we don't wrap\n // <p> tags around block-level tags.\n text = showdown.subParser('hashHTMLBlocks')(text, options, globals);\n text = showdown.subParser('paragraphs')(text, options, globals);\n\n text = globals.converter._dispatch('blockGamut.after', text, options, globals);\n\n return text;\n});\n\r\nshowdown.subParser('blockQuotes', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('blockQuotes.before', text, options, globals);\n\n // add a couple extra lines after the text and endtext mark\n text = text + '\\n\\n';\n\n var rgx = /(^ {0,3}>[ \\t]?.+\\n(.+\\n)*\\n*)+/gm;\n\n if (options.splitAdjacentBlockquotes) {\n rgx = /^ {0,3}>[\\s\\S]*?(?:\\n\\n)/gm;\n }\n\n text = text.replace(rgx, function (bq) {\n // attacklab: hack around Konqueror 3.5.4 bug:\n // \"----------bug\".replace(/^-/g,\"\") == \"bug\"\n bq = bq.replace(/^[ \\t]*>[ \\t]?/gm, ''); // trim one level of quoting\n\n // attacklab: clean up hack\n bq = bq.replace(/¨0/g, '');\n\n bq = bq.replace(/^[ \\t]+$/gm, ''); // trim whitespace-only lines\n bq = showdown.subParser('githubCodeBlocks')(bq, options, globals);\n bq = showdown.subParser('blockGamut')(bq, options, globals); // recurse\n\n bq = bq.replace(/(^|\\n)/g, '$1 ');\n // These leading spaces screw with <pre> content, so we need to fix that:\n bq = bq.replace(/(\\s*<pre>[^\\r]+?<\\/pre>)/gm, function (wholeMatch, m1) {\n var pre = m1;\n // attacklab: hack around Konqueror 3.5.4 bug:\n pre = pre.replace(/^ /mg, '¨0');\n pre = pre.replace(/¨0/g, '');\n return pre;\n });\n\n return showdown.subParser('hashBlock')('<blockquote>\\n' + bq + '\\n</blockquote>', options, globals);\n });\n\n text = globals.converter._dispatch('blockQuotes.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Process Markdown `<pre><code>` blocks.\n */\nshowdown.subParser('codeBlocks', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('codeBlocks.before', text, options, globals);\n\n // sentinel workarounds for lack of \\A and \\Z, safari\\khtml bug\n text += '¨0';\n\n var pattern = /(?:\\n\\n|^)((?:(?:[ ]{4}|\\t).*\\n+)+)(\\n*[ ]{0,3}[^ \\t\\n]|(?=¨0))/g;\n text = text.replace(pattern, function (wholeMatch, m1, m2) {\n var codeblock = m1,\n nextChar = m2,\n end = '\\n';\n\n codeblock = showdown.subParser('outdent')(codeblock, options, globals);\n codeblock = showdown.subParser('encodeCode')(codeblock, options, globals);\n codeblock = showdown.subParser('detab')(codeblock, options, globals);\n codeblock = codeblock.replace(/^\\n+/g, ''); // trim leading newlines\n codeblock = codeblock.replace(/\\n+$/g, ''); // trim trailing newlines\n\n if (options.omitExtraWLInCodeBlocks) {\n end = '';\n }\n\n codeblock = '<pre><code>' + codeblock + end + '</code></pre>';\n\n return showdown.subParser('hashBlock')(codeblock, options, globals) + nextChar;\n });\n\n // strip sentinel\n text = text.replace(/¨0/, '');\n\n text = globals.converter._dispatch('codeBlocks.after', text, options, globals);\n return text;\n});\n\r\n/**\n *\n * * Backtick quotes are used for <code></code> spans.\n *\n * * You can use multiple backticks as the delimiters if you want to\n * include literal backticks in the code span. So, this input:\n *\n * Just type ``foo `bar` baz`` at the prompt.\n *\n * Will translate to:\n *\n * <p>Just type <code>foo `bar` baz</code> at the prompt.</p>\n *\n * There's no arbitrary limit to the number of backticks you\n * can use as delimters. If you need three consecutive backticks\n * in your code, use four for delimiters, etc.\n *\n * * You can use spaces to get literal backticks at the edges:\n *\n * ... type `` `bar` `` ...\n *\n * Turns to:\n *\n * ... type <code>`bar`</code> ...\n */\nshowdown.subParser('codeSpans', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('codeSpans.before', text, options, globals);\n\n if (typeof(text) === 'undefined') {\n text = '';\n }\n text = text.replace(/(^|[^\\\\])(`+)([^\\r]*?[^`])\\2(?!`)/gm,\n function (wholeMatch, m1, m2, m3) {\n var c = m3;\n c = c.replace(/^([ \\t]*)/g, '');\t// leading whitespace\n c = c.replace(/[ \\t]*$/g, '');\t// trailing whitespace\n c = showdown.subParser('encodeCode')(c, options, globals);\n c = m1 + '<code>' + c + '</code>';\n c = showdown.subParser('hashHTMLSpans')(c, options, globals);\n return c;\n }\n );\n\n text = globals.converter._dispatch('codeSpans.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Turn Markdown link shortcuts into XHTML <a> tags.\n */\nshowdown.subParser('completeHTMLDocument', function (text, options, globals) {\n 'use strict';\n\n if (!options.completeHTMLDocument) {\n return text;\n }\n\n text = globals.converter._dispatch('completeHTMLDocument.before', text, options, globals);\n\n var doctype = 'html',\n doctypeParsed = '<!DOCTYPE HTML>\\n',\n title = '',\n charset = '<meta charset=\"utf-8\">\\n',\n lang = '',\n metadata = '';\n\n if (typeof globals.metadata.parsed.doctype !== 'undefined') {\n doctypeParsed = '<!DOCTYPE ' + globals.metadata.parsed.doctype + '>\\n';\n doctype = globals.metadata.parsed.doctype.toString().toLowerCase();\n if (doctype === 'html' || doctype === 'html5') {\n charset = '<meta charset=\"utf-8\">';\n }\n }\n\n for (var meta in globals.metadata.parsed) {\n if (globals.metadata.parsed.hasOwnProperty(meta)) {\n switch (meta.toLowerCase()) {\n case 'doctype':\n break;\n\n case 'title':\n title = '<title>' + globals.metadata.parsed.title + '</title>\\n';\n break;\n\n case 'charset':\n if (doctype === 'html' || doctype === 'html5') {\n charset = '<meta charset=\"' + globals.metadata.parsed.charset + '\">\\n';\n } else {\n charset = '<meta name=\"charset\" content=\"' + globals.metadata.parsed.charset + '\">\\n';\n }\n break;\n\n case 'language':\n case 'lang':\n lang = ' lang=\"' + globals.metadata.parsed[meta] + '\"';\n metadata += '<meta name=\"' + meta + '\" content=\"' + globals.metadata.parsed[meta] + '\">\\n';\n break;\n\n default:\n metadata += '<meta name=\"' + meta + '\" content=\"' + globals.metadata.parsed[meta] + '\">\\n';\n }\n }\n }\n\n text = doctypeParsed + '<html' + lang + '>\\n<head>\\n' + title + charset + metadata + '</head>\\n<body>\\n' + text.trim() + '\\n</body>\\n</html>';\n\n text = globals.converter._dispatch('completeHTMLDocument.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Convert all tabs to spaces\n */\nshowdown.subParser('detab', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('detab.before', text, options, globals);\n\n // expand first n-1 tabs\n text = text.replace(/\\t(?=\\t)/g, ' '); // g_tab_width\n\n // replace the nth with two sentinels\n text = text.replace(/\\t/g, '¨A¨B');\n\n // use the sentinel to anchor our regex so it doesn't explode\n text = text.replace(/¨B(.+?)¨A/g, function (wholeMatch, m1) {\n var leadingText = m1,\n numSpaces = 4 - leadingText.length % 4; // g_tab_width\n\n // there *must* be a better way to do this:\n for (var i = 0; i < numSpaces; i++) {\n leadingText += ' ';\n }\n\n return leadingText;\n });\n\n // clean up sentinels\n text = text.replace(/¨A/g, ' '); // g_tab_width\n text = text.replace(/¨B/g, '');\n\n text = globals.converter._dispatch('detab.after', text, options, globals);\n return text;\n});\n\r\nshowdown.subParser('ellipsis', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('ellipsis.before', text, options, globals);\n\n text = text.replace(/\\.\\.\\./g, '…');\n\n text = globals.converter._dispatch('ellipsis.after', text, options, globals);\n\n return text;\n});\n\r\n/**\n * These are all the transformations that occur *within* block-level\n * tags like paragraphs, headers, and list items.\n */\nshowdown.subParser('emoji', function (text, options, globals) {\n 'use strict';\n\n if (!options.emoji) {\n return text;\n }\n\n text = globals.converter._dispatch('emoji.before', text, options, globals);\n\n var emojiRgx = /:([\\S]+?):/g;\n\n text = text.replace(emojiRgx, function (wm, emojiCode) {\n if (showdown.helper.emojis.hasOwnProperty(emojiCode)) {\n return showdown.helper.emojis[emojiCode];\n }\n return wm;\n });\n\n text = globals.converter._dispatch('emoji.after', text, options, globals);\n\n return text;\n});\n\r\n/**\n * Smart processing for ampersands and angle brackets that need to be encoded.\n */\nshowdown.subParser('encodeAmpsAndAngles', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('encodeAmpsAndAngles.before', text, options, globals);\n\n // Ampersand-encoding based entirely on Nat Irons's Amputator MT plugin:\n // http://bumppo.net/projects/amputator/\n text = text.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+|\\w+);)/g, '&');\n\n // Encode naked <'s\n text = text.replace(/<(?![a-z\\/?$!])/gi, '<');\n\n // Encode <\n text = text.replace(/</g, '<');\n\n // Encode >\n text = text.replace(/>/g, '>');\n\n text = globals.converter._dispatch('encodeAmpsAndAngles.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Returns the string, with after processing the following backslash escape sequences.\n *\n * attacklab: The polite way to do this is with the new escapeCharacters() function:\n *\n * text = escapeCharacters(text,\"\\\\\",true);\n * text = escapeCharacters(text,\"`*_{}[]()>#+-.!\",true);\n *\n * ...but we're sidestepping its use of the (slow) RegExp constructor\n * as an optimization for Firefox. This function gets called a LOT.\n */\nshowdown.subParser('encodeBackslashEscapes', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('encodeBackslashEscapes.before', text, options, globals);\n\n text = text.replace(/\\\\(\\\\)/g, showdown.helper.escapeCharactersCallback);\n text = text.replace(/\\\\([`*_{}\\[\\]()>#+.!~=|-])/g, showdown.helper.escapeCharactersCallback);\n\n text = globals.converter._dispatch('encodeBackslashEscapes.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Encode/escape certain characters inside Markdown code runs.\n * The point is that in code, these characters are literals,\n * and lose their special Markdown meanings.\n */\nshowdown.subParser('encodeCode', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('encodeCode.before', text, options, globals);\n\n // Encode all ampersands; HTML entities are not\n // entities within a Markdown code span.\n text = text\n .replace(/&/g, '&')\n // Do the angle bracket song and dance:\n .replace(/</g, '<')\n .replace(/>/g, '>')\n // Now, escape characters that are magic in Markdown:\n .replace(/([*_{}\\[\\]\\\\=~-])/g, showdown.helper.escapeCharactersCallback);\n\n text = globals.converter._dispatch('encodeCode.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Within tags -- meaning between < and > -- encode [\\ ` * _ ~ =] so they\n * don't conflict with their use in Markdown for code, italics and strong.\n */\nshowdown.subParser('escapeSpecialCharsWithinTagAttributes', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('escapeSpecialCharsWithinTagAttributes.before', text, options, globals);\n\n // Build a regex to find HTML tags.\n var tags = /<\\/?[a-z\\d_:-]+(?:[\\s]+[\\s\\S]+?)?>/gi,\n comments = /<!(--(?:(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)>/gi;\n\n text = text.replace(tags, function (wholeMatch) {\n return wholeMatch\n .replace(/(.)<\\/?code>(?=.)/g, '$1`')\n .replace(/([\\\\`*_~=|])/g, showdown.helper.escapeCharactersCallback);\n });\n\n text = text.replace(comments, function (wholeMatch) {\n return wholeMatch\n .replace(/([\\\\`*_~=|])/g, showdown.helper.escapeCharactersCallback);\n });\n\n text = globals.converter._dispatch('escapeSpecialCharsWithinTagAttributes.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Handle github codeblocks prior to running HashHTML so that\n * HTML contained within the codeblock gets escaped properly\n * Example:\n * ```ruby\n * def hello_world(x)\n * puts \"Hello, #{x}\"\n * end\n * ```\n */\nshowdown.subParser('githubCodeBlocks', function (text, options, globals) {\n 'use strict';\n\n // early exit if option is not enabled\n if (!options.ghCodeBlocks) {\n return text;\n }\n\n text = globals.converter._dispatch('githubCodeBlocks.before', text, options, globals);\n\n text += '¨0';\n\n text = text.replace(/(?:^|\\n)(```+|~~~+)([^\\s`~]*)\\n([\\s\\S]*?)\\n\\1/g, function (wholeMatch, delim, language, codeblock) {\n var end = (options.omitExtraWLInCodeBlocks) ? '' : '\\n';\n\n // First parse the github code block\n codeblock = showdown.subParser('encodeCode')(codeblock, options, globals);\n codeblock = showdown.subParser('detab')(codeblock, options, globals);\n codeblock = codeblock.replace(/^\\n+/g, ''); // trim leading newlines\n codeblock = codeblock.replace(/\\n+$/g, ''); // trim trailing whitespace\n\n codeblock = '<pre><code' + (language ? ' class=\"' + language + ' language-' + language + '\"' : '') + '>' + codeblock + end + '</code></pre>';\n\n codeblock = showdown.subParser('hashBlock')(codeblock, options, globals);\n\n // Since GHCodeblocks can be false positives, we need to\n // store the primitive text and the parsed text in a global var,\n // and then return a token\n return '\\n\\n¨G' + (globals.ghCodeBlocks.push({text: wholeMatch, codeblock: codeblock}) - 1) + 'G\\n\\n';\n });\n\n // attacklab: strip sentinel\n text = text.replace(/¨0/, '');\n\n return globals.converter._dispatch('githubCodeBlocks.after', text, options, globals);\n});\n\r\nshowdown.subParser('hashBlock', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('hashBlock.before', text, options, globals);\n text = text.replace(/(^\\n+|\\n+$)/g, '');\n text = '\\n\\n¨K' + (globals.gHtmlBlocks.push(text) - 1) + 'K\\n\\n';\n text = globals.converter._dispatch('hashBlock.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Hash and escape <code> elements that should not be parsed as markdown\n */\nshowdown.subParser('hashCodeTags', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('hashCodeTags.before', text, options, globals);\n\n var repFunc = function (wholeMatch, match, left, right) {\n var codeblock = left + showdown.subParser('encodeCode')(match, options, globals) + right;\n return '¨C' + (globals.gHtmlSpans.push(codeblock) - 1) + 'C';\n };\n\n // Hash naked <code>\n text = showdown.helper.replaceRecursiveRegExp(text, repFunc, '<code\\\\b[^>]*>', '</code>', 'gim');\n\n text = globals.converter._dispatch('hashCodeTags.after', text, options, globals);\n return text;\n});\n\r\nshowdown.subParser('hashElement', function (text, options, globals) {\n 'use strict';\n\n return function (wholeMatch, m1) {\n var blockText = m1;\n\n // Undo double lines\n blockText = blockText.replace(/\\n\\n/g, '\\n');\n blockText = blockText.replace(/^\\n/, '');\n\n // strip trailing blank lines\n blockText = blockText.replace(/\\n+$/g, '');\n\n // Replace the element text with a marker (\"¨KxK\" where x is its key)\n blockText = '\\n\\n¨K' + (globals.gHtmlBlocks.push(blockText) - 1) + 'K\\n\\n';\n\n return blockText;\n };\n});\n\r\nshowdown.subParser('hashHTMLBlocks', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('hashHTMLBlocks.before', text, options, globals);\n\n var blockTags = [\n 'pre',\n 'div',\n 'h1',\n 'h2',\n 'h3',\n 'h4',\n 'h5',\n 'h6',\n 'blockquote',\n 'table',\n 'dl',\n 'ol',\n 'ul',\n 'script',\n 'noscript',\n 'form',\n 'fieldset',\n 'iframe',\n 'math',\n 'style',\n 'section',\n 'header',\n 'footer',\n 'nav',\n 'article',\n 'aside',\n 'address',\n 'audio',\n 'canvas',\n 'figure',\n 'hgroup',\n 'output',\n 'video',\n 'p'\n ],\n repFunc = function (wholeMatch, match, left, right) {\n var txt = wholeMatch;\n // check if this html element is marked as markdown\n // if so, it's contents should be parsed as markdown\n if (left.search(/\\bmarkdown\\b/) !== -1) {\n txt = left + globals.converter.makeHtml(match) + right;\n }\n return '\\n\\n¨K' + (globals.gHtmlBlocks.push(txt) - 1) + 'K\\n\\n';\n };\n\n if (options.backslashEscapesHTMLTags) {\n // encode backslash escaped HTML tags\n text = text.replace(/\\\\<(\\/?[^>]+?)>/g, function (wm, inside) {\n return '<' + inside + '>';\n });\n }\n\n // hash HTML Blocks\n for (var i = 0; i < blockTags.length; ++i) {\n\n var opTagPos,\n rgx1 = new RegExp('^ {0,3}(<' + blockTags[i] + '\\\\b[^>]*>)', 'im'),\n patLeft = '<' + blockTags[i] + '\\\\b[^>]*>',\n patRight = '</' + blockTags[i] + '>';\n // 1. Look for the first position of the first opening HTML tag in the text\n while ((opTagPos = showdown.helper.regexIndexOf(text, rgx1)) !== -1) {\n\n // if the HTML tag is \\ escaped, we need to escape it and break\n\n\n //2. Split the text in that position\n var subTexts = showdown.helper.splitAtIndex(text, opTagPos),\n //3. Match recursively\n newSubText1 = showdown.helper.replaceRecursiveRegExp(subTexts[1], repFunc, patLeft, patRight, 'im');\n\n // prevent an infinite loop\n if (newSubText1 === subTexts[1]) {\n break;\n }\n text = subTexts[0].concat(newSubText1);\n }\n }\n // HR SPECIAL CASE\n text = text.replace(/(\\n {0,3}(<(hr)\\b([^<>])*?\\/?>)[ \\t]*(?=\\n{2,}))/g,\n showdown.subParser('hashElement')(text, options, globals));\n\n // Special case for standalone HTML comments\n text = showdown.helper.replaceRecursiveRegExp(text, function (txt) {\n return '\\n\\n¨K' + (globals.gHtmlBlocks.push(txt) - 1) + 'K\\n\\n';\n }, '^ {0,3}<!--', '-->', 'gm');\n\n // PHP and ASP-style processor instructions (<?...?> and <%...%>)\n text = text.replace(/(?:\\n\\n)( {0,3}(?:<([?%])[^\\r]*?\\2>)[ \\t]*(?=\\n{2,}))/g,\n showdown.subParser('hashElement')(text, options, globals));\n\n text = globals.converter._dispatch('hashHTMLBlocks.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Hash span elements that should not be parsed as markdown\n */\nshowdown.subParser('hashHTMLSpans', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('hashHTMLSpans.before', text, options, globals);\n\n function hashHTMLSpan (html) {\n return '¨C' + (globals.gHtmlSpans.push(html) - 1) + 'C';\n }\n\n // Hash Self Closing tags\n text = text.replace(/<[^>]+?\\/>/gi, function (wm) {\n return hashHTMLSpan(wm);\n });\n\n // Hash tags without properties\n text = text.replace(/<([^>]+?)>[\\s\\S]*?<\\/\\1>/g, function (wm) {\n return hashHTMLSpan(wm);\n });\n\n // Hash tags with properties\n text = text.replace(/<([^>]+?)\\s[^>]+?>[\\s\\S]*?<\\/\\1>/g, function (wm) {\n return hashHTMLSpan(wm);\n });\n\n // Hash self closing tags without />\n text = text.replace(/<[^>]+?>/gi, function (wm) {\n return hashHTMLSpan(wm);\n });\n\n /*showdown.helper.matchRecursiveRegExp(text, '<code\\\\b[^>]*>', '</code>', 'gi');*/\n\n text = globals.converter._dispatch('hashHTMLSpans.after', text, options, globals);\n return text;\n});\n\n/**\n * Unhash HTML spans\n */\nshowdown.subParser('unhashHTMLSpans', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('unhashHTMLSpans.before', text, options, globals);\n\n for (var i = 0; i < globals.gHtmlSpans.length; ++i) {\n var repText = globals.gHtmlSpans[i],\n // limiter to prevent infinite loop (assume 10 as limit for recurse)\n limit = 0;\n\n while (/¨C(\\d+)C/.test(repText)) {\n var num = RegExp.$1;\n repText = repText.replace('¨C' + num + 'C', globals.gHtmlSpans[num]);\n if (limit === 10) {\n console.error('maximum nesting of 10 spans reached!!!');\n break;\n }\n ++limit;\n }\n text = text.replace('¨C' + i + 'C', repText);\n }\n\n text = globals.converter._dispatch('unhashHTMLSpans.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Hash and escape <pre><code> elements that should not be parsed as markdown\n */\nshowdown.subParser('hashPreCodeTags', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('hashPreCodeTags.before', text, options, globals);\n\n var repFunc = function (wholeMatch, match, left, right) {\n // encode html entities\n var codeblock = left + showdown.subParser('encodeCode')(match, options, globals) + right;\n return '\\n\\n¨G' + (globals.ghCodeBlocks.push({text: wholeMatch, codeblock: codeblock}) - 1) + 'G\\n\\n';\n };\n\n // Hash <pre><code>\n text = showdown.helper.replaceRecursiveRegExp(text, repFunc, '^ {0,3}<pre\\\\b[^>]*>\\\\s*<code\\\\b[^>]*>', '^ {0,3}</code>\\\\s*</pre>', 'gim');\n\n text = globals.converter._dispatch('hashPreCodeTags.after', text, options, globals);\n return text;\n});\n\r\nshowdown.subParser('headers', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('headers.before', text, options, globals);\n\n var headerLevelStart = (isNaN(parseInt(options.headerLevelStart))) ? 1 : parseInt(options.headerLevelStart),\n\n // Set text-style headers:\n //\tHeader 1\n //\t========\n //\n //\tHeader 2\n //\t--------\n //\n setextRegexH1 = (options.smoothLivePreview) ? /^(.+)[ \\t]*\\n={2,}[ \\t]*\\n+/gm : /^(.+)[ \\t]*\\n=+[ \\t]*\\n+/gm,\n setextRegexH2 = (options.smoothLivePreview) ? /^(.+)[ \\t]*\\n-{2,}[ \\t]*\\n+/gm : /^(.+)[ \\t]*\\n-+[ \\t]*\\n+/gm;\n\n text = text.replace(setextRegexH1, function (wholeMatch, m1) {\n\n var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),\n hID = (options.noHeaderId) ? '' : ' id=\"' + headerId(m1) + '\"',\n hLevel = headerLevelStart,\n hashBlock = '<h' + hLevel + hID + '>' + spanGamut + '</h' + hLevel + '>';\n return showdown.subParser('hashBlock')(hashBlock, options, globals);\n });\n\n text = text.replace(setextRegexH2, function (matchFound, m1) {\n var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),\n hID = (options.noHeaderId) ? '' : ' id=\"' + headerId(m1) + '\"',\n hLevel = headerLevelStart + 1,\n hashBlock = '<h' + hLevel + hID + '>' + spanGamut + '</h' + hLevel + '>';\n return showdown.subParser('hashBlock')(hashBlock, options, globals);\n });\n\n // atx-style headers:\n // # Header 1\n // ## Header 2\n // ## Header 2 with closing hashes ##\n // ...\n // ###### Header 6\n //\n var atxStyle = (options.requireSpaceBeforeHeadingText) ? /^(#{1,6})[ \\t]+(.+?)[ \\t]*#*\\n+/gm : /^(#{1,6})[ \\t]*(.+?)[ \\t]*#*\\n+/gm;\n\n text = text.replace(atxStyle, function (wholeMatch, m1, m2) {\n var hText = m2;\n if (options.customizedHeaderId) {\n hText = m2.replace(/\\s?\\{([^{]+?)}\\s*$/, '');\n }\n\n var span = showdown.subParser('spanGamut')(hText, options, globals),\n hID = (options.noHeaderId) ? '' : ' id=\"' + headerId(m2) + '\"',\n hLevel = headerLevelStart - 1 + m1.length,\n header = '<h' + hLevel + hID + '>' + span + '</h' + hLevel + '>';\n\n return showdown.subParser('hashBlock')(header, options, globals);\n });\n\n function headerId (m) {\n var title,\n prefix;\n\n // It is separate from other options to allow combining prefix and customized\n if (options.customizedHeaderId) {\n var match = m.match(/\\{([^{]+?)}\\s*$/);\n if (match && match[1]) {\n m = match[1];\n }\n }\n\n title = m;\n\n // Prefix id to prevent causing inadvertent pre-existing style matches.\n if (showdown.helper.isString(options.prefixHeaderId)) {\n prefix = options.prefixHeaderId;\n } else if (options.prefixHeaderId === true) {\n prefix = 'section-';\n } else {\n prefix = '';\n }\n\n if (!options.rawPrefixHeaderId) {\n title = prefix + title;\n }\n\n if (options.ghCompatibleHeaderId) {\n title = title\n .replace(/ /g, '-')\n // replace previously escaped chars (&, ¨ and $)\n .replace(/&/g, '')\n .replace(/¨T/g, '')\n .replace(/¨D/g, '')\n // replace rest of the chars (&~$ are repeated as they might have been escaped)\n // borrowed from github's redcarpet (some they should produce similar results)\n .replace(/[&+$,\\/:;=?@\"#{}|^¨~\\[\\]`\\\\*)(%.!'<>]/g, '')\n .toLowerCase();\n } else if (options.rawHeaderId) {\n title = title\n .replace(/ /g, '-')\n // replace previously escaped chars (&, ¨ and $)\n .replace(/&/g, '&')\n .replace(/¨T/g, '¨')\n .replace(/¨D/g, '$')\n // replace \" and '\n .replace(/[\"']/g, '-')\n .toLowerCase();\n } else {\n title = title\n .replace(/[^\\w]/g, '')\n .toLowerCase();\n }\n\n if (options.rawPrefixHeaderId) {\n title = prefix + title;\n }\n\n if (globals.hashLinkCounts[title]) {\n title = title + '-' + (globals.hashLinkCounts[title]++);\n } else {\n globals.hashLinkCounts[title] = 1;\n }\n return title;\n }\n\n text = globals.converter._dispatch('headers.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Turn Markdown link shortcuts into XHTML <a> tags.\n */\nshowdown.subParser('horizontalRule', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('horizontalRule.before', text, options, globals);\n\n var key = showdown.subParser('hashBlock')('<hr />', options, globals);\n text = text.replace(/^ {0,2}( ?-){3,}[ \\t]*$/gm, key);\n text = text.replace(/^ {0,2}( ?\\*){3,}[ \\t]*$/gm, key);\n text = text.replace(/^ {0,2}( ?_){3,}[ \\t]*$/gm, key);\n\n text = globals.converter._dispatch('horizontalRule.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Turn Markdown image shortcuts into <img> tags.\n */\nshowdown.subParser('images', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('images.before', text, options, globals);\n\n var inlineRegExp = /!\\[([^\\]]*?)][ \\t]*()\\([ \\t]?<?([\\S]+?(?:\\([\\S]*?\\)[\\S]*?)?)>?(?: =([*\\d]+[A-Za-z%]{0,4})x([*\\d]+[A-Za-z%]{0,4}))?[ \\t]*(?:([\"'])([^\"]*?)\\6)?[ \\t]?\\)/g,\n crazyRegExp = /!\\[([^\\]]*?)][ \\t]*()\\([ \\t]?<([^>]*)>(?: =([*\\d]+[A-Za-z%]{0,4})x([*\\d]+[A-Za-z%]{0,4}))?[ \\t]*(?:(?:([\"'])([^\"]*?)\\6))?[ \\t]?\\)/g,\n base64RegExp = /!\\[([^\\]]*?)][ \\t]*()\\([ \\t]?<?(data:.+?\\/.+?;base64,[A-Za-z0-9+/=\\n]+?)>?(?: =([*\\d]+[A-Za-z%]{0,4})x([*\\d]+[A-Za-z%]{0,4}))?[ \\t]*(?:([\"'])([^\"]*?)\\6)?[ \\t]?\\)/g,\n referenceRegExp = /!\\[([^\\]]*?)] ?(?:\\n *)?\\[([\\s\\S]*?)]()()()()()/g,\n refShortcutRegExp = /!\\[([^\\[\\]]+)]()()()()()/g;\n\n function writeImageTagBase64 (wholeMatch, altText, linkId, url, width, height, m5, title) {\n url = url.replace(/\\s/g, '');\n return writeImageTag (wholeMatch, altText, linkId, url, width, height, m5, title);\n }\n\n function writeImageTag (wholeMatch, altText, linkId, url, width, height, m5, title) {\n\n var gUrls = globals.gUrls,\n gTitles = globals.gTitles,\n gDims = globals.gDimensions;\n\n linkId = linkId.toLowerCase();\n\n if (!title) {\n title = '';\n }\n // Special case for explicit empty url\n if (wholeMatch.search(/\\(<?\\s*>? ?(['\"].*['\"])?\\)$/m) > -1) {\n url = '';\n\n } else if (url === '' || url === null) {\n if (linkId === '' || linkId === null) {\n // lower-case and turn embedded newlines into spaces\n linkId = altText.toLowerCase().replace(/ ?\\n/g, ' ');\n }\n url = '#' + linkId;\n\n if (!showdown.helper.isUndefined(gUrls[linkId])) {\n url = gUrls[linkId];\n if (!showdown.helper.isUndefined(gTitles[linkId])) {\n title = gTitles[linkId];\n }\n if (!showdown.helper.isUndefined(gDims[linkId])) {\n width = gDims[linkId].width;\n height = gDims[linkId].height;\n }\n } else {\n return wholeMatch;\n }\n }\n\n altText = altText\n .replace(/\"/g, '"')\n //altText = showdown.helper.escapeCharacters(altText, '*_', false);\n .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n //url = showdown.helper.escapeCharacters(url, '*_', false);\n url = url.replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n var result = '<img src=\"' + url + '\" alt=\"' + altText + '\"';\n\n if (title) {\n title = title\n .replace(/\"/g, '"')\n //title = showdown.helper.escapeCharacters(title, '*_', false);\n .replace(showdown.helper.regexes.asteriskDashAndColon, showdown.helper.escapeCharactersCallback);\n result += ' title=\"' + title + '\"';\n }\n\n if (width && height) {\n width = (width === '*') ? 'auto' : width;\n height = (height === '*') ? 'auto' : height;\n\n result += ' width=\"' + width + '\"';\n result += ' height=\"' + height + '\"';\n }\n\n result += ' />';\n\n return result;\n }\n\n // First, handle reference-style labeled images: ![alt text][id]\n text = text.replace(referenceRegExp, writeImageTag);\n\n // Next, handle inline images: ![alt text](url =<width>x<height> \"optional title\")\n\n // base64 encoded images\n text = text.replace(base64RegExp, writeImageTagBase64);\n\n // cases with crazy urls like ./image/cat1).png\n text = text.replace(crazyRegExp, writeImageTag);\n\n // normal cases\n text = text.replace(inlineRegExp, writeImageTag);\n\n // handle reference-style shortcuts: ![img text]\n text = text.replace(refShortcutRegExp, writeImageTag);\n\n text = globals.converter._dispatch('images.after', text, options, globals);\n return text;\n});\n\r\nshowdown.subParser('italicsAndBold', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('italicsAndBold.before', text, options, globals);\n\n // it's faster to have 3 separate regexes for each case than have just one\n // because of backtracing, in some cases, it could lead to an exponential effect\n // called \"catastrophic backtrace\". Ominous!\n\n function parseInside (txt, left, right) {\n /*\n if (options.simplifiedAutoLink) {\n txt = showdown.subParser('simplifiedAutoLinks')(txt, options, globals);\n }\n */\n return left + txt + right;\n }\n\n // Parse underscores\n if (options.literalMidWordUnderscores) {\n text = text.replace(/\\b___(\\S[\\s\\S]*)___\\b/g, function (wm, txt) {\n return parseInside (txt, '<strong><em>', '</em></strong>');\n });\n text = text.replace(/\\b__(\\S[\\s\\S]*)__\\b/g, function (wm, txt) {\n return parseInside (txt, '<strong>', '</strong>');\n });\n text = text.replace(/\\b_(\\S[\\s\\S]*?)_\\b/g, function (wm, txt) {\n return parseInside (txt, '<em>', '</em>');\n });\n } else {\n text = text.replace(/___(\\S[\\s\\S]*?)___/g, function (wm, m) {\n return (/\\S$/.test(m)) ? parseInside (m, '<strong><em>', '</em></strong>') : wm;\n });\n text = text.replace(/__(\\S[\\s\\S]*?)__/g, function (wm, m) {\n return (/\\S$/.test(m)) ? parseInside (m, '<strong>', '</strong>') : wm;\n });\n text = text.replace(/_([^\\s_][\\s\\S]*?)_/g, function (wm, m) {\n // !/^_[^_]/.test(m) - test if it doesn't start with __ (since it seems redundant, we removed it)\n return (/\\S$/.test(m)) ? parseInside (m, '<em>', '</em>') : wm;\n });\n }\n\n // Now parse asterisks\n if (options.literalMidWordAsterisks) {\n text = text.replace(/([^*]|^)\\B\\*\\*\\*(\\S[\\s\\S]+?)\\*\\*\\*\\B(?!\\*)/g, function (wm, lead, txt) {\n return parseInside (txt, lead + '<strong><em>', '</em></strong>');\n });\n text = text.replace(/([^*]|^)\\B\\*\\*(\\S[\\s\\S]+?)\\*\\*\\B(?!\\*)/g, function (wm, lead, txt) {\n return parseInside (txt, lead + '<strong>', '</strong>');\n });\n text = text.replace(/([^*]|^)\\B\\*(\\S[\\s\\S]+?)\\*\\B(?!\\*)/g, function (wm, lead, txt) {\n return parseInside (txt, lead + '<em>', '</em>');\n });\n } else {\n text = text.replace(/\\*\\*\\*(\\S[\\s\\S]*?)\\*\\*\\*/g, function (wm, m) {\n return (/\\S$/.test(m)) ? parseInside (m, '<strong><em>', '</em></strong>') : wm;\n });\n text = text.replace(/\\*\\*(\\S[\\s\\S]*?)\\*\\*/g, function (wm, m) {\n return (/\\S$/.test(m)) ? parseInside (m, '<strong>', '</strong>') : wm;\n });\n text = text.replace(/\\*([^\\s*][\\s\\S]*?)\\*/g, function (wm, m) {\n // !/^\\*[^*]/.test(m) - test if it doesn't start with ** (since it seems redundant, we removed it)\n return (/\\S$/.test(m)) ? parseInside (m, '<em>', '</em>') : wm;\n });\n }\n\n\n text = globals.converter._dispatch('italicsAndBold.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Form HTML ordered (numbered) and unordered (bulleted) lists.\n */\nshowdown.subParser('lists', function (text, options, globals) {\n 'use strict';\n\n /**\n * Process the contents of a single ordered or unordered list, splitting it\n * into individual list items.\n * @param {string} listStr\n * @param {boolean} trimTrailing\n * @returns {string}\n */\n function processListItems (listStr, trimTrailing) {\n // The $g_list_level global keeps track of when we're inside a list.\n // Each time we enter a list, we increment it; when we leave a list,\n // we decrement. If it's zero, we're not in a list anymore.\n //\n // We do this because when we're not inside a list, we want to treat\n // something like this:\n //\n // I recommend upgrading to version\n // 8. Oops, now this line is treated\n // as a sub-list.\n //\n // As a single paragraph, despite the fact that the second line starts\n // with a digit-period-space sequence.\n //\n // Whereas when we're inside a list (or sub-list), that line will be\n // treated as the start of a sub-list. What a kludge, huh? This is\n // an aspect of Markdown's syntax that's hard to parse perfectly\n // without resorting to mind-reading. Perhaps the solution is to\n // change the syntax rules such that sub-lists must start with a\n // starting cardinal number; e.g. \"1.\" or \"a.\".\n globals.gListLevel++;\n\n // trim trailing blank lines:\n listStr = listStr.replace(/\\n{2,}$/, '\\n');\n\n // attacklab: add sentinel to emulate \\z\n listStr += '¨0';\n\n var rgx = /(\\n)?(^ {0,3})([*+-]|\\d+[.])[ \\t]+((\\[(x|X| )?])?[ \\t]*[^\\r]+?(\\n{1,2}))(?=\\n*(¨0| {0,3}([*+-]|\\d+[.])[ \\t]+))/gm,\n isParagraphed = (/\\n[ \\t]*\\n(?!¨0)/.test(listStr));\n\n // Since version 1.5, nesting sublists requires 4 spaces (or 1 tab) indentation,\n // which is a syntax breaking change\n // activating this option reverts to old behavior\n if (options.disableForced4SpacesIndentedSublists) {\n rgx = /(\\n)?(^ {0,3})([*+-]|\\d+[.])[ \\t]+((\\[(x|X| )?])?[ \\t]*[^\\r]+?(\\n{1,2}))(?=\\n*(¨0|\\2([*+-]|\\d+[.])[ \\t]+))/gm;\n }\n\n listStr = listStr.replace(rgx, function (wholeMatch, m1, m2, m3, m4, taskbtn, checked) {\n checked = (checked && checked.trim() !== '');\n\n var item = showdown.subParser('outdent')(m4, options, globals),\n bulletStyle = '';\n\n // Support for github tasklists\n if (taskbtn && options.tasklists) {\n bulletStyle = ' class=\"task-list-item\" style=\"list-style-type: none;\"';\n item = item.replace(/^[ \\t]*\\[(x|X| )?]/m, function () {\n var otp = '<input type=\"checkbox\" disabled style=\"margin: 0px 0.35em 0.25em -1.6em; vertical-align: middle;\"';\n if (checked) {\n otp += ' checked';\n }\n otp += '>';\n return otp;\n });\n }\n\n // ISSUE #312\n // This input: - - - a\n // causes trouble to the parser, since it interprets it as:\n // <ul><li><li><li>a</li></li></li></ul>\n // instead of:\n // <ul><li>- - a</li></ul>\n // So, to prevent it, we will put a marker (¨A)in the beginning of the line\n // Kind of hackish/monkey patching, but seems more effective than overcomplicating the list parser\n item = item.replace(/^([-*+]|\\d\\.)[ \\t]+[\\S\\n ]*/g, function (wm2) {\n return '¨A' + wm2;\n });\n\n // m1 - Leading line or\n // Has a double return (multi paragraph) or\n // Has sublist\n if (m1 || (item.search(/\\n{2,}/) > -1)) {\n item = showdown.subParser('githubCodeBlocks')(item, options, globals);\n item = showdown.subParser('blockGamut')(item, options, globals);\n } else {\n // Recursion for sub-lists:\n item = showdown.subParser('lists')(item, options, globals);\n item = item.replace(/\\n$/, ''); // chomp(item)\n item = showdown.subParser('hashHTMLBlocks')(item, options, globals);\n\n // Colapse double linebreaks\n item = item.replace(/\\n\\n+/g, '\\n\\n');\n if (isParagraphed) {\n item = showdown.subParser('paragraphs')(item, options, globals);\n } else {\n item = showdown.subParser('spanGamut')(item, options, globals);\n }\n }\n\n // now we need to remove the marker (¨A)\n item = item.replace('¨A', '');\n // we can finally wrap the line in list item tags\n item = '<li' + bulletStyle + '>' + item + '</li>\\n';\n\n return item;\n });\n\n // attacklab: strip sentinel\n listStr = listStr.replace(/¨0/g, '');\n\n globals.gListLevel--;\n\n if (trimTrailing) {\n listStr = listStr.replace(/\\s+$/, '');\n }\n\n return listStr;\n }\n\n function styleStartNumber (list, listType) {\n // check if ol and starts by a number different than 1\n if (listType === 'ol') {\n var res = list.match(/^ *(\\d+)\\./);\n if (res && res[1] !== '1') {\n return ' start=\"' + res[1] + '\"';\n }\n }\n return '';\n }\n\n /**\n * Check and parse consecutive lists (better fix for issue #142)\n * @param {string} list\n * @param {string} listType\n * @param {boolean} trimTrailing\n * @returns {string}\n */\n function parseConsecutiveLists (list, listType, trimTrailing) {\n // check if we caught 2 or more consecutive lists by mistake\n // we use the counterRgx, meaning if listType is UL we look for OL and vice versa\n var olRgx = (options.disableForced4SpacesIndentedSublists) ? /^ ?\\d+\\.[ \\t]/gm : /^ {0,3}\\d+\\.[ \\t]/gm,\n ulRgx = (options.disableForced4SpacesIndentedSublists) ? /^ ?[*+-][ \\t]/gm : /^ {0,3}[*+-][ \\t]/gm,\n counterRxg = (listType === 'ul') ? olRgx : ulRgx,\n result = '';\n\n if (list.search(counterRxg) !== -1) {\n (function parseCL (txt) {\n var pos = txt.search(counterRxg),\n style = styleStartNumber(list, listType);\n if (pos !== -1) {\n // slice\n result += '\\n\\n<' + listType + style + '>\\n' + processListItems(txt.slice(0, pos), !!trimTrailing) + '</' + listType + '>\\n';\n\n // invert counterType and listType\n listType = (listType === 'ul') ? 'ol' : 'ul';\n counterRxg = (listType === 'ul') ? olRgx : ulRgx;\n\n //recurse\n parseCL(txt.slice(pos));\n } else {\n result += '\\n\\n<' + listType + style + '>\\n' + processListItems(txt, !!trimTrailing) + '</' + listType + '>\\n';\n }\n })(list);\n } else {\n var style = styleStartNumber(list, listType);\n result = '\\n\\n<' + listType + style + '>\\n' + processListItems(list, !!trimTrailing) + '</' + listType + '>\\n';\n }\n\n return result;\n }\n\n /** Start of list parsing **/\n text = globals.converter._dispatch('lists.before', text, options, globals);\n // add sentinel to hack around khtml/safari bug:\n // http://bugs.webkit.org/show_bug.cgi?id=11231\n text += '¨0';\n\n if (globals.gListLevel) {\n text = text.replace(/^(( {0,3}([*+-]|\\d+[.])[ \\t]+)[^\\r]+?(¨0|\\n{2,}(?=\\S)(?![ \\t]*(?:[*+-]|\\d+[.])[ \\t]+)))/gm,\n function (wholeMatch, list, m2) {\n var listType = (m2.search(/[*+-]/g) > -1) ? 'ul' : 'ol';\n return parseConsecutiveLists(list, listType, true);\n }\n );\n } else {\n text = text.replace(/(\\n\\n|^\\n?)(( {0,3}([*+-]|\\d+[.])[ \\t]+)[^\\r]+?(¨0|\\n{2,}(?=\\S)(?![ \\t]*(?:[*+-]|\\d+[.])[ \\t]+)))/gm,\n function (wholeMatch, m1, list, m3) {\n var listType = (m3.search(/[*+-]/g) > -1) ? 'ul' : 'ol';\n return parseConsecutiveLists(list, listType, false);\n }\n );\n }\n\n // strip sentinel\n text = text.replace(/¨0/, '');\n text = globals.converter._dispatch('lists.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Parse metadata at the top of the document\n */\nshowdown.subParser('metadata', function (text, options, globals) {\n 'use strict';\n\n if (!options.metadata) {\n return text;\n }\n\n text = globals.converter._dispatch('metadata.before', text, options, globals);\n\n function parseMetadataContents (content) {\n // raw is raw so it's not changed in any way\n globals.metadata.raw = content;\n\n // escape chars forbidden in html attributes\n // double quotes\n content = content\n // ampersand first\n .replace(/&/g, '&')\n // double quotes\n .replace(/\"/g, '"');\n\n content = content.replace(/\\n {4}/g, ' ');\n content.replace(/^([\\S ]+): +([\\s\\S]+?)$/gm, function (wm, key, value) {\n globals.metadata.parsed[key] = value;\n return '';\n });\n }\n\n text = text.replace(/^\\s*«««+(\\S*?)\\n([\\s\\S]+?)\\n»»»+\\n/, function (wholematch, format, content) {\n parseMetadataContents(content);\n return '¨M';\n });\n\n text = text.replace(/^\\s*---+(\\S*?)\\n([\\s\\S]+?)\\n---+\\n/, function (wholematch, format, content) {\n if (format) {\n globals.metadata.format = format;\n }\n parseMetadataContents(content);\n return '¨M';\n });\n\n text = text.replace(/¨M/g, '');\n\n text = globals.converter._dispatch('metadata.after', text, options, globals);\n return text;\n});\n\r\n/**\n * Remove one level of line-leading tabs or spaces\n */\nshowdown.subParser('outdent', function (text, options, globals) {\n 'use strict';\n text = globals.converter._dispatch('outdent.before', text, options, globals);\n\n // attacklab: hack around Konqueror 3.5.4 bug:\n // \"----------bug\".replace(/^-/g,\"\") == \"bug\"\n text = text.replace(/^(\\t|[ ]{1,4})/gm, '¨0'); // attacklab: g_tab_width\n\n // attacklab: clean up hack\n text = text.replace(/¨0/g, '');\n\n text = globals.converter._dispatch('outdent.after', text, options, globals);\n return text;\n});\n\r\n/**\n *\n */\nshowdown.subParser('paragraphs', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('paragraphs.before', text, options, globals);\n // Strip leading and trailing lines:\n text = text.replace(/^\\n+/g, '');\n text = text.replace(/\\n+$/g, '');\n\n var grafs = text.split(/\\n{2,}/g),\n grafsOut = [],\n end = grafs.length; // Wrap <p> tags\n\n for (var i = 0; i < end; i++) {\n var str = grafs[i];\n // if this is an HTML marker, copy it\n if (str.search(/¨(K|G)(\\d+)\\1/g) >= 0) {\n grafsOut.push(str);\n\n // test for presence of characters to prevent empty lines being parsed\n // as paragraphs (resulting in undesired extra empty paragraphs)\n } else if (str.search(/\\S/) >= 0) {\n str = showdown.subParser('spanGamut')(str, options, globals);\n str = str.replace(/^([ \\t]*)/g, '<p>');\n str += '</p>';\n grafsOut.push(str);\n }\n }\n\n /** Unhashify HTML blocks */\n end = grafsOut.length;\n for (i = 0; i < end; i++) {\n var blockText = '',\n grafsOutIt = grafsOut[i],\n codeFlag = false;\n // if this is a marker for an html block...\n // use RegExp.test instead of string.search because of QML bug\n while (/¨(K|G)(\\d+)\\1/.test(grafsOutIt)) {\n var delim = RegExp.$1,\n num = RegExp.$2;\n\n if (delim === 'K') {\n blockText = globals.gHtmlBlocks[num];\n } else {\n // we need to check if ghBlock is a false positive\n if (codeFlag) {\n // use encoded version of all text\n blockText = showdown.subParser('encodeCode')(globals.ghCodeBlocks[num].text, options, globals);\n } else {\n blockText = globals.ghCodeBlocks[num].codeblock;\n }\n }\n blockText = blockText.replace(/\\$/g, '$$$$'); // Escape any dollar signs\n\n grafsOutIt = grafsOutIt.replace(/(\\n\\n)?¨(K|G)\\d+\\2(\\n\\n)?/, blockText);\n // Check if grafsOutIt is a pre->code\n if (/^<pre\\b[^>]*>\\s*<code\\b[^>]*>/.test(grafsOutIt)) {\n codeFlag = true;\n }\n }\n grafsOut[i] = grafsOutIt;\n }\n text = grafsOut.join('\\n');\n // Strip leading and trailing lines:\n text = text.replace(/^\\n+/g, '');\n text = text.replace(/\\n+$/g, '');\n return globals.converter._dispatch('paragraphs.after', text, options, globals);\n});\n\r\n/**\n * Run extension\n */\nshowdown.subParser('runExtension', function (ext, text, options, globals) {\n 'use strict';\n\n if (ext.filter) {\n text = ext.filter(text, globals.converter, options);\n\n } else if (ext.regex) {\n // TODO remove this when old extension loading mechanism is deprecated\n var re = ext.regex;\n if (!(re instanceof RegExp)) {\n re = new RegExp(re, 'g');\n }\n text = text.replace(re, ext.replace);\n }\n\n return text;\n});\n\r\n/**\n * These are all the transformations that occur *within* block-level\n * tags like paragraphs, headers, and list items.\n */\nshowdown.subParser('spanGamut', function (text, options, globals) {\n 'use strict';\n\n text = globals.converter._dispatch('spanGamut.before', text, options, globals);\n text = showdown.subParser('codeSpans')(text, options, globals);\n text = showdown.subParser('escapeSpecialCharsWithinTagAttributes')(text, options, globals);\n text = showdown.subParser('encodeBackslashEscapes')(text, options, globals);\n\n // Process anchor and image tags. Images must come first,\n // because ![foo][f] looks like an anchor.\n text = showdown.subParser('images')(text, options, globals);\n text = showdown.subParser('anchors')(text, options, globals);\n\n // Make links out of things like `<http://example.com/>`\n // Must come after anchors, because you can use < and >\n // delimiters in inline links like [this](<url>).\n text = showdown.subParser('autoLinks')(text, options, globals);\n text = showdown.subParser('simplifiedAutoLinks')(text, options, globals);\n text = showdown.subParser('emoji')(text, options, globals);\n text = showdown.subParser('underline')(text, options, globals);\n text = showdown.subParser('italicsAndBold')(text, options, globals);\n text = showdown.subParser('strikethrough')(text, options, globals);\n text = showdown.subParser('ellipsis')(text, options, globals);\n\n // we need to hash HTML tags inside spans\n text = showdown.subParser('hashHTMLSpans')(text, options, globals);\n\n // now we encode amps and angles\n text = showdown.subParser('encodeAmpsAndAngles')(text, options, globals);\n\n // Do hard breaks\n if (options.simpleLineBreaks) {\n // GFM style hard breaks\n // only add line breaks if the text does not contain a block (special case for lists)\n if (!/\\n\\n¨K/.test(text)) {\n text = text.replace(/\\n+/g, '<br />\\n');\n }\n } else {\n // Vanilla hard breaks\n text = text.replace(/ +\\n/g, '<br />\\n');\n }\n\n text = globals.converter._dispatch('spanGamut.after', text, options, globals);\n return text;\n});\n\r\nshowdown.subParser('strikethrough', function (text, options, globals) {\n 'use strict';\n\n function parseInside (txt) {\n if (options.simplifiedAutoLink) {\n txt = showdown.subParser('simplifiedAutoLinks')(txt, options, globals);\n }\n return '<del>' + txt + '</del>';\n }\n\n if (options.strikethrough) {\n text = globals.converter._dispatch('strikethrough.before', text, options, globals);\n text = text.replace(/(?:~){2}([\\s\\S]+?)(?:~){2}/g, function (wm, txt) { return parseInside(txt); });\n text = globals.converter._dispatch('strikethrough.after', text, options, globals);\n }\n\n return text;\n});\n\r\n/**\n * Strips link definitions from text, stores the URLs and titles in\n * hash references.\n * Link defs are in the form: ^[id]: url \"optional title\"\n */\nshowdown.subParser('stripLinkDefinitions', function (text, options, globals) {\n 'use strict';\n\n var regex = /^ {0,3}\\[(.+)]:[ \\t]*\\n?[ \\t]*<?([^>\\s]+)>?(?: =([*\\d]+[A-Za-z%]{0,4})x([*\\d]+[A-Za-z%]{0,4}))?[ \\t]*\\n?[ \\t]*(?:(\\n*)[\"|'(](.+?)[\"|')][ \\t]*)?(?:\\n+|(?=¨0))/gm,\n base64Regex = /^ {0,3}\\[(.+)]:[ \\t]*\\n?[ \\t]*<?(data:.+?\\/.+?;base64,[A-Za-z0-9+/=\\n]+?)>?(?: =([*\\d]+[A-Za-z%]{0,4})x([*\\d]+[A-Za-z%]{0,4}))?[ \\t]*\\n?[ \\t]*(?:(\\n*)[\"|'(](.+?)[\"|')][ \\t]*)?(?:\\n\\n|(?=¨0)|(?=\\n\\[))/gm;\n\n // attacklab: sentinel workarounds for lack of \\A and \\Z, safari\\khtml bug\n text += '¨0';\n\n var replaceFunc = function (wholeMatch, linkId, url, width, height, blankLines, title) {\n linkId = linkId.toLowerCase();\n if (url.match(/^data:.+?\\/.+?;base64,/)) {\n // remove newlines\n globals.gUrls[linkId] = url.replace(/\\s/g, '');\n } else {\n globals.gUrls[linkId] = showdown.subParser('encodeAmpsAndAngles')(url, options, globals); // Link IDs are case-insensitive\n }\n\n if (blankLines) {\n // Oops, found blank lines, so it's not a title.\n // Put back the parenthetical statement we stole.\n return blankLines + title;\n\n } else {\n if (title) {\n globals.gTitles[linkId] = title.replace(/\"|'/g, '"');\n }\n if (options.parseImgDimensions && width && height) {\n globals.gDimensions[linkId] = {\n width: width,\n height: height\n };\n }\n }\n // Completely remove the definition from the text\n return '';\n };\n\n // first we try to find base64 link references\n text = text.replace(base64Regex, replaceFunc);\n\n text = text.replace(regex, replaceFunc);\n\n // attacklab: strip sentinel\n text = text.replace(/¨0/, '');\n\n return text;\n});\n\r\nshowdown.subParser('tables', function (text, options, globals) {\n 'use strict';\n\n if (!options.tables) {\n return text;\n }\n\n var tableRgx = /^ {0,3}\\|?.+\\|.+\\n {0,3}\\|?[ \\t]*:?[ \\t]*(?:[-=]){2,}[ \\t]*:?[ \\t]*\\|[ \\t]*:?[ \\t]*(?:[-=]){2,}[\\s\\S]+?(?:\\n\\n|¨0)/gm,\n //singeColTblRgx = /^ {0,3}\\|.+\\|\\n {0,3}\\|[ \\t]*:?[ \\t]*(?:[-=]){2,}[ \\t]*:?[ \\t]*\\|[ \\t]*\\n(?: {0,3}\\|.+\\|\\n)+(?:\\n\\n|¨0)/gm;\n singeColTblRgx = /^ {0,3}\\|.+\\|[ \\t]*\\n {0,3}\\|[ \\t]*:?[ \\t]*(?:[-=]){2,}[ \\t]*:?[ \\t]*\\|[ \\t]*\\n( {0,3}\\|.+\\|[ \\t]*\\n)*(?:\\n|¨0)/gm;\n\n function parseStyles (sLine) {\n if (/^:[ \\t]*--*$/.test(sLine)) {\n return ' style=\"text-align:left;\"';\n } else if (/^--*[ \\t]*:[ \\t]*$/.test(sLine)) {\n return ' style=\"text-align:right;\"';\n } else if (/^:[ \\t]*--*[ \\t]*:$/.test(sLine)) {\n return ' style=\"text-align:center;\"';\n } else {\n return '';\n }\n }\n\n function parseHeaders (header, style) {\n var id = '';\n header = header.trim();\n // support both tablesHeaderId and tableHeaderId due to error in documentation so we don't break backwards compatibility\n if (options.tablesHeaderId || options.tableHeaderId) {\n id = ' id=\"' + header.replace(/ /g, '_').toLowerCase() + '\"';\n }\n header = showdown.subParser('spanGamut')(header, options, globals);\n\n return '<th' + id + style + '>' + header + '</th>\\n';\n }\n\n function parseCells (cell, style) {\n var subText = showdown.subParser('spanGamut')(cell, options, globals);\n return '<td' + style + '>' + subText + '</td>\\n';\n }\n\n function buildTable (headers, cells) {\n var tb = '<table>\\n<thead>\\n<tr>\\n',\n tblLgn = headers.length;\n\n for (var i = 0; i < tblLgn; ++i) {\n tb += headers[i];\n }\n tb += '</tr>\\n</thead>\\n<tbody>\\n';\n\n for (i = 0; i < cells.length; ++i) {\n tb += '<tr>\\n';\n for (var ii = 0; ii < tblLgn; ++ii) {\n tb += cells[i][ii];\n }\n tb += '</tr>\\n';\n }\n tb += '</tbody>\\n</table>\\n';\n return tb;\n }\n\n function parseTable (rawTable) {\n var i, tableLines = rawTable.split('\\n');\n\n for (i = 0; i < tableLines.length; ++i) {\n // strip wrong first and last column if wrapped tables are used\n if (/^ {0,3}\\|/.test(tableLines[i])) {\n tableLines[i] = tableLines[i].replace(/^ {0,3}\\|/, '');\n }\n if (/\\|[ \\t]*$/.test(tableLines[i])) {\n tableLines[i] = tableLines[i].replace(/\\|[ \\t]*$/, '');\n }\n // parse code spans first, but we only support one line code spans\n tableLines[i] = showdown.subParser('codeSpans')(tableLines[i], options, globals);\n }\n\n var rawHeaders = tableLines[0].split('|').map(function (s) { return s.trim();}),\n rawStyles = tableLines[1].split('|').map(function (s) { return s.trim();}),\n rawCells = [],\n headers = [],\n styles = [],\n cells = [];\n\n tableLines.shift();\n tableLines.shift();\n\n for (i = 0; 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Does not work with strict CommonJS, but\n // only CommonJS-like environments that support module.exports,\n // like Node.\n module.exports = factory();\n } else {\n // Browser globals (root is window)\n root.returnExports = factory();\n }\n}(this, function () {\n 'use strict';\n\n var _apply = Function.call.bind(Function.apply);\n var _call = Function.call.bind(Function.call);\n var isArray = Array.isArray;\n var keys = Object.keys;\n\n var not = function notThunker(func) {\n return function notThunk() {\n return !_apply(func, this, arguments);\n };\n };\n var throwsError = function (func) {\n try {\n func();\n return false;\n } catch (e) {\n return true;\n }\n };\n var valueOrFalseIfThrows = function valueOrFalseIfThrows(func) {\n try {\n return func();\n } catch (e) {\n return false;\n }\n };\n\n var isCallableWithoutNew = not(throwsError);\n var arePropertyDescriptorsSupported = function () {\n // if Object.defineProperty exists but throws, it's IE 8\n return !throwsError(function () {\n Object.defineProperty({}, 'x', { get: function () {} });\n });\n };\n var supportsDescriptors = !!Object.defineProperty && arePropertyDescriptorsSupported();\n var functionsHaveNames = (function foo() {}).name === 'foo'; // eslint-disable-line no-extra-parens\n\n var _forEach = Function.call.bind(Array.prototype.forEach);\n var _reduce = Function.call.bind(Array.prototype.reduce);\n var _filter = Function.call.bind(Array.prototype.filter);\n var _some = Function.call.bind(Array.prototype.some);\n\n var defineProperty = function (object, name, value, force) {\n if (!force && name in object) { return; }\n if (supportsDescriptors) {\n Object.defineProperty(object, name, {\n configurable: true,\n enumerable: false,\n writable: true,\n value: value\n });\n } else {\n object[name] = value;\n }\n };\n\n // Define configurable, writable and non-enumerable props\n // if they don’t exist.\n var defineProperties = function (object, map, forceOverride) {\n _forEach(keys(map), function (name) {\n var method = map[name];\n defineProperty(object, name, method, !!forceOverride);\n });\n };\n\n var _toString = Function.call.bind(Object.prototype.toString);\n var isCallable = typeof /abc/ === 'function' ? function IsCallableSlow(x) {\n // Some old browsers (IE, FF) say that typeof /abc/ === 'function'\n return typeof x === 'function' && _toString(x) === '[object Function]';\n } : function IsCallableFast(x) { return typeof x === 'function'; };\n\n var Value = {\n getter: function (object, name, getter) {\n if (!supportsDescriptors) {\n throw new TypeError('getters require true ES5 support');\n }\n Object.defineProperty(object, name, {\n configurable: true,\n enumerable: false,\n get: getter\n });\n },\n proxy: function (originalObject, key, targetObject) {\n if (!supportsDescriptors) {\n throw new TypeError('getters require true ES5 support');\n }\n var originalDescriptor = Object.getOwnPropertyDescriptor(originalObject, key);\n Object.defineProperty(targetObject, key, {\n configurable: originalDescriptor.configurable,\n enumerable: originalDescriptor.enumerable,\n get: function getKey() { return originalObject[key]; },\n set: function setKey(value) { originalObject[key] = value; }\n });\n },\n redefine: function (object, property, newValue) {\n if (supportsDescriptors) {\n var descriptor = Object.getOwnPropertyDescriptor(object, property);\n descriptor.value = newValue;\n Object.defineProperty(object, property, descriptor);\n } else {\n object[property] = newValue;\n }\n },\n defineByDescriptor: function (object, property, descriptor) {\n if (supportsDescriptors) {\n Object.defineProperty(object, property, descriptor);\n } else if ('value' in descriptor) {\n object[property] = descriptor.value;\n }\n },\n preserveToString: function (target, source) {\n if (source && isCallable(source.toString)) {\n defineProperty(target, 'toString', source.toString.bind(source), true);\n }\n }\n };\n\n // Simple shim for Object.create on ES3 browsers\n // (unlike real shim, no attempt to support `prototype === null`)\n var create = Object.create || function (prototype, properties) {\n var Prototype = function Prototype() {};\n Prototype.prototype = prototype;\n var object = new Prototype();\n if (typeof properties !== 'undefined') {\n keys(properties).forEach(function (key) {\n Value.defineByDescriptor(object, key, properties[key]);\n });\n }\n return object;\n };\n\n var supportsSubclassing = function (C, f) {\n if (!Object.setPrototypeOf) { return false; /* skip test on IE < 11 */ }\n return valueOrFalseIfThrows(function () {\n var Sub = function Subclass(arg) {\n var o = new C(arg);\n Object.setPrototypeOf(o, Subclass.prototype);\n return o;\n };\n Object.setPrototypeOf(Sub, C);\n Sub.prototype = create(C.prototype, {\n constructor: { value: Sub }\n });\n return f(Sub);\n });\n };\n\n var getGlobal = function () {\n /* global self, window, global */\n // the only reliable means to get the global object is\n // `Function('return this')()`\n // However, this causes CSP violations in Chrome apps.\n if (typeof self !== 'undefined') { return self; }\n if (typeof window !== 'undefined') { return window; }\n if (typeof global !== 'undefined') { return global; }\n throw new Error('unable to locate global object');\n };\n\n var globals = getGlobal();\n var globalIsFinite = globals.isFinite;\n var _indexOf = Function.call.bind(String.prototype.indexOf);\n var _arrayIndexOfApply = Function.apply.bind(Array.prototype.indexOf);\n var _concat = Function.call.bind(Array.prototype.concat);\n // var _sort = Function.call.bind(Array.prototype.sort);\n var _strSlice = Function.call.bind(String.prototype.slice);\n var _push = Function.call.bind(Array.prototype.push);\n var _pushApply = Function.apply.bind(Array.prototype.push);\n var _shift = Function.call.bind(Array.prototype.shift);\n var _max = Math.max;\n var _min = Math.min;\n var _floor = Math.floor;\n var _abs = Math.abs;\n var _exp = Math.exp;\n var _log = Math.log;\n var _sqrt = Math.sqrt;\n var _hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty);\n var ArrayIterator; // make our implementation private\n var noop = function () {};\n\n var OrigMap = globals.Map;\n var origMapDelete = OrigMap && OrigMap.prototype['delete'];\n var origMapGet = OrigMap && OrigMap.prototype.get;\n var origMapHas = OrigMap && OrigMap.prototype.has;\n var origMapSet = OrigMap && OrigMap.prototype.set;\n\n var Symbol = globals.Symbol || {};\n var symbolSpecies = Symbol.species || '@@species';\n\n var numberIsNaN = Number.isNaN || function isNaN(value) {\n // NaN !== NaN, but they are identical.\n // NaNs are the only non-reflexive value, i.e., if x !== x,\n // then x is NaN.\n // isNaN is broken: it converts its argument to number, so\n // isNaN('foo') => true\n return value !== value;\n };\n var numberIsFinite = Number.isFinite || function isFinite(value) {\n return typeof value === 'number' && globalIsFinite(value);\n };\n var _sign = isCallable(Math.sign) ? Math.sign : function sign(value) {\n var number = Number(value);\n if (number === 0) { return number; }\n if (numberIsNaN(number)) { return number; }\n return number < 0 ? -1 : 1;\n };\n\n // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js\n // can be replaced with require('is-arguments') if we ever use a build process instead\n var isStandardArguments = function isArguments(value) {\n return _toString(value) === '[object Arguments]';\n };\n var isLegacyArguments = function isArguments(value) {\n return value !== null &&\n typeof value === 'object' &&\n typeof value.length === 'number' &&\n value.length >= 0 &&\n _toString(value) !== '[object Array]' &&\n _toString(value.callee) === '[object Function]';\n };\n var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments;\n\n var Type = {\n primitive: function (x) { return x === null || (typeof x !== 'function' && typeof x !== 'object'); },\n string: function (x) { return _toString(x) === '[object String]'; },\n regex: function (x) { return _toString(x) === '[object RegExp]'; },\n symbol: function (x) {\n return typeof globals.Symbol === 'function' && typeof x === 'symbol';\n }\n };\n\n var overrideNative = function overrideNative(object, property, replacement) {\n var original = object[property];\n defineProperty(object, property, replacement, true);\n Value.preserveToString(object[property], original);\n };\n\n // eslint-disable-next-line no-restricted-properties\n var hasSymbols = typeof Symbol === 'function' && typeof Symbol['for'] === 'function' && Type.symbol(Symbol());\n\n // This is a private name in the es6 spec, equal to '[Symbol.iterator]'\n // we're going to use an arbitrary _-prefixed name to make our shims\n // work properly with each other, even though we don't have full Iterator\n // support. That is, `Array.from(map.keys())` will work, but we don't\n // pretend to export a \"real\" Iterator interface.\n var $iterator$ = Type.symbol(Symbol.iterator) ? Symbol.iterator : '_es6-shim iterator_';\n // Firefox ships a partial implementation using the name @@iterator.\n // https://bugzilla.mozilla.org/show_bug.cgi?id=907077#c14\n // So use that name if we detect it.\n if (globals.Set && typeof new globals.Set()['@@iterator'] === 'function') {\n $iterator$ = '@@iterator';\n }\n\n // Reflect\n if (!globals.Reflect) {\n defineProperty(globals, 'Reflect', {}, true);\n }\n var Reflect = globals.Reflect;\n\n var $String = String;\n\n /* global document */\n var domAll = (typeof document === 'undefined' || !document) ? null : document.all;\n /* jshint eqnull:true */\n var isNullOrUndefined = domAll == null ? function isNullOrUndefined(x) {\n /* jshint eqnull:true */\n return x == null;\n } : function isNullOrUndefinedAndNotDocumentAll(x) {\n /* jshint eqnull:true */\n return x == null && x !== domAll;\n };\n\n var ES = {\n // http://www.ecma-international.org/ecma-262/6.0/#sec-call\n Call: function Call(F, V) {\n var args = arguments.length > 2 ? arguments[2] : [];\n if (!ES.IsCallable(F)) {\n throw new TypeError(F + ' is not a function');\n }\n return _apply(F, V, args);\n },\n\n RequireObjectCoercible: function (x, optMessage) {\n if (isNullOrUndefined(x)) {\n throw new TypeError(optMessage || 'Cannot call method on ' + x);\n }\n return x;\n },\n\n // This might miss the \"(non-standard exotic and does not implement\n // [[Call]])\" case from\n // http://www.ecma-international.org/ecma-262/6.0/#sec-typeof-operator-runtime-semantics-evaluation\n // but we can't find any evidence these objects exist in practice.\n // If we find some in the future, you could test `Object(x) === x`,\n // which is reliable according to\n // http://www.ecma-international.org/ecma-262/6.0/#sec-toobject\n // but is not well optimized by runtimes and creates an object\n // whenever it returns false, and thus is very slow.\n TypeIsObject: function (x) {\n if (x === void 0 || x === null || x === true || x === false) {\n return false;\n }\n return typeof x === 'function' || typeof x === 'object' || x === domAll;\n },\n\n ToObject: function (o, optMessage) {\n return Object(ES.RequireObjectCoercible(o, optMessage));\n },\n\n IsCallable: isCallable,\n\n IsConstructor: function (x) {\n // We can't tell callables from constructors in ES5\n return ES.IsCallable(x);\n },\n\n ToInt32: function (x) {\n return ES.ToNumber(x) >> 0;\n },\n\n ToUint32: function (x) {\n return ES.ToNumber(x) >>> 0;\n },\n\n ToNumber: function (value) {\n if (_toString(value) === '[object Symbol]') {\n throw new TypeError('Cannot convert a Symbol value to a number');\n }\n return +value;\n },\n\n ToInteger: function (value) {\n var number = ES.ToNumber(value);\n if (numberIsNaN(number)) { return 0; }\n if (number === 0 || !numberIsFinite(number)) { return number; }\n return (number > 0 ? 1 : -1) * _floor(_abs(number));\n },\n\n ToLength: function (value) {\n var len = ES.ToInteger(value);\n if (len <= 0) { return 0; } // includes converting -0 to +0\n if (len > Number.MAX_SAFE_INTEGER) { return Number.MAX_SAFE_INTEGER; }\n return len;\n },\n\n SameValue: function (a, b) {\n if (a === b) {\n // 0 === -0, but they are not identical.\n if (a === 0) { return 1 / a === 1 / b; }\n return true;\n }\n return numberIsNaN(a) && numberIsNaN(b);\n },\n\n SameValueZero: function (a, b) {\n // same as SameValue except for SameValueZero(+0, -0) == true\n return (a === b) || (numberIsNaN(a) && numberIsNaN(b));\n },\n\n IsIterable: function (o) {\n return ES.TypeIsObject(o) && (typeof o[$iterator$] !== 'undefined' || isArguments(o));\n },\n\n GetIterator: function (o) {\n if (isArguments(o)) {\n // special case support for `arguments`\n return new ArrayIterator(o, 'value');\n }\n var itFn = ES.GetMethod(o, $iterator$);\n if (!ES.IsCallable(itFn)) {\n // Better diagnostics if itFn is null or undefined\n throw new TypeError('value is not an iterable');\n }\n var it = ES.Call(itFn, o);\n if (!ES.TypeIsObject(it)) {\n throw new TypeError('bad iterator');\n }\n return it;\n },\n\n GetMethod: function (o, p) {\n var func = ES.ToObject(o)[p];\n if (isNullOrUndefined(func)) {\n return void 0;\n }\n if (!ES.IsCallable(func)) {\n throw new TypeError('Method not callable: ' + p);\n }\n return func;\n },\n\n IteratorComplete: function (iterResult) {\n return !!iterResult.done;\n },\n\n IteratorClose: function (iterator, completionIsThrow) {\n var returnMethod = ES.GetMethod(iterator, 'return');\n if (returnMethod === void 0) {\n return;\n }\n var innerResult, innerException;\n try {\n innerResult = ES.Call(returnMethod, iterator);\n } catch (e) {\n innerException = e;\n }\n if (completionIsThrow) {\n return;\n }\n if (innerException) {\n throw innerException;\n }\n if (!ES.TypeIsObject(innerResult)) {\n throw new TypeError(\"Iterator's return method returned a non-object.\");\n }\n },\n\n IteratorNext: function (it) {\n var result = arguments.length > 1 ? it.next(arguments[1]) : it.next();\n if (!ES.TypeIsObject(result)) {\n throw new TypeError('bad iterator');\n }\n return result;\n },\n\n IteratorStep: function (it) {\n var result = ES.IteratorNext(it);\n var done = ES.IteratorComplete(result);\n return done ? false : result;\n },\n\n Construct: function (C, args, newTarget, isES6internal) {\n var target = typeof newTarget === 'undefined' ? C : newTarget;\n\n if (!isES6internal && Reflect.construct) {\n // Try to use Reflect.construct if available\n return Reflect.construct(C, args, target);\n }\n // OK, we have to fake it. This will only work if the\n // C.[[ConstructorKind]] == \"base\" -- but that's the only\n // kind we can make in ES5 code anyway.\n\n // OrdinaryCreateFromConstructor(target, \"%ObjectPrototype%\")\n var proto = target.prototype;\n if (!ES.TypeIsObject(proto)) {\n proto = Object.prototype;\n }\n var obj = create(proto);\n // Call the constructor.\n var result = ES.Call(C, obj, args);\n return ES.TypeIsObject(result) ? result : obj;\n },\n\n SpeciesConstructor: function (O, defaultConstructor) {\n var C = O.constructor;\n if (C === void 0) {\n return defaultConstructor;\n }\n if (!ES.TypeIsObject(C)) {\n throw new TypeError('Bad constructor');\n }\n var S = C[symbolSpecies];\n if (isNullOrUndefined(S)) {\n return defaultConstructor;\n }\n if (!ES.IsConstructor(S)) {\n throw new TypeError('Bad @@species');\n }\n return S;\n },\n\n CreateHTML: function (string, tag, attribute, value) {\n var S = ES.ToString(string);\n var p1 = '<' + tag;\n if (attribute !== '') {\n var V = ES.ToString(value);\n var escapedV = V.replace(/\"/g, '"');\n p1 += ' ' + attribute + '=\"' + escapedV + '\"';\n }\n var p2 = p1 + '>';\n var p3 = p2 + S;\n return p3 + '</' + tag + '>';\n },\n\n IsRegExp: function IsRegExp(argument) {\n if (!ES.TypeIsObject(argument)) {\n return false;\n }\n var isRegExp = argument[Symbol.match];\n if (typeof isRegExp !== 'undefined') {\n return !!isRegExp;\n }\n return Type.regex(argument);\n },\n\n ToString: function ToString(string) {\n return $String(string);\n }\n };\n\n // Well-known Symbol shims\n if (supportsDescriptors && hasSymbols) {\n var defineWellKnownSymbol = function defineWellKnownSymbol(name) {\n if (Type.symbol(Symbol[name])) {\n return Symbol[name];\n }\n // eslint-disable-next-line no-restricted-properties\n var sym = Symbol['for']('Symbol.' + name);\n Object.defineProperty(Symbol, name, {\n configurable: false,\n enumerable: false,\n writable: false,\n value: sym\n });\n return sym;\n };\n if (!Type.symbol(Symbol.search)) {\n var symbolSearch = defineWellKnownSymbol('search');\n var originalSearch = String.prototype.search;\n defineProperty(RegExp.prototype, symbolSearch, function search(string) {\n return ES.Call(originalSearch, string, [this]);\n });\n var searchShim = function search(regexp) {\n var O = ES.RequireObjectCoercible(this);\n if (!isNullOrUndefined(regexp)) {\n var searcher = ES.GetMethod(regexp, symbolSearch);\n if (typeof searcher !== 'undefined') {\n return ES.Call(searcher, regexp, [O]);\n }\n }\n return ES.Call(originalSearch, O, [ES.ToString(regexp)]);\n };\n overrideNative(String.prototype, 'search', searchShim);\n }\n if (!Type.symbol(Symbol.replace)) {\n var symbolReplace = defineWellKnownSymbol('replace');\n var originalReplace = String.prototype.replace;\n defineProperty(RegExp.prototype, symbolReplace, function replace(string, replaceValue) {\n return ES.Call(originalReplace, string, [this, replaceValue]);\n });\n var replaceShim = function replace(searchValue, replaceValue) {\n var O = ES.RequireObjectCoercible(this);\n if (!isNullOrUndefined(searchValue)) {\n var replacer = ES.GetMethod(searchValue, symbolReplace);\n if (typeof replacer !== 'undefined') {\n return ES.Call(replacer, searchValue, [O, replaceValue]);\n }\n }\n return ES.Call(originalReplace, O, [ES.ToString(searchValue), replaceValue]);\n };\n overrideNative(String.prototype, 'replace', replaceShim);\n }\n if (!Type.symbol(Symbol.split)) {\n var symbolSplit = defineWellKnownSymbol('split');\n var originalSplit = String.prototype.split;\n defineProperty(RegExp.prototype, symbolSplit, function split(string, limit) {\n return ES.Call(originalSplit, string, [this, limit]);\n });\n var splitShim = function split(separator, limit) {\n var O = ES.RequireObjectCoercible(this);\n if (!isNullOrUndefined(separator)) {\n var splitter = ES.GetMethod(separator, symbolSplit);\n if (typeof splitter !== 'undefined') {\n return ES.Call(splitter, separator, [O, limit]);\n }\n }\n return ES.Call(originalSplit, O, [ES.ToString(separator), limit]);\n };\n overrideNative(String.prototype, 'split', splitShim);\n }\n var symbolMatchExists = Type.symbol(Symbol.match);\n var stringMatchIgnoresSymbolMatch = symbolMatchExists && (function () {\n // Firefox 41, through Nightly 45 has Symbol.match, but String#match ignores it.\n // Firefox 40 and below have Symbol.match but String#match works fine.\n var o = {};\n o[Symbol.match] = function () { return 42; };\n return 'a'.match(o) !== 42;\n }());\n if (!symbolMatchExists || stringMatchIgnoresSymbolMatch) {\n var symbolMatch = defineWellKnownSymbol('match');\n\n var originalMatch = String.prototype.match;\n defineProperty(RegExp.prototype, symbolMatch, function match(string) {\n return ES.Call(originalMatch, string, [this]);\n });\n\n var matchShim = function match(regexp) {\n var O = ES.RequireObjectCoercible(this);\n if (!isNullOrUndefined(regexp)) {\n var matcher = ES.GetMethod(regexp, symbolMatch);\n if (typeof matcher !== 'undefined') {\n return ES.Call(matcher, regexp, [O]);\n }\n }\n return ES.Call(originalMatch, O, [ES.ToString(regexp)]);\n };\n overrideNative(String.prototype, 'match', matchShim);\n }\n }\n\n var wrapConstructor = function wrapConstructor(original, replacement, keysToSkip) {\n Value.preserveToString(replacement, original);\n if (Object.setPrototypeOf) {\n // sets up proper prototype chain where possible\n Object.setPrototypeOf(original, replacement);\n }\n if (supportsDescriptors) {\n _forEach(Object.getOwnPropertyNames(original), function (key) {\n if (key in noop || keysToSkip[key]) { return; }\n Value.proxy(original, key, replacement);\n });\n } else {\n _forEach(Object.keys(original), function (key) {\n if (key in noop || keysToSkip[key]) { return; }\n replacement[key] = original[key];\n });\n }\n replacement.prototype = original.prototype;\n Value.redefine(original.prototype, 'constructor', replacement);\n };\n\n var defaultSpeciesGetter = function () { return this; };\n var addDefaultSpecies = function (C) {\n if (supportsDescriptors && !_hasOwnProperty(C, symbolSpecies)) {\n Value.getter(C, symbolSpecies, defaultSpeciesGetter);\n }\n };\n\n var addIterator = function (prototype, impl) {\n var implementation = impl || function iterator() { return this; };\n defineProperty(prototype, $iterator$, implementation);\n if (!prototype[$iterator$] && Type.symbol($iterator$)) {\n // implementations are buggy when $iterator$ is a Symbol\n prototype[$iterator$] = implementation;\n }\n };\n\n var createDataProperty = function createDataProperty(object, name, value) {\n if (supportsDescriptors) {\n Object.defineProperty(object, name, {\n configurable: true,\n enumerable: true,\n writable: true,\n value: value\n });\n } else {\n object[name] = value;\n }\n };\n var createDataPropertyOrThrow = function createDataPropertyOrThrow(object, name, value) {\n createDataProperty(object, name, value);\n if (!ES.SameValue(object[name], value)) {\n throw new TypeError('property is nonconfigurable');\n }\n };\n\n var emulateES6construct = function (o, defaultNewTarget, defaultProto, slots) {\n // This is an es5 approximation to es6 construct semantics. in es6,\n // 'new Foo' invokes Foo.[[Construct]] which (for almost all objects)\n // just sets the internal variable NewTarget (in es6 syntax `new.target`)\n // to Foo and then returns Foo().\n\n // Many ES6 object then have constructors of the form:\n // 1. If NewTarget is undefined, throw a TypeError exception\n // 2. Let xxx by OrdinaryCreateFromConstructor(NewTarget, yyy, zzz)\n\n // So we're going to emulate those first two steps.\n if (!ES.TypeIsObject(o)) {\n throw new TypeError('Constructor requires `new`: ' + defaultNewTarget.name);\n }\n var proto = defaultNewTarget.prototype;\n if (!ES.TypeIsObject(proto)) {\n proto = defaultProto;\n }\n var obj = create(proto);\n for (var name in slots) {\n if (_hasOwnProperty(slots, name)) {\n var value = slots[name];\n defineProperty(obj, name, value, true);\n }\n }\n return obj;\n };\n\n // Firefox 31 reports this function's length as 0\n // https://bugzilla.mozilla.org/show_bug.cgi?id=1062484\n if (String.fromCodePoint && String.fromCodePoint.length !== 1) {\n var originalFromCodePoint = String.fromCodePoint;\n overrideNative(String, 'fromCodePoint', function fromCodePoint(codePoints) {\n return ES.Call(originalFromCodePoint, this, arguments);\n });\n }\n\n var StringShims = {\n fromCodePoint: function fromCodePoint(codePoints) {\n var result = [];\n var next;\n for (var i = 0, length = arguments.length; i < length; i++) {\n next = Number(arguments[i]);\n if (!ES.SameValue(next, ES.ToInteger(next)) || next < 0 || next > 0x10FFFF) {\n throw new RangeError('Invalid code point ' + next);\n }\n\n if (next < 0x10000) {\n _push(result, String.fromCharCode(next));\n } else {\n next -= 0x10000;\n _push(result, String.fromCharCode((next >> 10) + 0xD800));\n _push(result, String.fromCharCode((next % 0x400) + 0xDC00));\n }\n }\n return result.join('');\n },\n\n raw: function raw(callSite) {\n var cooked = ES.ToObject(callSite, 'bad callSite');\n var rawString = ES.ToObject(cooked.raw, 'bad raw value');\n var len = rawString.length;\n var literalsegments = ES.ToLength(len);\n if (literalsegments <= 0) {\n return '';\n }\n\n var stringElements = [];\n var nextIndex = 0;\n var nextKey, next, nextSeg, nextSub;\n while (nextIndex < literalsegments) {\n nextKey = ES.ToString(nextIndex);\n nextSeg = ES.ToString(rawString[nextKey]);\n _push(stringElements, nextSeg);\n if (nextIndex + 1 >= literalsegments) {\n break;\n }\n next = nextIndex + 1 < arguments.length ? arguments[nextIndex + 1] : '';\n nextSub = ES.ToString(next);\n _push(stringElements, nextSub);\n nextIndex += 1;\n }\n return stringElements.join('');\n }\n };\n if (String.raw && String.raw({ raw: { 0: 'x', 1: 'y', length: 2 } }) !== 'xy') {\n // IE 11 TP has a broken String.raw implementation\n overrideNative(String, 'raw', StringShims.raw);\n }\n defineProperties(String, StringShims);\n\n // Fast repeat, uses the `Exponentiation by squaring` algorithm.\n // Perf: http://jsperf.com/string-repeat2/2\n var stringRepeat = function repeat(s, times) {\n if (times < 1) { return ''; }\n if (times % 2) { return repeat(s, times - 1) + s; }\n var half = repeat(s, times / 2);\n return half + half;\n };\n var stringMaxLength = Infinity;\n\n var StringPrototypeShims = {\n repeat: function repeat(times) {\n var thisStr = ES.ToString(ES.RequireObjectCoercible(this));\n var numTimes = ES.ToInteger(times);\n if (numTimes < 0 || numTimes >= stringMaxLength) {\n throw new RangeError('repeat count must be less than infinity and not overflow maximum string size');\n }\n return stringRepeat(thisStr, numTimes);\n },\n\n startsWith: function startsWith(searchString) {\n var S = ES.ToString(ES.RequireObjectCoercible(this));\n if (ES.IsRegExp(searchString)) {\n throw new TypeError('Cannot call method \"startsWith\" with a regex');\n }\n var searchStr = ES.ToString(searchString);\n var position;\n if (arguments.length > 1) {\n position = arguments[1];\n }\n var start = _max(ES.ToInteger(position), 0);\n return _strSlice(S, start, start + searchStr.length) === searchStr;\n },\n\n endsWith: function endsWith(searchString) {\n var S = ES.ToString(ES.RequireObjectCoercible(this));\n if (ES.IsRegExp(searchString)) {\n throw new TypeError('Cannot call method \"endsWith\" with a regex');\n }\n var searchStr = ES.ToString(searchString);\n var len = S.length;\n var endPosition;\n if (arguments.length > 1) {\n endPosition = arguments[1];\n }\n var pos = typeof endPosition === 'undefined' ? len : ES.ToInteger(endPosition);\n var end = _min(_max(pos, 0), len);\n return _strSlice(S, end - searchStr.length, end) === searchStr;\n },\n\n includes: function includes(searchString) {\n if (ES.IsRegExp(searchString)) {\n throw new TypeError('\"includes\" does not accept a RegExp');\n }\n var searchStr = ES.ToString(searchString);\n var position;\n if (arguments.length > 1) {\n position = arguments[1];\n }\n // Somehow this trick makes method 100% compat with the spec.\n return _indexOf(this, searchStr, position) !== -1;\n },\n\n codePointAt: function codePointAt(pos) {\n var thisStr = ES.ToString(ES.RequireObjectCoercible(this));\n var position = ES.ToInteger(pos);\n var length = thisStr.length;\n if (position >= 0 && position < length) {\n var first = thisStr.charCodeAt(position);\n var isEnd = position + 1 === length;\n if (first < 0xD800 || first > 0xDBFF || isEnd) { return first; }\n var second = thisStr.charCodeAt(position + 1);\n if (second < 0xDC00 || second > 0xDFFF) { return first; }\n return ((first - 0xD800) * 1024) + (second - 0xDC00) + 0x10000;\n }\n }\n };\n if (String.prototype.includes && 'a'.includes('a', Infinity) !== false) {\n overrideNative(String.prototype, 'includes', StringPrototypeShims.includes);\n }\n\n if (String.prototype.startsWith && String.prototype.endsWith) {\n var startsWithRejectsRegex = throwsError(function () {\n /* throws if spec-compliant */\n '/a/'.startsWith(/a/);\n });\n var startsWithHandlesInfinity = valueOrFalseIfThrows(function () {\n return 'abc'.startsWith('a', Infinity) === false;\n });\n if (!startsWithRejectsRegex || !startsWithHandlesInfinity) {\n // Firefox (< 37?) and IE 11 TP have a noncompliant startsWith implementation\n overrideNative(String.prototype, 'startsWith', StringPrototypeShims.startsWith);\n overrideNative(String.prototype, 'endsWith', StringPrototypeShims.endsWith);\n }\n }\n if (hasSymbols) {\n var startsWithSupportsSymbolMatch = valueOrFalseIfThrows(function () {\n var re = /a/;\n re[Symbol.match] = false;\n return '/a/'.startsWith(re);\n });\n if (!startsWithSupportsSymbolMatch) {\n overrideNative(String.prototype, 'startsWith', StringPrototypeShims.startsWith);\n }\n var endsWithSupportsSymbolMatch = valueOrFalseIfThrows(function () {\n var re = /a/;\n re[Symbol.match] = false;\n return '/a/'.endsWith(re);\n });\n if (!endsWithSupportsSymbolMatch) {\n overrideNative(String.prototype, 'endsWith', StringPrototypeShims.endsWith);\n }\n var includesSupportsSymbolMatch = valueOrFalseIfThrows(function () {\n var re = /a/;\n re[Symbol.match] = false;\n return '/a/'.includes(re);\n });\n if (!includesSupportsSymbolMatch) {\n overrideNative(String.prototype, 'includes', StringPrototypeShims.includes);\n }\n }\n\n defineProperties(String.prototype, StringPrototypeShims);\n\n // whitespace from: http://es5.github.io/#x15.5.4.20\n // implementation from https://github.com/es-shims/es5-shim/blob/v3.4.0/es5-shim.js#L1304-L1324\n var ws = [\n '\\x09\\x0A\\x0B\\x0C\\x0D\\x20\\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003',\n '\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028',\n '\\u2029\\uFEFF'\n ].join('');\n var trimRegexp = new RegExp('(^[' + ws + ']+)|([' + ws + ']+$)', 'g');\n var trimShim = function trim() {\n return ES.ToString(ES.RequireObjectCoercible(this)).replace(trimRegexp, '');\n };\n var nonWS = ['\\u0085', '\\u200b', '\\ufffe'].join('');\n var nonWSregex = new RegExp('[' + nonWS + ']', 'g');\n var isBadHexRegex = /^[-+]0x[0-9a-f]+$/i;\n var hasStringTrimBug = nonWS.trim().length !== nonWS.length;\n defineProperty(String.prototype, 'trim', trimShim, hasStringTrimBug);\n\n // Given an argument x, it will return an IteratorResult object,\n // with value set to x and done to false.\n // Given no arguments, it will return an iterator completion object.\n var iteratorResult = function (x) {\n return { value: x, done: arguments.length === 0 };\n };\n\n // see http://www.ecma-international.org/ecma-262/6.0/#sec-string.prototype-@@iterator\n var StringIterator = function (s) {\n ES.RequireObjectCoercible(s);\n this._s = ES.ToString(s);\n this._i = 0;\n };\n StringIterator.prototype.next = function () {\n var s = this._s;\n var i = this._i;\n if (typeof s === 'undefined' || i >= s.length) {\n this._s = void 0;\n return iteratorResult();\n }\n var first = s.charCodeAt(i);\n var second, len;\n if (first < 0xD800 || first > 0xDBFF || (i + 1) === s.length) {\n len = 1;\n } else {\n second = s.charCodeAt(i + 1);\n len = (second < 0xDC00 || second > 0xDFFF) ? 1 : 2;\n }\n this._i = i + len;\n return iteratorResult(s.substr(i, len));\n };\n addIterator(StringIterator.prototype);\n addIterator(String.prototype, function () {\n return new StringIterator(this);\n });\n\n var ArrayShims = {\n from: function from(items) {\n var C = this;\n var mapFn;\n if (arguments.length > 1) {\n mapFn = arguments[1];\n }\n var mapping, T;\n if (typeof mapFn === 'undefined') {\n mapping = false;\n } else {\n if (!ES.IsCallable(mapFn)) {\n throw new TypeError('Array.from: when provided, the second argument must be a function');\n }\n if (arguments.length > 2) {\n T = arguments[2];\n }\n mapping = true;\n }\n\n // Note that that Arrays will use ArrayIterator:\n // https://bugs.ecmascript.org/show_bug.cgi?id=2416\n var usingIterator = typeof (isArguments(items) || ES.GetMethod(items, $iterator$)) !== 'undefined';\n\n var length, result, i;\n if (usingIterator) {\n result = ES.IsConstructor(C) ? Object(new C()) : [];\n var iterator = ES.GetIterator(items);\n var next, nextValue;\n\n i = 0;\n while (true) {\n next = ES.IteratorStep(iterator);\n if (next === false) {\n break;\n }\n nextValue = next.value;\n try {\n if (mapping) {\n nextValue = typeof T === 'undefined' ? mapFn(nextValue, i) : _call(mapFn, T, nextValue, i);\n }\n result[i] = nextValue;\n } catch (e) {\n ES.IteratorClose(iterator, true);\n throw e;\n }\n i += 1;\n }\n length = i;\n } else {\n var arrayLike = ES.ToObject(items);\n length = ES.ToLength(arrayLike.length);\n result = ES.IsConstructor(C) ? Object(new C(length)) : new Array(length);\n var value;\n for (i = 0; i < length; ++i) {\n value = arrayLike[i];\n if (mapping) {\n value = typeof T === 'undefined' ? mapFn(value, i) : _call(mapFn, T, value, i);\n }\n createDataPropertyOrThrow(result, i, value);\n }\n }\n\n result.length = length;\n return result;\n },\n\n of: function of() {\n var len = arguments.length;\n var C = this;\n var A = isArray(C) || !ES.IsCallable(C) ? new Array(len) : ES.Construct(C, [len]);\n for (var k = 0; k < len; ++k) {\n createDataPropertyOrThrow(A, k, arguments[k]);\n }\n A.length = len;\n return A;\n }\n };\n defineProperties(Array, ArrayShims);\n addDefaultSpecies(Array);\n\n // Our ArrayIterator is private; see\n // https://github.com/paulmillr/es6-shim/issues/252\n ArrayIterator = function (array, kind) {\n this.i = 0;\n this.array = array;\n this.kind = kind;\n };\n\n defineProperties(ArrayIterator.prototype, {\n next: function () {\n var i = this.i;\n var array = this.array;\n if (!(this instanceof ArrayIterator)) {\n throw new TypeError('Not an ArrayIterator');\n }\n if (typeof array !== 'undefined') {\n var len = ES.ToLength(array.length);\n for (; i < len; i++) {\n var kind = this.kind;\n var retval;\n if (kind === 'key') {\n retval = i;\n } else if (kind === 'value') {\n retval = array[i];\n } else if (kind === 'entry') {\n retval = [i, array[i]];\n }\n this.i = i + 1;\n return iteratorResult(retval);\n }\n }\n this.array = void 0;\n return iteratorResult();\n }\n });\n addIterator(ArrayIterator.prototype);\n\n/*\n var orderKeys = function orderKeys(a, b) {\n var aNumeric = String(ES.ToInteger(a)) === a;\n var bNumeric = String(ES.ToInteger(b)) === b;\n if (aNumeric && bNumeric) {\n return b - a;\n } else if (aNumeric && !bNumeric) {\n return -1;\n } else if (!aNumeric && bNumeric) {\n return 1;\n } else {\n return a.localeCompare(b);\n }\n };\n\n var getAllKeys = function getAllKeys(object) {\n var ownKeys = [];\n var keys = [];\n\n for (var key in object) {\n _push(_hasOwnProperty(object, key) ? ownKeys : keys, key);\n }\n _sort(ownKeys, orderKeys);\n _sort(keys, orderKeys);\n\n return _concat(ownKeys, keys);\n };\n */\n\n // note: this is positioned here because it depends on ArrayIterator\n var arrayOfSupportsSubclassing = Array.of === ArrayShims.of || (function () {\n // Detects a bug in Webkit nightly r181886\n var Foo = function Foo(len) { this.length = len; };\n Foo.prototype = [];\n var fooArr = Array.of.apply(Foo, [1, 2]);\n return fooArr instanceof Foo && fooArr.length === 2;\n }());\n if (!arrayOfSupportsSubclassing) {\n overrideNative(Array, 'of', ArrayShims.of);\n }\n\n var ArrayPrototypeShims = {\n copyWithin: function copyWithin(target, start) {\n var o = ES.ToObject(this);\n var len = ES.ToLength(o.length);\n var relativeTarget = ES.ToInteger(target);\n var relativeStart = ES.ToInteger(start);\n var to = relativeTarget < 0 ? _max(len + relativeTarget, 0) : _min(relativeTarget, len);\n var from = relativeStart < 0 ? _max(len + relativeStart, 0) : _min(relativeStart, len);\n var end;\n if (arguments.length > 2) {\n end = arguments[2];\n }\n var relativeEnd = typeof end === 'undefined' ? len : ES.ToInteger(end);\n var finalItem = relativeEnd < 0 ? _max(len + relativeEnd, 0) : _min(relativeEnd, len);\n var count = _min(finalItem - from, len - to);\n var direction = 1;\n if (from < to && to < (from + count)) {\n direction = -1;\n from += count - 1;\n to += count - 1;\n }\n while (count > 0) {\n if (from in o) {\n o[to] = o[from];\n } else {\n delete o[to];\n }\n from += direction;\n to += direction;\n count -= 1;\n }\n return o;\n },\n\n fill: function fill(value) {\n var start;\n if (arguments.length > 1) {\n start = arguments[1];\n }\n var end;\n if (arguments.length > 2) {\n end = arguments[2];\n }\n var O = ES.ToObject(this);\n var len = ES.ToLength(O.length);\n start = ES.ToInteger(typeof start === 'undefined' ? 0 : start);\n end = ES.ToInteger(typeof end === 'undefined' ? len : end);\n\n var relativeStart = start < 0 ? _max(len + start, 0) : _min(start, len);\n var relativeEnd = end < 0 ? len + end : end;\n\n for (var i = relativeStart; i < len && i < relativeEnd; ++i) {\n O[i] = value;\n }\n return O;\n },\n\n find: function find(predicate) {\n var list = ES.ToObject(this);\n var length = ES.ToLength(list.length);\n if (!ES.IsCallable(predicate)) {\n throw new TypeError('Array#find: predicate must be a function');\n }\n var thisArg = arguments.length > 1 ? arguments[1] : null;\n for (var i = 0, value; i < length; i++) {\n value = list[i];\n if (thisArg) {\n if (_call(predicate, thisArg, value, i, list)) {\n return value;\n }\n } else if (predicate(value, i, list)) {\n return value;\n }\n }\n },\n\n findIndex: function findIndex(predicate) {\n var list = ES.ToObject(this);\n var length = ES.ToLength(list.length);\n if (!ES.IsCallable(predicate)) {\n throw new TypeError('Array#findIndex: predicate must be a function');\n }\n var thisArg = arguments.length > 1 ? arguments[1] : null;\n for (var i = 0; i < length; i++) {\n if (thisArg) {\n if (_call(predicate, thisArg, list[i], i, list)) {\n return i;\n }\n } else if (predicate(list[i], i, list)) {\n return i;\n }\n }\n return -1;\n },\n\n keys: function keys() {\n return new ArrayIterator(this, 'key');\n },\n\n values: function values() {\n return new ArrayIterator(this, 'value');\n },\n\n entries: function entries() {\n return new ArrayIterator(this, 'entry');\n }\n };\n // Safari 7.1 defines Array#keys and Array#entries natively,\n // but the resulting ArrayIterator objects don't have a \"next\" method.\n if (Array.prototype.keys && !ES.IsCallable([1].keys().next)) {\n delete Array.prototype.keys;\n }\n if (Array.prototype.entries && !ES.IsCallable([1].entries().next)) {\n delete Array.prototype.entries;\n }\n\n // Chrome 38 defines Array#keys and Array#entries, and Array#@@iterator, but not Array#values\n if (Array.prototype.keys && Array.prototype.entries && !Array.prototype.values && Array.prototype[$iterator$]) {\n defineProperties(Array.prototype, {\n values: Array.prototype[$iterator$]\n });\n if (Type.symbol(Symbol.unscopables)) {\n Array.prototype[Symbol.unscopables].values = true;\n }\n }\n // Chrome 40 defines Array#values with the incorrect name, although Array#{keys,entries} have the correct name\n if (functionsHaveNames && Array.prototype.values && Array.prototype.values.name !== 'values') {\n var originalArrayPrototypeValues = Array.prototype.values;\n overrideNative(Array.prototype, 'values', function values() { return ES.Call(originalArrayPrototypeValues, this, arguments); });\n defineProperty(Array.prototype, $iterator$, Array.prototype.values, true);\n }\n defineProperties(Array.prototype, ArrayPrototypeShims);\n\n if (1 / [true].indexOf(true, -0) < 0) {\n // indexOf when given a position arg of -0 should return +0.\n // https://github.com/tc39/ecma262/pull/316\n defineProperty(Array.prototype, 'indexOf', function indexOf(searchElement) {\n var value = _arrayIndexOfApply(this, arguments);\n if (value === 0 && (1 / value) < 0) {\n return 0;\n }\n return value;\n }, true);\n }\n\n addIterator(Array.prototype, function () { return this.values(); });\n // Chrome defines keys/values/entries on Array, but doesn't give us\n // any way to identify its iterator. So add our own shimmed field.\n if (Object.getPrototypeOf) {\n addIterator(Object.getPrototypeOf([].values()));\n }\n\n // note: this is positioned here because it relies on Array#entries\n var arrayFromSwallowsNegativeLengths = (function () {\n // Detects a Firefox bug in v32\n // https://bugzilla.mozilla.org/show_bug.cgi?id=1063993\n return valueOrFalseIfThrows(function () {\n return Array.from({ length: -1 }).length === 0;\n });\n }());\n var arrayFromHandlesIterables = (function () {\n // Detects a bug in Webkit nightly r181886\n var arr = Array.from([0].entries());\n return arr.length === 1 && isArray(arr[0]) && arr[0][0] === 0 && arr[0][1] === 0;\n }());\n if (!arrayFromSwallowsNegativeLengths || !arrayFromHandlesIterables) {\n overrideNative(Array, 'from', ArrayShims.from);\n }\n var arrayFromHandlesUndefinedMapFunction = (function () {\n // Microsoft Edge v0.11 throws if the mapFn argument is *provided* but undefined,\n // but the spec doesn't care if it's provided or not - undefined doesn't throw.\n return valueOrFalseIfThrows(function () {\n return Array.from([0], void 0);\n });\n }());\n if (!arrayFromHandlesUndefinedMapFunction) {\n var origArrayFrom = Array.from;\n overrideNative(Array, 'from', function from(items) {\n if (arguments.length > 1 && typeof arguments[1] !== 'undefined') {\n return ES.Call(origArrayFrom, this, arguments);\n } else {\n return _call(origArrayFrom, this, items);\n }\n });\n }\n\n var int32sAsOne = -(Math.pow(2, 32) - 1);\n var toLengthsCorrectly = function (method, reversed) {\n var obj = { length: int32sAsOne };\n obj[reversed ? (obj.length >>> 0) - 1 : 0] = true;\n return valueOrFalseIfThrows(function () {\n _call(method, obj, function () {\n // note: in nonconforming browsers, this will be called\n // -1 >>> 0 times, which is 4294967295, so the throw matters.\n throw new RangeError('should not reach here');\n }, []);\n return true;\n });\n };\n if (!toLengthsCorrectly(Array.prototype.forEach)) {\n var originalForEach = Array.prototype.forEach;\n overrideNative(Array.prototype, 'forEach', function forEach(callbackFn) {\n return ES.Call(originalForEach, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.map)) {\n var originalMap = Array.prototype.map;\n overrideNative(Array.prototype, 'map', function map(callbackFn) {\n return ES.Call(originalMap, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.filter)) {\n var originalFilter = Array.prototype.filter;\n overrideNative(Array.prototype, 'filter', function filter(callbackFn) {\n return ES.Call(originalFilter, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.some)) {\n var originalSome = Array.prototype.some;\n overrideNative(Array.prototype, 'some', function some(callbackFn) {\n return ES.Call(originalSome, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.every)) {\n var originalEvery = Array.prototype.every;\n overrideNative(Array.prototype, 'every', function every(callbackFn) {\n return ES.Call(originalEvery, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.reduce)) {\n var originalReduce = Array.prototype.reduce;\n overrideNative(Array.prototype, 'reduce', function reduce(callbackFn) {\n return ES.Call(originalReduce, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n if (!toLengthsCorrectly(Array.prototype.reduceRight, true)) {\n var originalReduceRight = Array.prototype.reduceRight;\n overrideNative(Array.prototype, 'reduceRight', function reduceRight(callbackFn) {\n return ES.Call(originalReduceRight, this.length >= 0 ? this : [], arguments);\n }, true);\n }\n\n var lacksOctalSupport = Number('0o10') !== 8;\n var lacksBinarySupport = Number('0b10') !== 2;\n var trimsNonWhitespace = _some(nonWS, function (c) {\n return Number(c + 0 + c) === 0;\n });\n if (lacksOctalSupport || lacksBinarySupport || trimsNonWhitespace) {\n var OrigNumber = Number;\n var binaryRegex = /^0b[01]+$/i;\n var octalRegex = /^0o[0-7]+$/i;\n // Note that in IE 8, RegExp.prototype.test doesn't seem to exist: ie, \"test\" is an own property of regexes. wtf.\n var isBinary = binaryRegex.test.bind(binaryRegex);\n var isOctal = octalRegex.test.bind(octalRegex);\n var toPrimitive = function (O) { // need to replace this with `es-to-primitive/es6`\n var result;\n if (typeof O.valueOf === 'function') {\n result = O.valueOf();\n if (Type.primitive(result)) {\n return result;\n }\n }\n if (typeof O.toString === 'function') {\n result = O.toString();\n if (Type.primitive(result)) {\n return result;\n }\n }\n throw new TypeError('No default value');\n };\n var hasNonWS = nonWSregex.test.bind(nonWSregex);\n var isBadHex = isBadHexRegex.test.bind(isBadHexRegex);\n var NumberShim = (function () {\n // this is wrapped in an IIFE because of IE 6-8's wacky scoping issues with named function expressions.\n var NumberShim = function Number(value) {\n var primValue;\n if (arguments.length > 0) {\n primValue = Type.primitive(value) ? value : toPrimitive(value, 'number');\n } else {\n primValue = 0;\n }\n if (typeof primValue === 'string') {\n primValue = ES.Call(trimShim, primValue);\n if (isBinary(primValue)) {\n primValue = parseInt(_strSlice(primValue, 2), 2);\n } else if (isOctal(primValue)) {\n primValue = parseInt(_strSlice(primValue, 2), 8);\n } else if (hasNonWS(primValue) || isBadHex(primValue)) {\n primValue = NaN;\n }\n }\n var receiver = this;\n var valueOfSucceeds = valueOrFalseIfThrows(function () {\n OrigNumber.prototype.valueOf.call(receiver);\n return true;\n });\n if (receiver instanceof NumberShim && !valueOfSucceeds) {\n return new OrigNumber(primValue);\n }\n /* jshint newcap: false */\n return OrigNumber(primValue);\n /* jshint newcap: true */\n };\n return NumberShim;\n }());\n wrapConstructor(OrigNumber, NumberShim, {});\n // this is necessary for ES3 browsers, where these properties are non-enumerable.\n defineProperties(NumberShim, {\n NaN: OrigNumber.NaN,\n MAX_VALUE: OrigNumber.MAX_VALUE,\n MIN_VALUE: OrigNumber.MIN_VALUE,\n NEGATIVE_INFINITY: OrigNumber.NEGATIVE_INFINITY,\n POSITIVE_INFINITY: OrigNumber.POSITIVE_INFINITY\n });\n /* globals Number: true */\n /* eslint-disable no-undef, no-global-assign */\n /* jshint -W020 */\n Number = NumberShim;\n Value.redefine(globals, 'Number', NumberShim);\n /* jshint +W020 */\n /* eslint-enable no-undef, no-global-assign */\n /* globals Number: false */\n }\n\n var maxSafeInteger = Math.pow(2, 53) - 1;\n defineProperties(Number, {\n MAX_SAFE_INTEGER: maxSafeInteger,\n MIN_SAFE_INTEGER: -maxSafeInteger,\n EPSILON: 2.220446049250313e-16,\n\n parseInt: globals.parseInt,\n parseFloat: globals.parseFloat,\n\n isFinite: numberIsFinite,\n\n isInteger: function isInteger(value) {\n return numberIsFinite(value) && ES.ToInteger(value) === value;\n },\n\n isSafeInteger: function isSafeInteger(value) {\n return Number.isInteger(value) && _abs(value) <= Number.MAX_SAFE_INTEGER;\n },\n\n isNaN: numberIsNaN\n });\n // Firefox 37 has a conforming Number.parseInt, but it's not === to the global parseInt (fixed in v40)\n defineProperty(Number, 'parseInt', globals.parseInt, Number.parseInt !== globals.parseInt);\n\n // Work around bugs in Array#find and Array#findIndex -- early\n // implementations skipped holes in sparse arrays. (Note that the\n // implementations of find/findIndex indirectly use shimmed\n // methods of Number, so this test has to happen down here.)\n /*jshint elision: true */\n /* eslint-disable no-sparse-arrays */\n if ([, 1].find(function () { return true; }) === 1) {\n overrideNative(Array.prototype, 'find', ArrayPrototypeShims.find);\n }\n if ([, 1].findIndex(function () { return true; }) !== 0) {\n overrideNative(Array.prototype, 'findIndex', ArrayPrototypeShims.findIndex);\n }\n /* eslint-enable no-sparse-arrays */\n /*jshint elision: false */\n\n var isEnumerableOn = Function.bind.call(Function.bind, Object.prototype.propertyIsEnumerable);\n var ensureEnumerable = function ensureEnumerable(obj, prop) {\n if (supportsDescriptors && isEnumerableOn(obj, prop)) {\n Object.defineProperty(obj, prop, { enumerable: false });\n }\n };\n var sliceArgs = function sliceArgs() {\n // per https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#32-leaking-arguments\n // and https://gist.github.com/WebReflection/4327762cb87a8c634a29\n var initial = Number(this);\n var len = arguments.length;\n var desiredArgCount = len - initial;\n var args = new Array(desiredArgCount < 0 ? 0 : desiredArgCount);\n for (var i = initial; i < len; ++i) {\n args[i - initial] = arguments[i];\n }\n return args;\n };\n var assignTo = function assignTo(source) {\n return function assignToSource(target, key) {\n target[key] = source[key];\n return target;\n };\n };\n var assignReducer = function (target, source) {\n var sourceKeys = keys(Object(source));\n var symbols;\n if (ES.IsCallable(Object.getOwnPropertySymbols)) {\n symbols = _filter(Object.getOwnPropertySymbols(Object(source)), isEnumerableOn(source));\n }\n return _reduce(_concat(sourceKeys, symbols || []), assignTo(source), target);\n };\n\n var ObjectShims = {\n // 19.1.3.1\n assign: function (target, source) {\n var to = ES.ToObject(target, 'Cannot convert undefined or null to object');\n return _reduce(ES.Call(sliceArgs, 1, arguments), assignReducer, to);\n },\n\n // Added in WebKit in https://bugs.webkit.org/show_bug.cgi?id=143865\n is: function is(a, b) {\n return ES.SameValue(a, b);\n }\n };\n var assignHasPendingExceptions = Object.assign && Object.preventExtensions && (function () {\n // Firefox 37 still has \"pending exception\" logic in its Object.assign implementation,\n // which is 72% slower than our shim, and Firefox 40's native implementation.\n var thrower = Object.preventExtensions({ 1: 2 });\n try {\n Object.assign(thrower, 'xy');\n } catch (e) {\n return thrower[1] === 'y';\n }\n }());\n if (assignHasPendingExceptions) {\n overrideNative(Object, 'assign', ObjectShims.assign);\n }\n defineProperties(Object, ObjectShims);\n\n if (supportsDescriptors) {\n var ES5ObjectShims = {\n // 19.1.3.9\n // shim from https://gist.github.com/WebReflection/5593554\n setPrototypeOf: (function (Object, magic) {\n var set;\n\n var checkArgs = function (O, proto) {\n if (!ES.TypeIsObject(O)) {\n throw new TypeError('cannot set prototype on a non-object');\n }\n if (!(proto === null || ES.TypeIsObject(proto))) {\n throw new TypeError('can only set prototype to an object or null' + proto);\n }\n };\n\n var setPrototypeOf = function (O, proto) {\n checkArgs(O, proto);\n _call(set, O, proto);\n return O;\n };\n\n try {\n // this works already in Firefox and Safari\n set = Object.getOwnPropertyDescriptor(Object.prototype, magic).set;\n _call(set, {}, null);\n } catch (e) {\n if (Object.prototype !== {}[magic]) {\n // IE < 11 cannot be shimmed\n return;\n }\n // probably Chrome or some old Mobile stock browser\n set = function (proto) {\n this[magic] = proto;\n };\n // please note that this will **not** work\n // in those browsers that do not inherit\n // __proto__ by mistake from Object.prototype\n // in these cases we should probably throw an error\n // or at least be informed about the issue\n setPrototypeOf.polyfill = setPrototypeOf(\n setPrototypeOf({}, null),\n Object.prototype\n ) instanceof Object;\n // setPrototypeOf.polyfill === true means it works as meant\n // setPrototypeOf.polyfill === false means it's not 100% reliable\n // setPrototypeOf.polyfill === undefined\n // or\n // setPrototypeOf.polyfill == null means it's not a polyfill\n // which means it works as expected\n // we can even delete Object.prototype.__proto__;\n }\n return setPrototypeOf;\n }(Object, '__proto__'))\n };\n\n defineProperties(Object, ES5ObjectShims);\n }\n\n // Workaround bug in Opera 12 where setPrototypeOf(x, null) doesn't work,\n // but Object.create(null) does.\n if (Object.setPrototypeOf && Object.getPrototypeOf &&\n Object.getPrototypeOf(Object.setPrototypeOf({}, null)) !== null &&\n Object.getPrototypeOf(Object.create(null)) === null) {\n (function () {\n var FAKENULL = Object.create(null);\n var gpo = Object.getPrototypeOf;\n var spo = Object.setPrototypeOf;\n Object.getPrototypeOf = function (o) {\n var result = gpo(o);\n return result === FAKENULL ? null : result;\n };\n Object.setPrototypeOf = function (o, p) {\n var proto = p === null ? FAKENULL : p;\n return spo(o, proto);\n };\n Object.setPrototypeOf.polyfill = false;\n }());\n }\n\n var objectKeysAcceptsPrimitives = !throwsError(function () { Object.keys('foo'); });\n if (!objectKeysAcceptsPrimitives) {\n var originalObjectKeys = Object.keys;\n overrideNative(Object, 'keys', function keys(value) {\n return originalObjectKeys(ES.ToObject(value));\n });\n keys = Object.keys;\n }\n var objectKeysRejectsRegex = throwsError(function () { Object.keys(/a/g); });\n if (objectKeysRejectsRegex) {\n var regexRejectingObjectKeys = Object.keys;\n overrideNative(Object, 'keys', function keys(value) {\n if (Type.regex(value)) {\n var regexKeys = [];\n for (var k in value) {\n if (_hasOwnProperty(value, k)) {\n _push(regexKeys, k);\n }\n }\n return regexKeys;\n }\n return regexRejectingObjectKeys(value);\n });\n keys = Object.keys;\n }\n\n if (Object.getOwnPropertyNames) {\n var objectGOPNAcceptsPrimitives = !throwsError(function () { Object.getOwnPropertyNames('foo'); });\n if (!objectGOPNAcceptsPrimitives) {\n var cachedWindowNames = typeof window === 'object' ? Object.getOwnPropertyNames(window) : [];\n var originalObjectGetOwnPropertyNames = Object.getOwnPropertyNames;\n overrideNative(Object, 'getOwnPropertyNames', function getOwnPropertyNames(value) {\n var val = ES.ToObject(value);\n if (_toString(val) === '[object Window]') {\n try {\n return originalObjectGetOwnPropertyNames(val);\n } catch (e) {\n // IE bug where layout engine calls userland gOPN for cross-domain `window` objects\n return _concat([], cachedWindowNames);\n }\n }\n return originalObjectGetOwnPropertyNames(val);\n });\n }\n }\n if (Object.getOwnPropertyDescriptor) {\n var objectGOPDAcceptsPrimitives = !throwsError(function () { Object.getOwnPropertyDescriptor('foo', 'bar'); });\n if (!objectGOPDAcceptsPrimitives) {\n var originalObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n overrideNative(Object, 'getOwnPropertyDescriptor', function getOwnPropertyDescriptor(value, property) {\n return originalObjectGetOwnPropertyDescriptor(ES.ToObject(value), property);\n });\n }\n }\n if (Object.seal) {\n var objectSealAcceptsPrimitives = !throwsError(function () { Object.seal('foo'); });\n if (!objectSealAcceptsPrimitives) {\n var originalObjectSeal = Object.seal;\n overrideNative(Object, 'seal', function seal(value) {\n if (!ES.TypeIsObject(value)) { return value; }\n return originalObjectSeal(value);\n });\n }\n }\n if (Object.isSealed) {\n var objectIsSealedAcceptsPrimitives = !throwsError(function () { Object.isSealed('foo'); });\n if (!objectIsSealedAcceptsPrimitives) {\n var originalObjectIsSealed = Object.isSealed;\n overrideNative(Object, 'isSealed', function isSealed(value) {\n if (!ES.TypeIsObject(value)) { return true; }\n return originalObjectIsSealed(value);\n });\n }\n }\n if (Object.freeze) {\n var objectFreezeAcceptsPrimitives = !throwsError(function () { Object.freeze('foo'); });\n if (!objectFreezeAcceptsPrimitives) {\n var originalObjectFreeze = Object.freeze;\n overrideNative(Object, 'freeze', function freeze(value) {\n if (!ES.TypeIsObject(value)) { return value; }\n return originalObjectFreeze(value);\n });\n }\n }\n if (Object.isFrozen) {\n var objectIsFrozenAcceptsPrimitives = !throwsError(function () { Object.isFrozen('foo'); });\n if (!objectIsFrozenAcceptsPrimitives) {\n var originalObjectIsFrozen = Object.isFrozen;\n overrideNative(Object, 'isFrozen', function isFrozen(value) {\n if (!ES.TypeIsObject(value)) { return true; }\n return originalObjectIsFrozen(value);\n });\n }\n }\n if (Object.preventExtensions) {\n var objectPreventExtensionsAcceptsPrimitives = !throwsError(function () { Object.preventExtensions('foo'); });\n if (!objectPreventExtensionsAcceptsPrimitives) {\n var originalObjectPreventExtensions = Object.preventExtensions;\n overrideNative(Object, 'preventExtensions', function preventExtensions(value) {\n if (!ES.TypeIsObject(value)) { return value; }\n return originalObjectPreventExtensions(value);\n });\n }\n }\n if (Object.isExtensible) {\n var objectIsExtensibleAcceptsPrimitives = !throwsError(function () { Object.isExtensible('foo'); });\n if (!objectIsExtensibleAcceptsPrimitives) {\n var originalObjectIsExtensible = Object.isExtensible;\n overrideNative(Object, 'isExtensible', function isExtensible(value) {\n if (!ES.TypeIsObject(value)) { return false; }\n return originalObjectIsExtensible(value);\n });\n }\n }\n if (Object.getPrototypeOf) {\n var objectGetProtoAcceptsPrimitives = !throwsError(function () { Object.getPrototypeOf('foo'); });\n if (!objectGetProtoAcceptsPrimitives) {\n var originalGetProto = Object.getPrototypeOf;\n overrideNative(Object, 'getPrototypeOf', function getPrototypeOf(value) {\n return originalGetProto(ES.ToObject(value));\n });\n }\n }\n\n var hasFlags = supportsDescriptors && (function () {\n var desc = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');\n return desc && ES.IsCallable(desc.get);\n }());\n if (supportsDescriptors && !hasFlags) {\n var regExpFlagsGetter = function flags() {\n if (!ES.TypeIsObject(this)) {\n throw new TypeError('Method called on incompatible type: must be an object.');\n }\n var result = '';\n if (this.global) {\n result += 'g';\n }\n if (this.ignoreCase) {\n result += 'i';\n }\n if (this.multiline) {\n result += 'm';\n }\n if (this.unicode) {\n result += 'u';\n }\n if (this.sticky) {\n result += 'y';\n }\n return result;\n };\n\n Value.getter(RegExp.prototype, 'flags', regExpFlagsGetter);\n }\n\n var regExpSupportsFlagsWithRegex = supportsDescriptors && valueOrFalseIfThrows(function () {\n return String(new RegExp(/a/g, 'i')) === '/a/i';\n });\n var regExpNeedsToSupportSymbolMatch = hasSymbols && supportsDescriptors && (function () {\n // Edge 0.12 supports flags fully, but does not support Symbol.match\n var regex = /./;\n regex[Symbol.match] = false;\n return RegExp(regex) === regex;\n }());\n\n var regexToStringIsGeneric = valueOrFalseIfThrows(function () {\n return RegExp.prototype.toString.call({ source: 'abc' }) === '/abc/';\n });\n var regexToStringSupportsGenericFlags = regexToStringIsGeneric && valueOrFalseIfThrows(function () {\n return RegExp.prototype.toString.call({ source: 'a', flags: 'b' }) === '/a/b';\n });\n if (!regexToStringIsGeneric || !regexToStringSupportsGenericFlags) {\n var origRegExpToString = RegExp.prototype.toString;\n defineProperty(RegExp.prototype, 'toString', function toString() {\n var R = ES.RequireObjectCoercible(this);\n if (Type.regex(R)) {\n return _call(origRegExpToString, R);\n }\n var pattern = $String(R.source);\n var flags = $String(R.flags);\n return '/' + pattern + '/' + flags;\n }, true);\n Value.preserveToString(RegExp.prototype.toString, origRegExpToString);\n }\n\n if (supportsDescriptors && (!regExpSupportsFlagsWithRegex || regExpNeedsToSupportSymbolMatch)) {\n var flagsGetter = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags').get;\n var sourceDesc = Object.getOwnPropertyDescriptor(RegExp.prototype, 'source') || {};\n var legacySourceGetter = function () {\n // prior to it being a getter, it's own + nonconfigurable\n return this.source;\n };\n var sourceGetter = ES.IsCallable(sourceDesc.get) ? sourceDesc.get : legacySourceGetter;\n\n var OrigRegExp = RegExp;\n var RegExpShim = (function () {\n return function RegExp(pattern, flags) {\n var patternIsRegExp = ES.IsRegExp(pattern);\n var calledWithNew = this instanceof RegExp;\n if (!calledWithNew && patternIsRegExp && typeof flags === 'undefined' && pattern.constructor === RegExp) {\n return pattern;\n }\n\n var P = pattern;\n var F = flags;\n if (Type.regex(pattern)) {\n P = ES.Call(sourceGetter, pattern);\n F = typeof flags === 'undefined' ? ES.Call(flagsGetter, pattern) : flags;\n return new RegExp(P, F);\n } else if (patternIsRegExp) {\n P = pattern.source;\n F = typeof flags === 'undefined' ? pattern.flags : flags;\n }\n return new OrigRegExp(pattern, flags);\n };\n }());\n wrapConstructor(OrigRegExp, RegExpShim, {\n $input: true // Chrome < v39 & Opera < 26 have a nonstandard \"$input\" property\n });\n /* globals RegExp: true */\n /* eslint-disable no-undef, no-global-assign */\n /* jshint -W020 */\n RegExp = RegExpShim;\n Value.redefine(globals, 'RegExp', RegExpShim);\n /* jshint +W020 */\n /* eslint-enable no-undef, no-global-assign */\n /* globals RegExp: false */\n }\n\n if (supportsDescriptors) {\n var regexGlobals = {\n input: '$_',\n lastMatch: '$&',\n lastParen: '$+',\n leftContext: '$`',\n rightContext: '$\\''\n };\n _forEach(keys(regexGlobals), function (prop) {\n if (prop in RegExp && !(regexGlobals[prop] in RegExp)) {\n Value.getter(RegExp, regexGlobals[prop], function get() {\n return RegExp[prop];\n });\n }\n });\n }\n addDefaultSpecies(RegExp);\n\n var inverseEpsilon = 1 / Number.EPSILON;\n var roundTiesToEven = function roundTiesToEven(n) {\n // Even though this reduces down to `return n`, it takes advantage of built-in rounding.\n return (n + inverseEpsilon) - inverseEpsilon;\n };\n var BINARY_32_EPSILON = Math.pow(2, -23);\n var BINARY_32_MAX_VALUE = Math.pow(2, 127) * (2 - BINARY_32_EPSILON);\n var BINARY_32_MIN_VALUE = Math.pow(2, -126);\n var E = Math.E;\n var LOG2E = Math.LOG2E;\n var LOG10E = Math.LOG10E;\n var numberCLZ = Number.prototype.clz;\n delete Number.prototype.clz; // Safari 8 has Number#clz\n\n var MathShims = {\n acosh: function acosh(value) {\n var x = Number(value);\n if (numberIsNaN(x) || value < 1) { return NaN; }\n if (x === 1) { return 0; }\n if (x === Infinity) { return x; }\n return _log((x / E) + (_sqrt(x + 1) * _sqrt(x - 1) / E)) + 1;\n },\n\n asinh: function asinh(value) {\n var x = Number(value);\n if (x === 0 || !globalIsFinite(x)) {\n return x;\n }\n return x < 0 ? -asinh(-x) : _log(x + _sqrt((x * x) + 1));\n },\n\n atanh: function atanh(value) {\n var x = Number(value);\n if (numberIsNaN(x) || x < -1 || x > 1) {\n return NaN;\n }\n if (x === -1) { return -Infinity; }\n if (x === 1) { return Infinity; }\n if (x === 0) { return x; }\n return 0.5 * _log((1 + x) / (1 - x));\n },\n\n cbrt: function cbrt(value) {\n var x = Number(value);\n if (x === 0) { return x; }\n var negate = x < 0;\n var result;\n if (negate) { x = -x; }\n if (x === Infinity) {\n result = Infinity;\n } else {\n result = _exp(_log(x) / 3);\n // from http://en.wikipedia.org/wiki/Cube_root#Numerical_methods\n result = ((x / (result * result)) + (2 * result)) / 3;\n }\n return negate ? -result : result;\n },\n\n clz32: function clz32(value) {\n // See https://bugs.ecmascript.org/show_bug.cgi?id=2465\n var x = Number(value);\n var number = ES.ToUint32(x);\n if (number === 0) {\n return 32;\n }\n return numberCLZ ? ES.Call(numberCLZ, number) : 31 - _floor(_log(number + 0.5) * LOG2E);\n },\n\n cosh: function cosh(value) {\n var x = Number(value);\n if (x === 0) { return 1; } // +0 or -0\n if (numberIsNaN(x)) { return NaN; }\n if (!globalIsFinite(x)) { return Infinity; }\n if (x < 0) { x = -x; }\n if (x > 21) { return _exp(x) / 2; }\n return (_exp(x) + _exp(-x)) / 2;\n },\n\n expm1: function expm1(value) {\n var x = Number(value);\n if (x === -Infinity) { return -1; }\n if (!globalIsFinite(x) || x === 0) { return x; }\n if (_abs(x) > 0.5) {\n return _exp(x) - 1;\n }\n // A more precise approximation using Taylor series expansion\n // from https://github.com/paulmillr/es6-shim/issues/314#issuecomment-70293986\n var t = x;\n var sum = 0;\n var n = 1;\n while (sum + t !== sum) {\n sum += t;\n n += 1;\n t *= x / n;\n }\n return sum;\n },\n\n hypot: function hypot(x, y) {\n var result = 0;\n var largest = 0;\n for (var i = 0; i < arguments.length; ++i) {\n var value = _abs(Number(arguments[i]));\n if (largest < value) {\n result *= (largest / value) * (largest / value);\n result += 1;\n largest = value;\n } else {\n result += value > 0 ? (value / largest) * (value / largest) : value;\n }\n }\n return largest === Infinity ? Infinity : largest * _sqrt(result);\n },\n\n log2: function log2(value) {\n return _log(value) * LOG2E;\n },\n\n log10: function log10(value) {\n return _log(value) * LOG10E;\n },\n\n log1p: function log1p(value) {\n var x = Number(value);\n if (x < -1 || numberIsNaN(x)) { return NaN; }\n if (x === 0 || x === Infinity) { return x; }\n if (x === -1) { return -Infinity; }\n\n return (1 + x) - 1 === 0 ? x : x * (_log(1 + x) / ((1 + x) - 1));\n },\n\n sign: _sign,\n\n sinh: function sinh(value) {\n var x = Number(value);\n if (!globalIsFinite(x) || x === 0) { return x; }\n\n if (_abs(x) < 1) {\n return (Math.expm1(x) - Math.expm1(-x)) / 2;\n }\n return (_exp(x - 1) - _exp(-x - 1)) * E / 2;\n },\n\n tanh: function tanh(value) {\n var x = Number(value);\n if (numberIsNaN(x) || x === 0) { return x; }\n // can exit early at +-20 as JS loses precision for true value at this integer\n if (x >= 20) { return 1; }\n if (x <= -20) { return -1; }\n\n return (Math.expm1(x) - Math.expm1(-x)) / (_exp(x) + _exp(-x));\n },\n\n trunc: function trunc(value) {\n var x = Number(value);\n return x < 0 ? -_floor(-x) : _floor(x);\n },\n\n imul: function imul(x, y) {\n // taken from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul\n var a = ES.ToUint32(x);\n var b = ES.ToUint32(y);\n var ah = (a >>> 16) & 0xffff;\n var al = a & 0xffff;\n var bh = (b >>> 16) & 0xffff;\n var bl = b & 0xffff;\n // the shift by 0 fixes the sign on the high part\n // the final |0 converts the unsigned value into a signed value\n return (al * bl) + ((((ah * bl) + (al * bh)) << 16) >>> 0) | 0;\n },\n\n fround: function fround(x) {\n var v = Number(x);\n if (v === 0 || v === Infinity || v === -Infinity || numberIsNaN(v)) {\n return v;\n }\n var sign = _sign(v);\n var abs = _abs(v);\n if (abs < BINARY_32_MIN_VALUE) {\n return sign * roundTiesToEven(\n abs / BINARY_32_MIN_VALUE / BINARY_32_EPSILON\n ) * BINARY_32_MIN_VALUE * BINARY_32_EPSILON;\n }\n // Veltkamp's splitting (?)\n var a = (1 + (BINARY_32_EPSILON / Number.EPSILON)) * abs;\n var result = a - (a - abs);\n if (result > BINARY_32_MAX_VALUE || numberIsNaN(result)) {\n return sign * Infinity;\n }\n return sign * result;\n }\n };\n defineProperties(Math, MathShims);\n // IE 11 TP has an imprecise log1p: reports Math.log1p(-1e-17) as 0\n defineProperty(Math, 'log1p', MathShims.log1p, Math.log1p(-1e-17) !== -1e-17);\n // IE 11 TP has an imprecise asinh: reports Math.asinh(-1e7) as not exactly equal to -Math.asinh(1e7)\n defineProperty(Math, 'asinh', MathShims.asinh, Math.asinh(-1e7) !== -Math.asinh(1e7));\n // Chrome 40 has an imprecise Math.tanh with very small numbers\n defineProperty(Math, 'tanh', MathShims.tanh, Math.tanh(-2e-17) !== -2e-17);\n // Chrome 40 loses Math.acosh precision with high numbers\n defineProperty(Math, 'acosh', MathShims.acosh, Math.acosh(Number.MAX_VALUE) === Infinity);\n // Firefox 38 on Windows\n defineProperty(Math, 'cbrt', MathShims.cbrt, Math.abs(1 - (Math.cbrt(1e-300) / 1e-100)) / Number.EPSILON > 8);\n // node 0.11 has an imprecise Math.sinh with very small numbers\n defineProperty(Math, 'sinh', MathShims.sinh, Math.sinh(-2e-17) !== -2e-17);\n // FF 35 on Linux reports 22025.465794806725 for Math.expm1(10)\n var expm1OfTen = Math.expm1(10);\n defineProperty(Math, 'expm1', MathShims.expm1, expm1OfTen > 22025.465794806719 || expm1OfTen < 22025.4657948067165168);\n\n var origMathRound = Math.round;\n // breaks in e.g. Safari 8, Internet Explorer 11, Opera 12\n var roundHandlesBoundaryConditions = Math.round(0.5 - (Number.EPSILON / 4)) === 0 &&\n Math.round(-0.5 + (Number.EPSILON / 3.99)) === 1;\n\n // When engines use Math.floor(x + 0.5) internally, Math.round can be buggy for large integers.\n // This behavior should be governed by \"round to nearest, ties to even mode\"\n // see http://www.ecma-international.org/ecma-262/6.0/#sec-terms-and-definitions-number-type\n // These are the boundary cases where it breaks.\n var smallestPositiveNumberWhereRoundBreaks = inverseEpsilon + 1;\n var largestPositiveNumberWhereRoundBreaks = (2 * inverseEpsilon) - 1;\n var roundDoesNotIncreaseIntegers = [\n smallestPositiveNumberWhereRoundBreaks,\n largestPositiveNumberWhereRoundBreaks\n ].every(function (num) {\n return Math.round(num) === num;\n });\n defineProperty(Math, 'round', function round(x) {\n var floor = _floor(x);\n var ceil = floor === -1 ? -0 : floor + 1;\n return x - floor < 0.5 ? floor : ceil;\n }, !roundHandlesBoundaryConditions || !roundDoesNotIncreaseIntegers);\n Value.preserveToString(Math.round, origMathRound);\n\n var origImul = Math.imul;\n if (Math.imul(0xffffffff, 5) !== -5) {\n // Safari 6.1, at least, reports \"0\" for this value\n Math.imul = MathShims.imul;\n Value.preserveToString(Math.imul, origImul);\n }\n if (Math.imul.length !== 2) {\n // Safari 8.0.4 has a length of 1\n // fixed in https://bugs.webkit.org/show_bug.cgi?id=143658\n overrideNative(Math, 'imul', function imul(x, y) {\n return ES.Call(origImul, Math, arguments);\n });\n }\n\n // Promises\n // Simplest possible implementation; use a 3rd-party library if you\n // want the best possible speed and/or long stack traces.\n var PromiseShim = (function () {\n var setTimeout = globals.setTimeout;\n // some environments don't have setTimeout - no way to shim here.\n if (typeof setTimeout !== 'function' && typeof setTimeout !== 'object') { return; }\n\n ES.IsPromise = function (promise) {\n if (!ES.TypeIsObject(promise)) {\n return false;\n }\n if (typeof promise._promise === 'undefined') {\n return false; // uninitialized, or missing our hidden field.\n }\n return true;\n };\n\n // \"PromiseCapability\" in the spec is what most promise implementations\n // call a \"deferred\".\n var PromiseCapability = function (C) {\n if (!ES.IsConstructor(C)) {\n throw new TypeError('Bad promise constructor');\n }\n var capability = this;\n var resolver = function (resolve, reject) {\n if (capability.resolve !== void 0 || capability.reject !== void 0) {\n throw new TypeError('Bad Promise implementation!');\n }\n capability.resolve = resolve;\n capability.reject = reject;\n };\n // Initialize fields to inform optimizers about the object shape.\n capability.resolve = void 0;\n capability.reject = void 0;\n capability.promise = new C(resolver);\n if (!(ES.IsCallable(capability.resolve) && ES.IsCallable(capability.reject))) {\n throw new TypeError('Bad promise constructor');\n }\n };\n\n // find an appropriate setImmediate-alike\n var makeZeroTimeout;\n /*global window */\n if (typeof window !== 'undefined' && ES.IsCallable(window.postMessage)) {\n makeZeroTimeout = function () {\n // from http://dbaron.org/log/20100309-faster-timeouts\n var timeouts = [];\n var messageName = 'zero-timeout-message';\n var setZeroTimeout = function (fn) {\n _push(timeouts, fn);\n window.postMessage(messageName, '*');\n };\n var handleMessage = function (event) {\n if (event.source === window && event.data === messageName) {\n event.stopPropagation();\n if (timeouts.length === 0) { return; }\n var fn = _shift(timeouts);\n fn();\n }\n };\n window.addEventListener('message', handleMessage, true);\n return setZeroTimeout;\n };\n }\n var makePromiseAsap = function () {\n // An efficient task-scheduler based on a pre-existing Promise\n // implementation, which we can use even if we override the\n // global Promise below (in order to workaround bugs)\n // https://github.com/Raynos/observ-hash/issues/2#issuecomment-35857671\n var P = globals.Promise;\n var pr = P && P.resolve && P.resolve();\n return pr && function (task) {\n return pr.then(task);\n };\n };\n /*global process */\n /* jscs:disable disallowMultiLineTernary */\n var enqueue = ES.IsCallable(globals.setImmediate) ?\n globals.setImmediate :\n typeof process === 'object' && process.nextTick ? process.nextTick :\n makePromiseAsap() ||\n (ES.IsCallable(makeZeroTimeout) ? makeZeroTimeout() :\n function (task) { setTimeout(task, 0); }); // fallback\n /* jscs:enable disallowMultiLineTernary */\n\n // Constants for Promise implementation\n var PROMISE_IDENTITY = function (x) { return x; };\n var PROMISE_THROWER = function (e) { throw e; };\n var PROMISE_PENDING = 0;\n var PROMISE_FULFILLED = 1;\n var PROMISE_REJECTED = 2;\n // We store fulfill/reject handlers and capabilities in a single array.\n var PROMISE_FULFILL_OFFSET = 0;\n var PROMISE_REJECT_OFFSET = 1;\n var PROMISE_CAPABILITY_OFFSET = 2;\n // This is used in an optimization for chaining promises via then.\n var PROMISE_FAKE_CAPABILITY = {};\n\n var enqueuePromiseReactionJob = function (handler, capability, argument) {\n enqueue(function () {\n promiseReactionJob(handler, capability, argument);\n });\n };\n\n var promiseReactionJob = function (handler, promiseCapability, argument) {\n var handlerResult, f;\n if (promiseCapability === PROMISE_FAKE_CAPABILITY) {\n // Fast case, when we don't actually need to chain through to a\n // (real) promiseCapability.\n return handler(argument);\n }\n try {\n handlerResult = handler(argument);\n f = promiseCapability.resolve;\n } catch (e) {\n handlerResult = e;\n f = promiseCapability.reject;\n }\n f(handlerResult);\n };\n\n var fulfillPromise = function (promise, value) {\n var _promise = promise._promise;\n var length = _promise.reactionLength;\n if (length > 0) {\n enqueuePromiseReactionJob(\n _promise.fulfillReactionHandler0,\n _promise.reactionCapability0,\n value\n );\n _promise.fulfillReactionHandler0 = void 0;\n _promise.rejectReactions0 = void 0;\n _promise.reactionCapability0 = void 0;\n if (length > 1) {\n for (var i = 1, idx = 0; i < length; i++, idx += 3) {\n enqueuePromiseReactionJob(\n _promise[idx + PROMISE_FULFILL_OFFSET],\n _promise[idx + PROMISE_CAPABILITY_OFFSET],\n value\n );\n promise[idx + PROMISE_FULFILL_OFFSET] = void 0;\n promise[idx + PROMISE_REJECT_OFFSET] = void 0;\n promise[idx + PROMISE_CAPABILITY_OFFSET] = void 0;\n }\n }\n }\n _promise.result = value;\n _promise.state = PROMISE_FULFILLED;\n _promise.reactionLength = 0;\n };\n\n var rejectPromise = function (promise, reason) {\n var _promise = promise._promise;\n var length = _promise.reactionLength;\n if (length > 0) {\n enqueuePromiseReactionJob(\n _promise.rejectReactionHandler0,\n _promise.reactionCapability0,\n reason\n );\n _promise.fulfillReactionHandler0 = void 0;\n _promise.rejectReactions0 = void 0;\n _promise.reactionCapability0 = void 0;\n if (length > 1) {\n for (var i = 1, idx = 0; i < length; i++, idx += 3) {\n enqueuePromiseReactionJob(\n _promise[idx + PROMISE_REJECT_OFFSET],\n _promise[idx + PROMISE_CAPABILITY_OFFSET],\n reason\n );\n promise[idx + PROMISE_FULFILL_OFFSET] = void 0;\n promise[idx + PROMISE_REJECT_OFFSET] = void 0;\n promise[idx + PROMISE_CAPABILITY_OFFSET] = void 0;\n }\n }\n }\n _promise.result = reason;\n _promise.state = PROMISE_REJECTED;\n _promise.reactionLength = 0;\n };\n\n var createResolvingFunctions = function (promise) {\n var alreadyResolved = false;\n var resolve = function (resolution) {\n var then;\n if (alreadyResolved) { return; }\n alreadyResolved = true;\n if (resolution === promise) {\n return rejectPromise(promise, new TypeError('Self resolution'));\n }\n if (!ES.TypeIsObject(resolution)) {\n return fulfillPromise(promise, resolution);\n }\n try {\n then = resolution.then;\n } catch (e) {\n return rejectPromise(promise, e);\n }\n if (!ES.IsCallable(then)) {\n return fulfillPromise(promise, resolution);\n }\n enqueue(function () {\n promiseResolveThenableJob(promise, resolution, then);\n });\n };\n var reject = function (reason) {\n if (alreadyResolved) { return; }\n alreadyResolved = true;\n return rejectPromise(promise, reason);\n };\n return { resolve: resolve, reject: reject };\n };\n\n var optimizedThen = function (then, thenable, resolve, reject) {\n // Optimization: since we discard the result, we can pass our\n // own then implementation a special hint to let it know it\n // doesn't have to create it. (The PROMISE_FAKE_CAPABILITY\n // object is local to this implementation and unforgeable outside.)\n if (then === Promise$prototype$then) {\n _call(then, thenable, resolve, reject, PROMISE_FAKE_CAPABILITY);\n } else {\n _call(then, thenable, resolve, reject);\n }\n };\n var promiseResolveThenableJob = function (promise, thenable, then) {\n var resolvingFunctions = createResolvingFunctions(promise);\n var resolve = resolvingFunctions.resolve;\n var reject = resolvingFunctions.reject;\n try {\n optimizedThen(then, thenable, resolve, reject);\n } catch (e) {\n reject(e);\n }\n };\n\n var Promise$prototype, Promise$prototype$then;\n var Promise = (function () {\n var PromiseShim = function Promise(resolver) {\n if (!(this instanceof PromiseShim)) {\n throw new TypeError('Constructor Promise requires \"new\"');\n }\n if (this && this._promise) {\n throw new TypeError('Bad construction');\n }\n // see https://bugs.ecmascript.org/show_bug.cgi?id=2482\n if (!ES.IsCallable(resolver)) {\n throw new TypeError('not a valid resolver');\n }\n var promise = emulateES6construct(this, PromiseShim, Promise$prototype, {\n _promise: {\n result: void 0,\n state: PROMISE_PENDING,\n // The first member of the \"reactions\" array is inlined here,\n // since most promises only have one reaction.\n // We've also exploded the 'reaction' object to inline the\n // \"handler\" and \"capability\" fields, since both fulfill and\n // reject reactions share the same capability.\n reactionLength: 0,\n fulfillReactionHandler0: void 0,\n rejectReactionHandler0: void 0,\n reactionCapability0: void 0\n }\n });\n var resolvingFunctions = createResolvingFunctions(promise);\n var reject = resolvingFunctions.reject;\n try {\n resolver(resolvingFunctions.resolve, reject);\n } catch (e) {\n reject(e);\n }\n return promise;\n };\n return PromiseShim;\n }());\n Promise$prototype = Promise.prototype;\n\n var _promiseAllResolver = function (index, values, capability, remaining) {\n var alreadyCalled = false;\n return function (x) {\n if (alreadyCalled) { return; }\n alreadyCalled = true;\n values[index] = x;\n if ((--remaining.count) === 0) {\n var resolve = capability.resolve;\n resolve(values); // call w/ this===undefined\n }\n };\n };\n\n var performPromiseAll = function (iteratorRecord, C, resultCapability) {\n var it = iteratorRecord.iterator;\n var values = [];\n var remaining = { count: 1 };\n var next, nextValue;\n var index = 0;\n while (true) {\n try {\n next = ES.IteratorStep(it);\n if (next === false) {\n iteratorRecord.done = true;\n break;\n }\n nextValue = next.value;\n } catch (e) {\n iteratorRecord.done = true;\n throw e;\n }\n values[index] = void 0;\n var nextPromise = C.resolve(nextValue);\n var resolveElement = _promiseAllResolver(\n index, values, resultCapability, remaining\n );\n remaining.count += 1;\n optimizedThen(nextPromise.then, nextPromise, resolveElement, resultCapability.reject);\n index += 1;\n }\n if ((--remaining.count) === 0) {\n var resolve = resultCapability.resolve;\n resolve(values); // call w/ this===undefined\n }\n return resultCapability.promise;\n };\n\n var performPromiseRace = function (iteratorRecord, C, resultCapability) {\n var it = iteratorRecord.iterator;\n var next, nextValue, nextPromise;\n while (true) {\n try {\n next = ES.IteratorStep(it);\n if (next === false) {\n // NOTE: If iterable has no items, resulting promise will never\n // resolve; see:\n // https://github.com/domenic/promises-unwrapping/issues/75\n // https://bugs.ecmascript.org/show_bug.cgi?id=2515\n iteratorRecord.done = true;\n break;\n }\n nextValue = next.value;\n } catch (e) {\n iteratorRecord.done = true;\n throw e;\n }\n nextPromise = C.resolve(nextValue);\n optimizedThen(nextPromise.then, nextPromise, resultCapability.resolve, resultCapability.reject);\n }\n return resultCapability.promise;\n };\n\n defineProperties(Promise, {\n all: function all(iterable) {\n var C = this;\n if (!ES.TypeIsObject(C)) {\n throw new TypeError('Promise is not object');\n }\n var capability = new PromiseCapability(C);\n var iterator, iteratorRecord;\n try {\n iterator = ES.GetIterator(iterable);\n iteratorRecord = { iterator: iterator, done: false };\n return performPromiseAll(iteratorRecord, C, capability);\n } catch (e) {\n var exception = e;\n if (iteratorRecord && !iteratorRecord.done) {\n try {\n ES.IteratorClose(iterator, true);\n } catch (ee) {\n exception = ee;\n }\n }\n var reject = capability.reject;\n reject(exception);\n return capability.promise;\n }\n },\n\n race: function race(iterable) {\n var C = this;\n if (!ES.TypeIsObject(C)) {\n throw new TypeError('Promise is not object');\n }\n var capability = new PromiseCapability(C);\n var iterator, iteratorRecord;\n try {\n iterator = ES.GetIterator(iterable);\n iteratorRecord = { iterator: iterator, done: false };\n return performPromiseRace(iteratorRecord, C, capability);\n } catch (e) {\n var exception = e;\n if (iteratorRecord && !iteratorRecord.done) {\n try {\n ES.IteratorClose(iterator, true);\n } catch (ee) {\n exception = ee;\n }\n }\n var reject = capability.reject;\n reject(exception);\n return capability.promise;\n }\n },\n\n reject: function reject(reason) {\n var C = this;\n if (!ES.TypeIsObject(C)) {\n throw new TypeError('Bad promise constructor');\n }\n var capability = new PromiseCapability(C);\n var rejectFunc = capability.reject;\n rejectFunc(reason); // call with this===undefined\n return capability.promise;\n },\n\n resolve: function resolve(v) {\n // See https://esdiscuss.org/topic/fixing-promise-resolve for spec\n var C = this;\n if (!ES.TypeIsObject(C)) {\n throw new TypeError('Bad promise constructor');\n }\n if (ES.IsPromise(v)) {\n var constructor = v.constructor;\n if (constructor === C) {\n return v;\n }\n }\n var capability = new PromiseCapability(C);\n var resolveFunc = capability.resolve;\n resolveFunc(v); // call with this===undefined\n return capability.promise;\n }\n });\n\n defineProperties(Promise$prototype, {\n 'catch': function (onRejected) {\n return this.then(null, onRejected);\n },\n\n then: function then(onFulfilled, onRejected) {\n var promise = this;\n if (!ES.IsPromise(promise)) { throw new TypeError('not a promise'); }\n var C = ES.SpeciesConstructor(promise, Promise);\n var resultCapability;\n var returnValueIsIgnored = arguments.length > 2 && arguments[2] === PROMISE_FAKE_CAPABILITY;\n if (returnValueIsIgnored && C === Promise) {\n resultCapability = PROMISE_FAKE_CAPABILITY;\n } else {\n resultCapability = new PromiseCapability(C);\n }\n // PerformPromiseThen(promise, onFulfilled, onRejected, resultCapability)\n // Note that we've split the 'reaction' object into its two\n // components, \"capabilities\" and \"handler\"\n // \"capabilities\" is always equal to `resultCapability`\n var fulfillReactionHandler = ES.IsCallable(onFulfilled) ? onFulfilled : PROMISE_IDENTITY;\n var rejectReactionHandler = ES.IsCallable(onRejected) ? onRejected : PROMISE_THROWER;\n var _promise = promise._promise;\n var value;\n if (_promise.state === PROMISE_PENDING) {\n if (_promise.reactionLength === 0) {\n _promise.fulfillReactionHandler0 = fulfillReactionHandler;\n _promise.rejectReactionHandler0 = rejectReactionHandler;\n _promise.reactionCapability0 = resultCapability;\n } else {\n var idx = 3 * (_promise.reactionLength - 1);\n _promise[idx + PROMISE_FULFILL_OFFSET] = fulfillReactionHandler;\n _promise[idx + PROMISE_REJECT_OFFSET] = rejectReactionHandler;\n _promise[idx + PROMISE_CAPABILITY_OFFSET] = resultCapability;\n }\n _promise.reactionLength += 1;\n } else if (_promise.state === PROMISE_FULFILLED) {\n value = _promise.result;\n enqueuePromiseReactionJob(\n fulfillReactionHandler, resultCapability, value\n );\n } else if (_promise.state === PROMISE_REJECTED) {\n value = _promise.result;\n enqueuePromiseReactionJob(\n rejectReactionHandler, resultCapability, value\n );\n } else {\n throw new TypeError('unexpected Promise state');\n }\n return resultCapability.promise;\n }\n });\n // This helps the optimizer by ensuring that methods which take\n // capabilities aren't polymorphic.\n PROMISE_FAKE_CAPABILITY = new PromiseCapability(Promise);\n Promise$prototype$then = Promise$prototype.then;\n\n return Promise;\n }());\n\n // Chrome's native Promise has extra methods that it shouldn't have. Let's remove them.\n if (globals.Promise) {\n delete globals.Promise.accept;\n delete globals.Promise.defer;\n delete globals.Promise.prototype.chain;\n }\n\n if (typeof PromiseShim === 'function') {\n // export the Promise constructor.\n defineProperties(globals, { Promise: PromiseShim });\n // In Chrome 33 (and thereabouts) Promise is defined, but the\n // implementation is buggy in a number of ways. Let's check subclassing\n // support to see if we have a buggy implementation.\n var promiseSupportsSubclassing = supportsSubclassing(globals.Promise, function (S) {\n return S.resolve(42).then(function () {}) instanceof S;\n });\n var promiseIgnoresNonFunctionThenCallbacks = !throwsError(function () {\n globals.Promise.reject(42).then(null, 5).then(null, noop);\n });\n var promiseRequiresObjectContext = throwsError(function () { globals.Promise.call(3, noop); });\n // Promise.resolve() was errata'ed late in the ES6 process.\n // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1170742\n // https://code.google.com/p/v8/issues/detail?id=4161\n // It serves as a proxy for a number of other bugs in early Promise\n // implementations.\n var promiseResolveBroken = (function (Promise) {\n var p = Promise.resolve(5);\n p.constructor = {};\n var p2 = Promise.resolve(p);\n try {\n p2.then(null, noop).then(null, noop); // avoid \"uncaught rejection\" warnings in console\n } catch (e) {\n return true; // v8 native Promises break here https://code.google.com/p/chromium/issues/detail?id=575314\n }\n return p === p2; // This *should* be false!\n }(globals.Promise));\n\n // Chrome 46 (probably older too) does not retrieve a thenable's .then synchronously\n var getsThenSynchronously = supportsDescriptors && (function () {\n var count = 0;\n var thenable = Object.defineProperty({}, 'then', { get: function () { count += 1; } });\n Promise.resolve(thenable);\n return count === 1;\n }());\n\n var BadResolverPromise = function BadResolverPromise(executor) {\n var p = new Promise(executor);\n executor(3, function () {});\n this.then = p.then;\n this.constructor = BadResolverPromise;\n };\n BadResolverPromise.prototype = Promise.prototype;\n BadResolverPromise.all = Promise.all;\n // Chrome Canary 49 (probably older too) has some implementation bugs\n var hasBadResolverPromise = valueOrFalseIfThrows(function () {\n return !!BadResolverPromise.all([1, 2]);\n });\n\n if (!promiseSupportsSubclassing || !promiseIgnoresNonFunctionThenCallbacks ||\n !promiseRequiresObjectContext || promiseResolveBroken ||\n !getsThenSynchronously || hasBadResolverPromise) {\n /* globals Promise: true */\n /* eslint-disable no-undef, no-global-assign */\n /* jshint -W020 */\n Promise = PromiseShim;\n /* jshint +W020 */\n /* eslint-enable no-undef, no-global-assign */\n /* globals Promise: false */\n overrideNative(globals, 'Promise', PromiseShim);\n }\n if (Promise.all.length !== 1) {\n var origAll = Promise.all;\n overrideNative(Promise, 'all', function all(iterable) {\n return ES.Call(origAll, this, arguments);\n });\n }\n if (Promise.race.length !== 1) {\n var origRace = Promise.race;\n overrideNative(Promise, 'race', function race(iterable) {\n return ES.Call(origRace, this, arguments);\n });\n }\n if (Promise.resolve.length !== 1) {\n var origResolve = Promise.resolve;\n overrideNative(Promise, 'resolve', function resolve(x) {\n return ES.Call(origResolve, this, arguments);\n });\n }\n if (Promise.reject.length !== 1) {\n var origReject = Promise.reject;\n overrideNative(Promise, 'reject', function reject(r) {\n return ES.Call(origReject, this, arguments);\n });\n }\n ensureEnumerable(Promise, 'all');\n ensureEnumerable(Promise, 'race');\n ensureEnumerable(Promise, 'resolve');\n ensureEnumerable(Promise, 'reject');\n addDefaultSpecies(Promise);\n }\n\n // Map and Set require a true ES5 environment\n // Their fast path also requires that the environment preserve\n // property insertion order, which is not guaranteed by the spec.\n var testOrder = function (a) {\n var b = keys(_reduce(a, function (o, k) {\n o[k] = true;\n return o;\n }, {}));\n return a.join(':') === b.join(':');\n };\n var preservesInsertionOrder = testOrder(['z', 'a', 'bb']);\n // some engines (eg, Chrome) only preserve insertion order for string keys\n var preservesNumericInsertionOrder = testOrder(['z', 1, 'a', '3', 2]);\n\n if (supportsDescriptors) {\n\n var fastkey = function fastkey(key, skipInsertionOrderCheck) {\n if (!skipInsertionOrderCheck && !preservesInsertionOrder) {\n return null;\n }\n if (isNullOrUndefined(key)) {\n return '^' + ES.ToString(key);\n } else if (typeof key === 'string') {\n return '$' + key;\n } else if (typeof key === 'number') {\n // note that -0 will get coerced to \"0\" when used as a property key\n if (!preservesNumericInsertionOrder) {\n return 'n' + key;\n }\n return key;\n } else if (typeof key === 'boolean') {\n return 'b' + key;\n }\n return null;\n };\n\n var emptyObject = function emptyObject() {\n // accomodate some older not-quite-ES5 browsers\n return Object.create ? Object.create(null) : {};\n };\n\n var addIterableToMap = function addIterableToMap(MapConstructor, map, iterable) {\n if (isArray(iterable) || Type.string(iterable)) {\n _forEach(iterable, function (entry) {\n if (!ES.TypeIsObject(entry)) {\n throw new TypeError('Iterator value ' + entry + ' is not an entry object');\n }\n map.set(entry[0], entry[1]);\n });\n } else if (iterable instanceof MapConstructor) {\n _call(MapConstructor.prototype.forEach, iterable, function (value, key) {\n map.set(key, value);\n });\n } else {\n var iter, adder;\n if (!isNullOrUndefined(iterable)) {\n adder = map.set;\n if (!ES.IsCallable(adder)) { throw new TypeError('bad map'); }\n iter = ES.GetIterator(iterable);\n }\n if (typeof iter !== 'undefined') {\n while (true) {\n var next = ES.IteratorStep(iter);\n if (next === false) { break; }\n var nextItem = next.value;\n try {\n if (!ES.TypeIsObject(nextItem)) {\n throw new TypeError('Iterator value ' + nextItem + ' is not an entry object');\n }\n _call(adder, map, nextItem[0], nextItem[1]);\n } catch (e) {\n ES.IteratorClose(iter, true);\n throw e;\n }\n }\n }\n }\n };\n var addIterableToSet = function addIterableToSet(SetConstructor, set, iterable) {\n if (isArray(iterable) || Type.string(iterable)) {\n _forEach(iterable, function (value) {\n set.add(value);\n });\n } else if (iterable instanceof SetConstructor) {\n _call(SetConstructor.prototype.forEach, iterable, function (value) {\n set.add(value);\n });\n } else {\n var iter, adder;\n if (!isNullOrUndefined(iterable)) {\n adder = set.add;\n if (!ES.IsCallable(adder)) { throw new TypeError('bad set'); }\n iter = ES.GetIterator(iterable);\n }\n if (typeof iter !== 'undefined') {\n while (true) {\n var next = ES.IteratorStep(iter);\n if (next === false) { break; }\n var nextValue = next.value;\n try {\n _call(adder, set, nextValue);\n } catch (e) {\n ES.IteratorClose(iter, true);\n throw e;\n }\n }\n }\n }\n };\n\n var collectionShims = {\n Map: (function () {\n\n var empty = {};\n\n var MapEntry = function MapEntry(key, value) {\n this.key = key;\n this.value = value;\n this.next = null;\n this.prev = null;\n };\n\n MapEntry.prototype.isRemoved = function isRemoved() {\n return this.key === empty;\n };\n\n var isMap = function isMap(map) {\n return !!map._es6map;\n };\n\n var requireMapSlot = function requireMapSlot(map, method) {\n if (!ES.TypeIsObject(map) || !isMap(map)) {\n throw new TypeError('Method Map.prototype.' + method + ' called on incompatible receiver ' + ES.ToString(map));\n }\n };\n\n var MapIterator = function MapIterator(map, kind) {\n requireMapSlot(map, '[[MapIterator]]');\n this.head = map._head;\n this.i = this.head;\n this.kind = kind;\n };\n\n MapIterator.prototype = {\n next: function next() {\n var i = this.i;\n var kind = this.kind;\n var head = this.head;\n if (typeof this.i === 'undefined') {\n return iteratorResult();\n }\n while (i.isRemoved() && i !== head) {\n // back up off of removed entries\n i = i.prev;\n }\n // advance to next unreturned element.\n var result;\n while (i.next !== head) {\n i = i.next;\n if (!i.isRemoved()) {\n if (kind === 'key') {\n result = i.key;\n } else if (kind === 'value') {\n result = i.value;\n } else {\n result = [i.key, i.value];\n }\n this.i = i;\n return iteratorResult(result);\n }\n }\n // once the iterator is done, it is done forever.\n this.i = void 0;\n return iteratorResult();\n }\n };\n addIterator(MapIterator.prototype);\n\n var Map$prototype;\n var MapShim = function Map() {\n if (!(this instanceof Map)) {\n throw new TypeError('Constructor Map requires \"new\"');\n }\n if (this && this._es6map) {\n throw new TypeError('Bad construction');\n }\n var map = emulateES6construct(this, Map, Map$prototype, {\n _es6map: true,\n _head: null,\n _map: OrigMap ? new OrigMap() : null,\n _size: 0,\n _storage: emptyObject()\n });\n\n var head = new MapEntry(null, null);\n // circular doubly-linked list.\n /* eslint no-multi-assign: 1 */\n head.next = head.prev = head;\n map._head = head;\n\n // Optionally initialize map from iterable\n if (arguments.length > 0) {\n addIterableToMap(Map, map, arguments[0]);\n }\n return map;\n };\n Map$prototype = MapShim.prototype;\n\n Value.getter(Map$prototype, 'size', function () {\n if (typeof this._size === 'undefined') {\n throw new TypeError('size method called on incompatible Map');\n }\n return this._size;\n });\n\n defineProperties(Map$prototype, {\n get: function get(key) {\n requireMapSlot(this, 'get');\n var entry;\n var fkey = fastkey(key, true);\n if (fkey !== null) {\n // fast O(1) path\n entry = this._storage[fkey];\n if (entry) {\n return entry.value;\n } else {\n return;\n }\n }\n if (this._map) {\n // fast object key path\n entry = origMapGet.call(this._map, key);\n if (entry) {\n return entry.value;\n } else {\n return;\n }\n }\n var head = this._head;\n var i = head;\n while ((i = i.next) !== head) {\n if (ES.SameValueZero(i.key, key)) {\n return i.value;\n }\n }\n },\n\n has: function has(key) {\n requireMapSlot(this, 'has');\n var fkey = fastkey(key, true);\n if (fkey !== null) {\n // fast O(1) path\n return typeof this._storage[fkey] !== 'undefined';\n }\n if (this._map) {\n // fast object key path\n return origMapHas.call(this._map, key);\n }\n var head = this._head;\n var i = head;\n while ((i = i.next) !== head) {\n if (ES.SameValueZero(i.key, key)) {\n return true;\n }\n }\n return false;\n },\n\n set: function set(key, value) {\n requireMapSlot(this, 'set');\n var head = this._head;\n var i = head;\n var entry;\n var fkey = fastkey(key, true);\n if (fkey !== null) {\n // fast O(1) path\n if (typeof this._storage[fkey] !== 'undefined') {\n this._storage[fkey].value = value;\n return this;\n } else {\n entry = this._storage[fkey] = new MapEntry(key, value); /* eslint no-multi-assign: 1 */\n i = head.prev;\n // fall through\n }\n } else if (this._map) {\n // fast object key path\n if (origMapHas.call(this._map, key)) {\n origMapGet.call(this._map, key).value = value;\n } else {\n entry = new MapEntry(key, value);\n origMapSet.call(this._map, key, entry);\n i = head.prev;\n // fall through\n }\n }\n while ((i = i.next) !== head) {\n if (ES.SameValueZero(i.key, key)) {\n i.value = value;\n return this;\n }\n }\n entry = entry || new MapEntry(key, value);\n if (ES.SameValue(-0, key)) {\n entry.key = +0; // coerce -0 to +0 in entry\n }\n entry.next = this._head;\n entry.prev = this._head.prev;\n entry.prev.next = entry;\n entry.next.prev = entry;\n this._size += 1;\n return this;\n },\n\n 'delete': function (key) {\n requireMapSlot(this, 'delete');\n var head = this._head;\n var i = head;\n var fkey = fastkey(key, true);\n if (fkey !== null) {\n // fast O(1) path\n if (typeof this._storage[fkey] === 'undefined') {\n return false;\n }\n i = this._storage[fkey].prev;\n delete this._storage[fkey];\n // fall through\n } else if (this._map) {\n // fast object key path\n if (!origMapHas.call(this._map, key)) {\n return false;\n }\n i = origMapGet.call(this._map, key).prev;\n origMapDelete.call(this._map, key);\n // fall through\n }\n while ((i = i.next) !== head) {\n if (ES.SameValueZero(i.key, key)) {\n i.key = empty;\n i.value = empty;\n i.prev.next = i.next;\n i.next.prev = i.prev;\n this._size -= 1;\n return true;\n }\n }\n return false;\n },\n\n clear: function clear() {\n /* eslint no-multi-assign: 1 */\n requireMapSlot(this, 'clear');\n this._map = OrigMap ? new OrigMap() : null;\n this._size = 0;\n this._storage = emptyObject();\n var head = this._head;\n var i = head;\n var p = i.next;\n while ((i = p) !== head) {\n i.key = empty;\n i.value = empty;\n p = i.next;\n i.next = i.prev = head;\n }\n head.next = head.prev = head;\n },\n\n keys: function keys() {\n requireMapSlot(this, 'keys');\n return new MapIterator(this, 'key');\n },\n\n values: function values() {\n requireMapSlot(this, 'values');\n return new MapIterator(this, 'value');\n },\n\n entries: function entries() {\n requireMapSlot(this, 'entries');\n return new MapIterator(this, 'key+value');\n },\n\n forEach: function forEach(callback) {\n requireMapSlot(this, 'forEach');\n var context = arguments.length > 1 ? arguments[1] : null;\n var it = this.entries();\n for (var entry = it.next(); !entry.done; entry = it.next()) {\n if (context) {\n _call(callback, context, entry.value[1], entry.value[0], this);\n } else {\n callback(entry.value[1], entry.value[0], this);\n }\n }\n }\n });\n addIterator(Map$prototype, Map$prototype.entries);\n\n return MapShim;\n }()),\n\n Set: (function () {\n var isSet = function isSet(set) {\n return set._es6set && typeof set._storage !== 'undefined';\n };\n var requireSetSlot = function requireSetSlot(set, method) {\n if (!ES.TypeIsObject(set) || !isSet(set)) {\n // https://github.com/paulmillr/es6-shim/issues/176\n throw new TypeError('Set.prototype.' + method + ' called on incompatible receiver ' + ES.ToString(set));\n }\n };\n\n // Creating a Map is expensive. To speed up the common case of\n // Sets containing only string or numeric keys, we use an object\n // as backing storage and lazily create a full Map only when\n // required.\n var Set$prototype;\n var SetShim = function Set() {\n if (!(this instanceof Set)) {\n throw new TypeError('Constructor Set requires \"new\"');\n }\n if (this && this._es6set) {\n throw new TypeError('Bad construction');\n }\n var set = emulateES6construct(this, Set, Set$prototype, {\n _es6set: true,\n '[[SetData]]': null,\n _storage: emptyObject()\n });\n if (!set._es6set) {\n throw new TypeError('bad set');\n }\n\n // Optionally initialize Set from iterable\n if (arguments.length > 0) {\n addIterableToSet(Set, set, arguments[0]);\n }\n return set;\n };\n Set$prototype = SetShim.prototype;\n\n var decodeKey = function (key) {\n var k = key;\n if (k === '^null') {\n return null;\n } else if (k === '^undefined') {\n return void 0;\n } else {\n var first = k.charAt(0);\n if (first === '$') {\n return _strSlice(k, 1);\n } else if (first === 'n') {\n return +_strSlice(k, 1);\n } else if (first === 'b') {\n return k === 'btrue';\n }\n }\n return +k;\n };\n // Switch from the object backing storage to a full Map.\n var ensureMap = function ensureMap(set) {\n if (!set['[[SetData]]']) {\n var m = new collectionShims.Map();\n set['[[SetData]]'] = m;\n _forEach(keys(set._storage), function (key) {\n var k = decodeKey(key);\n m.set(k, k);\n });\n set['[[SetData]]'] = m;\n }\n set._storage = null; // free old backing storage\n };\n\n Value.getter(SetShim.prototype, 'size', function () {\n requireSetSlot(this, 'size');\n if (this._storage) {\n return keys(this._storage).length;\n }\n ensureMap(this);\n return this['[[SetData]]'].size;\n });\n\n defineProperties(SetShim.prototype, {\n has: function has(key) {\n requireSetSlot(this, 'has');\n var fkey;\n if (this._storage && (fkey = fastkey(key)) !== null) {\n return !!this._storage[fkey];\n }\n ensureMap(this);\n return this['[[SetData]]'].has(key);\n },\n\n add: function add(key) {\n requireSetSlot(this, 'add');\n var fkey;\n if (this._storage && (fkey = fastkey(key)) !== null) {\n this._storage[fkey] = true;\n return this;\n }\n ensureMap(this);\n this['[[SetData]]'].set(key, key);\n return this;\n },\n\n 'delete': function (key) {\n requireSetSlot(this, 'delete');\n var fkey;\n if (this._storage && (fkey = fastkey(key)) !== null) {\n var hasFKey = _hasOwnProperty(this._storage, fkey);\n return (delete this._storage[fkey]) && hasFKey;\n }\n ensureMap(this);\n return this['[[SetData]]']['delete'](key);\n },\n\n clear: function clear() {\n requireSetSlot(this, 'clear');\n if (this._storage) {\n this._storage = emptyObject();\n }\n if (this['[[SetData]]']) {\n this['[[SetData]]'].clear();\n }\n },\n\n values: function values() {\n requireSetSlot(this, 'values');\n ensureMap(this);\n return this['[[SetData]]'].values();\n },\n\n entries: function entries() {\n requireSetSlot(this, 'entries');\n ensureMap(this);\n return this['[[SetData]]'].entries();\n },\n\n forEach: function forEach(callback) {\n requireSetSlot(this, 'forEach');\n var context = arguments.length > 1 ? arguments[1] : null;\n var entireSet = this;\n ensureMap(entireSet);\n this['[[SetData]]'].forEach(function (value, key) {\n if (context) {\n _call(callback, context, key, key, entireSet);\n } else {\n callback(key, key, entireSet);\n }\n });\n }\n });\n defineProperty(SetShim.prototype, 'keys', SetShim.prototype.values, true);\n addIterator(SetShim.prototype, SetShim.prototype.values);\n\n return SetShim;\n }())\n };\n\n if (globals.Map || globals.Set) {\n // Safari 8, for example, doesn't accept an iterable.\n var mapAcceptsArguments = valueOrFalseIfThrows(function () { return new Map([[1, 2]]).get(1) === 2; });\n if (!mapAcceptsArguments) {\n globals.Map = function Map() {\n if (!(this instanceof Map)) {\n throw new TypeError('Constructor Map requires \"new\"');\n }\n var m = new OrigMap();\n if (arguments.length > 0) {\n addIterableToMap(Map, m, arguments[0]);\n }\n delete m.constructor;\n Object.setPrototypeOf(m, globals.Map.prototype);\n return m;\n };\n globals.Map.prototype = create(OrigMap.prototype);\n defineProperty(globals.Map.prototype, 'constructor', globals.Map, true);\n Value.preserveToString(globals.Map, OrigMap);\n }\n var testMap = new Map();\n var mapUsesSameValueZero = (function () {\n // Chrome 38-42, node 0.11/0.12, iojs 1/2 also have a bug when the Map has a size > 4\n var m = new Map([[1, 0], [2, 0], [3, 0], [4, 0]]);\n m.set(-0, m);\n return m.get(0) === m && m.get(-0) === m && m.has(0) && m.has(-0);\n }());\n var mapSupportsChaining = testMap.set(1, 2) === testMap;\n if (!mapUsesSameValueZero || !mapSupportsChaining) {\n overrideNative(Map.prototype, 'set', function set(k, v) {\n _call(origMapSet, this, k === 0 ? 0 : k, v);\n return this;\n });\n }\n if (!mapUsesSameValueZero) {\n defineProperties(Map.prototype, {\n get: function get(k) {\n return _call(origMapGet, this, k === 0 ? 0 : k);\n },\n has: function has(k) {\n return _call(origMapHas, this, k === 0 ? 0 : k);\n }\n }, true);\n Value.preserveToString(Map.prototype.get, origMapGet);\n Value.preserveToString(Map.prototype.has, origMapHas);\n }\n var testSet = new Set();\n var setUsesSameValueZero = (function (s) {\n s['delete'](0);\n s.add(-0);\n return !s.has(0);\n }(testSet));\n var setSupportsChaining = testSet.add(1) === testSet;\n if (!setUsesSameValueZero || !setSupportsChaining) {\n var origSetAdd = Set.prototype.add;\n Set.prototype.add = function add(v) {\n _call(origSetAdd, this, v === 0 ? 0 : v);\n return this;\n };\n Value.preserveToString(Set.prototype.add, origSetAdd);\n }\n if (!setUsesSameValueZero) {\n var origSetHas = Set.prototype.has;\n Set.prototype.has = function has(v) {\n return _call(origSetHas, this, v === 0 ? 0 : v);\n };\n Value.preserveToString(Set.prototype.has, origSetHas);\n var origSetDel = Set.prototype['delete'];\n Set.prototype['delete'] = function SetDelete(v) {\n return _call(origSetDel, this, v === 0 ? 0 : v);\n };\n Value.preserveToString(Set.prototype['delete'], origSetDel);\n }\n var mapSupportsSubclassing = supportsSubclassing(globals.Map, function (M) {\n var m = new M([]);\n // Firefox 32 is ok with the instantiating the subclass but will\n // throw when the map is used.\n m.set(42, 42);\n return m instanceof M;\n });\n // without Object.setPrototypeOf, subclassing is not possible\n var mapFailsToSupportSubclassing = Object.setPrototypeOf && !mapSupportsSubclassing;\n var mapRequiresNew = (function () {\n try {\n return !(globals.Map() instanceof globals.Map);\n } catch (e) {\n return e instanceof TypeError;\n }\n }());\n if (globals.Map.length !== 0 || mapFailsToSupportSubclassing || !mapRequiresNew) {\n globals.Map = function Map() {\n if (!(this instanceof Map)) {\n throw new TypeError('Constructor Map requires \"new\"');\n }\n var m = new OrigMap();\n if (arguments.length > 0) {\n addIterableToMap(Map, m, arguments[0]);\n }\n delete m.constructor;\n Object.setPrototypeOf(m, Map.prototype);\n return m;\n };\n globals.Map.prototype = OrigMap.prototype;\n defineProperty(globals.Map.prototype, 'constructor', globals.Map, true);\n Value.preserveToString(globals.Map, OrigMap);\n }\n var setSupportsSubclassing = supportsSubclassing(globals.Set, function (S) {\n var s = new S([]);\n s.add(42, 42);\n return s instanceof S;\n });\n // without Object.setPrototypeOf, subclassing is not possible\n var setFailsToSupportSubclassing = Object.setPrototypeOf && !setSupportsSubclassing;\n var setRequiresNew = (function () {\n try {\n return !(globals.Set() instanceof globals.Set);\n } catch (e) {\n return e instanceof TypeError;\n }\n }());\n if (globals.Set.length !== 0 || setFailsToSupportSubclassing || !setRequiresNew) {\n var OrigSet = globals.Set;\n globals.Set = function Set() {\n if (!(this instanceof Set)) {\n throw new TypeError('Constructor Set requires \"new\"');\n }\n var s = new OrigSet();\n if (arguments.length > 0) {\n addIterableToSet(Set, s, arguments[0]);\n }\n delete s.constructor;\n Object.setPrototypeOf(s, Set.prototype);\n return s;\n };\n globals.Set.prototype = OrigSet.prototype;\n defineProperty(globals.Set.prototype, 'constructor', globals.Set, true);\n Value.preserveToString(globals.Set, OrigSet);\n }\n var newMap = new globals.Map();\n var mapIterationThrowsStopIterator = !valueOrFalseIfThrows(function () {\n return newMap.keys().next().done;\n });\n /*\n - In Firefox < 23, Map#size is a function.\n - In all current Firefox, Set#entries/keys/values & Map#clear do not exist\n - https://bugzilla.mozilla.org/show_bug.cgi?id=869996\n - In Firefox 24, Map and Set do not implement forEach\n - In Firefox 25 at least, Map and Set are callable without \"new\"\n */\n if (\n typeof globals.Map.prototype.clear !== 'function' ||\n new globals.Set().size !== 0 ||\n newMap.size !== 0 ||\n typeof globals.Map.prototype.keys !== 'function' ||\n typeof globals.Set.prototype.keys !== 'function' ||\n typeof globals.Map.prototype.forEach !== 'function' ||\n typeof globals.Set.prototype.forEach !== 'function' ||\n isCallableWithoutNew(globals.Map) ||\n isCallableWithoutNew(globals.Set) ||\n typeof newMap.keys().next !== 'function' || // Safari 8\n mapIterationThrowsStopIterator || // Firefox 25\n !mapSupportsSubclassing\n ) {\n defineProperties(globals, {\n Map: collectionShims.Map,\n Set: collectionShims.Set\n }, true);\n }\n\n if (globals.Set.prototype.keys !== globals.Set.prototype.values) {\n // Fixed in WebKit with https://bugs.webkit.org/show_bug.cgi?id=144190\n defineProperty(globals.Set.prototype, 'keys', globals.Set.prototype.values, true);\n }\n\n // Shim incomplete iterator implementations.\n addIterator(Object.getPrototypeOf((new globals.Map()).keys()));\n addIterator(Object.getPrototypeOf((new globals.Set()).keys()));\n\n if (functionsHaveNames && globals.Set.prototype.has.name !== 'has') {\n // Microsoft Edge v0.11.10074.0 is missing a name on Set#has\n var anonymousSetHas = globals.Set.prototype.has;\n overrideNative(globals.Set.prototype, 'has', function has(key) {\n return _call(anonymousSetHas, this, key);\n });\n }\n }\n defineProperties(globals, collectionShims);\n addDefaultSpecies(globals.Map);\n addDefaultSpecies(globals.Set);\n }\n\n var throwUnlessTargetIsObject = function throwUnlessTargetIsObject(target) {\n if (!ES.TypeIsObject(target)) {\n throw new TypeError('target must be an object');\n }\n };\n\n // Some Reflect methods are basically the same as\n // those on the Object global, except that a TypeError is thrown if\n // target isn't an object. As well as returning a boolean indicating\n // the success of the operation.\n var ReflectShims = {\n // Apply method in a functional form.\n apply: function apply() {\n return ES.Call(ES.Call, null, arguments);\n },\n\n // New operator in a functional form.\n construct: function construct(constructor, args) {\n if (!ES.IsConstructor(constructor)) {\n throw new TypeError('First argument must be a constructor.');\n }\n var newTarget = arguments.length > 2 ? arguments[2] : constructor;\n if (!ES.IsConstructor(newTarget)) {\n throw new TypeError('new.target must be a constructor.');\n }\n return ES.Construct(constructor, args, newTarget, 'internal');\n },\n\n // When deleting a non-existent or configurable property,\n // true is returned.\n // When attempting to delete a non-configurable property,\n // it will return false.\n deleteProperty: function deleteProperty(target, key) {\n throwUnlessTargetIsObject(target);\n if (supportsDescriptors) {\n var desc = Object.getOwnPropertyDescriptor(target, key);\n\n if (desc && !desc.configurable) {\n return false;\n }\n }\n\n // Will return true.\n return delete target[key];\n },\n\n has: function has(target, key) {\n throwUnlessTargetIsObject(target);\n return key in target;\n }\n };\n\n if (Object.getOwnPropertyNames) {\n Object.assign(ReflectShims, {\n // Basically the result of calling the internal [[OwnPropertyKeys]].\n // Concatenating propertyNames and propertySymbols should do the trick.\n // This should continue to work together with a Symbol shim\n // which overrides Object.getOwnPropertyNames and implements\n // Object.getOwnPropertySymbols.\n ownKeys: function ownKeys(target) {\n throwUnlessTargetIsObject(target);\n var keys = Object.getOwnPropertyNames(target);\n\n if (ES.IsCallable(Object.getOwnPropertySymbols)) {\n _pushApply(keys, Object.getOwnPropertySymbols(target));\n }\n\n return keys;\n }\n });\n }\n\n var callAndCatchException = function ConvertExceptionToBoolean(func) {\n return !throwsError(func);\n };\n\n if (Object.preventExtensions) {\n Object.assign(ReflectShims, {\n isExtensible: function isExtensible(target) {\n throwUnlessTargetIsObject(target);\n return Object.isExtensible(target);\n },\n preventExtensions: function preventExtensions(target) {\n throwUnlessTargetIsObject(target);\n return callAndCatchException(function () {\n Object.preventExtensions(target);\n });\n }\n });\n }\n\n if (supportsDescriptors) {\n var internalGet = function get(target, key, receiver) {\n var desc = Object.getOwnPropertyDescriptor(target, key);\n\n if (!desc) {\n var parent = Object.getPrototypeOf(target);\n\n if (parent === null) {\n return void 0;\n }\n\n return internalGet(parent, key, receiver);\n }\n\n if ('value' in desc) {\n return desc.value;\n }\n\n if (desc.get) {\n return ES.Call(desc.get, receiver);\n }\n\n return void 0;\n };\n\n var internalSet = function set(target, key, value, receiver) {\n var desc = Object.getOwnPropertyDescriptor(target, key);\n\n if (!desc) {\n var parent = Object.getPrototypeOf(target);\n\n if (parent !== null) {\n return internalSet(parent, key, value, receiver);\n }\n\n desc = {\n value: void 0,\n writable: true,\n enumerable: true,\n configurable: true\n };\n }\n\n if ('value' in desc) {\n if (!desc.writable) {\n return false;\n }\n\n if (!ES.TypeIsObject(receiver)) {\n return false;\n }\n\n var existingDesc = Object.getOwnPropertyDescriptor(receiver, key);\n\n if (existingDesc) {\n return Reflect.defineProperty(receiver, key, {\n value: value\n });\n } else {\n return Reflect.defineProperty(receiver, key, {\n value: value,\n writable: true,\n enumerable: true,\n configurable: true\n });\n }\n }\n\n if (desc.set) {\n _call(desc.set, receiver, value);\n return true;\n }\n\n return false;\n };\n\n Object.assign(ReflectShims, {\n defineProperty: function defineProperty(target, propertyKey, attributes) {\n throwUnlessTargetIsObject(target);\n return callAndCatchException(function () {\n Object.defineProperty(target, propertyKey, attributes);\n });\n },\n\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {\n throwUnlessTargetIsObject(target);\n return Object.getOwnPropertyDescriptor(target, propertyKey);\n },\n\n // Syntax in a functional form.\n get: function get(target, key) {\n throwUnlessTargetIsObject(target);\n var receiver = arguments.length > 2 ? arguments[2] : target;\n\n return internalGet(target, key, receiver);\n },\n\n set: function set(target, key, value) {\n throwUnlessTargetIsObject(target);\n var receiver = arguments.length > 3 ? arguments[3] : target;\n\n return internalSet(target, key, value, receiver);\n }\n });\n }\n\n if (Object.getPrototypeOf) {\n var objectDotGetPrototypeOf = Object.getPrototypeOf;\n ReflectShims.getPrototypeOf = function getPrototypeOf(target) {\n throwUnlessTargetIsObject(target);\n return objectDotGetPrototypeOf(target);\n };\n }\n\n if (Object.setPrototypeOf && ReflectShims.getPrototypeOf) {\n var willCreateCircularPrototype = function (object, lastProto) {\n var proto = lastProto;\n while (proto) {\n if (object === proto) {\n return true;\n }\n proto = ReflectShims.getPrototypeOf(proto);\n }\n return false;\n };\n\n Object.assign(ReflectShims, {\n // Sets the prototype of the given object.\n // Returns true on success, otherwise false.\n setPrototypeOf: function setPrototypeOf(object, proto) {\n throwUnlessTargetIsObject(object);\n if (proto !== null && !ES.TypeIsObject(proto)) {\n throw new TypeError('proto must be an object or null');\n }\n\n // If they already are the same, we're done.\n if (proto === Reflect.getPrototypeOf(object)) {\n return true;\n }\n\n // Cannot alter prototype if object not extensible.\n if (Reflect.isExtensible && !Reflect.isExtensible(object)) {\n return false;\n }\n\n // Ensure that we do not create a circular prototype chain.\n if (willCreateCircularPrototype(object, proto)) {\n return false;\n }\n\n Object.setPrototypeOf(object, proto);\n\n return true;\n }\n });\n }\n var defineOrOverrideReflectProperty = function (key, shim) {\n if (!ES.IsCallable(globals.Reflect[key])) {\n defineProperty(globals.Reflect, key, shim);\n } else {\n var acceptsPrimitives = valueOrFalseIfThrows(function () {\n globals.Reflect[key](1);\n globals.Reflect[key](NaN);\n globals.Reflect[key](true);\n return true;\n });\n if (acceptsPrimitives) {\n overrideNative(globals.Reflect, key, shim);\n }\n }\n };\n Object.keys(ReflectShims).forEach(function (key) {\n defineOrOverrideReflectProperty(key, ReflectShims[key]);\n });\n var originalReflectGetProto = globals.Reflect.getPrototypeOf;\n if (functionsHaveNames && originalReflectGetProto && originalReflectGetProto.name !== 'getPrototypeOf') {\n overrideNative(globals.Reflect, 'getPrototypeOf', function getPrototypeOf(target) {\n return _call(originalReflectGetProto, globals.Reflect, target);\n });\n }\n if (globals.Reflect.setPrototypeOf) {\n if (valueOrFalseIfThrows(function () {\n globals.Reflect.setPrototypeOf(1, {});\n return true;\n })) {\n overrideNative(globals.Reflect, 'setPrototypeOf', ReflectShims.setPrototypeOf);\n }\n }\n if (globals.Reflect.defineProperty) {\n if (!valueOrFalseIfThrows(function () {\n var basic = !globals.Reflect.defineProperty(1, 'test', { value: 1 });\n // \"extensible\" fails on Edge 0.12\n var extensible = typeof Object.preventExtensions !== 'function' || !globals.Reflect.defineProperty(Object.preventExtensions({}), 'test', {});\n return basic && extensible;\n })) {\n overrideNative(globals.Reflect, 'defineProperty', ReflectShims.defineProperty);\n }\n }\n if (globals.Reflect.construct) {\n if (!valueOrFalseIfThrows(function () {\n var F = function F() {};\n return globals.Reflect.construct(function () {}, [], F) instanceof F;\n })) {\n overrideNative(globals.Reflect, 'construct', ReflectShims.construct);\n }\n }\n\n if (String(new Date(NaN)) !== 'Invalid Date') {\n var dateToString = Date.prototype.toString;\n var shimmedDateToString = function toString() {\n var valueOf = +this;\n if (valueOf !== valueOf) {\n return 'Invalid Date';\n }\n return ES.Call(dateToString, this);\n };\n overrideNative(Date.prototype, 'toString', shimmedDateToString);\n }\n\n // Annex B HTML methods\n // http://www.ecma-international.org/ecma-262/6.0/#sec-additional-properties-of-the-string.prototype-object\n var stringHTMLshims = {\n anchor: function anchor(name) { return ES.CreateHTML(this, 'a', 'name', name); },\n big: function big() { return ES.CreateHTML(this, 'big', '', ''); },\n blink: function blink() { return ES.CreateHTML(this, 'blink', '', ''); },\n bold: function bold() { return ES.CreateHTML(this, 'b', '', ''); },\n fixed: function fixed() { return ES.CreateHTML(this, 'tt', '', ''); },\n fontcolor: function fontcolor(color) { return ES.CreateHTML(this, 'font', 'color', color); },\n fontsize: function fontsize(size) { return ES.CreateHTML(this, 'font', 'size', size); },\n italics: function italics() { return ES.CreateHTML(this, 'i', '', ''); },\n link: function link(url) { return ES.CreateHTML(this, 'a', 'href', url); },\n small: function small() { return ES.CreateHTML(this, 'small', '', ''); },\n strike: function strike() { return ES.CreateHTML(this, 'strike', '', ''); },\n sub: function sub() { return ES.CreateHTML(this, 'sub', '', ''); },\n sup: function sub() { return ES.CreateHTML(this, 'sup', '', ''); }\n };\n _forEach(Object.keys(stringHTMLshims), function (key) {\n var method = String.prototype[key];\n var shouldOverwrite = false;\n if (ES.IsCallable(method)) {\n var output = _call(method, '', ' \" ');\n var quotesCount = _concat([], output.match(/\"/g)).length;\n shouldOverwrite = output !== output.toLowerCase() || quotesCount > 2;\n } else {\n shouldOverwrite = true;\n }\n if (shouldOverwrite) {\n overrideNative(String.prototype, key, stringHTMLshims[key]);\n }\n });\n\n var JSONstringifiesSymbols = (function () {\n // Microsoft Edge v0.12 stringifies Symbols incorrectly\n if (!hasSymbols) { return false; } // Symbols are not supported\n var stringify = typeof JSON === 'object' && typeof JSON.stringify === 'function' ? JSON.stringify : null;\n if (!stringify) { return false; } // JSON.stringify is not supported\n if (typeof stringify(Symbol()) !== 'undefined') { return true; } // Symbols should become `undefined`\n if (stringify([Symbol()]) !== '[null]') { return true; } // Symbols in arrays should become `null`\n var obj = { a: Symbol() };\n obj[Symbol()] = true;\n if (stringify(obj) !== '{}') { return true; } // Symbol-valued keys *and* Symbol-valued properties should be omitted\n return false;\n }());\n var JSONstringifyAcceptsObjectSymbol = valueOrFalseIfThrows(function () {\n // Chrome 45 throws on stringifying object symbols\n if (!hasSymbols) { return true; } // Symbols are not supported\n return JSON.stringify(Object(Symbol())) === '{}' && JSON.stringify([Object(Symbol())]) === '[{}]';\n });\n if (JSONstringifiesSymbols || !JSONstringifyAcceptsObjectSymbol) {\n var origStringify = JSON.stringify;\n overrideNative(JSON, 'stringify', function stringify(value) {\n if (typeof value === 'symbol') { return; }\n var replacer;\n if (arguments.length > 1) {\n replacer = arguments[1];\n }\n var args = [value];\n if (!isArray(replacer)) {\n var replaceFn = ES.IsCallable(replacer) ? replacer : null;\n var wrappedReplacer = function (key, val) {\n var parsedValue = replaceFn ? _call(replaceFn, this, key, val) : val;\n if (typeof parsedValue !== 'symbol') {\n if (Type.symbol(parsedValue)) {\n return assignTo({})(parsedValue);\n } else {\n return parsedValue;\n }\n }\n };\n args.push(wrappedReplacer);\n } else {\n // create wrapped replacer that handles an array replacer?\n args.push(replacer);\n }\n if (arguments.length > 2) {\n args.push(arguments[2]);\n }\n return origStringify.apply(this, args);\n });\n }\n\n return globals;\n}));\n","/*!\n * https://github.com/es-shims/es5-shim\n * @license es5-shim Copyright 2009-2015 by contributors, MIT License\n * see https://github.com/es-shims/es5-shim/blob/master/LICENSE\n */\n\n// vim: ts=4 sts=4 sw=4 expandtab\n\n// Add semicolon to prevent IIFE from being passed as argument to concatenated code.\n;\n\n// UMD (Universal Module Definition)\n// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js\n(function (root, factory) {\n 'use strict';\n\n /* global define, exports, module */\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory);\n } else if (typeof exports === 'object') {\n // Node. Does not work with strict CommonJS, but\n // only CommonJS-like enviroments that support module.exports,\n // like Node.\n module.exports = factory();\n } else {\n // Browser globals (root is window)\n root.returnExports = factory();\n }\n}(this, function () {\n\n var call = Function.call;\n var prototypeOfObject = Object.prototype;\n var owns = call.bind(prototypeOfObject.hasOwnProperty);\n var isEnumerable = call.bind(prototypeOfObject.propertyIsEnumerable);\n var toStr = call.bind(prototypeOfObject.toString);\n\n // If JS engine supports accessors creating shortcuts.\n var defineGetter;\n var defineSetter;\n var lookupGetter;\n var lookupSetter;\n var supportsAccessors = owns(prototypeOfObject, '__defineGetter__');\n if (supportsAccessors) {\n /* eslint-disable no-underscore-dangle, no-restricted-properties */\n defineGetter = call.bind(prototypeOfObject.__defineGetter__);\n defineSetter = call.bind(prototypeOfObject.__defineSetter__);\n lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);\n lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);\n /* eslint-enable no-underscore-dangle, no-restricted-properties */\n }\n\n var isPrimitive = function isPrimitive(o) {\n return o == null || (typeof o !== 'object' && typeof o !== 'function');\n };\n\n // ES5 15.2.3.2\n // http://es5.github.com/#x15.2.3.2\n if (!Object.getPrototypeOf) {\n // https://github.com/es-shims/es5-shim/issues#issue/2\n // http://ejohn.org/blog/objectgetprototypeof/\n // recommended by fschaefer on github\n //\n // sure, and webreflection says ^_^\n // ... this will nerever possibly return null\n // ... Opera Mini breaks here with infinite loops\n Object.getPrototypeOf = function getPrototypeOf(object) {\n // eslint-disable-next-line no-proto\n var proto = object.__proto__;\n if (proto || proto === null) {\n return proto;\n } else if (toStr(object.constructor) === '[object Function]') {\n return object.constructor.prototype;\n } else if (object instanceof Object) {\n return prototypeOfObject;\n } else {\n // Correctly return null for Objects created with `Object.create(null)`\n // (shammed or native) or `{ __proto__: null}`. Also returns null for\n // cross-realm objects on browsers that lack `__proto__` support (like\n // IE <11), but that's the best we can do.\n return null;\n }\n };\n }\n\n // ES5 15.2.3.3\n // http://es5.github.com/#x15.2.3.3\n\n var doesGetOwnPropertyDescriptorWork = function doesGetOwnPropertyDescriptorWork(object) {\n try {\n object.sentinel = 0;\n return Object.getOwnPropertyDescriptor(object, 'sentinel').value === 0;\n } catch (exception) {\n return false;\n }\n };\n\n // check whether getOwnPropertyDescriptor works if it's given. Otherwise, shim partially.\n if (Object.defineProperty) {\n var getOwnPropertyDescriptorWorksOnObject = doesGetOwnPropertyDescriptorWork({});\n var getOwnPropertyDescriptorWorksOnDom = typeof document === 'undefined'\n || doesGetOwnPropertyDescriptorWork(document.createElement('div'));\n if (!getOwnPropertyDescriptorWorksOnDom || !getOwnPropertyDescriptorWorksOnObject) {\n var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;\n }\n }\n\n if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {\n var ERR_NON_OBJECT = 'Object.getOwnPropertyDescriptor called on a non-object: ';\n\n /* eslint-disable no-proto */\n Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {\n if (isPrimitive(object)) {\n throw new TypeError(ERR_NON_OBJECT + object);\n }\n\n // make a valiant attempt to use the real getOwnPropertyDescriptor\n // for I8's DOM elements.\n if (getOwnPropertyDescriptorFallback) {\n try {\n return getOwnPropertyDescriptorFallback.call(Object, object, property);\n } catch (exception) {\n // try the shim if the real one doesn't work\n }\n }\n\n var descriptor;\n\n // If object does not owns property return undefined immediately.\n if (!owns(object, property)) {\n return descriptor;\n }\n\n // If object has a property then it's for sure `configurable`, and\n // probably `enumerable`. Detect enumerability though.\n descriptor = {\n enumerable: isEnumerable(object, property),\n configurable: true\n };\n\n // If JS engine supports accessor properties then property may be a\n // getter or setter.\n if (supportsAccessors) {\n // Unfortunately `__lookupGetter__` will return a getter even\n // if object has own non getter property along with a same named\n // inherited getter. To avoid misbehavior we temporary remove\n // `__proto__` so that `__lookupGetter__` will return getter only\n // if it's owned by an object.\n var prototype = object.__proto__;\n var notPrototypeOfObject = object !== prototypeOfObject;\n // avoid recursion problem, breaking in Opera Mini when\n // Object.getOwnPropertyDescriptor(Object.prototype, 'toString')\n // or any other Object.prototype accessor\n if (notPrototypeOfObject) {\n object.__proto__ = prototypeOfObject;\n }\n\n var getter = lookupGetter(object, property);\n var setter = lookupSetter(object, property);\n\n if (notPrototypeOfObject) {\n // Once we have getter and setter we can put values back.\n object.__proto__ = prototype;\n }\n\n if (getter || setter) {\n if (getter) {\n descriptor.get = getter;\n }\n if (setter) {\n descriptor.set = setter;\n }\n // If it was accessor property we're done and return here\n // in order to avoid adding `value` to the descriptor.\n return descriptor;\n }\n }\n\n // If we got this far we know that object has an own property that is\n // not an accessor so we set it as a value and return descriptor.\n descriptor.value = object[property];\n descriptor.writable = true;\n return descriptor;\n };\n /* eslint-enable no-proto */\n }\n\n // ES5 15.2.3.4\n // http://es5.github.com/#x15.2.3.4\n if (!Object.getOwnPropertyNames) {\n Object.getOwnPropertyNames = function getOwnPropertyNames(object) {\n return Object.keys(object);\n };\n }\n\n // ES5 15.2.3.5\n // http://es5.github.com/#x15.2.3.5\n if (!Object.create) {\n\n // Contributed by Brandon Benvie, October, 2012\n var createEmpty;\n var supportsProto = !({ __proto__: null } instanceof Object);\n // the following produces false positives\n // in Opera Mini => not a reliable check\n // Object.prototype.__proto__ === null\n\n // Check for document.domain and active x support\n // No need to use active x approach when document.domain is not set\n // see https://github.com/es-shims/es5-shim/issues/150\n // variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346\n /* global ActiveXObject */\n var shouldUseActiveX = function shouldUseActiveX() {\n // return early if document.domain not set\n if (!document.domain) {\n return false;\n }\n\n try {\n return !!new ActiveXObject('htmlfile');\n } catch (exception) {\n return false;\n }\n };\n\n // This supports IE8 when document.domain is used\n // see https://github.com/es-shims/es5-shim/issues/150\n // variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346\n var getEmptyViaActiveX = function getEmptyViaActiveX() {\n var empty;\n var xDoc;\n\n xDoc = new ActiveXObject('htmlfile');\n\n var script = 'script';\n xDoc.write('<' + script + '></' + script + '>');\n xDoc.close();\n\n empty = xDoc.parentWindow.Object.prototype;\n xDoc = null;\n\n return empty;\n };\n\n // The original implementation using an iframe\n // before the activex approach was added\n // see https://github.com/es-shims/es5-shim/issues/150\n var getEmptyViaIFrame = function getEmptyViaIFrame() {\n var iframe = document.createElement('iframe');\n var parent = document.body || document.documentElement;\n var empty;\n\n iframe.style.display = 'none';\n parent.appendChild(iframe);\n // eslint-disable-next-line no-script-url\n iframe.src = 'javascript:';\n\n empty = iframe.contentWindow.Object.prototype;\n parent.removeChild(iframe);\n iframe = null;\n\n return empty;\n };\n\n /* global document */\n if (supportsProto || typeof document === 'undefined') {\n createEmpty = function () {\n return { __proto__: null };\n };\n } else {\n // In old IE __proto__ can't be used to manually set `null`, nor does\n // any other method exist to make an object that inherits from nothing,\n // aside from Object.prototype itself. Instead, create a new global\n // object and *steal* its Object.prototype and strip it bare. This is\n // used as the prototype to create nullary objects.\n createEmpty = function () {\n // Determine which approach to use\n // see https://github.com/es-shims/es5-shim/issues/150\n var empty = shouldUseActiveX() ? getEmptyViaActiveX() : getEmptyViaIFrame();\n\n delete empty.constructor;\n delete empty.hasOwnProperty;\n delete empty.propertyIsEnumerable;\n delete empty.isPrototypeOf;\n delete empty.toLocaleString;\n delete empty.toString;\n delete empty.valueOf;\n\n var Empty = function Empty() {};\n Empty.prototype = empty;\n // short-circuit future calls\n createEmpty = function () {\n return new Empty();\n };\n return new Empty();\n };\n }\n\n Object.create = function create(prototype, properties) {\n\n var object;\n var Type = function Type() {}; // An empty constructor.\n\n if (prototype === null) {\n object = createEmpty();\n } else {\n if (prototype !== null && isPrimitive(prototype)) {\n // In the native implementation `parent` can be `null`\n // OR *any* `instanceof Object` (Object|Function|Array|RegExp|etc)\n // Use `typeof` tho, b/c in old IE, DOM elements are not `instanceof Object`\n // like they are in modern browsers. Using `Object.create` on DOM elements\n // is...err...probably inappropriate, but the native version allows for it.\n throw new TypeError('Object prototype may only be an Object or null'); // same msg as Chrome\n }\n Type.prototype = prototype;\n object = new Type();\n // IE has no built-in implementation of `Object.getPrototypeOf`\n // neither `__proto__`, but this manually setting `__proto__` will\n // guarantee that `Object.getPrototypeOf` will work as expected with\n // objects created using `Object.create`\n // eslint-disable-next-line no-proto\n object.__proto__ = prototype;\n }\n\n if (properties !== void 0) {\n Object.defineProperties(object, properties);\n }\n\n return object;\n };\n }\n\n // ES5 15.2.3.6\n // http://es5.github.com/#x15.2.3.6\n\n // Patch for WebKit and IE8 standard mode\n // Designed by hax <hax.github.com>\n // related issue: https://github.com/es-shims/es5-shim/issues#issue/5\n // IE8 Reference:\n // http://msdn.microsoft.com/en-us/library/dd282900.aspx\n // http://msdn.microsoft.com/en-us/library/dd229916.aspx\n // WebKit Bugs:\n // https://bugs.webkit.org/show_bug.cgi?id=36423\n\n var doesDefinePropertyWork = function doesDefinePropertyWork(object) {\n try {\n Object.defineProperty(object, 'sentinel', {});\n return 'sentinel' in object;\n } catch (exception) {\n return false;\n }\n };\n\n // check whether defineProperty works if it's given. Otherwise,\n // shim partially.\n if (Object.defineProperty) {\n var definePropertyWorksOnObject = doesDefinePropertyWork({});\n var definePropertyWorksOnDom = typeof document === 'undefined'\n || doesDefinePropertyWork(document.createElement('div'));\n if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {\n var definePropertyFallback = Object.defineProperty,\n definePropertiesFallback = Object.defineProperties;\n }\n }\n\n if (!Object.defineProperty || definePropertyFallback) {\n var ERR_NON_OBJECT_DESCRIPTOR = 'Property description must be an object: ';\n var ERR_NON_OBJECT_TARGET = 'Object.defineProperty called on non-object: ';\n var ERR_ACCESSORS_NOT_SUPPORTED = 'getters & setters can not be defined on this javascript engine';\n\n Object.defineProperty = function defineProperty(object, property, descriptor) {\n if (isPrimitive(object)) {\n throw new TypeError(ERR_NON_OBJECT_TARGET + object);\n }\n if (isPrimitive(descriptor)) {\n throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);\n }\n // make a valiant attempt to use the real defineProperty\n // for I8's DOM elements.\n if (definePropertyFallback) {\n try {\n return definePropertyFallback.call(Object, object, property, descriptor);\n } catch (exception) {\n // try the shim if the real one doesn't work\n }\n }\n\n // If it's a data property.\n if ('value' in descriptor) {\n // fail silently if 'writable', 'enumerable', or 'configurable'\n // are requested but not supported\n /*\n // alternate approach:\n if ( // can't implement these features; allow false but not true\n ('writable' in descriptor && !descriptor.writable) ||\n ('enumerable' in descriptor && !descriptor.enumerable) ||\n ('configurable' in descriptor && !descriptor.configurable)\n ))\n throw new RangeError(\n 'This implementation of Object.defineProperty does not support configurable, enumerable, or writable.'\n );\n */\n\n if (supportsAccessors && (lookupGetter(object, property) || lookupSetter(object, property))) {\n // As accessors are supported only on engines implementing\n // `__proto__` we can safely override `__proto__` while defining\n // a property to make sure that we don't hit an inherited\n // accessor.\n /* eslint-disable no-proto */\n var prototype = object.__proto__;\n object.__proto__ = prototypeOfObject;\n // Deleting a property anyway since getter / setter may be\n // defined on object itself.\n delete object[property];\n object[property] = descriptor.value;\n // Setting original `__proto__` back now.\n object.__proto__ = prototype;\n /* eslint-enable no-proto */\n } else {\n object[property] = descriptor.value;\n }\n } else {\n var hasGetter = 'get' in descriptor;\n var hasSetter = 'set' in descriptor;\n if (!supportsAccessors && (hasGetter || hasSetter)) {\n throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);\n }\n // If we got that far then getters and setters can be defined !!\n if (hasGetter) {\n defineGetter(object, property, descriptor.get);\n }\n if (hasSetter) {\n defineSetter(object, property, descriptor.set);\n }\n }\n return object;\n };\n }\n\n // ES5 15.2.3.7\n // http://es5.github.com/#x15.2.3.7\n if (!Object.defineProperties || definePropertiesFallback) {\n Object.defineProperties = function defineProperties(object, properties) {\n // make a valiant attempt to use the real defineProperties\n if (definePropertiesFallback) {\n try {\n return definePropertiesFallback.call(Object, object, properties);\n } catch (exception) {\n // try the shim if the real one doesn't work\n }\n }\n\n Object.keys(properties).forEach(function (property) {\n if (property !== '__proto__') {\n Object.defineProperty(object, property, properties[property]);\n }\n });\n return object;\n };\n }\n\n // ES5 15.2.3.8\n // http://es5.github.com/#x15.2.3.8\n if (!Object.seal) {\n Object.seal = function seal(object) {\n if (Object(object) !== object) {\n throw new TypeError('Object.seal can only be called on Objects.');\n }\n // this is misleading and breaks feature-detection, but\n // allows \"securable\" code to \"gracefully\" degrade to working\n // but insecure code.\n return object;\n };\n }\n\n // ES5 15.2.3.9\n // http://es5.github.com/#x15.2.3.9\n if (!Object.freeze) {\n Object.freeze = function freeze(object) {\n if (Object(object) !== object) {\n throw new TypeError('Object.freeze can only be called on Objects.');\n }\n // this is misleading and breaks feature-detection, but\n // allows \"securable\" code to \"gracefully\" degrade to working\n // but insecure code.\n return object;\n };\n }\n\n // detect a Rhino bug and patch it\n try {\n Object.freeze(function () {});\n } catch (exception) {\n Object.freeze = (function (freezeObject) {\n return function freeze(object) {\n if (typeof object === 'function') {\n return object;\n } else {\n return freezeObject(object);\n }\n };\n }(Object.freeze));\n }\n\n // ES5 15.2.3.10\n // http://es5.github.com/#x15.2.3.10\n if (!Object.preventExtensions) {\n Object.preventExtensions = function preventExtensions(object) {\n if (Object(object) !== object) {\n throw new TypeError('Object.preventExtensions can only be called on Objects.');\n }\n // this is misleading and breaks feature-detection, but\n // allows \"securable\" code to \"gracefully\" degrade to working\n // but insecure code.\n return object;\n };\n }\n\n // ES5 15.2.3.11\n // http://es5.github.com/#x15.2.3.11\n if (!Object.isSealed) {\n Object.isSealed = function isSealed(object) {\n if (Object(object) !== object) {\n throw new TypeError('Object.isSealed can only be called on Objects.');\n }\n return false;\n };\n }\n\n // ES5 15.2.3.12\n // http://es5.github.com/#x15.2.3.12\n if (!Object.isFrozen) {\n Object.isFrozen = function isFrozen(object) {\n if (Object(object) !== object) {\n throw new TypeError('Object.isFrozen can only be called on Objects.');\n }\n return false;\n };\n }\n\n // ES5 15.2.3.13\n // http://es5.github.com/#x15.2.3.13\n if (!Object.isExtensible) {\n Object.isExtensible = function isExtensible(object) {\n // 1. If Type(O) is not Object throw a TypeError exception.\n if (Object(object) !== object) {\n throw new TypeError('Object.isExtensible can only be called on Objects.');\n }\n // 2. Return the Boolean value of the [[Extensible]] internal property of O.\n var name = '';\n while (owns(object, name)) {\n name += '?';\n }\n object[name] = true;\n var returnValue = owns(object, name);\n delete object[name];\n return returnValue;\n };\n }\n\n}));\n","/*!\n * https://github.com/es-shims/es5-shim\n * @license es5-shim Copyright 2009-2015 by contributors, MIT License\n * see https://github.com/es-shims/es5-shim/blob/master/LICENSE\n */\n\n// vim: ts=4 sts=4 sw=4 expandtab\n\n// Add semicolon to prevent IIFE from being passed as argument to concatenated code.\n;\n\n// UMD (Universal Module Definition)\n// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js\n(function (root, factory) {\n 'use strict';\n\n /* global define, exports, module */\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory);\n } else if (typeof exports === 'object') {\n // Node. Does not work with strict CommonJS, but\n // only CommonJS-like enviroments that support module.exports,\n // like Node.\n module.exports = factory();\n } else {\n // Browser globals (root is window)\n root.returnExports = factory();\n }\n}(this, function () {\n /**\n * Brings an environment as close to ECMAScript 5 compliance\n * as is possible with the facilities of erstwhile engines.\n *\n * Annotated ES5: http://es5.github.com/ (specific links below)\n * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf\n * Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/\n */\n\n // Shortcut to an often accessed properties, in order to avoid multiple\n // dereference that costs universally. This also holds a reference to known-good\n // functions.\n var $Array = Array;\n var ArrayPrototype = $Array.prototype;\n var $Object = Object;\n var ObjectPrototype = $Object.prototype;\n var $Function = Function;\n var FunctionPrototype = $Function.prototype;\n var $String = String;\n var StringPrototype = $String.prototype;\n var $Number = Number;\n var NumberPrototype = $Number.prototype;\n var array_slice = ArrayPrototype.slice;\n var array_splice = ArrayPrototype.splice;\n var array_push = ArrayPrototype.push;\n var array_unshift = ArrayPrototype.unshift;\n var array_concat = ArrayPrototype.concat;\n var array_join = ArrayPrototype.join;\n var call = FunctionPrototype.call;\n var apply = FunctionPrototype.apply;\n var max = Math.max;\n var min = Math.min;\n\n // Having a toString local variable name breaks in Opera so use to_string.\n var to_string = ObjectPrototype.toString;\n\n /* global Symbol */\n /* eslint-disable one-var-declaration-per-line, no-redeclare, max-statements-per-line */\n var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\n var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, constructorRegex = /^\\s*class /, isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = fnToStr.call(value); var singleStripped = fnStr.replace(/\\/\\/.*\\n/g, ''); var multiStripped = singleStripped.replace(/\\/\\*[.\\s\\S]*\\*\\//g, ''); var spaceStripped = multiStripped.replace(/\\n/mg, ' ').replace(/ {2}/g, ' '); return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]', isCallable = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; };\n\n var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; };\n var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; };\n /* eslint-enable one-var-declaration-per-line, no-redeclare, max-statements-per-line */\n\n /* inlined from http://npmjs.com/define-properties */\n var supportsDescriptors = $Object.defineProperty && (function () {\n try {\n var obj = {};\n $Object.defineProperty(obj, 'x', { enumerable: false, value: obj });\n for (var _ in obj) { // jscs:ignore disallowUnusedVariables\n return false;\n }\n return obj.x === obj;\n } catch (e) { /* this is ES3 */\n return false;\n }\n }());\n var defineProperties = (function (has) {\n // Define configurable, writable, and non-enumerable props\n // if they don't exist.\n var defineProperty;\n if (supportsDescriptors) {\n defineProperty = function (object, name, method, forceAssign) {\n if (!forceAssign && (name in object)) {\n return;\n }\n $Object.defineProperty(object, name, {\n configurable: true,\n enumerable: false,\n writable: true,\n value: method\n });\n };\n } else {\n defineProperty = function (object, name, method, forceAssign) {\n if (!forceAssign && (name in object)) {\n return;\n }\n object[name] = method;\n };\n }\n return function defineProperties(object, map, forceAssign) {\n for (var name in map) {\n if (has.call(map, name)) {\n defineProperty(object, name, map[name], forceAssign);\n }\n }\n };\n }(ObjectPrototype.hasOwnProperty));\n\n //\n // Util\n // ======\n //\n\n /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */\n var isPrimitive = function isPrimitive(input) {\n var type = typeof input;\n return input === null || (type !== 'object' && type !== 'function');\n };\n\n var isActualNaN = $Number.isNaN || function isActualNaN(x) {\n return x !== x;\n };\n\n var ES = {\n // ES5 9.4\n // http://es5.github.com/#x9.4\n // http://jsperf.com/to-integer\n /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */\n ToInteger: function ToInteger(num) {\n var n = +num;\n if (isActualNaN(n)) {\n n = 0;\n } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {\n n = (n > 0 || -1) * Math.floor(Math.abs(n));\n }\n return n;\n },\n\n /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */\n ToPrimitive: function ToPrimitive(input) {\n var val, valueOf, toStr;\n if (isPrimitive(input)) {\n return input;\n }\n valueOf = input.valueOf;\n if (isCallable(valueOf)) {\n val = valueOf.call(input);\n if (isPrimitive(val)) {\n return val;\n }\n }\n toStr = input.toString;\n if (isCallable(toStr)) {\n val = toStr.call(input);\n if (isPrimitive(val)) {\n return val;\n }\n }\n throw new TypeError();\n },\n\n // ES5 9.9\n // http://es5.github.com/#x9.9\n /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */\n ToObject: function (o) {\n if (o == null) { // this matches both null and undefined\n throw new TypeError(\"can't convert \" + o + ' to object');\n }\n return $Object(o);\n },\n\n /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */\n ToUint32: function ToUint32(x) {\n return x >>> 0;\n }\n };\n\n //\n // Function\n // ========\n //\n\n // ES-5 15.3.4.5\n // http://es5.github.com/#x15.3.4.5\n\n var Empty = function Empty() {};\n\n defineProperties(FunctionPrototype, {\n bind: function bind(that) { // .length is 1\n // 1. Let Target be the this value.\n var target = this;\n // 2. If IsCallable(Target) is false, throw a TypeError exception.\n if (!isCallable(target)) {\n throw new TypeError('Function.prototype.bind called on incompatible ' + target);\n }\n // 3. Let A be a new (possibly empty) internal list of all of the\n // argument values provided after thisArg (arg1, arg2 etc), in order.\n // XXX slicedArgs will stand in for \"A\" if used\n var args = array_slice.call(arguments, 1); // for normal call\n // 4. Let F be a new native ECMAScript object.\n // 11. Set the [[Prototype]] internal property of F to the standard\n // built-in Function prototype object as specified in 15.3.3.1.\n // 12. Set the [[Call]] internal property of F as described in\n // 15.3.4.5.1.\n // 13. Set the [[Construct]] internal property of F as described in\n // 15.3.4.5.2.\n // 14. Set the [[HasInstance]] internal property of F as described in\n // 15.3.4.5.3.\n var bound;\n var binder = function () {\n\n if (this instanceof bound) {\n // 15.3.4.5.2 [[Construct]]\n // When the [[Construct]] internal method of a function object,\n // F that was created using the bind function is called with a\n // list of arguments ExtraArgs, the following steps are taken:\n // 1. Let target be the value of F's [[TargetFunction]]\n // internal property.\n // 2. If target has no [[Construct]] internal method, a\n // TypeError exception is thrown.\n // 3. Let boundArgs be the value of F's [[BoundArgs]] internal\n // property.\n // 4. Let args be a new list containing the same values as the\n // list boundArgs in the same order followed by the same\n // values as the list ExtraArgs in the same order.\n // 5. Return the result of calling the [[Construct]] internal\n // method of target providing args as the arguments.\n\n var result = apply.call(\n target,\n this,\n array_concat.call(args, array_slice.call(arguments))\n );\n if ($Object(result) === result) {\n return result;\n }\n return this;\n\n } else {\n // 15.3.4.5.1 [[Call]]\n // When the [[Call]] internal method of a function object, F,\n // which was created using the bind function is called with a\n // this value and a list of arguments ExtraArgs, the following\n // steps are taken:\n // 1. Let boundArgs be the value of F's [[BoundArgs]] internal\n // property.\n // 2. Let boundThis be the value of F's [[BoundThis]] internal\n // property.\n // 3. Let target be the value of F's [[TargetFunction]] internal\n // property.\n // 4. Let args be a new list containing the same values as the\n // list boundArgs in the same order followed by the same\n // values as the list ExtraArgs in the same order.\n // 5. Return the result of calling the [[Call]] internal method\n // of target providing boundThis as the this value and\n // providing args as the arguments.\n\n // equiv: target.call(this, ...boundArgs, ...args)\n return apply.call(\n target,\n that,\n array_concat.call(args, array_slice.call(arguments))\n );\n\n }\n\n };\n\n // 15. If the [[Class]] internal property of Target is \"Function\", then\n // a. Let L be the length property of Target minus the length of A.\n // b. Set the length own property of F to either 0 or L, whichever is\n // larger.\n // 16. Else set the length own property of F to 0.\n\n var boundLength = max(0, target.length - args.length);\n\n // 17. Set the attributes of the length own property of F to the values\n // specified in 15.3.5.1.\n var boundArgs = [];\n for (var i = 0; i < boundLength; i++) {\n array_push.call(boundArgs, '$' + i);\n }\n\n // XXX Build a dynamic function with desired amount of arguments is the only\n // way to set the length property of a function.\n // In environments where Content Security Policies enabled (Chrome extensions,\n // for ex.) all use of eval or Function costructor throws an exception.\n // However in all of these environments Function.prototype.bind exists\n // and so this code will never be executed.\n bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder);\n\n if (target.prototype) {\n Empty.prototype = target.prototype;\n bound.prototype = new Empty();\n // Clean up dangling references.\n Empty.prototype = null;\n }\n\n // TODO\n // 18. Set the [[Extensible]] internal property of F to true.\n\n // TODO\n // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).\n // 20. Call the [[DefineOwnProperty]] internal method of F with\n // arguments \"caller\", PropertyDescriptor {[[Get]]: thrower, [[Set]]:\n // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and\n // false.\n // 21. Call the [[DefineOwnProperty]] internal method of F with\n // arguments \"arguments\", PropertyDescriptor {[[Get]]: thrower,\n // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},\n // and false.\n\n // TODO\n // NOTE Function objects created using Function.prototype.bind do not\n // have a prototype property or the [[Code]], [[FormalParameters]], and\n // [[Scope]] internal properties.\n // XXX can't delete prototype in pure-js.\n\n // 22. Return F.\n return bound;\n }\n });\n\n // _Please note: Shortcuts are defined after `Function.prototype.bind` as we\n // use it in defining shortcuts.\n var owns = call.bind(ObjectPrototype.hasOwnProperty);\n var toStr = call.bind(ObjectPrototype.toString);\n var arraySlice = call.bind(array_slice);\n var arraySliceApply = apply.bind(array_slice);\n /* globals document */\n if (typeof document === 'object' && document && document.documentElement) {\n try {\n arraySlice(document.documentElement.childNodes);\n } catch (e) {\n var origArraySlice = arraySlice;\n var origArraySliceApply = arraySliceApply;\n arraySlice = function arraySliceIE(arr) {\n var r = [];\n var i = arr.length;\n while (i-- > 0) {\n r[i] = arr[i];\n }\n return origArraySliceApply(r, origArraySlice(arguments, 1));\n };\n arraySliceApply = function arraySliceApplyIE(arr, args) {\n return origArraySliceApply(arraySlice(arr), args);\n };\n }\n }\n var strSlice = call.bind(StringPrototype.slice);\n var strSplit = call.bind(StringPrototype.split);\n var strIndexOf = call.bind(StringPrototype.indexOf);\n var pushCall = call.bind(array_push);\n var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable);\n var arraySort = call.bind(ArrayPrototype.sort);\n\n //\n // Array\n // =====\n //\n\n var isArray = $Array.isArray || function isArray(obj) {\n return toStr(obj) === '[object Array]';\n };\n\n // ES5 15.4.4.12\n // http://es5.github.com/#x15.4.4.13\n // Return len+argCount.\n // [bugfix, ielt8]\n // IE < 8 bug: [].unshift(0) === undefined but should be \"1\"\n var hasUnshiftReturnValueBug = [].unshift(0) !== 1;\n defineProperties(ArrayPrototype, {\n unshift: function () {\n array_unshift.apply(this, arguments);\n return this.length;\n }\n }, hasUnshiftReturnValueBug);\n\n // ES5 15.4.3.2\n // http://es5.github.com/#x15.4.3.2\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray\n defineProperties($Array, { isArray: isArray });\n\n // The IsCallable() check in the Array functions\n // has been replaced with a strict check on the\n // internal class of the object to trap cases where\n // the provided function was actually a regular\n // expression literal, which in V8 and\n // JavaScriptCore is a typeof \"function\". Only in\n // V8 are regular expression literals permitted as\n // reduce parameters, so it is desirable in the\n // general case for the shim to match the more\n // strict and common behavior of rejecting regular\n // expressions.\n\n // ES5 15.4.4.18\n // http://es5.github.com/#x15.4.4.18\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach\n\n // Check failure of by-index access of string characters (IE < 9)\n // and failure of `0 in boxedString` (Rhino)\n var boxedString = $Object('a');\n var splitString = boxedString[0] !== 'a' || !(0 in boxedString);\n\n var properlyBoxesContext = function properlyBoxed(method) {\n // Check node 0.6.21 bug where third parameter is not boxed\n var properlyBoxesNonStrict = true;\n var properlyBoxesStrict = true;\n var threwException = false;\n if (method) {\n try {\n method.call('foo', function (_, __, context) {\n if (typeof context !== 'object') {\n properlyBoxesNonStrict = false;\n }\n });\n\n method.call([1], function () {\n 'use strict';\n\n properlyBoxesStrict = typeof this === 'string';\n }, 'x');\n } catch (e) {\n threwException = true;\n }\n }\n return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict;\n };\n\n defineProperties(ArrayPrototype, {\n forEach: function forEach(callbackfn/*, thisArg*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var i = -1;\n var length = ES.ToUint32(self.length);\n var T;\n if (arguments.length > 1) {\n T = arguments[1];\n }\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.forEach callback must be a function');\n }\n\n while (++i < length) {\n if (i in self) {\n // Invoke the callback function with call, passing arguments:\n // context, property value, property key, thisArg object\n if (typeof T === 'undefined') {\n callbackfn(self[i], i, object);\n } else {\n callbackfn.call(T, self[i], i, object);\n }\n }\n }\n }\n }, !properlyBoxesContext(ArrayPrototype.forEach));\n\n // ES5 15.4.4.19\n // http://es5.github.com/#x15.4.4.19\n // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map\n defineProperties(ArrayPrototype, {\n map: function map(callbackfn/*, thisArg*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n var result = $Array(length);\n var T;\n if (arguments.length > 1) {\n T = arguments[1];\n }\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.map callback must be a function');\n }\n\n for (var i = 0; i < length; i++) {\n if (i in self) {\n if (typeof T === 'undefined') {\n result[i] = callbackfn(self[i], i, object);\n } else {\n result[i] = callbackfn.call(T, self[i], i, object);\n }\n }\n }\n return result;\n }\n }, !properlyBoxesContext(ArrayPrototype.map));\n\n // ES5 15.4.4.20\n // http://es5.github.com/#x15.4.4.20\n // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter\n defineProperties(ArrayPrototype, {\n filter: function filter(callbackfn/*, thisArg*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n var result = [];\n var value;\n var T;\n if (arguments.length > 1) {\n T = arguments[1];\n }\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.filter callback must be a function');\n }\n\n for (var i = 0; i < length; i++) {\n if (i in self) {\n value = self[i];\n if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {\n pushCall(result, value);\n }\n }\n }\n return result;\n }\n }, !properlyBoxesContext(ArrayPrototype.filter));\n\n // ES5 15.4.4.16\n // http://es5.github.com/#x15.4.4.16\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every\n defineProperties(ArrayPrototype, {\n every: function every(callbackfn/*, thisArg*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n var T;\n if (arguments.length > 1) {\n T = arguments[1];\n }\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.every callback must be a function');\n }\n\n for (var i = 0; i < length; i++) {\n if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {\n return false;\n }\n }\n return true;\n }\n }, !properlyBoxesContext(ArrayPrototype.every));\n\n // ES5 15.4.4.17\n // http://es5.github.com/#x15.4.4.17\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some\n defineProperties(ArrayPrototype, {\n some: function some(callbackfn/*, thisArg */) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n var T;\n if (arguments.length > 1) {\n T = arguments[1];\n }\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.some callback must be a function');\n }\n\n for (var i = 0; i < length; i++) {\n if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {\n return true;\n }\n }\n return false;\n }\n }, !properlyBoxesContext(ArrayPrototype.some));\n\n // ES5 15.4.4.21\n // http://es5.github.com/#x15.4.4.21\n // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce\n var reduceCoercesToObject = false;\n if (ArrayPrototype.reduce) {\n reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) {\n return list;\n }) === 'object';\n }\n defineProperties(ArrayPrototype, {\n reduce: function reduce(callbackfn/*, initialValue*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.reduce callback must be a function');\n }\n\n // no value to return if no initial value and an empty array\n if (length === 0 && arguments.length === 1) {\n throw new TypeError('reduce of empty array with no initial value');\n }\n\n var i = 0;\n var result;\n if (arguments.length >= 2) {\n result = arguments[1];\n } else {\n do {\n if (i in self) {\n result = self[i++];\n break;\n }\n\n // if array contains no values, no initial value to return\n if (++i >= length) {\n throw new TypeError('reduce of empty array with no initial value');\n }\n } while (true);\n }\n\n for (; i < length; i++) {\n if (i in self) {\n result = callbackfn(result, self[i], i, object);\n }\n }\n\n return result;\n }\n }, !reduceCoercesToObject);\n\n // ES5 15.4.4.22\n // http://es5.github.com/#x15.4.4.22\n // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight\n var reduceRightCoercesToObject = false;\n if (ArrayPrototype.reduceRight) {\n reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) {\n return list;\n }) === 'object';\n }\n defineProperties(ArrayPrototype, {\n reduceRight: function reduceRight(callbackfn/*, initial*/) {\n var object = ES.ToObject(this);\n var self = splitString && isString(this) ? strSplit(this, '') : object;\n var length = ES.ToUint32(self.length);\n\n // If no callback function or if callback is not a callable function\n if (!isCallable(callbackfn)) {\n throw new TypeError('Array.prototype.reduceRight callback must be a function');\n }\n\n // no value to return if no initial value, empty array\n if (length === 0 && arguments.length === 1) {\n throw new TypeError('reduceRight of empty array with no initial value');\n }\n\n var result;\n var i = length - 1;\n if (arguments.length >= 2) {\n result = arguments[1];\n } else {\n do {\n if (i in self) {\n result = self[i--];\n break;\n }\n\n // if array contains no values, no initial value to return\n if (--i < 0) {\n throw new TypeError('reduceRight of empty array with no initial value');\n }\n } while (true);\n }\n\n if (i < 0) {\n return result;\n }\n\n do {\n if (i in self) {\n result = callbackfn(result, self[i], i, object);\n }\n } while (i--);\n\n return result;\n }\n }, !reduceRightCoercesToObject);\n\n // ES5 15.4.4.14\n // http://es5.github.com/#x15.4.4.14\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf\n var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1;\n defineProperties(ArrayPrototype, {\n indexOf: function indexOf(searchElement/*, fromIndex */) {\n var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);\n var length = ES.ToUint32(self.length);\n\n if (length === 0) {\n return -1;\n }\n\n var i = 0;\n if (arguments.length > 1) {\n i = ES.ToInteger(arguments[1]);\n }\n\n // handle negative indices\n i = i >= 0 ? i : max(0, length + i);\n for (; i < length; i++) {\n if (i in self && self[i] === searchElement) {\n return i;\n }\n }\n return -1;\n }\n }, hasFirefox2IndexOfBug);\n\n // ES5 15.4.4.15\n // http://es5.github.com/#x15.4.4.15\n // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf\n var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;\n defineProperties(ArrayPrototype, {\n lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) {\n var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);\n var length = ES.ToUint32(self.length);\n\n if (length === 0) {\n return -1;\n }\n var i = length - 1;\n if (arguments.length > 1) {\n i = min(i, ES.ToInteger(arguments[1]));\n }\n // handle negative indices\n i = i >= 0 ? i : length - Math.abs(i);\n for (; i >= 0; i--) {\n if (i in self && searchElement === self[i]) {\n return i;\n }\n }\n return -1;\n }\n }, hasFirefox2LastIndexOfBug);\n\n // ES5 15.4.4.12\n // http://es5.github.com/#x15.4.4.12\n var spliceNoopReturnsEmptyArray = (function () {\n var a = [1, 2];\n var result = a.splice();\n return a.length === 2 && isArray(result) && result.length === 0;\n }());\n defineProperties(ArrayPrototype, {\n // Safari 5.0 bug where .splice() returns undefined\n splice: function splice(start, deleteCount) {\n if (arguments.length === 0) {\n return [];\n } else {\n return array_splice.apply(this, arguments);\n }\n }\n }, !spliceNoopReturnsEmptyArray);\n\n var spliceWorksWithEmptyObject = (function () {\n var obj = {};\n ArrayPrototype.splice.call(obj, 0, 0, 1);\n return obj.length === 1;\n }());\n defineProperties(ArrayPrototype, {\n splice: function splice(start, deleteCount) {\n if (arguments.length === 0) {\n return [];\n }\n var args = arguments;\n this.length = max(ES.ToInteger(this.length), 0);\n if (arguments.length > 0 && typeof deleteCount !== 'number') {\n args = arraySlice(arguments);\n if (args.length < 2) {\n pushCall(args, this.length - start);\n } else {\n args[1] = ES.ToInteger(deleteCount);\n }\n }\n return array_splice.apply(this, args);\n }\n }, !spliceWorksWithEmptyObject);\n var spliceWorksWithLargeSparseArrays = (function () {\n // Per https://github.com/es-shims/es5-shim/issues/295\n // Safari 7/8 breaks with sparse arrays of size 1e5 or greater\n var arr = new $Array(1e5);\n // note: the index MUST be 8 or larger or the test will false pass\n arr[8] = 'x';\n arr.splice(1, 1);\n // note: this test must be defined *after* the indexOf shim\n // per https://github.com/es-shims/es5-shim/issues/313\n return arr.indexOf('x') === 7;\n }());\n var spliceWorksWithSmallSparseArrays = (function () {\n // Per https://github.com/es-shims/es5-shim/issues/295\n // Opera 12.15 breaks on this, no idea why.\n var n = 256;\n var arr = [];\n arr[n] = 'a';\n arr.splice(n + 1, 0, 'b');\n return arr[n] === 'a';\n }());\n defineProperties(ArrayPrototype, {\n splice: function splice(start, deleteCount) {\n var O = ES.ToObject(this);\n var A = [];\n var len = ES.ToUint32(O.length);\n var relativeStart = ES.ToInteger(start);\n var actualStart = relativeStart < 0 ? max((len + relativeStart), 0) : min(relativeStart, len);\n var actualDeleteCount = min(max(ES.ToInteger(deleteCount), 0), len - actualStart);\n\n var k = 0;\n var from;\n while (k < actualDeleteCount) {\n from = $String(actualStart + k);\n if (owns(O, from)) {\n A[k] = O[from];\n }\n k += 1;\n }\n\n var items = arraySlice(arguments, 2);\n var itemCount = items.length;\n var to;\n if (itemCount < actualDeleteCount) {\n k = actualStart;\n var maxK = len - actualDeleteCount;\n while (k < maxK) {\n from = $String(k + actualDeleteCount);\n to = $String(k + itemCount);\n if (owns(O, from)) {\n O[to] = O[from];\n } else {\n delete O[to];\n }\n k += 1;\n }\n k = len;\n var minK = len - actualDeleteCount + itemCount;\n while (k > minK) {\n delete O[k - 1];\n k -= 1;\n }\n } else if (itemCount > actualDeleteCount) {\n k = len - actualDeleteCount;\n while (k > actualStart) {\n from = $String(k + actualDeleteCount - 1);\n to = $String(k + itemCount - 1);\n if (owns(O, from)) {\n O[to] = O[from];\n } else {\n delete O[to];\n }\n k -= 1;\n }\n }\n k = actualStart;\n for (var i = 0; i < items.length; ++i) {\n O[k] = items[i];\n k += 1;\n }\n O.length = len - actualDeleteCount + itemCount;\n\n return A;\n }\n }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays);\n\n var originalJoin = ArrayPrototype.join;\n var hasStringJoinBug;\n try {\n hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3';\n } catch (e) {\n hasStringJoinBug = true;\n }\n if (hasStringJoinBug) {\n defineProperties(ArrayPrototype, {\n join: function join(separator) {\n var sep = typeof separator === 'undefined' ? ',' : separator;\n return originalJoin.call(isString(this) ? strSplit(this, '') : this, sep);\n }\n }, hasStringJoinBug);\n }\n\n var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2';\n if (hasJoinUndefinedBug) {\n defineProperties(ArrayPrototype, {\n join: function join(separator) {\n var sep = typeof separator === 'undefined' ? ',' : separator;\n return originalJoin.call(this, sep);\n }\n }, hasJoinUndefinedBug);\n }\n\n var pushShim = function push(item) {\n var O = ES.ToObject(this);\n var n = ES.ToUint32(O.length);\n var i = 0;\n while (i < arguments.length) {\n O[n + i] = arguments[i];\n i += 1;\n }\n O.length = n + i;\n return n + i;\n };\n\n var pushIsNotGeneric = (function () {\n var obj = {};\n var result = Array.prototype.push.call(obj, undefined);\n return result !== 1 || obj.length !== 1 || typeof obj[0] !== 'undefined' || !owns(obj, 0);\n }());\n defineProperties(ArrayPrototype, {\n push: function push(item) {\n if (isArray(this)) {\n return array_push.apply(this, arguments);\n }\n return pushShim.apply(this, arguments);\n }\n }, pushIsNotGeneric);\n\n // This fixes a very weird bug in Opera 10.6 when pushing `undefined\n var pushUndefinedIsWeird = (function () {\n var arr = [];\n var result = arr.push(undefined);\n return result !== 1 || arr.length !== 1 || typeof arr[0] !== 'undefined' || !owns(arr, 0);\n }());\n defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird);\n\n // ES5 15.2.3.14\n // http://es5.github.io/#x15.4.4.10\n // Fix boxed string bug\n defineProperties(ArrayPrototype, {\n slice: function (start, end) {\n var arr = isString(this) ? strSplit(this, '') : this;\n return arraySliceApply(arr, arguments);\n }\n }, splitString);\n\n var sortIgnoresNonFunctions = (function () {\n try {\n [1, 2].sort(null);\n } catch (e) {\n try {\n [1, 2].sort({});\n } catch (e2) {\n return false;\n }\n }\n return true;\n }());\n var sortThrowsOnRegex = (function () {\n // this is a problem in Firefox 4, in which `typeof /a/ === 'function'`\n try {\n [1, 2].sort(/a/);\n return false;\n } catch (e) {}\n return true;\n }());\n var sortIgnoresUndefined = (function () {\n // applies in IE 8, for one.\n try {\n [1, 2].sort(undefined);\n return true;\n } catch (e) {}\n return false;\n }());\n defineProperties(ArrayPrototype, {\n sort: function sort(compareFn) {\n if (typeof compareFn === 'undefined') {\n return arraySort(this);\n }\n if (!isCallable(compareFn)) {\n throw new TypeError('Array.prototype.sort callback must be a function');\n }\n return arraySort(this, compareFn);\n }\n }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex);\n\n //\n // Object\n // ======\n //\n\n // ES5 15.2.3.14\n // http://es5.github.com/#x15.2.3.14\n\n // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation\n var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString'); // jscs:ignore disallowQuotedKeysInObjects\n var hasProtoEnumBug = isEnum(function () {}, 'prototype');\n var hasStringEnumBug = !owns('x', '0');\n var equalsConstructorPrototype = function (o) {\n var ctor = o.constructor;\n return ctor && ctor.prototype === o;\n };\n var excludedKeys = {\n $window: true,\n $console: true,\n $parent: true,\n $self: true,\n $frame: true,\n $frames: true,\n $frameElement: true,\n $webkitIndexedDB: true,\n $webkitStorageInfo: true,\n $external: true,\n $width: true,\n $height: true,\n $top: true,\n $localStorage: true\n };\n var hasAutomationEqualityBug = (function () {\n /* globals window */\n if (typeof window === 'undefined') {\n return false;\n }\n for (var k in window) {\n try {\n if (!excludedKeys['$' + k] && owns(window, k) && window[k] !== null && typeof window[k] === 'object') {\n equalsConstructorPrototype(window[k]);\n }\n } catch (e) {\n return true;\n }\n }\n return false;\n }());\n var equalsConstructorPrototypeIfNotBuggy = function (object) {\n if (typeof window === 'undefined' || !hasAutomationEqualityBug) {\n return equalsConstructorPrototype(object);\n }\n try {\n return equalsConstructorPrototype(object);\n } catch (e) {\n return false;\n }\n };\n var dontEnums = [\n 'toString',\n 'toLocaleString',\n 'valueOf',\n 'hasOwnProperty',\n 'isPrototypeOf',\n 'propertyIsEnumerable',\n 'constructor'\n ];\n var dontEnumsLength = dontEnums.length;\n\n // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js\n // can be replaced with require('is-arguments') if we ever use a build process instead\n var isStandardArguments = function isArguments(value) {\n return toStr(value) === '[object Arguments]';\n };\n var isLegacyArguments = function isArguments(value) {\n return value !== null\n && typeof value === 'object'\n && typeof value.length === 'number'\n && value.length >= 0\n && !isArray(value)\n && isCallable(value.callee);\n };\n var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments;\n\n defineProperties($Object, {\n keys: function keys(object) {\n var isFn = isCallable(object);\n var isArgs = isArguments(object);\n var isObject = object !== null && typeof object === 'object';\n var isStr = isObject && isString(object);\n\n if (!isObject && !isFn && !isArgs) {\n throw new TypeError('Object.keys called on a non-object');\n }\n\n var theKeys = [];\n var skipProto = hasProtoEnumBug && isFn;\n if ((isStr && hasStringEnumBug) || isArgs) {\n for (var i = 0; i < object.length; ++i) {\n pushCall(theKeys, $String(i));\n }\n }\n\n if (!isArgs) {\n for (var name in object) {\n if (!(skipProto && name === 'prototype') && owns(object, name)) {\n pushCall(theKeys, $String(name));\n }\n }\n }\n\n if (hasDontEnumBug) {\n var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);\n for (var j = 0; j < dontEnumsLength; j++) {\n var dontEnum = dontEnums[j];\n if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {\n pushCall(theKeys, dontEnum);\n }\n }\n }\n return theKeys;\n }\n });\n\n var keysWorksWithArguments = $Object.keys && (function () {\n // Safari 5.0 bug\n return $Object.keys(arguments).length === 2;\n }(1, 2));\n var keysHasArgumentsLengthBug = $Object.keys && (function () {\n var argKeys = $Object.keys(arguments);\n return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] !== 1;\n }(1));\n var originalKeys = $Object.keys;\n defineProperties($Object, {\n keys: function keys(object) {\n if (isArguments(object)) {\n return originalKeys(arraySlice(object));\n } else {\n return originalKeys(object);\n }\n }\n }, !keysWorksWithArguments || keysHasArgumentsLengthBug);\n\n //\n // Date\n // ====\n //\n\n var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0;\n var aNegativeTestDate = new Date(-1509842289600292);\n var aPositiveTestDate = new Date(1449662400000);\n var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT';\n var hasToDateStringFormatBug;\n var hasToStringFormatBug;\n var timeZoneOffset = aNegativeTestDate.getTimezoneOffset();\n if (timeZoneOffset < -720) {\n hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875';\n hasToStringFormatBug = !(/^Thu Dec 10 2015 \\d\\d:\\d\\d:\\d\\d GMT[-+]\\d\\d\\d\\d(?: |$)/).test(String(aPositiveTestDate));\n } else {\n hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875';\n hasToStringFormatBug = !(/^Wed Dec 09 2015 \\d\\d:\\d\\d:\\d\\d GMT[-+]\\d\\d\\d\\d(?: |$)/).test(String(aPositiveTestDate));\n }\n\n var originalGetFullYear = call.bind(Date.prototype.getFullYear);\n var originalGetMonth = call.bind(Date.prototype.getMonth);\n var originalGetDate = call.bind(Date.prototype.getDate);\n var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear);\n var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth);\n var originalGetUTCDate = call.bind(Date.prototype.getUTCDate);\n var originalGetUTCDay = call.bind(Date.prototype.getUTCDay);\n var originalGetUTCHours = call.bind(Date.prototype.getUTCHours);\n var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes);\n var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds);\n var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds);\n var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];\n var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];\n var daysInMonth = function daysInMonth(month, year) {\n return originalGetDate(new Date(year, month, 0));\n };\n\n defineProperties(Date.prototype, {\n getFullYear: function getFullYear() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetFullYear(this);\n if (year < 0 && originalGetMonth(this) > 11) {\n return year + 1;\n }\n return year;\n },\n getMonth: function getMonth() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetFullYear(this);\n var month = originalGetMonth(this);\n if (year < 0 && month > 11) {\n return 0;\n }\n return month;\n },\n getDate: function getDate() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetFullYear(this);\n var month = originalGetMonth(this);\n var date = originalGetDate(this);\n if (year < 0 && month > 11) {\n if (month === 12) {\n return date;\n }\n var days = daysInMonth(0, year + 1);\n return (days - date) + 1;\n }\n return date;\n },\n getUTCFullYear: function getUTCFullYear() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetUTCFullYear(this);\n if (year < 0 && originalGetUTCMonth(this) > 11) {\n return year + 1;\n }\n return year;\n },\n getUTCMonth: function getUTCMonth() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetUTCFullYear(this);\n var month = originalGetUTCMonth(this);\n if (year < 0 && month > 11) {\n return 0;\n }\n return month;\n },\n getUTCDate: function getUTCDate() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var year = originalGetUTCFullYear(this);\n var month = originalGetUTCMonth(this);\n var date = originalGetUTCDate(this);\n if (year < 0 && month > 11) {\n if (month === 12) {\n return date;\n }\n var days = daysInMonth(0, year + 1);\n return (days - date) + 1;\n }\n return date;\n }\n }, hasNegativeMonthYearBug);\n\n defineProperties(Date.prototype, {\n toUTCString: function toUTCString() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var day = originalGetUTCDay(this);\n var date = originalGetUTCDate(this);\n var month = originalGetUTCMonth(this);\n var year = originalGetUTCFullYear(this);\n var hour = originalGetUTCHours(this);\n var minute = originalGetUTCMinutes(this);\n var second = originalGetUTCSeconds(this);\n return dayName[day] + ', '\n + (date < 10 ? '0' + date : date) + ' '\n + monthName[month] + ' '\n + year + ' '\n + (hour < 10 ? '0' + hour : hour) + ':'\n + (minute < 10 ? '0' + minute : minute) + ':'\n + (second < 10 ? '0' + second : second) + ' GMT';\n }\n }, hasNegativeMonthYearBug || hasToUTCStringFormatBug);\n\n // Opera 12 has `,`\n defineProperties(Date.prototype, {\n toDateString: function toDateString() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var day = this.getDay();\n var date = this.getDate();\n var month = this.getMonth();\n var year = this.getFullYear();\n return dayName[day] + ' '\n + monthName[month] + ' '\n + (date < 10 ? '0' + date : date) + ' '\n + year;\n }\n }, hasNegativeMonthYearBug || hasToDateStringFormatBug);\n\n // can't use defineProperties here because of toString enumeration issue in IE <= 8\n if (hasNegativeMonthYearBug || hasToStringFormatBug) {\n Date.prototype.toString = function toString() {\n if (!this || !(this instanceof Date)) {\n throw new TypeError('this is not a Date object.');\n }\n var day = this.getDay();\n var date = this.getDate();\n var month = this.getMonth();\n var year = this.getFullYear();\n var hour = this.getHours();\n var minute = this.getMinutes();\n var second = this.getSeconds();\n var timezoneOffset = this.getTimezoneOffset();\n var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60);\n var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60);\n return dayName[day] + ' '\n + monthName[month] + ' '\n + (date < 10 ? '0' + date : date) + ' '\n + year + ' '\n + (hour < 10 ? '0' + hour : hour) + ':'\n + (minute < 10 ? '0' + minute : minute) + ':'\n + (second < 10 ? '0' + second : second) + ' GMT'\n + (timezoneOffset > 0 ? '-' : '+')\n + (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset)\n + (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset);\n };\n if (supportsDescriptors) {\n $Object.defineProperty(Date.prototype, 'toString', {\n configurable: true,\n enumerable: false,\n writable: true\n });\n }\n }\n\n // ES5 15.9.5.43\n // http://es5.github.com/#x15.9.5.43\n // This function returns a String value represent the instance in time\n // represented by this Date object. The format of the String is the Date Time\n // string format defined in 15.9.1.15. All fields are present in the String.\n // The time zone is always UTC, denoted by the suffix Z. If the time value of\n // this object is not a finite Number a RangeError exception is thrown.\n var negativeDate = -62198755200000;\n var negativeYearString = '-000001';\n var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1; // eslint-disable-line max-len\n var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z';\n\n var getTime = call.bind(Date.prototype.getTime);\n\n defineProperties(Date.prototype, {\n toISOString: function toISOString() {\n if (!isFinite(this) || !isFinite(getTime(this))) {\n // Adope Photoshop requires the second check.\n throw new RangeError('Date.prototype.toISOString called on non-finite value.');\n }\n\n var year = originalGetUTCFullYear(this);\n\n var month = originalGetUTCMonth(this);\n // see https://github.com/es-shims/es5-shim/issues/111\n year += Math.floor(month / 12);\n month = ((month % 12) + 12) % 12;\n\n // the date time string format is specified in 15.9.1.15.\n var result = [\n month + 1,\n originalGetUTCDate(this),\n originalGetUTCHours(this),\n originalGetUTCMinutes(this),\n originalGetUTCSeconds(this)\n ];\n year = (\n (year < 0 ? '-' : (year > 9999 ? '+' : ''))\n + strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6)\n );\n\n for (var i = 0; i < result.length; ++i) {\n // pad months, days, hours, minutes, and seconds to have two digits.\n result[i] = strSlice('00' + result[i], -2);\n }\n // pad milliseconds to have three digits.\n return (\n year + '-' + arraySlice(result, 0, 2).join('-')\n + 'T' + arraySlice(result, 2).join(':') + '.'\n + strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'\n );\n }\n }, hasNegativeDateBug || hasSafari51DateBug);\n\n // ES5 15.9.5.44\n // http://es5.github.com/#x15.9.5.44\n // This function provides a String representation of a Date object for use by\n // JSON.stringify (15.12.3).\n var dateToJSONIsSupported = (function () {\n try {\n return Date.prototype.toJSON\n && new Date(NaN).toJSON() === null\n && new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1\n && Date.prototype.toJSON.call({ // generic\n toISOString: function () { return true; }\n });\n } catch (e) {\n return false;\n }\n }());\n if (!dateToJSONIsSupported) {\n Date.prototype.toJSON = function toJSON(key) {\n // When the toJSON method is called with argument key, the following\n // steps are taken:\n\n // 1. Let O be the result of calling ToObject, giving it the this\n // value as its argument.\n // 2. Let tv be ES.ToPrimitive(O, hint Number).\n var O = $Object(this);\n var tv = ES.ToPrimitive(O);\n // 3. If tv is a Number and is not finite, return null.\n if (typeof tv === 'number' && !isFinite(tv)) {\n return null;\n }\n // 4. Let toISO be the result of calling the [[Get]] internal method of\n // O with argument \"toISOString\".\n var toISO = O.toISOString;\n // 5. If IsCallable(toISO) is false, throw a TypeError exception.\n if (!isCallable(toISO)) {\n throw new TypeError('toISOString property is not callable');\n }\n // 6. Return the result of calling the [[Call]] internal method of\n // toISO with O as the this value and an empty argument list.\n return toISO.call(O);\n\n // NOTE 1 The argument is ignored.\n\n // NOTE 2 The toJSON function is intentionally generic; it does not\n // require that its this value be a Date object. Therefore, it can be\n // transferred to other kinds of objects for use as a method. However,\n // it does require that any such object have a toISOString method. An\n // object is free to use the argument key to filter its\n // stringification.\n };\n }\n\n // ES5 15.9.4.2\n // http://es5.github.com/#x15.9.4.2\n // based on work shared by Daniel Friesen (dantman)\n // http://gist.github.com/303249\n var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15;\n var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z'));\n var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z'));\n if (doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) {\n // XXX global assignment won't work in embeddings that use\n // an alternate object for the context.\n /* global Date: true */\n var maxSafeUnsigned32Bit = Math.pow(2, 31) - 1;\n var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, maxSafeUnsigned32Bit + 1).getTime());\n // eslint-disable-next-line no-implicit-globals, no-global-assign\n Date = (function (NativeDate) {\n // Date.length === 7\n var DateShim = function Date(Y, M, D, h, m, s, ms) {\n var length = arguments.length;\n var date;\n if (this instanceof NativeDate) {\n var seconds = s;\n var millis = ms;\n if (hasSafariSignedIntBug && length >= 7 && ms > maxSafeUnsigned32Bit) {\n // work around a Safari 8/9 bug where it treats the seconds as signed\n var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;\n var sToShift = Math.floor(msToShift / 1e3);\n seconds += sToShift;\n millis -= sToShift * 1e3;\n }\n date = length === 1 && $String(Y) === Y // isString(Y)\n // We explicitly pass it through parse:\n ? new NativeDate(DateShim.parse(Y))\n // We have to manually make calls depending on argument\n // length here\n : length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, millis)\n : length >= 6 ? new NativeDate(Y, M, D, h, m, seconds)\n : length >= 5 ? new NativeDate(Y, M, D, h, m)\n : length >= 4 ? new NativeDate(Y, M, D, h)\n : length >= 3 ? new NativeDate(Y, M, D)\n : length >= 2 ? new NativeDate(Y, M)\n : length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y)\n : new NativeDate();\n } else {\n date = NativeDate.apply(this, arguments);\n }\n if (!isPrimitive(date)) {\n // Prevent mixups with unfixed Date object\n defineProperties(date, { constructor: DateShim }, true);\n }\n return date;\n };\n\n // 15.9.1.15 Date Time String Format.\n var isoDateExpression = new RegExp('^'\n + '(\\\\d{4}|[+-]\\\\d{6})' // four-digit year capture or sign + 6-digit extended year\n + '(?:-(\\\\d{2})' // optional month capture\n + '(?:-(\\\\d{2})' // optional day capture\n + '(?:' // capture hours:minutes:seconds.milliseconds\n + 'T(\\\\d{2})' // hours capture\n + ':(\\\\d{2})' // minutes capture\n + '(?:' // optional :seconds.milliseconds\n + ':(\\\\d{2})' // seconds capture\n + '(?:(\\\\.\\\\d{1,}))?' // milliseconds capture\n + ')?'\n + '(' // capture UTC offset component\n + 'Z|' // UTC capture\n + '(?:' // offset specifier +/-hours:minutes\n + '([-+])' // sign capture\n + '(\\\\d{2})' // hours offset capture\n + ':(\\\\d{2})' // minutes offset capture\n + ')'\n + ')?)?)?)?'\n + '$');\n\n var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];\n\n var dayFromMonth = function dayFromMonth(year, month) {\n var t = month > 1 ? 1 : 0;\n return (\n months[month]\n + Math.floor((year - 1969 + t) / 4)\n - Math.floor((year - 1901 + t) / 100)\n + Math.floor((year - 1601 + t) / 400)\n + (365 * (year - 1970))\n );\n };\n\n var toUTC = function toUTC(t) {\n var s = 0;\n var ms = t;\n if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) {\n // work around a Safari 8/9 bug where it treats the seconds as signed\n var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;\n var sToShift = Math.floor(msToShift / 1e3);\n s += sToShift;\n ms -= sToShift * 1e3;\n }\n return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms));\n };\n\n // Copy any custom methods a 3rd party library may have added\n for (var key in NativeDate) {\n if (owns(NativeDate, key)) {\n DateShim[key] = NativeDate[key];\n }\n }\n\n // Copy \"native\" methods explicitly; they may be non-enumerable\n defineProperties(DateShim, {\n now: NativeDate.now,\n UTC: NativeDate.UTC\n }, true);\n DateShim.prototype = NativeDate.prototype;\n defineProperties(DateShim.prototype, { constructor: DateShim }, true);\n\n // Upgrade Date.parse to handle simplified ISO 8601 strings\n var parseShim = function parse(string) {\n var match = isoDateExpression.exec(string);\n if (match) {\n // parse months, days, hours, minutes, seconds, and milliseconds\n // provide default values if necessary\n // parse the UTC offset component\n var year = $Number(match[1]),\n month = $Number(match[2] || 1) - 1,\n day = $Number(match[3] || 1) - 1,\n hour = $Number(match[4] || 0),\n minute = $Number(match[5] || 0),\n second = $Number(match[6] || 0),\n millisecond = Math.floor($Number(match[7] || 0) * 1000),\n // When time zone is missed, local offset should be used\n // (ES 5.1 bug)\n // see https://bugs.ecmascript.org/show_bug.cgi?id=112\n isLocalTime = Boolean(match[4] && !match[8]),\n signOffset = match[9] === '-' ? 1 : -1,\n hourOffset = $Number(match[10] || 0),\n minuteOffset = $Number(match[11] || 0),\n result;\n var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0;\n if (\n hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25)\n && minute < 60 && second < 60 && millisecond < 1000\n && month > -1 && month < 12 && hourOffset < 24\n && minuteOffset < 60 // detect invalid offsets\n && day > -1\n && day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month))\n ) {\n result = (\n ((dayFromMonth(year, month) + day) * 24)\n + hour\n + (hourOffset * signOffset)\n ) * 60;\n result = ((\n ((result + minute + (minuteOffset * signOffset)) * 60)\n + second\n ) * 1000) + millisecond;\n if (isLocalTime) {\n result = toUTC(result);\n }\n if (-8.64e15 <= result && result <= 8.64e15) {\n return result;\n }\n }\n return NaN;\n }\n return NativeDate.parse.apply(this, arguments);\n };\n defineProperties(DateShim, { parse: parseShim });\n\n return DateShim;\n }(Date));\n /* global Date: false */\n }\n\n // ES5 15.9.4.4\n // http://es5.github.com/#x15.9.4.4\n if (!Date.now) {\n Date.now = function now() {\n return new Date().getTime();\n };\n }\n\n //\n // Number\n // ======\n //\n\n // ES5.1 15.7.4.5\n // http://es5.github.com/#x15.7.4.5\n var hasToFixedBugs = NumberPrototype.toFixed && (\n (0.00008).toFixed(3) !== '0.000'\n || (0.9).toFixed(0) !== '1'\n || (1.255).toFixed(2) !== '1.25'\n || (1000000000000000128).toFixed(0) !== '1000000000000000128'\n );\n\n var toFixedHelpers = {\n base: 1e7,\n size: 6,\n data: [0, 0, 0, 0, 0, 0],\n multiply: function multiply(n, c) {\n var i = -1;\n var c2 = c;\n while (++i < toFixedHelpers.size) {\n c2 += n * toFixedHelpers.data[i];\n toFixedHelpers.data[i] = c2 % toFixedHelpers.base;\n c2 = Math.floor(c2 / toFixedHelpers.base);\n }\n },\n divide: function divide(n) {\n var i = toFixedHelpers.size;\n var c = 0;\n while (--i >= 0) {\n c += toFixedHelpers.data[i];\n toFixedHelpers.data[i] = Math.floor(c / n);\n c = (c % n) * toFixedHelpers.base;\n }\n },\n numToString: function numToString() {\n var i = toFixedHelpers.size;\n var s = '';\n while (--i >= 0) {\n if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {\n var t = $String(toFixedHelpers.data[i]);\n if (s === '') {\n s = t;\n } else {\n s += strSlice('0000000', 0, 7 - t.length) + t;\n }\n }\n }\n return s;\n },\n pow: function pow(x, n, acc) {\n return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc)));\n },\n log: function log(x) {\n var n = 0;\n var x2 = x;\n while (x2 >= 4096) {\n n += 12;\n x2 /= 4096;\n }\n while (x2 >= 2) {\n n += 1;\n x2 /= 2;\n }\n return n;\n }\n };\n\n var toFixedShim = function toFixed(fractionDigits) {\n var f, x, s, m, e, z, j, k;\n\n // Test for NaN and round fractionDigits down\n f = $Number(fractionDigits);\n f = isActualNaN(f) ? 0 : Math.floor(f);\n\n if (f < 0 || f > 20) {\n throw new RangeError('Number.toFixed called with invalid number of decimals');\n }\n\n x = $Number(this);\n\n if (isActualNaN(x)) {\n return 'NaN';\n }\n\n // If it is too big or small, return the string value of the number\n if (x <= -1e21 || x >= 1e21) {\n return $String(x);\n }\n\n s = '';\n\n if (x < 0) {\n s = '-';\n x = -x;\n }\n\n m = '0';\n\n if (x > 1e-21) {\n // 1e-21 < x < 1e21\n // -70 < log2(x) < 70\n e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69;\n z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1));\n z *= 0x10000000000000; // Math.pow(2, 52);\n e = 52 - e;\n\n // -18 < e < 122\n // x = z / 2 ^ e\n if (e > 0) {\n toFixedHelpers.multiply(0, z);\n j = f;\n\n while (j >= 7) {\n toFixedHelpers.multiply(1e7, 0);\n j -= 7;\n }\n\n toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);\n j = e - 1;\n\n while (j >= 23) {\n toFixedHelpers.divide(1 << 23);\n j -= 23;\n }\n\n toFixedHelpers.divide(1 << j);\n toFixedHelpers.multiply(1, 1);\n toFixedHelpers.divide(2);\n m = toFixedHelpers.numToString();\n } else {\n toFixedHelpers.multiply(0, z);\n toFixedHelpers.multiply(1 << (-e), 0);\n m = toFixedHelpers.numToString() + strSlice('0.00000000000000000000', 2, 2 + f);\n }\n }\n\n if (f > 0) {\n k = m.length;\n\n if (k <= f) {\n m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m;\n } else {\n m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f);\n }\n } else {\n m = s + m;\n }\n\n return m;\n };\n defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs);\n\n var hasToPrecisionUndefinedBug = (function () {\n try {\n return 1.0.toPrecision(undefined) === '1';\n } catch (e) {\n return true;\n }\n }());\n var originalToPrecision = NumberPrototype.toPrecision;\n defineProperties(NumberPrototype, {\n toPrecision: function toPrecision(precision) {\n return typeof precision === 'undefined' ? originalToPrecision.call(this) : originalToPrecision.call(this, precision);\n }\n }, hasToPrecisionUndefinedBug);\n\n //\n // String\n // ======\n //\n\n // ES5 15.5.4.14\n // http://es5.github.com/#x15.5.4.14\n\n // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]\n // Many browsers do not split properly with regular expressions or they\n // do not perform the split correctly under obscure conditions.\n // See http://blog.stevenlevithan.com/archives/cross-browser-split\n // I've tested in many browsers and this seems to cover the deviant ones:\n // 'ab'.split(/(?:ab)*/) should be [\"\", \"\"], not [\"\"]\n // '.'.split(/(.?)(.?)/) should be [\"\", \".\", \"\", \"\"], not [\"\", \"\"]\n // 'tesst'.split(/(s)*/) should be [\"t\", undefined, \"e\", \"s\", \"t\"], not\n // [undefined, \"t\", undefined, \"e\", ...]\n // ''.split(/.?/) should be [], not [\"\"]\n // '.'.split(/()()/) should be [\".\"], not [\"\", \"\", \".\"]\n\n if (\n 'ab'.split(/(?:ab)*/).length !== 2\n || '.'.split(/(.?)(.?)/).length !== 4\n || 'tesst'.split(/(s)*/)[1] === 't'\n || 'test'.split(/(?:)/, -1).length !== 4\n || ''.split(/.?/).length\n || '.'.split(/()()/).length > 1\n ) {\n (function () {\n var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group\n var maxSafe32BitInt = Math.pow(2, 32) - 1;\n\n StringPrototype.split = function (separator, limit) {\n var string = String(this);\n if (typeof separator === 'undefined' && limit === 0) {\n return [];\n }\n\n // If `separator` is not a regex, use native split\n if (!isRegex(separator)) {\n return strSplit(this, separator, limit);\n }\n\n var output = [];\n var flags = (separator.ignoreCase ? 'i' : '')\n + (separator.multiline ? 'm' : '')\n + (separator.unicode ? 'u' : '') // in ES6\n + (separator.sticky ? 'y' : ''), // Firefox 3+ and ES6\n lastLastIndex = 0,\n // Make `global` and avoid `lastIndex` issues by working with a copy\n separator2, match, lastIndex, lastLength;\n var separatorCopy = new RegExp(separator.source, flags + 'g');\n if (!compliantExecNpcg) {\n // Doesn't need flags gy, but they don't hurt\n separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\\\s)', flags);\n }\n /* Values for `limit`, per the spec:\n * If undefined: 4294967295 // maxSafe32BitInt\n * If 0, Infinity, or NaN: 0\n * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;\n * If negative number: 4294967296 - Math.floor(Math.abs(limit))\n * If other: Type-convert, then use the above rules\n */\n var splitLimit = typeof limit === 'undefined' ? maxSafe32BitInt : ES.ToUint32(limit);\n match = separatorCopy.exec(string);\n while (match) {\n // `separatorCopy.lastIndex` is not reliable cross-browser\n lastIndex = match.index + match[0].length;\n if (lastIndex > lastLastIndex) {\n pushCall(output, strSlice(string, lastLastIndex, match.index));\n // Fix browsers whose `exec` methods don't consistently return `undefined` for\n // nonparticipating capturing groups\n if (!compliantExecNpcg && match.length > 1) {\n /* eslint-disable no-loop-func */\n match[0].replace(separator2, function () {\n for (var i = 1; i < arguments.length - 2; i++) {\n if (typeof arguments[i] === 'undefined') {\n match[i] = void 0;\n }\n }\n });\n /* eslint-enable no-loop-func */\n }\n if (match.length > 1 && match.index < string.length) {\n array_push.apply(output, arraySlice(match, 1));\n }\n lastLength = match[0].length;\n lastLastIndex = lastIndex;\n if (output.length >= splitLimit) {\n break;\n }\n }\n if (separatorCopy.lastIndex === match.index) {\n separatorCopy.lastIndex++; // Avoid an infinite loop\n }\n match = separatorCopy.exec(string);\n }\n if (lastLastIndex === string.length) {\n if (lastLength || !separatorCopy.test('')) {\n pushCall(output, '');\n }\n } else {\n pushCall(output, strSlice(string, lastLastIndex));\n }\n return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output;\n };\n }());\n\n // [bugfix, chrome]\n // If separator is undefined, then the result array contains just one String,\n // which is the this value (converted to a String). If limit is not undefined,\n // then the output array is truncated so that it contains no more than limit\n // elements.\n // \"0\".split(undefined, 0) -> []\n } else if ('0'.split(void 0, 0).length) {\n StringPrototype.split = function split(separator, limit) {\n if (typeof separator === 'undefined' && limit === 0) {\n return [];\n }\n return strSplit(this, separator, limit);\n };\n }\n\n var str_replace = StringPrototype.replace;\n var replaceReportsGroupsCorrectly = (function () {\n var groups = [];\n 'x'.replace(/x(.)?/g, function (match, group) {\n pushCall(groups, group);\n });\n return groups.length === 1 && typeof groups[0] === 'undefined';\n }());\n\n if (!replaceReportsGroupsCorrectly) {\n StringPrototype.replace = function replace(searchValue, replaceValue) {\n var isFn = isCallable(replaceValue);\n var hasCapturingGroups = isRegex(searchValue) && (/\\)[*?]/).test(searchValue.source);\n if (!isFn || !hasCapturingGroups) {\n return str_replace.call(this, searchValue, replaceValue);\n } else {\n var wrappedReplaceValue = function (match) {\n var length = arguments.length;\n var originalLastIndex = searchValue.lastIndex;\n searchValue.lastIndex = 0;\n var args = searchValue.exec(match) || [];\n searchValue.lastIndex = originalLastIndex;\n pushCall(args, arguments[length - 2], arguments[length - 1]);\n return replaceValue.apply(this, args);\n };\n return str_replace.call(this, searchValue, wrappedReplaceValue);\n }\n };\n }\n\n // ECMA-262, 3rd B.2.3\n // Not an ECMAScript standard, although ECMAScript 3rd Edition has a\n // non-normative section suggesting uniform semantics and it should be\n // normalized across all browsers\n // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE\n var string_substr = StringPrototype.substr;\n var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';\n defineProperties(StringPrototype, {\n substr: function substr(start, length) {\n var normalizedStart = start;\n if (start < 0) {\n normalizedStart = max(this.length + start, 0);\n }\n return string_substr.call(this, normalizedStart, length);\n }\n }, hasNegativeSubstrBug);\n\n // ES5 15.5.4.20\n // whitespace from: http://es5.github.io/#x15.5.4.20\n var ws = '\\x09\\x0A\\x0B\\x0C\\x0D\\x20\\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003'\n + '\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028'\n + '\\u2029\\uFEFF';\n var zeroWidth = '\\u200b';\n var wsRegexChars = '[' + ws + ']';\n var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*');\n var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$');\n var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || !zeroWidth.trim());\n defineProperties(StringPrototype, {\n // http://blog.stevenlevithan.com/archives/faster-trim-javascript\n // http://perfectionkills.com/whitespace-deviations/\n trim: function trim() {\n if (typeof this === 'undefined' || this === null) {\n throw new TypeError(\"can't convert \" + this + ' to object');\n }\n return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');\n }\n }, hasTrimWhitespaceBug);\n var trim = call.bind(String.prototype.trim);\n\n var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcあい'.lastIndexOf('あい', 2) !== -1;\n defineProperties(StringPrototype, {\n lastIndexOf: function lastIndexOf(searchString) {\n if (typeof this === 'undefined' || this === null) {\n throw new TypeError(\"can't convert \" + this + ' to object');\n }\n var S = $String(this);\n var searchStr = $String(searchString);\n var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN;\n var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos);\n var start = min(max(pos, 0), S.length);\n var searchLen = searchStr.length;\n var k = start + searchLen;\n while (k > 0) {\n k = max(0, k - searchLen);\n var index = strIndexOf(strSlice(S, k, start + searchLen), searchStr);\n if (index !== -1) {\n return k + index;\n }\n }\n return -1;\n }\n }, hasLastIndexBug);\n\n var originalLastIndexOf = StringPrototype.lastIndexOf;\n defineProperties(StringPrototype, {\n lastIndexOf: function lastIndexOf(searchString) {\n return originalLastIndexOf.apply(this, arguments);\n }\n }, StringPrototype.lastIndexOf.length !== 1);\n\n // ES-5 15.1.2.2\n // eslint-disable-next-line radix\n if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) {\n /* global parseInt: true */\n parseInt = (function (origParseInt) {\n var hexRegex = /^[-+]?0[xX]/;\n return function parseInt(str, radix) {\n if (typeof str === 'symbol') {\n // handle Symbols in node 8.3/8.4\n // eslint-disable-next-line no-implicit-coercion, no-unused-expressions\n '' + str; // jscs:ignore disallowImplicitTypeConversion\n }\n\n var string = trim(String(str));\n var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10);\n return origParseInt(string, defaultedRadix);\n };\n }(parseInt));\n }\n\n // https://es5.github.io/#x15.1.2.3\n if (1 / parseFloat('-0') !== -Infinity) {\n /* global parseFloat: true */\n parseFloat = (function (origParseFloat) {\n return function parseFloat(string) {\n var inputString = trim(String(string));\n var result = origParseFloat(inputString);\n return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result;\n };\n }(parseFloat));\n }\n\n if (String(new RangeError('test')) !== 'RangeError: test') {\n var errorToStringShim = function toString() {\n if (typeof this === 'undefined' || this === null) {\n throw new TypeError(\"can't convert \" + this + ' to object');\n }\n var name = this.name;\n if (typeof name === 'undefined') {\n name = 'Error';\n } else if (typeof name !== 'string') {\n name = $String(name);\n }\n var msg = this.message;\n if (typeof msg === 'undefined') {\n msg = '';\n } else if (typeof msg !== 'string') {\n msg = $String(msg);\n }\n if (!name) {\n return msg;\n }\n if (!msg) {\n return name;\n }\n return name + ': ' + msg;\n };\n // can't use defineProperties here because of toString enumeration issue in IE <= 8\n Error.prototype.toString = errorToStringShim;\n }\n\n if (supportsDescriptors) {\n var ensureNonEnumerable = function (obj, prop) {\n if (isEnum(obj, prop)) {\n var desc = Object.getOwnPropertyDescriptor(obj, prop);\n if (desc.configurable) {\n desc.enumerable = false;\n Object.defineProperty(obj, prop, desc);\n }\n }\n };\n ensureNonEnumerable(Error.prototype, 'message');\n if (Error.prototype.message !== '') {\n Error.prototype.message = '';\n }\n ensureNonEnumerable(Error.prototype, 'name');\n }\n\n if (String(/a/mig) !== '/a/gim') {\n var regexToString = function toString() {\n var str = '/' + this.source + '/';\n if (this.global) {\n str += 'g';\n }\n if (this.ignoreCase) {\n str += 'i';\n }\n if (this.multiline) {\n str += 'm';\n }\n return str;\n };\n // can't use defineProperties here because of toString enumeration issue in IE <= 8\n RegExp.prototype.toString = regexToString;\n }\n}));\n"],"mappings":"AAGA;;;;;ACKA;ACPA;;;;;;;;;;;ACMA;;;;;;;;ACKA;;;;;;;;ACHA;;;;AC4IA;;;;;;;;;ACrIA;;;;;ACHA;;;;;ACAA","sourceRoot":""}
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