2056 lines
52 KiB
JavaScript
2056 lines
52 KiB
JavaScript
/**
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* marked - a markdown parser
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* Copyright (c) 2011-2020, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/markedjs/marked
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*/
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function createCommonjsModule(fn, module) {
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return module = { exports: {} }, fn(module, module.exports), module.exports;
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}
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var defaults = createCommonjsModule(function (module) {
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function getDefaults() {
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return {
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baseUrl: null,
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breaks: false,
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gfm: true,
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headerIds: true,
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headerPrefix: '',
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highlight: null,
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langPrefix: 'language-',
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mangle: true,
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pedantic: false,
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renderer: null,
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sanitize: false,
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sanitizer: null,
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silent: false,
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smartLists: false,
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smartypants: false,
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xhtml: false
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};
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}
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function changeDefaults(newDefaults) {
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module.exports.defaults = newDefaults;
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}
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module.exports = {
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defaults: getDefaults(),
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getDefaults,
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changeDefaults
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};
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});
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var defaults_1 = defaults.defaults;
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var defaults_2 = defaults.getDefaults;
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var defaults_3 = defaults.changeDefaults;
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/**
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* Helpers
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*/
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const escapeTest = /[&<>"']/;
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const escapeReplace = /[&<>"']/g;
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const escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
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const escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
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const escapeReplacements = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": '''
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};
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const getEscapeReplacement = (ch) => escapeReplacements[ch];
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function escape(html, encode) {
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if (encode) {
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if (escapeTest.test(html)) {
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return html.replace(escapeReplace, getEscapeReplacement);
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}
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} else {
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if (escapeTestNoEncode.test(html)) {
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return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
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}
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}
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return html;
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}
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const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
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function unescape(html) {
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// explicitly match decimal, hex, and named HTML entities
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return html.replace(unescapeTest, (_, n) => {
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n = n.toLowerCase();
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if (n === 'colon') return ':';
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if (n.charAt(0) === '#') {
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return n.charAt(1) === 'x'
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? String.fromCharCode(parseInt(n.substring(2), 16))
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: String.fromCharCode(+n.substring(1));
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}
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return '';
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});
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}
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const caret = /(^|[^\[])\^/g;
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function edit(regex, opt) {
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regex = regex.source || regex;
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opt = opt || '';
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const obj = {
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replace: (name, val) => {
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val = val.source || val;
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val = val.replace(caret, '$1');
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regex = regex.replace(name, val);
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return obj;
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},
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getRegex: () => {
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return new RegExp(regex, opt);
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}
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};
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return obj;
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}
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const nonWordAndColonTest = /[^\w:]/g;
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const originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
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function cleanUrl(sanitize, base, href) {
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if (sanitize) {
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let prot;
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try {
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prot = decodeURIComponent(unescape(href))
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.replace(nonWordAndColonTest, '')
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.toLowerCase();
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} catch (e) {
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return null;
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}
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if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
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return null;
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}
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}
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if (base && !originIndependentUrl.test(href)) {
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href = resolveUrl(base, href);
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}
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try {
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href = encodeURI(href).replace(/%25/g, '%');
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} catch (e) {
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return null;
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}
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return href;
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}
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const baseUrls = {};
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const justDomain = /^[^:]+:\/*[^/]*$/;
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const protocol = /^([^:]+:)[\s\S]*$/;
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const domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
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function resolveUrl(base, href) {
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if (!baseUrls[' ' + base]) {
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// we can ignore everything in base after the last slash of its path component,
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// but we might need to add _that_
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// https://tools.ietf.org/html/rfc3986#section-3
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if (justDomain.test(base)) {
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baseUrls[' ' + base] = base + '/';
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} else {
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baseUrls[' ' + base] = rtrim(base, '/', true);
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}
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}
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base = baseUrls[' ' + base];
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const relativeBase = base.indexOf(':') === -1;
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if (href.substring(0, 2) === '//') {
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if (relativeBase) {
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return href;
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}
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return base.replace(protocol, '$1') + href;
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} else if (href.charAt(0) === '/') {
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if (relativeBase) {
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return href;
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}
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return base.replace(domain, '$1') + href;
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} else {
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return base + href;
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}
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}
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const noopTest = { exec: function noopTest() {} };
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function merge(obj) {
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let i = 1,
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target,
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key;
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for (; i < arguments.length; i++) {
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target = arguments[i];
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for (key in target) {
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if (Object.prototype.hasOwnProperty.call(target, key)) {
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obj[key] = target[key];
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}
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}
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}
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return obj;
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}
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function splitCells(tableRow, count) {
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// ensure that every cell-delimiting pipe has a space
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// before it to distinguish it from an escaped pipe
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const row = tableRow.replace(/\|/g, (match, offset, str) => {
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let escaped = false,
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curr = offset;
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while (--curr >= 0 && str[curr] === '\\') escaped = !escaped;
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if (escaped) {
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// odd number of slashes means | is escaped
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// so we leave it alone
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return '|';
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} else {
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// add space before unescaped |
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return ' |';
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}
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}),
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cells = row.split(/ \|/);
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let i = 0;
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if (cells.length > count) {
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cells.splice(count);
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} else {
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while (cells.length < count) cells.push('');
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}
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for (; i < cells.length; i++) {
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// leading or trailing whitespace is ignored per the gfm spec
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cells[i] = cells[i].trim().replace(/\\\|/g, '|');
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}
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return cells;
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}
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// Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
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// /c*$/ is vulnerable to REDOS.
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// invert: Remove suffix of non-c chars instead. Default falsey.
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function rtrim(str, c, invert) {
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const l = str.length;
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if (l === 0) {
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return '';
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}
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// Length of suffix matching the invert condition.
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let suffLen = 0;
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// Step left until we fail to match the invert condition.
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while (suffLen < l) {
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const currChar = str.charAt(l - suffLen - 1);
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if (currChar === c && !invert) {
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suffLen++;
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} else if (currChar !== c && invert) {
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suffLen++;
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} else {
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break;
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}
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}
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return str.substr(0, l - suffLen);
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}
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function findClosingBracket(str, b) {
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if (str.indexOf(b[1]) === -1) {
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return -1;
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}
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const l = str.length;
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let level = 0,
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i = 0;
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for (; i < l; i++) {
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if (str[i] === '\\') {
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i++;
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} else if (str[i] === b[0]) {
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level++;
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} else if (str[i] === b[1]) {
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level--;
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if (level < 0) {
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return i;
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}
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}
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}
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return -1;
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}
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function checkSanitizeDeprecation(opt) {
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if (opt && opt.sanitize && !opt.silent) {
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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');
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}
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}
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var helpers = {
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escape,
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unescape,
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edit,
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cleanUrl,
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resolveUrl,
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noopTest,
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merge,
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splitCells,
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rtrim,
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findClosingBracket,
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checkSanitizeDeprecation
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};
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const {
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noopTest: noopTest$1,
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edit: edit$1,
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merge: merge$1
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} = helpers;
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/**
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* Block-Level Grammar
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*/
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const block = {
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newline: /^\n+/,
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code: /^( {4}[^\n]+\n*)+/,
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fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
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hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
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heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/,
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blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
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list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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html: '^ {0,3}(?:' // optional indentation
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+ '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
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+ '|comment[^\\n]*(\\n+|$)' // (2)
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+ '|<\\?[\\s\\S]*?\\?>\\n*' // (3)
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+ '|<![A-Z][\\s\\S]*?>\\n*' // (4)
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+ '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>\\n*' // (5)
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+ '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6)
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+ '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag
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+ '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag
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+ ')',
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def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
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nptable: noopTest$1,
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table: noopTest$1,
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lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
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// regex template, placeholders will be replaced according to different paragraph
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// interruption rules of commonmark and the original markdown spec:
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_paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/,
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text: /^[^\n]+/
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};
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block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
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block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
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block.def = edit$1(block.def)
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.replace('label', block._label)
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.replace('title', block._title)
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.getRegex();
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block.bullet = /(?:[*+-]|\d{1,9}\.)/;
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block.item = /^( *)(bull) ?[^\n]*(?:\n(?!\1bull ?)[^\n]*)*/;
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block.item = edit$1(block.item, 'gm')
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.replace(/bull/g, block.bullet)
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.getRegex();
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block.list = edit$1(block.list)
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.replace(/bull/g, block.bullet)
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.replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))')
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.replace('def', '\\n+(?=' + block.def.source + ')')
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.getRegex();
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block._tag = 'address|article|aside|base|basefont|blockquote|body|caption'
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+ '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption'
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+ '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe'
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+ '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option'
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+ '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr'
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+ '|track|ul';
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block._comment = /<!--(?!-?>)[\s\S]*?-->/;
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block.html = edit$1(block.html, 'i')
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.replace('comment', block._comment)
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.replace('tag', block._tag)
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.replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/)
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.getRegex();
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block.paragraph = edit$1(block._paragraph)
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.replace('hr', block.hr)
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.replace('heading', ' {0,3}#{1,6} ')
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.replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
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.replace('blockquote', ' {0,3}>')
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.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
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.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
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.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
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.replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
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.getRegex();
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block.blockquote = edit$1(block.blockquote)
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.replace('paragraph', block.paragraph)
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.getRegex();
|
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|
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/**
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* Normal Block Grammar
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*/
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block.normal = merge$1({}, block);
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/**
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* GFM Block Grammar
|
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*/
|
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|
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block.gfm = merge$1({}, block.normal, {
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nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
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+ ' *([-:]+ *\\|[-| :]*)' // Align
|
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+ '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells
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table: '^ *\\|(.+)\\n' // Header
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+ ' *\\|?( *[-:]+[-| :]*)' // Align
|
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+ '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
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});
|
|
|
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block.gfm.nptable = edit$1(block.gfm.nptable)
|
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.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')
|
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.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$1(block.normal._paragraph)
|
|
.replace('hr', block.hr)
|
|
.replace('heading', ' *#{1,6} *[^\n]')
|
|
.replace('lheading', block.lheading)
|
|
.replace('blockquote', ' {0,3}>')
|
|
.replace('|fences', '')
|
|
.replace('|list', '')
|
|
.replace('|html', '')
|
|
.getRegex()
|
|
});
|
|
|
|
/**
|
|
* Inline-Level Grammar
|
|
*/
|
|
const inline = {
|
|
escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
|
|
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: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
|
|
strong: /^__([^\s_])__(?!_)|^\*\*([^\s*])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
|
|
em: /^_([^\s_])_(?!_)|^_([^\s_<][\s\S]*?[^\s_])_(?!_|[^\spunctuation])|^_([^\s_<][\s\S]*?[^\s])_(?!_|[^\spunctuation])|^\*([^\s*<\[])\*(?!\*)|^\*([^\s<"][\s\S]*?[^\s\[\*])\*(?![\]`punctuation])|^\*([^\s*"<\[][\s\S]*[^\s])\*(?!\*)/,
|
|
code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
|
|
br: /^( {2,}|\\)\n(?!\s*$)/,
|
|
del: noopTest$1,
|
|
text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n))|(?= {2,}\n))/
|
|
};
|
|
|
|
// list of punctuation marks from common mark spec
|
|
// without ` and ] to workaround Rule 17 (inline code blocks/links)
|
|
inline._punctuation = '!"#$%&\'()*+\\-./:;<=>?@\\[^_{|}~';
|
|
inline.em = edit$1(inline.em).replace(/punctuation/g, inline._punctuation).getRegex();
|
|
|
|
inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/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', block._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();
|
|
|
|
/**
|
|
* Normal Inline Grammar
|
|
*/
|
|
|
|
inline.normal = merge$1({}, inline);
|
|
|
|
/**
|
|
* Pedantic Inline Grammar
|
|
*/
|
|
|
|
inline.pedantic = merge$1({}, inline.normal, {
|
|
strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
|
|
em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
|
|
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)~+/,
|
|
text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?= {2,}\n|[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
|
|
});
|
|
|
|
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,
|
|
inline
|
|
};
|
|
|
|
const { defaults: defaults$1 } = defaults;
|
|
const { block: block$1, inline: inline$1 } = rules;
|
|
const {
|
|
rtrim: rtrim$1,
|
|
splitCells: splitCells$1,
|
|
escape: escape$1,
|
|
findClosingBracket: findClosingBracket$1
|
|
} = helpers;
|
|
|
|
/**
|
|
* Block Lexer
|
|
*/
|
|
var Lexer_1 = class Lexer {
|
|
constructor(options) {
|
|
this.tokens = [];
|
|
this.tokens.links = Object.create(null);
|
|
this.options = options || defaults$1;
|
|
this.rules = {
|
|
block: block$1.normal,
|
|
inline: inline$1.normal
|
|
};
|
|
|
|
if (this.options.pedantic) {
|
|
this.rules.block = block$1.pedantic;
|
|
this.rules.inline = inline$1.pedantic;
|
|
} else if (this.options.gfm) {
|
|
this.rules.block = block$1.gfm;
|
|
if (this.options.breaks) {
|
|
this.rules.inline = inline$1.breaks;
|
|
} else {
|
|
this.rules.inline = inline$1.gfm;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expose Block Rules
|
|
*/
|
|
static get rules() {
|
|
return {
|
|
block: block$1,
|
|
inline: inline$1
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Static Lex Method
|
|
*/
|
|
static lex(src, options) {
|
|
const lexer = new Lexer(options);
|
|
return lexer.lex(src);
|
|
}
|
|
|
|
/**
|
|
* Preprocessing
|
|
*/
|
|
lex(src) {
|
|
src = src
|
|
.replace(/\r\n|\r/g, '\n')
|
|
.replace(/\t/g, ' ');
|
|
|
|
this.blockTokens(src, this.tokens);
|
|
|
|
this.inline(this.tokens);
|
|
|
|
return this.tokens;
|
|
}
|
|
|
|
/**
|
|
* Lexing
|
|
*/
|
|
blockTokens(src, tokens, top = true) {
|
|
src = src.replace(/^ +$/gm, '');
|
|
let next,
|
|
loose,
|
|
cap,
|
|
bull,
|
|
b,
|
|
item,
|
|
list,
|
|
space,
|
|
i,
|
|
tag,
|
|
l,
|
|
isordered,
|
|
istask,
|
|
ischecked,
|
|
lastToken,
|
|
addBack,
|
|
raw;
|
|
|
|
while (src) {
|
|
// newline
|
|
if (cap = this.rules.block.newline.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
if (cap[0].length > 1) {
|
|
tokens.push({
|
|
type: 'space',
|
|
raw
|
|
});
|
|
}
|
|
}
|
|
|
|
// code
|
|
if (cap = this.rules.block.code.exec(src)) {
|
|
lastToken = tokens[tokens.length - 1];
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
// An indented code block cannot interrupt a paragraph.
|
|
if (lastToken && lastToken.type === 'paragraph') {
|
|
lastToken.text += '\n' + cap[0].trimRight();
|
|
lastToken.raw += '\n' + raw;
|
|
} else {
|
|
cap = cap[0].replace(/^ {4}/gm, '');
|
|
tokens.push({
|
|
type: 'code',
|
|
raw,
|
|
codeBlockStyle: 'indented',
|
|
text: !this.options.pedantic
|
|
? rtrim$1(cap, '\n')
|
|
: cap
|
|
});
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// fences
|
|
if (cap = this.rules.block.fences.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'code',
|
|
raw,
|
|
lang: cap[2] ? cap[2].trim() : cap[2],
|
|
text: cap[3] || ''
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// heading
|
|
if (cap = this.rules.block.heading.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'heading',
|
|
raw,
|
|
depth: cap[1].length,
|
|
text: cap[2]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// table no leading pipe (gfm)
|
|
if (cap = this.rules.block.nptable.exec(src)) {
|
|
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) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
item.raw = raw;
|
|
|
|
l = item.align.length;
|
|
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);
|
|
}
|
|
|
|
tokens.push(item);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// hr
|
|
if (cap = this.rules.block.hr.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'hr',
|
|
raw
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// blockquote
|
|
if (cap = this.rules.block.blockquote.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
|
|
cap = cap[0].replace(/^ *> ?/gm, '');
|
|
|
|
tokens.push({
|
|
type: 'blockquote',
|
|
raw,
|
|
tokens: this.blockTokens(cap, [], top)
|
|
});
|
|
|
|
continue;
|
|
}
|
|
|
|
// list
|
|
if (cap = this.rules.block.list.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
bull = cap[2];
|
|
isordered = bull.length > 1;
|
|
|
|
list = {
|
|
type: 'list',
|
|
raw,
|
|
ordered: isordered,
|
|
start: isordered ? +bull : '',
|
|
loose: false,
|
|
items: []
|
|
};
|
|
|
|
tokens.push(list);
|
|
|
|
// Get each top-level item.
|
|
cap = cap[0].match(this.rules.block.item);
|
|
|
|
next = false;
|
|
|
|
l = cap.length;
|
|
for (i = 0; i < l; i++) {
|
|
item = cap[i];
|
|
raw = item.trim();
|
|
|
|
// 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 the next list item belongs here.
|
|
// Backpedal if it does not belong in this list.
|
|
if (i !== l - 1) {
|
|
b = block$1.bullet.exec(cap[i + 1])[0];
|
|
if (bull.length > 1 ? b.length === 1
|
|
: (b.length > 1 || (this.options.smartLists && b !== bull))) {
|
|
addBack = cap.slice(i + 1).join('\n');
|
|
src = addBack + src;
|
|
list.raw = list.raw.substring(list.raw.length - addBack.length);
|
|
i = l - 1;
|
|
}
|
|
}
|
|
|
|
// Determine whether item is loose or not.
|
|
// Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
|
|
// 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
|
|
istask = /^\[[ xX]\] /.test(item);
|
|
ischecked = undefined;
|
|
if (istask) {
|
|
ischecked = item[1] !== ' ';
|
|
item = item.replace(/^\[[ xX]\] +/, '');
|
|
}
|
|
|
|
list.items.push({
|
|
raw,
|
|
task: istask,
|
|
checked: ischecked,
|
|
loose: loose,
|
|
tokens: this.blockTokens(item, [], false)
|
|
});
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
// html
|
|
if (cap = this.rules.block.html.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: this.options.sanitize
|
|
? 'paragraph'
|
|
: 'html',
|
|
raw,
|
|
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$1(cap[0])) : cap[0]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// def
|
|
if (top && (cap = this.rules.block.def.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
|
|
tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
|
|
if (!this.tokens.links[tag]) {
|
|
this.tokens.links[tag] = {
|
|
href: cap[2],
|
|
title: cap[3]
|
|
};
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// table (gfm)
|
|
if (cap = this.rules.block.table.exec(src)) {
|
|
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) {
|
|
src = src.substring(cap[0].length);
|
|
item.raw = cap[0];
|
|
|
|
l = item.align.length;
|
|
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);
|
|
}
|
|
|
|
tokens.push(item);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// lheading
|
|
if (cap = this.rules.block.lheading.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'heading',
|
|
raw,
|
|
depth: cap[2].charAt(0) === '=' ? 1 : 2,
|
|
text: cap[1]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// top-level paragraph
|
|
if (top && (cap = this.rules.block.paragraph.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'paragraph',
|
|
raw,
|
|
text: cap[1].charAt(cap[1].length - 1) === '\n'
|
|
? cap[1].slice(0, -1)
|
|
: cap[1]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// text
|
|
if (cap = this.rules.block.text.exec(src)) {
|
|
// Top-level should never reach here.
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'text',
|
|
raw,
|
|
text: cap[0]
|
|
});
|
|
continue;
|
|
}
|
|
|
|
if (src) {
|
|
const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
|
|
if (this.options.silent) {
|
|
console.error(errMsg);
|
|
} else {
|
|
throw new Error(errMsg);
|
|
}
|
|
}
|
|
}
|
|
|
|
return tokens;
|
|
}
|
|
|
|
inline(tokens) {
|
|
let i,
|
|
j,
|
|
k,
|
|
l2,
|
|
row,
|
|
token;
|
|
|
|
const 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;
|
|
}
|
|
case 'list': {
|
|
l2 = token.items.length;
|
|
for (j = 0; j < l2; j++) {
|
|
this.inline(token.items[j].tokens);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return tokens;
|
|
}
|
|
|
|
/**
|
|
* Lexing/Compiling
|
|
*/
|
|
inlineTokens(src, tokens) {
|
|
let out = '',
|
|
link,
|
|
text,
|
|
newTokens,
|
|
href,
|
|
title,
|
|
cap,
|
|
prevCapZero,
|
|
lastParenIndex,
|
|
start,
|
|
linkLen,
|
|
raw;
|
|
|
|
while (src) {
|
|
// escape
|
|
if (cap = this.rules.inline.escape.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
text = escape$1(cap[1]);
|
|
out += text;
|
|
tokens.push({
|
|
type: 'escape',
|
|
raw,
|
|
text
|
|
});
|
|
continue;
|
|
}
|
|
|
|
// tag
|
|
if (cap = this.rules.inline.tag.exec(src)) {
|
|
if (!this.inLink && /^<a /i.test(cap[0])) {
|
|
this.inLink = true;
|
|
} else if (this.inLink && /^<\/a>/i.test(cap[0])) {
|
|
this.inLink = false;
|
|
}
|
|
if (!this.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
|
|
this.inRawBlock = true;
|
|
} else if (this.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
|
|
this.inRawBlock = false;
|
|
}
|
|
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
text = this.options.sanitize
|
|
? (this.options.sanitizer
|
|
? this.options.sanitizer(cap[0])
|
|
: escape$1(cap[0]))
|
|
: cap[0];
|
|
tokens.push({
|
|
type: this.options.sanitize
|
|
? 'text'
|
|
: 'html',
|
|
raw,
|
|
text
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// link
|
|
if (cap = this.rules.inline.link.exec(src)) {
|
|
lastParenIndex = findClosingBracket$1(cap[2], '()');
|
|
if (lastParenIndex > -1) {
|
|
start = cap[0].indexOf('!') === 0 ? 5 : 4;
|
|
linkLen = start + cap[1].length + lastParenIndex;
|
|
cap[2] = cap[2].substring(0, lastParenIndex);
|
|
cap[0] = cap[0].substring(0, linkLen).trim();
|
|
cap[3] = '';
|
|
}
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
this.inLink = true;
|
|
href = cap[2];
|
|
if (this.options.pedantic) {
|
|
link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
|
|
|
|
if (link) {
|
|
href = link[1];
|
|
title = link[3];
|
|
} else {
|
|
title = '';
|
|
}
|
|
} else {
|
|
title = cap[3] ? cap[3].slice(1, -1) : '';
|
|
}
|
|
href = href.trim().replace(/^<([\s\S]*)>$/, '$1');
|
|
out += this.outputLink(cap, {
|
|
href: this.escapes(href),
|
|
title: this.escapes(title)
|
|
}, tokens, raw);
|
|
this.inLink = false;
|
|
continue;
|
|
}
|
|
|
|
// reflink, nolink
|
|
if ((cap = this.rules.inline.reflink.exec(src))
|
|
|| (cap = this.rules.inline.nolink.exec(src))) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
|
|
link = this.tokens.links[link.toLowerCase()];
|
|
if (!link || !link.href) {
|
|
text = cap[0].charAt(0);
|
|
out += text;
|
|
tokens.push({
|
|
type: 'text',
|
|
raw: text,
|
|
text
|
|
});
|
|
src = cap[0].substring(1) + src;
|
|
continue;
|
|
}
|
|
this.inLink = true;
|
|
out += this.outputLink(cap, link, tokens, raw);
|
|
this.inLink = false;
|
|
continue;
|
|
}
|
|
|
|
// strong
|
|
if (cap = this.rules.inline.strong.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
newTokens = tokens ? [] : null;
|
|
text = this.inlineTokens(cap[4] || cap[3] || cap[2] || cap[1], newTokens);
|
|
|
|
tokens.push({
|
|
type: 'strong',
|
|
raw,
|
|
text,
|
|
tokens: newTokens
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// em
|
|
if (cap = this.rules.inline.em.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
newTokens = tokens ? [] : null;
|
|
text = this.inlineTokens(cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1], newTokens);
|
|
tokens.push({
|
|
type: 'em',
|
|
raw,
|
|
text,
|
|
tokens: newTokens
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// code
|
|
if (cap = this.rules.inline.code.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
text = escape$1(cap[2].trim(), true);
|
|
tokens.push({
|
|
type: 'codespan',
|
|
raw,
|
|
text
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// br
|
|
if (cap = this.rules.inline.br.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'br',
|
|
raw
|
|
});
|
|
out += '\n';
|
|
continue;
|
|
}
|
|
|
|
// del (gfm)
|
|
if (cap = this.rules.inline.del.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
newTokens = tokens ? [] : null;
|
|
text = this.inlineTokens(cap[1], newTokens);
|
|
tokens.push({
|
|
type: 'del',
|
|
raw,
|
|
text,
|
|
tokens: newTokens
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// autolink
|
|
if (cap = this.rules.inline.autolink.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
if (cap[2] === '@') {
|
|
text = escape$1(this.options.mangle ? this.mangle(cap[1]) : cap[1]);
|
|
href = 'mailto:' + text;
|
|
} else {
|
|
text = escape$1(cap[1]);
|
|
href = text;
|
|
}
|
|
tokens.push({
|
|
type: 'link',
|
|
raw,
|
|
text,
|
|
href,
|
|
tokens: [
|
|
{
|
|
type: 'text',
|
|
raw: text,
|
|
text
|
|
}
|
|
]
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// url (gfm)
|
|
if (!this.inLink && (cap = this.rules.inline.url.exec(src))) {
|
|
if (cap[2] === '@') {
|
|
text = escape$1(this.options.mangle ? this.mangle(cap[0]) : cap[0]);
|
|
href = 'mailto:' + text;
|
|
} else {
|
|
// do extended autolink path validation
|
|
do {
|
|
prevCapZero = cap[0];
|
|
cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
|
|
} while (prevCapZero !== cap[0]);
|
|
text = escape$1(cap[0]);
|
|
if (cap[1] === 'www.') {
|
|
href = 'http://' + text;
|
|
} else {
|
|
href = text;
|
|
}
|
|
}
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
tokens.push({
|
|
type: 'link',
|
|
raw,
|
|
text,
|
|
href,
|
|
tokens: [
|
|
{
|
|
type: 'text',
|
|
raw: text,
|
|
text
|
|
}
|
|
]
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
// text
|
|
if (cap = this.rules.inline.text.exec(src)) {
|
|
src = src.substring(cap[0].length);
|
|
raw = cap[0];
|
|
if (this.inRawBlock) {
|
|
text = this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape$1(cap[0])) : cap[0];
|
|
} else {
|
|
text = escape$1(this.options.smartypants ? this.smartypants(cap[0]) : cap[0]);
|
|
}
|
|
tokens.push({
|
|
type: 'text',
|
|
raw,
|
|
text
|
|
});
|
|
out += text;
|
|
continue;
|
|
}
|
|
|
|
if (src) {
|
|
const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
|
|
if (this.options.silent) {
|
|
console.error(errMsg);
|
|
} else {
|
|
throw new Error(errMsg);
|
|
}
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
escapes(text) {
|
|
return text ? text.replace(inline$1._escapes, '$1') : text;
|
|
}
|
|
|
|
/**
|
|
* tokenize Link
|
|
*/
|
|
outputLink(cap, link, tokens, raw) {
|
|
const href = link.href;
|
|
const title = link.title ? escape$1(link.title) : null;
|
|
const newTokens = tokens ? [] : null;
|
|
|
|
if (cap[0].charAt(0) !== '!') {
|
|
const text = this.inlineTokens(cap[1], newTokens);
|
|
tokens.push({
|
|
type: 'link',
|
|
raw,
|
|
text,
|
|
href,
|
|
title,
|
|
tokens: newTokens
|
|
});
|
|
return text;
|
|
} else {
|
|
const text = escape$1(cap[1]);
|
|
tokens.push({
|
|
type: 'image',
|
|
raw,
|
|
text,
|
|
href,
|
|
title
|
|
});
|
|
return text;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Smartypants Transformations
|
|
*/
|
|
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 Links
|
|
*/
|
|
mangle(text) {
|
|
let out = '',
|
|
i,
|
|
ch;
|
|
|
|
const 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;
|
|
}
|
|
};
|
|
|
|
const { defaults: defaults$2 } = defaults;
|
|
const {
|
|
cleanUrl: cleanUrl$1,
|
|
escape: escape$2
|
|
} = helpers;
|
|
|
|
/**
|
|
* Renderer
|
|
*/
|
|
var Renderer_1 = class Renderer {
|
|
constructor(options) {
|
|
this.options = options || defaults$2;
|
|
}
|
|
|
|
code(code, infostring, escaped) {
|
|
const lang = (infostring || '').match(/\S*/)[0];
|
|
if (this.options.highlight) {
|
|
const out = this.options.highlight(code, lang);
|
|
if (out != null && out !== code) {
|
|
escaped = true;
|
|
code = out;
|
|
}
|
|
}
|
|
|
|
if (!lang) {
|
|
return '<pre><code>'
|
|
+ (escaped ? code : escape$2(code, true))
|
|
+ '</code></pre>';
|
|
}
|
|
|
|
return '<pre><code class="'
|
|
+ this.options.langPrefix
|
|
+ escape$2(lang, true)
|
|
+ '">'
|
|
+ (escaped ? code : escape$2(code, true))
|
|
+ '</code></pre>\n';
|
|
}
|
|
|
|
blockquote(quote) {
|
|
return '<blockquote>\n' + quote + '</blockquote>\n';
|
|
}
|
|
|
|
html(html) {
|
|
return html;
|
|
}
|
|
|
|
heading(text, level, raw, slugger) {
|
|
if (this.options.headerIds) {
|
|
return '<h'
|
|
+ level
|
|
+ ' id="'
|
|
+ this.options.headerPrefix
|
|
+ slugger.slug(raw)
|
|
+ '">'
|
|
+ text
|
|
+ '</h'
|
|
+ level
|
|
+ '>\n';
|
|
}
|
|
// ignore IDs
|
|
return '<h' + level + '>' + text + '</h' + level + '>\n';
|
|
}
|
|
|
|
hr() {
|
|
return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
|
|
}
|
|
|
|
list(body, ordered, start) {
|
|
const type = ordered ? 'ol' : 'ul',
|
|
startatt = (ordered && start !== 1) ? (' start="' + start + '"') : '';
|
|
return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
|
|
}
|
|
|
|
listitem(text) {
|
|
return '<li>' + text + '</li>\n';
|
|
}
|
|
|
|
checkbox(checked) {
|
|
return '<input '
|
|
+ (checked ? 'checked="" ' : '')
|
|
+ 'disabled="" type="checkbox"'
|
|
+ (this.options.xhtml ? ' /' : '')
|
|
+ '> ';
|
|
}
|
|
|
|
paragraph(text) {
|
|
return '<p>' + text + '</p>\n';
|
|
}
|
|
|
|
table(header, body) {
|
|
if (body) body = '<tbody>' + body + '</tbody>';
|
|
|
|
return '<table>\n'
|
|
+ '<thead>\n'
|
|
+ header
|
|
+ '</thead>\n'
|
|
+ body
|
|
+ '</table>\n';
|
|
}
|
|
|
|
tablerow(content) {
|
|
return '<tr>\n' + content + '</tr>\n';
|
|
}
|
|
|
|
tablecell(content, flags) {
|
|
const type = flags.header ? 'th' : 'td';
|
|
const tag = flags.align
|
|
? '<' + type + ' align="' + flags.align + '">'
|
|
: '<' + type + '>';
|
|
return tag + content + '</' + type + '>\n';
|
|
}
|
|
|
|
// span level renderer
|
|
strong(text) {
|
|
return '<strong>' + text + '</strong>';
|
|
}
|
|
|
|
em(text) {
|
|
return '<em>' + text + '</em>';
|
|
}
|
|
|
|
codespan(text) {
|
|
return '<code>' + text + '</code>';
|
|
}
|
|
|
|
br() {
|
|
return this.options.xhtml ? '<br/>' : '<br>';
|
|
}
|
|
|
|
del(text) {
|
|
return '<del>' + text + '</del>';
|
|
}
|
|
|
|
link(href, title, text) {
|
|
href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
|
|
if (href === null) {
|
|
return text;
|
|
}
|
|
let out = '<a href="' + escape$2(href) + '"';
|
|
if (title) {
|
|
out += ' title="' + title + '"';
|
|
}
|
|
out += '>' + text + '</a>';
|
|
return out;
|
|
}
|
|
|
|
image(href, title, text) {
|
|
href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
|
|
if (href === null) {
|
|
return text;
|
|
}
|
|
|
|
let out = '<img src="' + href + '" alt="' + text + '"';
|
|
if (title) {
|
|
out += ' title="' + title + '"';
|
|
}
|
|
out += this.options.xhtml ? '/>' : '>';
|
|
return out;
|
|
}
|
|
|
|
text(text) {
|
|
return text;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* TextRenderer
|
|
* returns only the textual part of the token
|
|
*/
|
|
var TextRenderer_1 = class TextRenderer {
|
|
// no need for block level renderers
|
|
strong(text) {
|
|
return text;
|
|
}
|
|
|
|
em(text) {
|
|
return text;
|
|
}
|
|
|
|
codespan(text) {
|
|
return text;
|
|
}
|
|
|
|
del(text) {
|
|
return text;
|
|
}
|
|
|
|
html(text) {
|
|
return text;
|
|
}
|
|
|
|
text(text) {
|
|
return text;
|
|
}
|
|
|
|
link(href, title, text) {
|
|
return '' + text;
|
|
}
|
|
|
|
image(href, title, text) {
|
|
return '' + text;
|
|
}
|
|
|
|
br() {
|
|
return '';
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Slugger generates header id
|
|
*/
|
|
var Slugger_1 = class Slugger {
|
|
constructor() {
|
|
this.seen = {};
|
|
}
|
|
|
|
/**
|
|
* Convert string to unique id
|
|
*/
|
|
slug(value) {
|
|
let slug = value
|
|
.toLowerCase()
|
|
.trim()
|
|
// remove html tags
|
|
.replace(/<[!\/a-z].*?>/ig, '')
|
|
// remove unwanted chars
|
|
.replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '')
|
|
.replace(/\s/g, '-');
|
|
|
|
if (this.seen.hasOwnProperty(slug)) {
|
|
const originalSlug = slug;
|
|
do {
|
|
this.seen[originalSlug]++;
|
|
slug = originalSlug + '-' + this.seen[originalSlug];
|
|
} while (this.seen.hasOwnProperty(slug));
|
|
}
|
|
this.seen[slug] = 0;
|
|
|
|
return slug;
|
|
}
|
|
};
|
|
|
|
const { defaults: defaults$3 } = defaults;
|
|
const {
|
|
unescape: unescape$1
|
|
} = helpers;
|
|
|
|
/**
|
|
* Parsing & Compiling
|
|
*/
|
|
var Parser_1 = class Parser {
|
|
constructor(options) {
|
|
this.options = options || defaults$3;
|
|
this.options.renderer = this.options.renderer || new Renderer_1();
|
|
this.renderer = this.options.renderer;
|
|
this.renderer.options = this.options;
|
|
this.textRenderer = new TextRenderer_1();
|
|
this.slugger = new Slugger_1();
|
|
}
|
|
|
|
/**
|
|
* Static Parse Method
|
|
*/
|
|
static parse(tokens, options) {
|
|
const parser = new Parser(options);
|
|
return parser.parse(tokens);
|
|
}
|
|
|
|
/**
|
|
* Parse Loop
|
|
*/
|
|
parse(tokens, top = true) {
|
|
let out = '',
|
|
i,
|
|
j,
|
|
k,
|
|
l2,
|
|
l3,
|
|
row,
|
|
cell,
|
|
header,
|
|
body,
|
|
token,
|
|
ordered,
|
|
start,
|
|
loose,
|
|
itemBody,
|
|
item,
|
|
checked,
|
|
task,
|
|
checkbox;
|
|
|
|
const l = tokens.length;
|
|
for (i = 0; i < l; i++) {
|
|
token = tokens[i];
|
|
switch (token.type) {
|
|
case 'space': {
|
|
continue;
|
|
}
|
|
case 'hr': {
|
|
out += this.renderer.hr();
|
|
continue;
|
|
}
|
|
case 'heading': {
|
|
out += this.renderer.heading(
|
|
this.parseInline(token.tokens),
|
|
token.depth,
|
|
unescape$1(this.parseInline(token.tokens, this.textRenderer)),
|
|
this.slugger);
|
|
continue;
|
|
}
|
|
case 'code': {
|
|
out += this.renderer.code(token.text,
|
|
token.lang,
|
|
token.escaped);
|
|
continue;
|
|
}
|
|
case 'table': {
|
|
header = '';
|
|
|
|
// header
|
|
cell = '';
|
|
l2 = token.header.length;
|
|
for (j = 0; j < l2; j++) {
|
|
cell += this.renderer.tablecell(
|
|
this.parseInline(token.tokens.header[j]),
|
|
{ header: true, align: token.align[j] }
|
|
);
|
|
}
|
|
header += this.renderer.tablerow(cell);
|
|
|
|
body = '';
|
|
l2 = token.cells.length;
|
|
for (j = 0; j < l2; j++) {
|
|
row = token.tokens.cells[j];
|
|
|
|
cell = '';
|
|
l3 = row.length;
|
|
for (k = 0; k < l3; k++) {
|
|
cell += this.renderer.tablecell(
|
|
this.parseInline(row[k]),
|
|
{ header: false, align: token.align[k] }
|
|
);
|
|
}
|
|
|
|
body += this.renderer.tablerow(cell);
|
|
}
|
|
out += this.renderer.table(header, body);
|
|
continue;
|
|
}
|
|
case 'blockquote': {
|
|
body = this.parse(token.tokens);
|
|
out += this.renderer.blockquote(body);
|
|
continue;
|
|
}
|
|
case 'list': {
|
|
ordered = token.ordered;
|
|
start = token.start;
|
|
loose = token.loose;
|
|
l2 = token.items.length;
|
|
|
|
body = '';
|
|
for (j = 0; j < l2; j++) {
|
|
item = token.items[j];
|
|
checked = item.checked;
|
|
task = item.task;
|
|
|
|
itemBody = '';
|
|
if (item.task) {
|
|
checkbox = this.renderer.checkbox(checked);
|
|
if (loose) {
|
|
if (item.tokens[0].type === 'text') {
|
|
item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
|
|
if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
|
|
item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
|
|
}
|
|
} else {
|
|
item.tokens.unshift({
|
|
type: 'text',
|
|
text: checkbox
|
|
});
|
|
}
|
|
} else {
|
|
itemBody += checkbox;
|
|
}
|
|
}
|
|
|
|
itemBody += this.parse(item.tokens, loose);
|
|
body += this.renderer.listitem(itemBody, task, checked);
|
|
}
|
|
|
|
out += this.renderer.list(body, ordered, start);
|
|
continue;
|
|
}
|
|
case 'html': {
|
|
// TODO parse inline content if parameter markdown=1
|
|
out += this.renderer.html(token.text);
|
|
continue;
|
|
}
|
|
case 'paragraph': {
|
|
out += this.renderer.paragraph(this.parseInline(token.tokens));
|
|
continue;
|
|
}
|
|
case 'text': {
|
|
body = token.tokens ? this.parseInline(token.tokens) : token.text;
|
|
while (i + 1 < l && tokens[i + 1].type === 'text') {
|
|
token = tokens[++i];
|
|
body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
|
|
}
|
|
out += top ? this.renderer.paragraph(body) : body;
|
|
continue;
|
|
}
|
|
default: {
|
|
const errMsg = 'Token with "' + token.type + '" type was not found.';
|
|
if (this.options.silent) {
|
|
console.error(errMsg);
|
|
return;
|
|
} else {
|
|
throw new Error(errMsg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Parse Inline Tokens
|
|
*/
|
|
parseInline(tokens, renderer) {
|
|
renderer = renderer || this.renderer;
|
|
let out = '',
|
|
i,
|
|
token;
|
|
|
|
const l = tokens.length;
|
|
for (i = 0; i < l; i++) {
|
|
token = tokens[i];
|
|
switch (token.type) {
|
|
case 'escape': {
|
|
out += renderer.text(token.text);
|
|
break;
|
|
}
|
|
case 'html': {
|
|
out += renderer.html(token.text);
|
|
break;
|
|
}
|
|
case 'link': {
|
|
out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
|
|
break;
|
|
}
|
|
case 'image': {
|
|
out += renderer.image(token.href, token.title, token.text);
|
|
break;
|
|
}
|
|
case 'strong': {
|
|
out += renderer.strong(this.parseInline(token.tokens, renderer));
|
|
break;
|
|
}
|
|
case 'em': {
|
|
out += renderer.em(this.parseInline(token.tokens, renderer));
|
|
break;
|
|
}
|
|
case 'codespan': {
|
|
out += renderer.codespan(token.text);
|
|
break;
|
|
}
|
|
case 'br': {
|
|
out += renderer.br();
|
|
break;
|
|
}
|
|
case 'del': {
|
|
out += renderer.del(this.parseInline(token.tokens, renderer));
|
|
break;
|
|
}
|
|
case 'text': {
|
|
out += renderer.text(token.text);
|
|
break;
|
|
}
|
|
default: {
|
|
const errMsg = 'Token with "' + token.type + '" type was not found.';
|
|
if (this.options.silent) {
|
|
console.error(errMsg);
|
|
return;
|
|
} else {
|
|
throw new Error(errMsg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
};
|
|
|
|
const {
|
|
merge: merge$2,
|
|
checkSanitizeDeprecation: checkSanitizeDeprecation$1,
|
|
escape: escape$3
|
|
} = helpers;
|
|
const {
|
|
getDefaults,
|
|
changeDefaults,
|
|
defaults: defaults$4
|
|
} = defaults;
|
|
|
|
/**
|
|
* Marked
|
|
*/
|
|
function marked(src, opt, callback) {
|
|
// throw error in case of non string input
|
|
if (typeof src === 'undefined' || src === null) {
|
|
throw new Error('marked(): input parameter is undefined or null');
|
|
}
|
|
if (typeof src !== 'string') {
|
|
throw new Error('marked(): input parameter is of type '
|
|
+ Object.prototype.toString.call(src) + ', string expected');
|
|
}
|
|
|
|
if (callback || typeof opt === 'function') {
|
|
if (!callback) {
|
|
callback = opt;
|
|
opt = null;
|
|
}
|
|
|
|
opt = merge$2({}, marked.defaults, opt || {});
|
|
checkSanitizeDeprecation$1(opt);
|
|
const highlight = opt.highlight;
|
|
let tokens,
|
|
pending,
|
|
i = 0;
|
|
|
|
try {
|
|
tokens = Lexer_1.lex(src, opt);
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
pending = tokens.length;
|
|
|
|
const done = function(err) {
|
|
if (err) {
|
|
opt.highlight = highlight;
|
|
return callback(err);
|
|
}
|
|
|
|
let out;
|
|
|
|
try {
|
|
out = Parser_1.parse(tokens, opt);
|
|
} catch (e) {
|
|
err = e;
|
|
}
|
|
|
|
opt.highlight = highlight;
|
|
|
|
return err
|
|
? callback(err)
|
|
: callback(null, out);
|
|
};
|
|
|
|
if (!highlight || highlight.length < 3) {
|
|
return done();
|
|
}
|
|
|
|
delete opt.highlight;
|
|
|
|
if (!pending) return done();
|
|
|
|
for (; i < tokens.length; i++) {
|
|
(function(token) {
|
|
if (token.type !== 'code') {
|
|
return --pending || done();
|
|
}
|
|
return highlight(token.text, token.lang, function(err, code) {
|
|
if (err) return done(err);
|
|
if (code == null || code === token.text) {
|
|
return --pending || done();
|
|
}
|
|
token.text = code;
|
|
token.escaped = true;
|
|
--pending || done();
|
|
});
|
|
})(tokens[i]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
try {
|
|
opt = merge$2({}, marked.defaults, opt || {});
|
|
checkSanitizeDeprecation$1(opt);
|
|
return Parser_1.parse(Lexer_1.lex(src, opt), opt);
|
|
} catch (e) {
|
|
e.message += '\nPlease report this to https://github.com/markedjs/marked.';
|
|
if ((opt || marked.defaults).silent) {
|
|
return '<p>An error occurred:</p><pre>'
|
|
+ escape$3(e.message + '', true)
|
|
+ '</pre>';
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Options
|
|
*/
|
|
|
|
marked.options =
|
|
marked.setOptions = function(opt) {
|
|
merge$2(marked.defaults, opt);
|
|
changeDefaults(marked.defaults);
|
|
return marked;
|
|
};
|
|
|
|
marked.getDefaults = getDefaults;
|
|
|
|
marked.defaults = defaults$4;
|
|
|
|
/**
|
|
* Expose
|
|
*/
|
|
|
|
marked.Parser = Parser_1;
|
|
marked.parser = Parser_1.parse;
|
|
|
|
marked.Renderer = Renderer_1;
|
|
marked.TextRenderer = TextRenderer_1;
|
|
|
|
marked.Lexer = Lexer_1;
|
|
marked.lexer = Lexer_1.lex;
|
|
|
|
marked.Slugger = Slugger_1;
|
|
|
|
marked.parse = marked;
|
|
|
|
var marked_1 = marked;
|
|
|
|
export default marked_1; |