`):\n *\n * ```javascript\n * var hljs = require('highlight.js') // https://highlightjs.org/\n *\n * // Actual default values\n * var md = require('markdown-it')({\n * highlight: function (str, lang) {\n * if (lang && hljs.getLanguage(lang)) {\n * try {\n * return '' +\n * hljs.highlight(lang, str, true).value +\n * '
';\n * } catch (__) {}\n * }\n *\n * return '' + md.utils.escapeHtml(str) + '
';\n * }\n * });\n * ```\n *\n **/\n\n\nfunction MarkdownIt(presetName, options) {\n if (!(this instanceof MarkdownIt)) {\n return new MarkdownIt(presetName, options);\n }\n\n if (!options) {\n if (!utils.isString(presetName)) {\n options = presetName || {};\n presetName = 'default';\n }\n }\n /**\n * MarkdownIt#inline -> ParserInline\n *\n * Instance of [[ParserInline]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n\n this.inline = new ParserInline();\n /**\n * MarkdownIt#block -> ParserBlock\n *\n * Instance of [[ParserBlock]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.block = new ParserBlock();\n /**\n * MarkdownIt#core -> Core\n *\n * Instance of [[Core]] chain executor. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.core = new ParserCore();\n /**\n * MarkdownIt#renderer -> Renderer\n *\n * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering\n * rules for new token types, generated by plugins.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * function myToken(tokens, idx, options, env, self) {\n * //...\n * return result;\n * };\n *\n * md.renderer.rules['my_token'] = myToken\n * ```\n *\n * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js).\n **/\n\n this.renderer = new Renderer();\n /**\n * MarkdownIt#linkify -> LinkifyIt\n *\n * [linkify-it](https://github.com/markdown-it/linkify-it) instance.\n * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.js)\n * rule.\n **/\n\n this.linkify = new LinkifyIt();\n /**\n * MarkdownIt#validateLink(url) -> Boolean\n *\n * Link validation function. CommonMark allows too much in links. By default\n * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas\n * except some embedded image types.\n *\n * You can change this behaviour:\n *\n * ```javascript\n * var md = require('markdown-it')();\n * // enable everything\n * md.validateLink = function () { return true; }\n * ```\n **/\n\n this.validateLink = validateLink;\n /**\n * MarkdownIt#normalizeLink(url) -> String\n *\n * Function used to encode link url to a machine-readable format,\n * which includes url-encoding, punycode, etc.\n **/\n\n this.normalizeLink = normalizeLink;\n /**\n * MarkdownIt#normalizeLinkText(url) -> String\n *\n * Function used to decode link url to a human-readable format`\n **/\n\n this.normalizeLinkText = normalizeLinkText; // Expose utils & helpers for easy acces from plugins\n\n /**\n * MarkdownIt#utils -> utils\n *\n * Assorted utility functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js).\n **/\n\n this.utils = utils;\n /**\n * MarkdownIt#helpers -> helpers\n *\n * Link components parser functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).\n **/\n\n this.helpers = helpers;\n this.options = {};\n this.configure(presetName);\n\n if (options) {\n this.set(options);\n }\n}\n/** chainable\n * MarkdownIt.set(options)\n *\n * Set parser options (in the same format as in constructor). Probably, you\n * will never need it, but you can change options after constructor call.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .set({ html: true, breaks: true })\n * .set({ typographer, true });\n * ```\n *\n * __Note:__ To achieve the best possible performance, don't modify a\n * `markdown-it` instance options on the fly. If you need multiple configurations\n * it's best to create multiple instances and initialize each with separate\n * config.\n **/\n\n\nMarkdownIt.prototype.set = function (options) {\n utils.assign(this.options, options);\n return this;\n};\n/** chainable, internal\n * MarkdownIt.configure(presets)\n *\n * Batch load of all options and compenent settings. This is internal method,\n * and you probably will not need it. But if you with - see available presets\n * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)\n *\n * We strongly recommend to use presets instead of direct config loads. That\n * will give better compatibility with next versions.\n **/\n\n\nMarkdownIt.prototype.configure = function (presets) {\n var self = this,\n presetName;\n\n if (utils.isString(presets)) {\n presetName = presets;\n presets = config[presetName];\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset \"' + presetName + '\", check name');\n }\n }\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset, can\\'t be empty');\n }\n\n if (presets.options) {\n self.set(presets.options);\n }\n\n if (presets.components) {\n Object.keys(presets.components).forEach(function (name) {\n if (presets.components[name].rules) {\n self[name].ruler.enableOnly(presets.components[name].rules);\n }\n\n if (presets.components[name].rules2) {\n self[name].ruler2.enableOnly(presets.components[name].rules2);\n }\n });\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.enable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to enable\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable list or rules. It will automatically find appropriate components,\n * containing rules with given names. If rule not found, and `ignoreInvalid`\n * not set - throws exception.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .enable(['sub', 'sup'])\n * .disable('smartquotes');\n * ```\n **/\n\n\nMarkdownIt.prototype.enable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.enable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.enable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.disable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * The same as [[MarkdownIt.enable]], but turn specified rules off.\n **/\n\n\nMarkdownIt.prototype.disable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.disable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.disable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.use(plugin, params)\n *\n * Load specified plugin with given params into current parser instance.\n * It's just a sugar to call `plugin(md, params)` with curring.\n *\n * ##### Example\n *\n * ```javascript\n * var iterator = require('markdown-it-for-inline');\n * var md = require('markdown-it')()\n * .use(iterator, 'foo_replace', 'text', function (tokens, idx) {\n * tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');\n * });\n * ```\n **/\n\n\nMarkdownIt.prototype.use = function (plugin\n/*, params, ... */\n) {\n var args = [this].concat(Array.prototype.slice.call(arguments, 1));\n plugin.apply(plugin, args);\n return this;\n};\n/** internal\n * MarkdownIt.parse(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Parse input string and returns list of block tokens (special token type\n * \"inline\" will contain list of inline tokens). You should not call this\n * method directly, until you write custom renderer (for example, to produce\n * AST).\n *\n * `env` is used to pass data between \"distributed\" rules and return additional\n * metadata like reference info, needed for the renderer. It also can be used to\n * inject data in specific cases. Usually, you will be ok to pass `{}`,\n * and then pass updated object to renderer.\n **/\n\n\nMarkdownIt.prototype.parse = function (src, env) {\n var state = new this.core.State(src, this, env);\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.render(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Render markdown string into html. It does all magic for you :).\n *\n * `env` can be used to inject additional metadata (`{}` by default).\n * But you will not need it with high probability. See also comment\n * in [[MarkdownIt.parse]].\n **/\n\n\nMarkdownIt.prototype.render = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parse(src, env), this.options, env);\n};\n/** internal\n * MarkdownIt.parseInline(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the\n * block tokens list with the single `inline` element, containing parsed inline\n * tokens in `children` property. Also updates `env` object.\n **/\n\n\nMarkdownIt.prototype.parseInline = function (src, env) {\n var state = new this.core.State(src, this, env);\n state.inlineMode = true;\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.renderInline(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Similar to [[MarkdownIt.render]] but for single paragraph content. Result\n * will NOT be wrapped into `` tags.\n **/\n\n\nMarkdownIt.prototype.renderInline = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parseInline(src, env), this.options, env);\n};\n\nmodule.exports = MarkdownIt;","'use strict';\n\nvar encodeCache = {}; // Create a lookup array where anything but characters in `chars` string\n// and alphanumeric chars is percent-encoded.\n//\n\nfunction getEncodeCache(exclude) {\n var i,\n ch,\n cache = encodeCache[exclude];\n\n if (cache) {\n return cache;\n }\n\n cache = encodeCache[exclude] = [];\n\n for (i = 0; i < 128; i++) {\n ch = String.fromCharCode(i);\n\n if (/^[0-9a-z]$/i.test(ch)) {\n // always allow unencoded alphanumeric characters\n cache.push(ch);\n } else {\n cache.push('%' + ('0' + i.toString(16).toUpperCase()).slice(-2));\n }\n }\n\n for (i = 0; i < exclude.length; i++) {\n cache[exclude.charCodeAt(i)] = exclude[i];\n }\n\n return cache;\n} // Encode unsafe characters with percent-encoding, skipping already\n// encoded sequences.\n//\n// - string - string to encode\n// - exclude - list of characters to ignore (in addition to a-zA-Z0-9)\n// - keepEscaped - don't encode '%' in a correct escape sequence (default: true)\n//\n\n\nfunction encode(string, exclude, keepEscaped) {\n var i,\n l,\n code,\n nextCode,\n cache,\n result = '';\n\n if (typeof exclude !== 'string') {\n // encode(string, keepEscaped)\n keepEscaped = exclude;\n exclude = encode.defaultChars;\n }\n\n if (typeof keepEscaped === 'undefined') {\n keepEscaped = true;\n }\n\n cache = getEncodeCache(exclude);\n\n for (i = 0, l = string.length; i < l; i++) {\n code = string.charCodeAt(i);\n\n if (keepEscaped && code === 0x25\n /* % */\n && i + 2 < l) {\n if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {\n result += string.slice(i, i + 3);\n i += 2;\n continue;\n }\n }\n\n if (code < 128) {\n result += cache[code];\n continue;\n }\n\n if (code >= 0xD800 && code <= 0xDFFF) {\n if (code >= 0xD800 && code <= 0xDBFF && i + 1 < l) {\n nextCode = string.charCodeAt(i + 1);\n\n if (nextCode >= 0xDC00 && nextCode <= 0xDFFF) {\n result += encodeURIComponent(string[i] + string[i + 1]);\n i++;\n continue;\n }\n }\n\n result += '%EF%BF%BD';\n continue;\n }\n\n result += encodeURIComponent(string[i]);\n }\n\n return result;\n}\n\nencode.defaultChars = \";/?:@&=+$,-_.!~*'()#\";\nencode.componentChars = \"-_.!~*'()\";\nmodule.exports = encode;","'use strict';\n/* eslint-disable no-bitwise */\n\nvar decodeCache = {};\n\nfunction getDecodeCache(exclude) {\n var i,\n ch,\n cache = decodeCache[exclude];\n\n if (cache) {\n return cache;\n }\n\n cache = decodeCache[exclude] = [];\n\n for (i = 0; i < 128; i++) {\n ch = String.fromCharCode(i);\n cache.push(ch);\n }\n\n for (i = 0; i < exclude.length; i++) {\n ch = exclude.charCodeAt(i);\n cache[ch] = '%' + ('0' + ch.toString(16).toUpperCase()).slice(-2);\n }\n\n return cache;\n} // Decode percent-encoded string.\n//\n\n\nfunction decode(string, exclude) {\n var cache;\n\n if (typeof exclude !== 'string') {\n exclude = decode.defaultChars;\n }\n\n cache = getDecodeCache(exclude);\n return string.replace(/(%[a-f0-9]{2})+/gi, function (seq) {\n var i,\n l,\n b1,\n b2,\n b3,\n b4,\n chr,\n result = '';\n\n for (i = 0, l = seq.length; i < l; i += 3) {\n b1 = parseInt(seq.slice(i + 1, i + 3), 16);\n\n if (b1 < 0x80) {\n result += cache[b1];\n continue;\n }\n\n if ((b1 & 0xE0) === 0xC0 && i + 3 < l) {\n // 110xxxxx 10xxxxxx\n b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n\n if ((b2 & 0xC0) === 0x80) {\n chr = b1 << 6 & 0x7C0 | b2 & 0x3F;\n\n if (chr < 0x80) {\n result += \"\\uFFFD\\uFFFD\";\n } else {\n result += String.fromCharCode(chr);\n }\n\n i += 3;\n continue;\n }\n }\n\n if ((b1 & 0xF0) === 0xE0 && i + 6 < l) {\n // 1110xxxx 10xxxxxx 10xxxxxx\n b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n\n if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {\n chr = b1 << 12 & 0xF000 | b2 << 6 & 0xFC0 | b3 & 0x3F;\n\n if (chr < 0x800 || chr >= 0xD800 && chr <= 0xDFFF) {\n result += \"\\uFFFD\\uFFFD\\uFFFD\";\n } else {\n result += String.fromCharCode(chr);\n }\n\n i += 6;\n continue;\n }\n }\n\n if ((b1 & 0xF8) === 0xF0 && i + 9 < l) {\n // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx\n b2 = parseInt(seq.slice(i + 4, i + 6), 16);\n b3 = parseInt(seq.slice(i + 7, i + 9), 16);\n b4 = parseInt(seq.slice(i + 10, i + 12), 16);\n\n if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80 && (b4 & 0xC0) === 0x80) {\n chr = b1 << 18 & 0x1C0000 | b2 << 12 & 0x3F000 | b3 << 6 & 0xFC0 | b4 & 0x3F;\n\n if (chr < 0x10000 || chr > 0x10FFFF) {\n result += \"\\uFFFD\\uFFFD\\uFFFD\\uFFFD\";\n } else {\n chr -= 0x10000;\n result += String.fromCharCode(0xD800 + (chr >> 10), 0xDC00 + (chr & 0x3FF));\n }\n\n i += 9;\n continue;\n }\n }\n\n result += \"\\uFFFD\";\n }\n\n return result;\n });\n}\n\ndecode.defaultChars = ';/?:@&=+$,#';\ndecode.componentChars = '';\nmodule.exports = decode;","'use strict';\n\nmodule.exports = function format(url) {\n var result = '';\n result += url.protocol || '';\n result += url.slashes ? '//' : '';\n result += url.auth ? url.auth + '@' : '';\n\n if (url.hostname && url.hostname.indexOf(':') !== -1) {\n // ipv6 address\n result += '[' + url.hostname + ']';\n } else {\n result += url.hostname || '';\n }\n\n result += url.port ? ':' + url.port : '';\n result += url.pathname || '';\n result += url.search || '';\n result += url.hash || '';\n return result;\n};","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n'use strict'; //\n// Changes from joyent/node:\n//\n// 1. No leading slash in paths,\n// e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`\n//\n// 2. Backslashes are not replaced with slashes,\n// so `http:\\\\example.org\\` is treated like a relative path\n//\n// 3. Trailing colon is treated like a part of the path,\n// i.e. in `http://example.org:foo` pathname is `:foo`\n//\n// 4. Nothing is URL-encoded in the resulting object,\n// (in joyent/node some chars in auth and paths are encoded)\n//\n// 5. `url.parse()` does not have `parseQueryString` argument\n//\n// 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,\n// which can be constructed using other parts of the url.\n//\n\nfunction Url() {\n this.protocol = null;\n this.slashes = null;\n this.auth = null;\n this.port = null;\n this.hostname = null;\n this.hash = null;\n this.search = null;\n this.pathname = null;\n} // Reference: RFC 3986, RFC 1808, RFC 2396\n// define these here so at least they only have to be\n// compiled once on the first module load.\n\n\nvar protocolPattern = /^([a-z0-9.+-]+:)/i,\n portPattern = /:[0-9]*$/,\n // Special case for a simple path URL\nsimplePathPattern = /^(\\/\\/?(?!\\/)[^\\?\\s]*)(\\?[^\\s]*)?$/,\n // RFC 2396: characters reserved for delimiting URLs.\n// We actually just auto-escape these.\ndelims = ['<', '>', '\"', '`', ' ', '\\r', '\\n', '\\t'],\n // RFC 2396: characters not allowed for various reasons.\nunwise = ['{', '}', '|', '\\\\', '^', '`'].concat(delims),\n // Allowed by RFCs, but cause of XSS attacks. Always escape these.\nautoEscape = ['\\''].concat(unwise),\n // Characters that are never ever allowed in a hostname.\n// Note that any invalid chars are also handled, but these\n// are the ones that are *expected* to be seen, so we fast-path\n// them.\nnonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape),\n hostEndingChars = ['/', '?', '#'],\n hostnameMaxLen = 255,\n hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,\n hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,\n // protocols that can allow \"unsafe\" and \"unwise\" chars.\n\n/* eslint-disable no-script-url */\n// protocols that never have a hostname.\nhostlessProtocol = {\n 'javascript': true,\n 'javascript:': true\n},\n // protocols that always contain a // bit.\nslashedProtocol = {\n 'http': true,\n 'https': true,\n 'ftp': true,\n 'gopher': true,\n 'file': true,\n 'http:': true,\n 'https:': true,\n 'ftp:': true,\n 'gopher:': true,\n 'file:': true\n};\n/* eslint-enable no-script-url */\n\nfunction urlParse(url, slashesDenoteHost) {\n if (url && url instanceof Url) {\n return url;\n }\n\n var u = new Url();\n u.parse(url, slashesDenoteHost);\n return u;\n}\n\nUrl.prototype.parse = function (url, slashesDenoteHost) {\n var i,\n l,\n lowerProto,\n hec,\n slashes,\n rest = url; // trim before proceeding.\n // This is to support parse stuff like \" http://foo.com \\n\"\n\n rest = rest.trim();\n\n if (!slashesDenoteHost && url.split('#').length === 1) {\n // Try fast path regexp\n var simplePath = simplePathPattern.exec(rest);\n\n if (simplePath) {\n this.pathname = simplePath[1];\n\n if (simplePath[2]) {\n this.search = simplePath[2];\n }\n\n return this;\n }\n }\n\n var proto = protocolPattern.exec(rest);\n\n if (proto) {\n proto = proto[0];\n lowerProto = proto.toLowerCase();\n this.protocol = proto;\n rest = rest.substr(proto.length);\n } // figure out if it's got a host\n // user@server is *always* interpreted as a hostname, and url\n // resolution will treat //foo/bar as host=foo,path=bar because that's\n // how the browser resolves relative URLs.\n\n\n if (slashesDenoteHost || proto || rest.match(/^\\/\\/[^@\\/]+@[^@\\/]+/)) {\n slashes = rest.substr(0, 2) === '//';\n\n if (slashes && !(proto && hostlessProtocol[proto])) {\n rest = rest.substr(2);\n this.slashes = true;\n }\n }\n\n if (!hostlessProtocol[proto] && (slashes || proto && !slashedProtocol[proto])) {\n // there's a hostname.\n // the first instance of /, ?, ;, or # ends the host.\n //\n // If there is an @ in the hostname, then non-host chars *are* allowed\n // to the left of the last @ sign, unless some host-ending character\n // comes *before* the @-sign.\n // URLs are obnoxious.\n //\n // ex:\n // http://a@b@c/ => user:a@b host:c\n // http://a@b?@c => user:a host:c path:/?@c\n // v0.12 TODO(isaacs): This is not quite how Chrome does things.\n // Review our test case against browsers more comprehensively.\n // find the first instance of any hostEndingChars\n var hostEnd = -1;\n\n for (i = 0; i < hostEndingChars.length; i++) {\n hec = rest.indexOf(hostEndingChars[i]);\n\n if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n hostEnd = hec;\n }\n } // at this point, either we have an explicit point where the\n // auth portion cannot go past, or the last @ char is the decider.\n\n\n var auth, atSign;\n\n if (hostEnd === -1) {\n // atSign can be anywhere.\n atSign = rest.lastIndexOf('@');\n } else {\n // atSign must be in auth portion.\n // http://a@b/c@d => host:b auth:a path:/c@d\n atSign = rest.lastIndexOf('@', hostEnd);\n } // Now we have a portion which is definitely the auth.\n // Pull that off.\n\n\n if (atSign !== -1) {\n auth = rest.slice(0, atSign);\n rest = rest.slice(atSign + 1);\n this.auth = auth;\n } // the host is the remaining to the left of the first non-host char\n\n\n hostEnd = -1;\n\n for (i = 0; i < nonHostChars.length; i++) {\n hec = rest.indexOf(nonHostChars[i]);\n\n if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {\n hostEnd = hec;\n }\n } // if we still have not hit it, then the entire thing is a host.\n\n\n if (hostEnd === -1) {\n hostEnd = rest.length;\n }\n\n if (rest[hostEnd - 1] === ':') {\n hostEnd--;\n }\n\n var host = rest.slice(0, hostEnd);\n rest = rest.slice(hostEnd); // pull out port.\n\n this.parseHost(host); // we've indicated that there is a hostname,\n // so even if it's empty, it has to be present.\n\n this.hostname = this.hostname || ''; // if hostname begins with [ and ends with ]\n // assume that it's an IPv6 address.\n\n var ipv6Hostname = this.hostname[0] === '[' && this.hostname[this.hostname.length - 1] === ']'; // validate a little.\n\n if (!ipv6Hostname) {\n var hostparts = this.hostname.split(/\\./);\n\n for (i = 0, l = hostparts.length; i < l; i++) {\n var part = hostparts[i];\n\n if (!part) {\n continue;\n }\n\n if (!part.match(hostnamePartPattern)) {\n var newpart = '';\n\n for (var j = 0, k = part.length; j < k; j++) {\n if (part.charCodeAt(j) > 127) {\n // we replace non-ASCII char with a temporary placeholder\n // we need this to make sure size of hostname is not\n // broken by replacing non-ASCII by nothing\n newpart += 'x';\n } else {\n newpart += part[j];\n }\n } // we test again with ASCII char only\n\n\n if (!newpart.match(hostnamePartPattern)) {\n var validParts = hostparts.slice(0, i);\n var notHost = hostparts.slice(i + 1);\n var bit = part.match(hostnamePartStart);\n\n if (bit) {\n validParts.push(bit[1]);\n notHost.unshift(bit[2]);\n }\n\n if (notHost.length) {\n rest = notHost.join('.') + rest;\n }\n\n this.hostname = validParts.join('.');\n break;\n }\n }\n }\n }\n\n if (this.hostname.length > hostnameMaxLen) {\n this.hostname = '';\n } // strip [ and ] from the hostname\n // the host field still retains them, though\n\n\n if (ipv6Hostname) {\n this.hostname = this.hostname.substr(1, this.hostname.length - 2);\n }\n } // chop off from the tail first.\n\n\n var hash = rest.indexOf('#');\n\n if (hash !== -1) {\n // got a fragment string.\n this.hash = rest.substr(hash);\n rest = rest.slice(0, hash);\n }\n\n var qm = rest.indexOf('?');\n\n if (qm !== -1) {\n this.search = rest.substr(qm);\n rest = rest.slice(0, qm);\n }\n\n if (rest) {\n this.pathname = rest;\n }\n\n if (slashedProtocol[lowerProto] && this.hostname && !this.pathname) {\n this.pathname = '';\n }\n\n return this;\n};\n\nUrl.prototype.parseHost = function (host) {\n var port = portPattern.exec(host);\n\n if (port) {\n port = port[0];\n\n if (port !== ':') {\n this.port = port.substr(1);\n }\n\n host = host.substr(0, host.length - port.length);\n }\n\n if (host) {\n this.hostname = host;\n }\n};\n\nmodule.exports = urlParse;","'use strict';\n\nexports.Any = require('./properties/Any/regex');\nexports.Cc = require('./categories/Cc/regex');\nexports.Cf = require('./categories/Cf/regex');\nexports.P = require('./categories/P/regex');\nexports.Z = require('./categories/Z/regex');","module.exports = /[\\xAD\\u0600-\\u0605\\u061C\\u06DD\\u070F\\u08E2\\u180E\\u200B-\\u200F\\u202A-\\u202E\\u2060-\\u2064\\u2066-\\u206F\\uFEFF\\uFFF9-\\uFFFB]|\\uD804[\\uDCBD\\uDCCD]|\\uD82F[\\uDCA0-\\uDCA3]|\\uD834[\\uDD73-\\uDD7A]|\\uDB40[\\uDC01\\uDC20-\\uDC7F]/;","// Just a shortcut for bulk export\n'use strict';\n\nexports.parseLinkLabel = require('./parse_link_label');\nexports.parseLinkDestination = require('./parse_link_destination');\nexports.parseLinkTitle = require('./parse_link_title');","/**\n * class Renderer\n *\n * Generates HTML from parsed token stream. Each instance has independent\n * copy of rules. Those can be rewritten with ease. Also, you can add new\n * rules if you create plugin and adds new token types.\n **/\n'use strict';\n\nvar assign = require('./common/utils').assign;\n\nvar unescapeAll = require('./common/utils').unescapeAll;\n\nvar escapeHtml = require('./common/utils').escapeHtml; ////////////////////////////////////////////////////////////////////////////////\n\n\nvar default_rules = {};\n\ndefault_rules.code_inline = function (tokens, idx, options, env, slf) {\n var token = tokens[idx],\n attrs = slf.renderAttrs(token);\n return '' + escapeHtml(tokens[idx].content) + '
';\n};\n\ndefault_rules.code_block = function (tokens, idx, options, env, slf) {\n var token = tokens[idx],\n attrs = slf.renderAttrs(token);\n return '
' + escapeHtml(tokens[idx].content) + '
\\n';\n};\n\ndefault_rules.fence = function (tokens, idx, options, env, slf) {\n var token = tokens[idx],\n info = token.info ? unescapeAll(token.info).trim() : '',\n langName = '',\n highlighted,\n i,\n tmpAttrs,\n tmpToken;\n\n if (info) {\n langName = info.split(/\\s+/g)[0];\n }\n\n if (options.highlight) {\n highlighted = options.highlight(token.content, langName) || escapeHtml(token.content);\n } else {\n highlighted = escapeHtml(token.content);\n }\n\n if (highlighted.indexOf('' + highlighted + '
\\n';\n }\n\n return '' + highlighted + '
\\n';\n};\n\ndefault_rules.image = function (tokens, idx, options, env, slf) {\n var token = tokens[idx]; // \"alt\" attr MUST be set, even if empty. Because it's mandatory and\n // should be placed on proper position for tests.\n //\n // Replace content with actual value\n\n token.attrs[token.attrIndex('alt')][1] = slf.renderInlineAsText(token.children, options, env);\n return slf.renderToken(tokens, idx, options);\n};\n\ndefault_rules.hardbreak = function (tokens, idx, options\n/*, env */\n) {\n return options.xhtmlOut ? '
\\n' : '
\\n';\n};\n\ndefault_rules.softbreak = function (tokens, idx, options\n/*, env */\n) {\n return options.breaks ? options.xhtmlOut ? '
\\n' : '
\\n' : '\\n';\n};\n\ndefault_rules.text = function (tokens, idx\n/*, options, env */\n) {\n return escapeHtml(tokens[idx].content);\n};\n\ndefault_rules.html_block = function (tokens, idx\n/*, options, env */\n) {\n return tokens[idx].content;\n};\n\ndefault_rules.html_inline = function (tokens, idx\n/*, options, env */\n) {\n return tokens[idx].content;\n};\n/**\n * new Renderer()\n *\n * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.\n **/\n\n\nfunction Renderer() {\n /**\n * Renderer#rules -> Object\n *\n * Contains render rules for tokens. Can be updated and extended.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * md.renderer.rules.strong_open = function () { return ''; };\n * md.renderer.rules.strong_close = function () { return ''; };\n *\n * var result = md.renderInline(...);\n * ```\n *\n * Each rule is called as independed static function with fixed signature:\n *\n * ```javascript\n * function my_token_render(tokens, idx, options, env, renderer) {\n * // ...\n * return renderedHTML;\n * }\n * ```\n *\n * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js)\n * for more details and examples.\n **/\n this.rules = assign({}, default_rules);\n}\n/**\n * Renderer.renderAttrs(token) -> String\n *\n * Render token attributes to string.\n **/\n\n\nRenderer.prototype.renderAttrs = function renderAttrs(token) {\n var i, l, result;\n\n if (!token.attrs) {\n return '';\n }\n\n result = '';\n\n for (i = 0, l = token.attrs.length; i < l; i++) {\n result += ' ' + escapeHtml(token.attrs[i][0]) + '=\"' + escapeHtml(token.attrs[i][1]) + '\"';\n }\n\n return result;\n};\n/**\n * Renderer.renderToken(tokens, idx, options) -> String\n * - tokens (Array): list of tokens\n * - idx (Numbed): token index to render\n * - options (Object): params of parser instance\n *\n * Default token renderer. Can be overriden by custom function\n * in [[Renderer#rules]].\n **/\n\n\nRenderer.prototype.renderToken = function renderToken(tokens, idx, options) {\n var nextToken,\n result = '',\n needLf = false,\n token = tokens[idx]; // Tight list paragraphs\n\n if (token.hidden) {\n return '';\n } // Insert a newline between hidden paragraph and subsequent opening\n // block-level tag.\n //\n // For example, here we should insert a newline before blockquote:\n // - a\n // >\n //\n\n\n if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {\n result += '\\n';\n } // Add token name, e.g. `