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marked

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A markdown parser built for speed

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/** * marked - a markdown parser * Copyright (c) 2011-2020, Christopher Jeffrey. (MIT Licensed) * https://github.com/markedjs/marked */ /** * DO NOT EDIT THIS FILE * The code in this file is generated from files in ./src/ */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.marked = factory()); }(this, (function () { 'use strict'; function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); } function createCommonjsModule(fn, module) { return module = { exports: {} }, fn(module, module.exports), module.exports; } var defaults = createCommonjsModule(function (module) { function getDefaults() { return { baseUrl: null, breaks: false, gfm: true, headerIds: true, headerPrefix: '', highlight: null, langPrefix: 'language-', mangle: true, pedantic: false, renderer: null, sanitize: false, sanitizer: null, silent: false, smartLists: false, smartypants: false, tokenizer: null, walkTokens: null, xhtml: false }; } function changeDefaults(newDefaults) { module.exports.defaults = newDefaults; } module.exports = { defaults: getDefaults(), getDefaults: getDefaults, changeDefaults: changeDefaults }; }); var defaults_1 = defaults.defaults; var defaults_2 = defaults.getDefaults; var defaults_3 = defaults.changeDefaults; /** * Helpers */ var escapeTest = /[&<>"']/; var escapeReplace = /[&<>"']/g; var escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/; var escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g; var escapeReplacements = { '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }; var getEscapeReplacement = function getEscapeReplacement(ch) { return escapeReplacements[ch]; }; function escape(html, encode) { if (encode) { if (escapeTest.test(html)) { return html.replace(escapeReplace, getEscapeReplacement); } } else { if (escapeTestNoEncode.test(html)) { return html.replace(escapeReplaceNoEncode, getEscapeReplacement); } } return html; } var unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig; function unescape(html) { // explicitly match decimal, hex, and named HTML entities return html.replace(unescapeTest, function (_, n) { n = n.toLowerCase(); if (n === 'colon') return ':'; if (n.charAt(0) === '#') { return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1)); } return ''; }); } var caret = /(^|[^\[])\^/g; function edit(regex, opt) { regex = regex.source || regex; opt = opt || ''; var obj = { replace: function replace(name, val) { val = val.source || val; val = val.replace(caret, '$1'); regex = regex.replace(name, val); return obj; }, getRegex: function getRegex() { return new RegExp(regex, opt); } }; return obj; } var nonWordAndColonTest = /[^\w:]/g; var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i; function cleanUrl(sanitize, base, href) { if (sanitize) { var prot; try { prot = decodeURIComponent(unescape(href)).replace(nonWordAndColonTest, '').toLowerCase(); } catch (e) { return null; } if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) { return null; } } if (base && !originIndependentUrl.test(href)) { href = resolveUrl(base, href); } try { href = encodeURI(href).replace(/%25/g, '%'); } catch (e) { return null; } return href; } var baseUrls = {}; var justDomain = /^[^:]+:\/*[^/]*$/; var protocol = /^([^:]+:)[\s\S]*$/; var domain = /^([^:]+:\/*[^/]*)[\s\S]*$/; function resolveUrl(base, href) { if (!baseUrls[' ' + base]) { // we can ignore everything in base after the last slash of its path component, // but we might need to add _that_ // https://tools.ietf.org/html/rfc3986#section-3 if (justDomain.test(base)) { baseUrls[' ' + base] = base + '/'; } else { baseUrls[' ' + base] = rtrim(base, '/', true); } } base = baseUrls[' ' + base]; var relativeBase = base.indexOf(':') === -1; if (href.substring(0, 2) === '//') { if (relativeBase) { return href; } return base.replace(protocol, '$1') + href; } else if (href.charAt(0) === '/') { if (relativeBase) { return href; } return base.replace(domain, '$1') + href; } else { return base + href; } } var noopTest = { exec: function noopTest() {} }; function merge(obj) { var i = 1, target, key; for (; i < arguments.length; i++) { target = arguments[i]; for (key in target) { if (Object.prototype.hasOwnProperty.call(target, key)) { obj[key] = target[key]; } } } return obj; } function splitCells(tableRow, count) { // ensure that every cell-delimiting pipe has a space // before it to distinguish it from an escaped pipe var row = tableRow.replace(/\|/g, function (match, offset, str) { var escaped = false, curr = offset; while (--curr >= 0 && str[curr] === '\\') { escaped = !escaped; } if (escaped) { // odd number of slashes means | is escaped // so we leave it alone return '|'; } else { // add space before unescaped | return ' |'; } }), cells = row.split(/ \|/); var i = 0; if (cells.length > count) { cells.splice(count); } else { while (cells.length < count) { cells.push(''); } } for (; i < cells.length; i++) { // leading or trailing whitespace is ignored per the gfm spec cells[i] = cells[i].trim().replace(/\\\|/g, '|'); } return cells; } // Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). // /c*$/ is vulnerable to REDOS. // invert: Remove suffix of non-c chars instead. Default falsey. function rtrim(str, c, invert) { var l = str.length; if (l === 0) { return ''; } // Length of suffix matching the invert condition. var suffLen = 0; // Step left until we fail to match the invert condition. while (suffLen < l) { var currChar = str.charAt(l - suffLen - 1); if (currChar === c && !invert) { suffLen++; } else if (currChar !== c && invert) { suffLen++; } else { break; } } return str.substr(0, l - suffLen); } function findClosingBracket(str, b) { if (str.indexOf(b[1]) === -1) { return -1; } var l = str.length; var level = 0, i = 0; for (; i < l; i++) { if (str[i] === '\\') { i++; } else if (str[i] === b[0]) { level++; } else if (str[i] === b[1]) { level--; if (level < 0) { return i; } } } return -1; } function checkSanitizeDeprecation(opt) { if (opt && opt.sanitize && !opt.silent) { console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options'); } } // copied from https://stackoverflow.com/a/5450113/806777 function repeatString(pattern, count) { if (count < 1) { return ''; } var result = ''; while (count > 1) { if (count & 1) { result += pattern; } count >>= 1; pattern += pattern; } return result + pattern; } var helpers = { escape: escape, unescape: unescape, edit: edit, cleanUrl: cleanUrl, resolveUrl: resolveUrl, noopTest: noopTest, merge: merge, splitCells: splitCells, rtrim: rtrim, findClosingBracket: findClosingBracket, checkSanitizeDeprecation: checkSanitizeDeprecation, repeatString: repeatString }; var defaults$1 = defaults.defaults; var rtrim$1 = helpers.rtrim, splitCells$1 = helpers.splitCells, _escape = helpers.escape, findClosingBracket$1 = helpers.findClosingBracket; function outputLink(cap, link, raw) { var href = link.href; var title = link.title ? _escape(link.title) : null; var text = cap[1].replace(/\\([\[\]])/g, '$1'); if (cap[0].charAt(0) !== '!') { return { type: 'link', raw: raw, href: href, title: title, text: text }; } else { return { type: 'image', raw: raw, href: href, title: title, text: _escape(text) }; } } function indentCodeCompensation(raw, text) { var matchIndentToCode = raw.match(/^(\s+)(?:```)/); if (matchIndentToCode === null) { return text; } var indentToCode = matchIndentToCode[1]; return text.split('\n').map(function (node) { var matchIndentInNode = node.match(/^\s+/); if (matchIndentInNode === null) { return node; } var indentInNode = matchIndentInNode[0]; if (indentInNode.length >= indentToCode.length) { return node.slice(indentToCode.length); } return node; }).join('\n'); } /** * Tokenizer */ var Tokenizer_1 = /*#__PURE__*/function () { function Tokenizer(options) { this.options = options || defaults$1; } var _proto = Tokenizer.prototype; _proto.space = function space(src) { var cap = this.rules.block.newline.exec(src); if (cap) { if (cap[0].length > 1) { return { type: 'space', raw: cap[0] }; } return { raw: '\n' }; } }; _proto.code = function code(src, tokens) { var cap = this.rules.block.code.exec(src); if (cap) { var lastToken = tokens[tokens.length - 1]; // An indented code block cannot interrupt a paragraph. if (lastToken && lastToken.type === 'paragraph') { return { raw: cap[0], text: cap[0].trimRight() }; } var text = cap[0].replace(/^ {4}/gm, ''); return { type: 'code', raw: cap[0], codeBlockStyle: 'indented', text: !this.options.pedantic ? rtrim$1(text, '\n') : text }; } }; _proto.fences = function fences(src) { var cap = this.rules.block.fences.exec(src); if (cap) { var raw = cap[0]; var text = indentCodeCompensation(raw, cap[3] || ''); return { type: 'code', raw: raw, lang: cap[2] ? cap[2].trim() : cap[2], text: text }; } }; _proto.heading = function heading(src) { var cap = this.rules.block.heading.exec(src); if (cap) { return { type: 'heading', raw: cap[0], depth: cap[1].length, text: cap[2] }; } }; _proto.nptable = function nptable(src) { var cap = this.rules.block.nptable.exec(src); if (cap) { var item = { type: 'table', header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [], raw: cap[0] }; if (item.header.length === item.align.length) { var l = item.align.length; var i; for (i = 0; i < l; i++) { if (/^ *-+: *$/.test(item.align[i])) { item.align[i] = 'right'; } else if (/^ *:-+: *$/.test(item.align[i])) { item.align[i] = 'center'; } else if (/^ *:-+ *$/.test(item.align[i])) { item.align[i] = 'left'; } else { item.align[i] = null; } } l = item.cells.length; for (i = 0; i < l; i++) { item.cells[i] = splitCells$1(item.cells[i], item.header.length); } return item; } } }; _proto.hr = function hr(src) { var cap = this.rules.block.hr.exec(src); if (cap) { return { type: 'hr', raw: cap[0] }; } }; _proto.blockquote = function blockquote(src) { var cap = this.rules.block.blockquote.exec(src); if (cap) { var text = cap[0].replace(/^ *> ?/gm, ''); return { type: 'blockquote', raw: cap[0], text: text }; } }; _proto.list = function list(src) { var cap = this.rules.block.list.exec(src); if (cap) { var raw = cap[0]; var bull = cap[2]; var isordered = bull.length > 1; var list = { type: 'list', raw: raw, ordered: isordered, start: isordered ? +bull.slice(0, -1) : '', loose: false, items: [] }; // Get each top-level item. var itemMatch = cap[0].match(this.rules.block.item); var next = false, item, space, bcurr, bnext, addBack, loose, istask, ischecked; var l = itemMatch.length; bcurr = this.rules.block.listItemStart.exec(itemMatch[0]); for (var i = 0; i < l; i++) { item = itemMatch[i]; raw = item; // Determine whether the next list item belongs here. // Backpedal if it does not belong in this list. if (i !== l - 1) { bnext = this.rules.block.listItemStart.exec(itemMatch[i + 1]); if (bnext[1].length > bcurr[0].length || bnext[1].length > 3) { // nested list itemMatch.splice(i, 2, itemMatch[i] + '\n' + itemMatch[i + 1]); i--; l--; continue; } else { if ( // different bullet style !this.options.pedantic || this.options.smartLists ? bnext[2][bnext[2].length - 1] !== bull[bull.length - 1] : isordered === (bnext[2].length === 1)) { addBack = itemMatch.slice(i + 1).join('\n'); list.raw = list.raw.substring(0, list.raw.length - addBack.length); i = l - 1; } } bcurr = bnext; } // Remove the list item's bullet // so it is seen as the next token. space = item.length; item = item.replace(/^ *([*+-]|\d+[.)]) ?/, ''); // Outdent whatever the // list item contains. Hacky. if (~item.indexOf('\n ')) { space -= item.length; item = !this.options.pedantic ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') : item.replace(/^ {1,4}/gm, ''); } // Determine whether item is loose or not. // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ // for discount behavior. loose = next || /\n\n(?!\s*$)/.test(item); if (i !== l - 1) { next = item.charAt(item.length - 1) === '\n'; if (!loose) loose = next; } if (loose) { list.loose = true; } // Check for task list items if (this.options.gfm) { istask = /^\[[ xX]\] /.test(item); ischecked = undefined; if (istask) { ischecked = item[1] !== ' '; item = item.replace(/^\[[ xX]\] +/, ''); } } list.items.push({ type: 'list_item', raw: raw, task: istask, checked: ischecked, loose: loose, text: item }); } return list; } }; _proto.html = function html(src) { var cap = this.rules.block.html.exec(src); if (cap) { return { type: this.options.sanitize ? 'paragraph' : 'html', raw: cap[0], pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : _escape(cap[0]) : cap[0] }; } }; _proto.def = function def(src) { var cap = this.rules.block.def.exec(src); if (cap) { if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1); var tag = cap[1].toLowerCase().replace(/\s+/g, ' '); return { tag: tag, raw: cap[0], href: cap[2], title: cap[3] }; } }; _proto.table = function table(src) { var cap = this.rules.block.table.exec(src); if (cap) { var item = { type: 'table', header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [] }; if (item.header.length === item.align.length) { item.raw = cap[0]; var l = item.align.length; var i; for (i = 0; i < l; i++) { if (/^ *-+: *$/.test(item.align[i])) { item.align[i] = 'right'; } else if (/^ *:-+: *$/.test(item.align[i])) { item.align[i] = 'center'; } else if (/^ *:-+ *$/.test(item.align[i])) { item.align[i] = 'left'; } else { item.align[i] = null; } } l = item.cells.length; for (i = 0; i < l; i++) { item.cells[i] = splitCells$1(item.cells[i].replace(/^ *\| *| *\| *$/g, ''), item.header.length); } return item; } } }; _proto.lheading = function lheading(src) { var cap = this.rules.block.lheading.exec(src); if (cap) { return { type: 'heading', raw: cap[0], depth: cap[2].charAt(0) === '=' ? 1 : 2, text: cap[1] }; } }; _proto.paragraph = function paragraph(src) { var cap = this.rules.block.paragraph.exec(src); if (cap) { return { type: 'paragraph', raw: cap[0], text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1] }; } }; _proto.text = function text(src, tokens) { var cap = this.rules.block.text.exec(src); if (cap) { var lastToken = tokens[tokens.length - 1]; if (lastToken && lastToken.type === 'text') { return { raw: cap[0], text: cap[0] }; } return { type: 'text', raw: cap[0], text: cap[0] }; } }; _proto.escape = function escape(src) { var cap = this.rules.inline.escape.exec(src); if (cap) { return { type: 'escape', raw: cap[0], text: _escape(cap[1]) }; } }; _proto.tag = function tag(src, inLink, inRawBlock) { var cap = this.rules.inline.tag.exec(src); if (cap) { if (!inLink && /^<a /i.test(cap[0])) { inLink = true; } else if (inLink && /^<\/a>/i.test(cap[0])) { inLink = false; } if (!inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { inRawBlock = true; } else if (inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { inRawBlock = false; } return { type: this.options.sanitize ? 'text' : 'html', raw: cap[0], inLink: inLink, inRawBlock: inRawBlock, text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : _escape(cap[0]) : cap[0] }; } }; _proto.link = function link(src) { var cap = this.rules.inline.link.exec(src); if (cap) { var lastParenIndex = findClosingBracket$1(cap[2], '()'); if (lastParenIndex > -1) { var start = cap[0].indexOf('!') === 0 ? 5 : 4; var linkLen = start + cap[1].length + lastParenIndex; cap[2] = cap[2].substring(0, lastParenIndex); cap[0] = cap[0].substring(0, linkLen).trim(); cap[3] = ''; } var href = cap[2]; var title = ''; if (this.options.pedantic) { var link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); if (link) { href = link[1]; title = link[3]; } else { title = ''; } } else { title = cap[3] ? cap[3].slice(1, -1) : ''; } href = href.trim().replace(/^<([\s\S]*)>$/, '$1'); var token = outputLink(cap, { href: href ? href.replace(this.rules.inline._escapes, '$1') : href, title: title ? title.replace(this.rules.inline._escapes, '$1') : title }, cap[0]); return token; } }; _proto.reflink = function reflink(src, links) { var cap; if ((cap = this.rules.inline.reflink.exec(src)) || (cap = this.rules.inline.nolink.exec(src))) { var link = (cap[2] || cap[1]).replace(/\s+/g, ' '); link = links[link.toLowerCase()]; if (!link || !link.href) { var text = cap[0].charAt(0); return { type: 'text', raw: text, text: text }; } var token = outputLink(cap, link, cap[0]); return token; } }; _proto.strong = function strong(src, maskedSrc, prevChar) { if (prevChar === void 0) { prevChar = ''; } var match = this.rules.inline.strong.start.exec(src); if (match && (!match[1] || match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) { maskedSrc = maskedSrc.slice(-1 * src.length); var endReg = match[0] === '**' ? this.rules.inline.strong.endAst : this.rules.inline.strong.endUnd; endReg.lastIndex = 0; var cap; while ((match = endReg.exec(maskedSrc)) != null) { cap = this.rules.inline.strong.middle.exec(maskedSrc.slice(0, match.index + 3)); if (cap) { return { type: 'strong', raw: src.slice(0, cap[0].length), text: src.slice(2, cap[0].length - 2) }; } } } }; _proto.em = function em(src, maskedSrc, prevChar) { if (prevChar === void 0) { prevChar = ''; } var match = this.rules.inline.em.start.exec(src); if (match && (!match[1] || match[1] && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) { maskedSrc = maskedSrc.slice(-1 * src.length); var endReg = match[0] === '*' ? this.rules.inline.em.endAst : this.rules.inline.em.endUnd; endReg.lastIndex = 0; var cap; while ((match = endReg.exec(maskedSrc)) != null) { cap = this.rules.inline.em.middle.exec(maskedSrc.slice(0, match.index + 2)); if (cap) { return { type: 'em', raw: src.slice(0, cap[0].length), text: src.slice(1, cap[0].length - 1) }; } } } }; _proto.codespan = function codespan(src) { var cap = this.rules.inline.code.exec(src); if (cap) { var text = cap[2].replace(/\n/g, ' '); var hasNonSpaceChars = /[^ ]/.test(text); var hasSpaceCharsOnBothEnds = text.startsWith(' ') && text.endsWith(' '); if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) { text = text.substring(1, text.length - 1); } text = _escape(text, true); return { type: 'codespan', raw: cap[0], text: text }; } }; _proto.br = function br(src) { var cap = this.rules.inline.br.exec(src); if (cap) { return { type: 'br', raw: cap[0] }; } }; _proto.del = function del(src) { var cap = this.rules.inline.del.exec(src); if (cap) { return { type: 'del', raw: cap[0], text: cap[2] }; } }; _proto.autolink = function autolink(src, mangle) { var cap = this.rules.inline.autolink.exec(src); if (cap) { var text, href; if (cap[2] === '@') { text = _escape(this.options.mangle ? mangle(cap[1]) : cap[1]); href = 'mailto:' + text; } else { text = _escape(cap[1]); href = text; } return { type: 'link', raw: cap[0], text: text, href: href, tokens: [{ type: 'text', raw: text, text: text }] }; } }; _proto.url = function url(src, mangle) { var cap; if (cap = this.rules.inline.url.exec(src)) { var text, href; if (cap[2] === '@') { text = _escape(this.options.mangle ? mangle(cap[0]) : cap[0]); href = 'mailto:' + text; } else { // do extended autolink path validation var prevCapZero; do { prevCapZero = cap[0]; cap[0] = this.rules.inline._backpedal.exec(cap[0])[0]; } while (prevCapZero !== cap[0]); text = _escape(cap[0]); if (cap[1] === 'www.') { href = 'http://' + text; } else { href = text; } } return { type: 'link', raw: cap[0], text: text, href: href, tokens: [{ type: 'text', raw: text, text: text }] }; } }; _proto.inlineText = function inlineText(src, inRawBlock, smartypants) { var cap = this.rules.inline.text.exec(src); if (cap) { var text; if (inRawBlock) { text = this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : _escape(cap[0]) : cap[0]; } else { text = _escape(this.options.smartypants ? smartypants(cap[0]) : cap[0]); } return { type: 'text', raw: cap[0], text: text }; } }; return Tokenizer; }(); var noopTest$1 = helpers.noopTest, edit$1 = helpers.edit, merge$1 = helpers.merge; /** * Block-Level Grammar */ var block = { newline: /^\n+/, code: /^( {4}[^\n]+\n*)+/, fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/, hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/, heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/, blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?! {0,3}bull )\n*|\s*$)/, html: '^ {0,3}(?:' // optional indentation + '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1) + '|comment[^\\n]*(\\n+|$)' // (2) + '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3) + '|<![A-Z][\\s\\S]*?(?:>\\n*|$)' // (4) + '|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)' // (5) + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6) + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag + '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag + ')', def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/, nptable: noopTest$1, table: noopTest$1, lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/, // regex template, placeholders will be replaced according to different paragraph // interruption rules of commonmark and the original markdown spec: _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/, text: /^[^\n]+/ }; block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/; block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/; block.def = edit$1(block.def).replace('label', block._label).replace('title', block._title).getRegex(); block.bullet = /(?:[*+-]|\d{1,9}[.)])/; block.item = /^( *)(bull) ?[^\n]*(?:\n(?! *bull ?)[^\n]*)*/; block.item = edit$1(block.item, 'gm').replace(/bull/g, block.bullet).getRegex(); block.listItemStart = edit$1(/^( *)(bull)/).replace('bull', block.bullet).getRegex(); block.list = edit$1(block.list).replace(/bull/g, block.bullet).replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))').replace('def', '\\n+(?=' + block.def.source + ')').getRegex(); block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + '|track|ul'; block._comment = /<!--(?!-?>)[\s\S]*?(?:-->|$)/; block.html = edit$1(block.html, 'i').replace('comment', block._comment).replace('tag', block._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex(); block.paragraph = edit$1(block._paragraph).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs .replace('blockquote', ' {0,3}>').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // pars can be interrupted by type (6) html blocks .getRegex(); block.blockquote = edit$1(block.blockquote).replace('paragraph', block.paragraph).getRegex(); /** * Normal Block Grammar */ block.normal = merge$1({}, block); /** * GFM Block Grammar */ block.gfm = merge$1({}, block.normal, { nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header + ' {0,3}([-:]+ *\\|[-| :]*)' // Align + '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells table: '^ *\\|(.+)\\n' // Header + ' {0,3}\\|?( *[-:]+[-| :]*)' // Align + '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells }); block.gfm.nptable = edit$1(block.gfm.nptable).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // tables can be interrupted by type (6) html blocks .getRegex(); block.gfm.table = edit$1(block.gfm.table).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} ').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // tables can be interrupted by type (6) html blocks .getRegex(); /** * Pedantic grammar (original John Gruber's loose markdown specification) */ block.pedantic = merge$1({}, block.normal, { html: edit$1('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', block._comment).replace(/tag/g, '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(), def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/, heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/, fences: noopTest$1, // fences not supported paragraph: edit$1(block.normal._paragraph).replace('hr', block.hr).replace('heading', ' *#{1,6} *[^\n]').replace('lheading', block.lheading).replace('blockquote', ' {0,3}>').replace('|fences', '').replace('|list', '').replace('|html', '').getRegex() }); /** * Inline-Level Grammar */ var inline = { escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, url: noopTest$1, tag: '^comment' + '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?> + '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html> + '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>', // CDATA section link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/, reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/, nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/, reflinkSearch: 'reflink|nolink(?!\\()', strong: { start: /^(?:(\*\*(?=[*punctuation]))|\*\*)(?![\s])|__/, // (1) returns if starts w/ punctuation middle: /^\*\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*\*$|^__(?![\s])((?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?)__$/, endAst: /[^punctuation\s]\*\*(?!\*)|[punctuation]\*\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline) endUnd: /[^\s]__(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline) }, em: { start: /^(?:(\*(?=[punctuation]))|\*)(?![*\s])|_/, // (1) returns if starts w/ punctuation middle: /^\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*$|^_(?![_\s])(?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?_$/, endAst: /[^punctuation\s]\*(?!\*)|[punctuation]\*(?!\*)(?:(?=[punctuation_\s]|$))/, // last char can't be punct, or final * must also be followed by punct (or endline) endUnd: /[^\s]_(?!_)(?:(?=[punctuation*\s])|$)/ // last char can't be a space, and final _ must preceed punct or \s (or endline) }, code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, br: /^( {2,}|\\)\n(?!\s*$)/, del: noopTest$1, text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n)))/, punctuation: /^([\s*punctuation])/ }; // list of punctuation marks from common mark spec // without * and _ to workaround cases with double emphasis inline._punctuation = '!"#$%&\'()+\\-.,/:;<=>?@\\[\\]`^{|}~'; inline.punctuation = edit$1(inline.punctuation).replace(/punctuation/g, inline._punctuation).getRegex(); // sequences em should skip over [title](link), `code`, <html> inline._blockSkip = '\\[[^\\]]*?\\]\\([^\\)]*?\\)|`[^`]*?`|<[^>]*?>'; inline._overlapSkip = '__[^_]*?__|\\*\\*\\[^\\*\\]*?\\*\\*'; inline._comment = edit$1(block._comment).replace('(?:-->|$)', '-->').getRegex(); inline.em.start = edit$1(inline.em.start).replace(/punctuation/g, inline._punctuation).getRegex(); inline.em.middle = edit$1(inline.em.middle).replace(/punctuation/g, inline._punctuation).replace(/overlapSkip/g, inline._overlapSkip).getRegex(); inline.em.endAst = edit$1(inline.em.endAst, 'g').replace(/punctuation/g, inline._punctuation).getRegex(); inline.em.endUnd = edit$1(inline.em.endUnd, 'g').replace(/punctuation/g, inline._punctuation).getRegex(); inline.strong.start = edit$1(inline.strong.start).replace(/punctuation/g, inline._punctuation).getRegex(); inline.strong.middle = edit$1(inline.strong.middle).replace(/punctuation/g, inline._punctuation).replace(/overlapSkip/g, inline._overlapSkip).getRegex(); inline.strong.endAst = edit$1(inline.strong.endAst, 'g').replace(/punctuation/g, inline._punctuation).getRegex(); inline.strong.endUnd = edit$1(inline.strong.endUnd, 'g').replace(/punctuation/g, inline._punctuation).getRegex(); inline.blockSkip = edit$1(inline._blockSkip, 'g').getRegex(); inline.overlapSkip = edit$1(inline._overlapSkip, 'g').getRegex(); inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g; inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/; inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/; inline.autolink = edit$1(inline.autolink).replace('scheme', inline._scheme).replace('email', inline._email).getRegex(); inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/; inline.tag = edit$1(inline.tag).replace('comment', inline._comment).replace('attribute', inline._attribute).getRegex(); inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/; inline._href = /<(?:\\[<>]?|[^\s<>\\])*>|[^\s\x00-\x1f]*/; inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/; inline.link = edit$1(inline.link).replace('label', inline._label).replace('href', inline._href).replace('title', inline._title).getRegex(); inline.reflink = edit$1(inline.reflink).replace('label', inline._label).getRegex(); inline.reflinkSearch = edit$1(inline.reflinkSearch, 'g').replace('reflink', inline.reflink).replace('nolink', inline.nolink).getRegex(); /** * Normal Inline Grammar */ inline.normal = merge$1({}, inline); /** * Pedantic Inline Grammar */ inline.pedantic = merge$1({}, inline.normal, { strong: { start: /^__|\*\*/, middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, endAst: /\*\*(?!\*)/g, endUnd: /__(?!_)/g }, em: { start: /^_|\*/, middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/, endAst: /\*(?!\*)/g, endUnd: /_(?!_)/g }, link: edit$1(/^!?\[(label)\]\((.*?)\)/).replace('label', inline._label).getRegex(), reflink: edit$1(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline._label).getRegex() }); /** * GFM Inline Grammar */ inline.gfm = merge$1({}, inline.normal, { escape: edit$1(inline.escape).replace('])', '~|])').getRegex(), _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/, url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/, del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/, text: /^([`~]+|[^`~])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/ }); inline.gfm.url = edit$1(inline.gfm.url, 'i').replace('email', inline.gfm._extended_email).getRegex(); /** * GFM + Line Breaks Inline Grammar */ inline.breaks = merge$1({}, inline.gfm, { br: edit$1(inline.br).replace('{2,}', '*').getRegex(), text: edit$1(inline.gfm.text).replace('\\b_', '\\b_| {2,}\\n').replace(/\{2,\}/g, '*').getRegex() }); var rules = { block: block, inline: inline }; var defaults$2 = defaults.defaults; var block$1 = rules.block, inline$1 = rules.inline; var repeatString$1 = helpers.repeatString; /** * smartypants text replacement */ function smartypants(text) { return text // em-dashes .replace(/---/g, "\u2014") // en-dashes .replace(/--/g, "\u2013") // opening singles .replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018") // closing singles & apostrophes .replace(/'/g, "\u2019") // opening doubles .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C") // closing doubles .replace(/"/g, "\u201D") // ellipses .replace(/\.{3}/g, "\u2026"); } /** * mangle email addresses */ function mangle(text) { var out = '', i, ch; var l = text.length; for (i = 0; i < l; i++) { ch = text.charCodeAt(i); if (Math.random() > 0.5) { ch = 'x' + ch.toString(16); } out += '&#' + ch + ';'; } return out; } /** * Block Lexer */ var Lexer_1 = /*#__PURE__*/function () { function Lexer(options) { this.tokens = []; this.tokens.links = Object.create(null); this.options = options || defaults$2; this.options.tokenizer = this.options.tokenizer || new Tokenizer_1(); this.tokenizer = this.options.tokenizer; this.tokenizer.options = this.options; var rules = { block: block$1.normal, inline: inline$1.normal }; if (this.options.pedantic) { rules.block = block$1.pedantic; rules.inline = inline$1.pedantic; } else if (this.options.gfm) { rules.block = block$1.gfm; if (this.options.breaks) { rules.inline = inline$1.breaks; } else { rules.inline = inline$1.gfm; } } this.tokenizer.rules = rules; } /** * Expose Rules */ /** * Static Lex Method */ Lexer.lex = function lex(src, options) { var lexer = new Lexer(options); return lexer.lex(src); } /** * Static Lex Inline Method */ ; Lexer.lexInline = function lexInline(src, options) { var lexer = new Lexer(options); return lexer.inlineTokens(src); } /** * Preprocessing */ ; var _proto = Lexer.prototype; _proto.lex = function lex(src) { src = src.replace(/\r\n|\r/g, '\n').replace(/\t/g, ' '); this.blockTokens(src, this.tokens, true); this.inline(this.tokens); return this.tokens; } /** * Lexing */ ; _proto.blockTokens = function blockTokens(src, tokens, top) { if (tokens === void 0) { tokens = []; } if (top === void 0) { top = true; } src = src.replace(/^ +$/gm, ''); var token, i, l, lastToken; while (src) { // newline if (token = this.tokenizer.space(src)) { src = src.substring(token.raw.length); if (token.type) { tokens.push(token); } continue; } // code if (token = this.tokenizer.code(src, tokens)) { src = src.substring(token.raw.length); if (token.type) { tokens.push(token); } else { lastToken = tokens[tokens.length - 1]; lastToken.raw += '\n' + token.raw; lastToken.text += '\n' + token.text; } continue; } // fences if (token = this.tokenizer.fences(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // heading if (token = this.tokenizer.heading(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // table no leading pipe (gfm) if (token = this.tokenizer.nptable(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // hr if (token = this.tokenizer.hr(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // blockquote if (token = this.tokenizer.blockquote(src)) { src = src.substring(token.raw.length); token.tokens = this.blockTokens(token.text, [], top); tokens.push(token); continue; } // list if (token = this.tokenizer.list(src)) { src = src.substring(token.raw.length); l = token.items.length; for (i = 0; i < l; i++) { token.items[i].tokens = this.blockTokens(token.items[i].text, [], false); } tokens.push(token); continue; } // html if (token = this.tokenizer.html(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // def if (top && (token = this.tokenizer.def(src))) { src = src.substring(token.raw.length); if (!this.tokens.links[token.tag]) { this.tokens.links[token.tag] = { href: token.href, title: token.title }; } continue; } // table (gfm) if (token = this.tokenizer.table(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // lheading if (token = this.tokenizer.lheading(src)) { src = src.substring(token.raw.length); tokens.push(token); continue; } // top-level paragraph if (top && (token = this.tokenizer.paragraph(src))) { src = src.substring(token.raw.length); tokens.push(token); continue; } // text if (token = this.tokenizer.text(src, tokens)) { src = src.substring(token.raw.length); if (token.type) { tokens.push(token); } else { lastToken = tokens[tokens.length - 1]; lastToken.raw += '\n' + token.raw; lastToken.text += '\n' + token.text; } continue; } if (src) { var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); if (this.options.silent) { console.error(errMsg); break; } else { throw new Error(errMsg); } } } return tokens; }; _proto.inline = function inline(tokens) { var i, j, k, l2, row, token; var l = tokens.length; for (i = 0; i < l; i++) { token = tokens[i]; switch (token.type) { case 'paragraph': case 'text': case 'heading': { token.tokens = []; this.inlineTokens(token.text, token.tokens); break; } case 'table': { token.tokens = { header: [], cells: [] }; // header l2 = token.header.length; for (j = 0; j < l2; j++) { token.tokens.header[j] = []; this.inlineTokens(token.header[j], token.tokens.header[j]); } // cells l2 = token.cells.length; for (j = 0; j < l2; j++) { row = token.cells[j]; token.tokens.cells[j] = []; for (k = 0; k < row.length; k++) { token.tokens.cells[j][k] = []; this.inlineTokens(row[k], token.tokens.cells[j][k]); } } break; } case 'blockquote': { this.inline(token.tokens); break; }