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"+s.charCodeAt(0);if(this.options.silent){console.error(l);break}throw new Error(l)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(s,t=[]){let n,e,r,i=s,l,a,o;if(this.tokens.links){const h=Object.keys(this.tokens.links);if(0!!(n=e.call({lexer:this},s,t))&&(s=s.substring(n.raw.length),t.push(n),!0))))if(n=this.tokenizer.escape(s))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(s))s=s.substring(n.raw.length),(e=t[t.length-1])&&"text"===n.type&&"text"===e.type?(e.raw+=n.raw,e.text+=n.text):t.push(n);else if(n=this.tokenizer.link(s))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(s,this.tokens.links))s=s.substring(n.raw.length),(e=t[t.length-1])&&"text"===n.type&&"text"===e.type?(e.raw+=n.raw,e.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(s,i,o))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(s))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(s))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(s))s=s.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(s))s=s.substring(n.raw.length),t.push(n);else if(!this.state.inLink&&(n=this.tokenizer.url(s)))s=s.substring(n.raw.length),t.push(n);else{if(r=s,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const p=s.slice(1);let n;this.options.extensions.startInline.forEach(e=>{"number"==typeof(n=e.call({lexer:this},p))&&0<=n&&(t=Math.min(t,n))}),t<1/0&&0<=t&&(r=s.substring(0,t+1))}if(n=this.tokenizer.inlineText(r))s=s.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(o=n.raw.slice(-1)),a=!0,(e=t[t.length-1])&&"text"===e.type?(e.raw+=n.raw,e.text+=n.text):t.push(n);else if(s){var c="Infinite loop on byte: "+s.charCodeAt(0);if(this.options.silent){console.error(c);break}throw new Error(c)}}return t}}class I{options;parser;constructor(e){this.options=e||n.defaults}space(e){return""}code({text:e,lang:t,escaped:n}){t=(t||"").match(/^\S*/)?.[0],e=e.replace(/\n$/,"")+"\n";return t?'
'+(n?e:l(e,!0))+"
\n":"
"+(n?e:l(e,!0))+"
\n"}blockquote({tokens:e}){return`
+${this.parser.parse(e)}
+`}html({text:e}){return e}heading({tokens:e,depth:t}){return`${this.parser.parseInline(e)} +`}hr(e){return"
\n"}list(t){var e=t.ordered,n=t.start;let s="";for(let e=0;e\n"+s+"\n"}listitem(e){let t="";var n;return e.task&&(n=this.checkbox({checked:!!e.checked}),e.loose?0${t+=this.parser.parse(e.tokens,!!e.loose)} +`}checkbox({checked:e}){return"'}paragraph({tokens:e}){return`

${this.parser.parseInline(e)}

+`}table(t){var e="";let n="";for(let e=0;e\n\n"+e+"\n"+(s=s&&`${s}`)+"\n"}tablerow({text:e}){return` +${e} +`}tablecell(e){var t=this.parser.parseInline(e.tokens),n=e.header?"th":"td";return(e.align?`<${n} align="${e.align}">`:`<${n}>`)+t+` +`}strong({tokens:e}){return`${this.parser.parseInline(e)}`}em({tokens:e}){return`${this.parser.parseInline(e)}`}codespan({text:e}){return`${e}`}br(e){return"
"}del({tokens:e}){return`${this.parser.parseInline(e)}`}link({href:e,title:t,tokens:n}){var n=this.parser.parseInline(n),s=o(e);if(null===s)return n;let r='
"}image({href:e,title:t,text:n}){var s=o(e);if(null===s)return n;let r=`${n}{e=o[e].flat(1/0);n=n.concat(this.walkTokens(e,t))}):o.tokens&&(n=n.concat(this.walkTokens(o.tokens,t)))}}return n}use(...e){const w=this.defaults.extensions||{renderers:{},childTokens:{}};return e.forEach(e=>{const t={...e};if(t.async=this.defaults.async||t.async||!1,e.extensions&&(e.extensions.forEach(n=>{if(!n.name)throw new Error("extension name required");if("renderer"in n){const s=w.renderers[n.name];s?w.renderers[n.name]=function(...e){let t=n.renderer.apply(this,e);return t=!1===t?s.apply(this,e):t}:w.renderers[n.name]=n.renderer}if("tokenizer"in n){if(!n.level||"block"!==n.level&&"inline"!==n.level)throw new Error("extension level must be 'block' or 'inline'");const e=w[n.level];e?e.unshift(n.tokenizer):w[n.level]=[n.tokenizer],n.start&&("block"===n.level?w.startBlock?w.startBlock.push(n.start):w.startBlock=[n.start]:"inline"===n.level&&(w.startInline?w.startInline.push(n.start):w.startInline=[n.start]))}"childTokens"in n&&n.childTokens&&(w.childTokens[n.name]=n.childTokens)}),t.extensions=w),e.renderer){const i=this.defaults.renderer||new I(this.defaults);for(const l in e.renderer){if(!(l in i))throw new Error(`renderer '${l}' does not exist`);if(!["options","parser"].includes(l)){var n=l;const a=e.renderer[n],o=i[n];i[n]=(...e)=>{let t=a.apply(i,e);return(t=!1===t?o.apply(i,e):t)||""}}}t.renderer=i}if(e.tokenizer){const c=this.defaults.tokenizer||new m(this.defaults);for(const h in e.tokenizer){if(!(h in c))throw new Error(`tokenizer '${h}' does not exist`);if(!["options","rules","lexer"].includes(h)){var s=h;const p=e.tokenizer[s],u=c[s];c[s]=(...e)=>{let t=p.apply(c,e);return t=!1===t?u.apply(c,e):t}}}t.tokenizer=c}if(e.hooks){const g=this.defaults.hooks||new Z;for(const k in e.hooks){if(!(k in g))throw new Error(`hook '${k}' does not exist`);if("options"!==k){var r=k;const f=e.hooks[r],d=g[r];Z.passThroughHooks.has(k)?g[r]=e=>{if(this.defaults.async)return Promise.resolve(f.call(g,e)).then(e=>d.call(g,e));e=f.call(g,e);return d.call(g,e)}:g[r]=(...e)=>{let t=f.apply(g,e);return t=!1===t?d.apply(g,e):t}}}t.hooks=g}if(e.walkTokens){const x=this.defaults.walkTokens,b=e.walkTokens;t.walkTokens=function(e){let t=[];return t.push(b.call(this,e)),t=x?t.concat(x.call(this,e)):t}}this.defaults={...this.defaults,...t}}),this}setOptions(e){return this.defaults={...this.defaults,...e},this}lexer(e,t){return S.lex(e,t??this.defaults)}parser(e,t){return q.parse(e,t??this.defaults)}parseMarkdown(r,i){return(n,e)=>{e={...e};const s={...this.defaults,...e},t=this.onError(!!s.silent,!!s.async);if(!0===this.defaults.async&&!1===e.async)return t(new Error("marked(): The async option was set to true by an extension. Remove async: false from the parse options object to return a Promise."));if(null==n)return t(new Error("marked(): input parameter is undefined or null"));if("string"!=typeof n)return t(new Error("marked(): input parameter is of type "+Object.prototype.toString.call(n)+", string expected"));if(s.hooks&&(s.hooks.options=s),s.async)return Promise.resolve(s.hooks?s.hooks.preprocess(n):n).then(e=>r(e,s)).then(e=>s.hooks?s.hooks.processAllTokens(e):e).then(e=>s.walkTokens?Promise.all(this.walkTokens(e,s.walkTokens)).then(()=>e):e).then(e=>i(e,s)).then(e=>s.hooks?s.hooks.postprocess(e):e).catch(t);try{s.hooks&&(n=s.hooks.preprocess(n));let e=r(n,s),t=(s.hooks&&(e=s.hooks.processAllTokens(e)),s.walkTokens&&this.walkTokens(e,s.walkTokens),i(e,s));return t=s.hooks?s.hooks.postprocess(t):t}catch(e){return t(e)}}}onError(n,s){return e=>{var t;if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",n)return t="

An error occurred:

"+l(e.message+"",!0)+"
",s?Promise.resolve(t):t;if(s)return Promise.reject(e);throw e}}}const P=new H;function L(e,t){return P.parse(e,t)}L.options=L.setOptions=function(e){return P.setOptions(e),t(L.defaults=P.defaults),L},L.getDefaults=e,L.defaults=n.defaults,L.use=function(...e){return P.use(...e),t(L.defaults=P.defaults),L},L.walkTokens=function(e,t){return P.walkTokens(e,t)},L.parseInline=P.parseInline,L.Parser=q,L.parser=q.parse,L.Renderer=I,L.TextRenderer=E,L.Lexer=S,L.lexer=S.lex,L.Tokenizer=m,L.Hooks=Z;z=(L.parse=L).options,T=L.setOptions,p=L.use,R=L.walkTokens,d=L.parseInline,w=L,c=q.parse,v=S.lex;n.Hooks=Z,n.Lexer=S,n.Marked=H,n.Parser=q,n.Renderer=I,n.TextRenderer=E,n.Tokenizer=m,n.getDefaults=e,n.lexer=v,n.marked=L,n.options=z,n.parse=w,n.parseInline=d,n.parser=c,n.setOptions=T,n.use=p,n.walkTokens=R}); \ No newline at end of file diff --git a/public/scripts/marked.js b/public/scripts/marked.js new file mode 100644 index 00000000..96134e28 --- /dev/null +++ b/public/scripts/marked.js @@ -0,0 +1,2506 @@ +/** + * marked v14.0.0 - a markdown parser + * Copyright (c) 2011-2024, 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' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.marked = {})); +})(this, (function (exports) { 'use strict'; + + /** + * Gets the original marked default options. + */ + function _getDefaults() { + return { + async: false, + breaks: false, + extensions: null, + gfm: true, + hooks: null, + pedantic: false, + renderer: null, + silent: false, + tokenizer: null, + walkTokens: null, + }; + } + exports.defaults = _getDefaults(); + function changeDefaults(newDefaults) { + exports.defaults = newDefaults; + } + + /** + * Helpers + */ + const escapeTest = /[&<>"']/; + const escapeReplace = new RegExp(escapeTest.source, 'g'); + const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/; + const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g'); + const escapeReplacements = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + }; + const getEscapeReplacement = (ch) => escapeReplacements[ch]; + function escape$1(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; + } + const caret = /(^|[^\[])\^/g; + function edit(regex, opt) { + let source = typeof regex === 'string' ? regex : regex.source; + opt = opt || ''; + const obj = { + replace: (name, val) => { + let valSource = typeof val === 'string' ? val : val.source; + valSource = valSource.replace(caret, '$1'); + source = source.replace(name, valSource); + return obj; + }, + getRegex: () => { + return new RegExp(source, opt); + }, + }; + return obj; + } + function cleanUrl(href) { + try { + href = encodeURI(href).replace(/%25/g, '%'); + } + catch { + return null; + } + return href; + } + const noopTest = { exec: () => null }; + function splitCells(tableRow, count) { + // ensure that every cell-delimiting pipe has a space + // before it to distinguish it from an escaped pipe + const row = tableRow.replace(/\|/g, (match, offset, str) => { + let escaped = false; + let curr = offset; + while (--curr >= 0 && str[curr] === '\\') + escaped = !escaped; + if (escaped) { + // odd number of slashes means | is escaped + // so we leave it alone + return '|'; + } + else { + // add space before unescaped | + return ' |'; + } + }), cells = row.split(/ \|/); + let i = 0; + // First/last cell in a row cannot be empty if it has no leading/trailing pipe + if (!cells[0].trim()) { + cells.shift(); + } + if (cells.length > 0 && !cells[cells.length - 1].trim()) { + cells.pop(); + } + if (count) { + if (cells.length > count) { + cells.splice(count); + } + else { + while (cells.length < count) + cells.push(''); + } + } + for (; i < cells.length; i++) { + // leading or trailing whitespace is ignored per the gfm spec + cells[i] = cells[i].trim().replace(/\\\|/g, '|'); + } + return cells; + } + /** + * Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). + * /c*$/ is vulnerable to REDOS. + * + * @param str + * @param c + * @param invert Remove suffix of non-c chars instead. Default falsey. + */ + function rtrim(str, c, invert) { + const l = str.length; + if (l === 0) { + return ''; + } + // Length of suffix matching the invert condition. + let suffLen = 0; + // Step left until we fail to match the invert condition. + while (suffLen < l) { + const currChar = str.charAt(l - suffLen - 1); + if (currChar === c && !invert) { + suffLen++; + } + else if (currChar !== c && invert) { + suffLen++; + } + else { + break; + } + } + return str.slice(0, l - suffLen); + } + function findClosingBracket(str, b) { + if (str.indexOf(b[1]) === -1) { + return -1; + } + let level = 0; + for (let i = 0; i < str.length; 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 outputLink(cap, link, raw, lexer) { + const href = link.href; + const title = link.title ? escape$1(link.title) : null; + const text = cap[1].replace(/\\([\[\]])/g, '$1'); + if (cap[0].charAt(0) !== '!') { + lexer.state.inLink = true; + const token = { + type: 'link', + raw, + href, + title, + text, + tokens: lexer.inlineTokens(text), + }; + lexer.state.inLink = false; + return token; + } + return { + type: 'image', + raw, + href, + title, + text: escape$1(text), + }; + } + function indentCodeCompensation(raw, text) { + const matchIndentToCode = raw.match(/^(\s+)(?:```)/); + if (matchIndentToCode === null) { + return text; + } + const indentToCode = matchIndentToCode[1]; + return text + .split('\n') + .map(node => { + const matchIndentInNode = node.match(/^\s+/); + if (matchIndentInNode === null) { + return node; + } + const [indentInNode] = matchIndentInNode; + if (indentInNode.length >= indentToCode.length) { + return node.slice(indentToCode.length); + } + return node; + }) + .join('\n'); + } + /** + * Tokenizer + */ + class _Tokenizer { + options; + rules; // set by the lexer + lexer; // set by the lexer + constructor(options) { + this.options = options || exports.defaults; + } + space(src) { + const cap = this.rules.block.newline.exec(src); + if (cap && cap[0].length > 0) { + return { + type: 'space', + raw: cap[0], + }; + } + } + code(src) { + const cap = this.rules.block.code.exec(src); + if (cap) { + const text = cap[0].replace(/^ {1,4}/gm, ''); + return { + type: 'code', + raw: cap[0], + codeBlockStyle: 'indented', + text: !this.options.pedantic + ? rtrim(text, '\n') + : text, + }; + } + } + fences(src) { + const cap = this.rules.block.fences.exec(src); + if (cap) { + const raw = cap[0]; + const text = indentCodeCompensation(raw, cap[3] || ''); + return { + type: 'code', + raw, + lang: cap[2] ? cap[2].trim().replace(this.rules.inline.anyPunctuation, '$1') : cap[2], + text, + }; + } + } + heading(src) { + const cap = this.rules.block.heading.exec(src); + if (cap) { + let text = cap[2].trim(); + // remove trailing #s + if (/#$/.test(text)) { + const trimmed = rtrim(text, '#'); + if (this.options.pedantic) { + text = trimmed.trim(); + } + else if (!trimmed || / $/.test(trimmed)) { + // CommonMark requires space before trailing #s + text = trimmed.trim(); + } + } + return { + type: 'heading', + raw: cap[0], + depth: cap[1].length, + text, + tokens: this.lexer.inline(text), + }; + } + } + hr(src) { + const cap = this.rules.block.hr.exec(src); + if (cap) { + return { + type: 'hr', + raw: rtrim(cap[0], '\n'), + }; + } + } + blockquote(src) { + const cap = this.rules.block.blockquote.exec(src); + if (cap) { + let lines = rtrim(cap[0], '\n').split('\n'); + let raw = ''; + let text = ''; + const tokens = []; + while (lines.length > 0) { + let inBlockquote = false; + const currentLines = []; + let i; + for (i = 0; i < lines.length; i++) { + // get lines up to a continuation + if (/^ {0,3}>/.test(lines[i])) { + currentLines.push(lines[i]); + inBlockquote = true; + } + else if (!inBlockquote) { + currentLines.push(lines[i]); + } + else { + break; + } + } + lines = lines.slice(i); + const currentRaw = currentLines.join('\n'); + const currentText = currentRaw + // precede setext continuation with 4 spaces so it isn't a setext + .replace(/\n {0,3}((?:=+|-+) *)(?=\n|$)/g, '\n $1') + .replace(/^ {0,3}>[ \t]?/gm, ''); + raw = raw ? `${raw}\n${currentRaw}` : currentRaw; + text = text ? `${text}\n${currentText}` : currentText; + // parse blockquote lines as top level tokens + // merge paragraphs if this is a continuation + const top = this.lexer.state.top; + this.lexer.state.top = true; + this.lexer.blockTokens(currentText, tokens, true); + this.lexer.state.top = top; + // if there is no continuation then we are done + if (lines.length === 0) { + break; + } + const lastToken = tokens[tokens.length - 1]; + if (lastToken?.type === 'code') { + // blockquote continuation cannot be preceded by a code block + break; + } + else if (lastToken?.type === 'blockquote') { + // include continuation in nested blockquote + const oldToken = lastToken; + const newText = oldToken.raw + '\n' + lines.join('\n'); + const newToken = this.blockquote(newText); + tokens[tokens.length - 1] = newToken; + raw = raw.substring(0, raw.length - oldToken.raw.length) + newToken.raw; + text = text.substring(0, text.length - oldToken.text.length) + newToken.text; + break; + } + else if (lastToken?.type === 'list') { + // include continuation in nested list + const oldToken = lastToken; + const newText = oldToken.raw + '\n' + lines.join('\n'); + const newToken = this.list(newText); + tokens[tokens.length - 1] = newToken; + raw = raw.substring(0, raw.length - lastToken.raw.length) + newToken.raw; + text = text.substring(0, text.length - oldToken.raw.length) + newToken.raw; + lines = newText.substring(tokens[tokens.length - 1].raw.length).split('\n'); + continue; + } + } + return { + type: 'blockquote', + raw, + tokens, + text, + }; + } + } + list(src) { + let cap = this.rules.block.list.exec(src); + if (cap) { + let bull = cap[1].trim(); + const isordered = bull.length > 1; + const list = { + type: 'list', + raw: '', + ordered: isordered, + start: isordered ? +bull.slice(0, -1) : '', + loose: false, + items: [], + }; + bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`; + if (this.options.pedantic) { + bull = isordered ? bull : '[*+-]'; + } + // Get next list item + const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`); + let endsWithBlankLine = false; + // Check if current bullet point can start a new List Item + while (src) { + let endEarly = false; + let raw = ''; + let itemContents = ''; + if (!(cap = itemRegex.exec(src))) { + break; + } + if (this.rules.block.hr.test(src)) { // End list if bullet was actually HR (possibly move into itemRegex?) + break; + } + raw = cap[0]; + src = src.substring(raw.length); + let line = cap[2].split('\n', 1)[0].replace(/^\t+/, (t) => ' '.repeat(3 * t.length)); + let nextLine = src.split('\n', 1)[0]; + let blankLine = !line.trim(); + let indent = 0; + if (this.options.pedantic) { + indent = 2; + itemContents = line.trimStart(); + } + else if (blankLine) { + indent = cap[1].length + 1; + } + else { + indent = cap[2].search(/[^ ]/); // Find first non-space char + indent = indent > 4 ? 1 : indent; // Treat indented code blocks (> 4 spaces) as having only 1 indent + itemContents = line.slice(indent); + indent += cap[1].length; + } + if (blankLine && /^ *$/.test(nextLine)) { // Items begin with at most one blank line + raw += nextLine + '\n'; + src = src.substring(nextLine.length + 1); + endEarly = true; + } + if (!endEarly) { + const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ \t][^\\n]*)?(?:\\n|$))`); + const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`); + const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`); + const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`); + // Check if following lines should be included in List Item + while (src) { + const rawLine = src.split('\n', 1)[0]; + nextLine = rawLine; + // Re-align to follow commonmark nesting rules + if (this.options.pedantic) { + nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, ' '); + } + // End list item if found code fences + if (fencesBeginRegex.test(nextLine)) { + break; + } + // End list item if found start of new heading + if (headingBeginRegex.test(nextLine)) { + break; + } + // End list item if found start of new bullet + if (nextBulletRegex.test(nextLine)) { + break; + } + // Horizontal rule found + if (hrRegex.test(src)) { + break; + } + if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { // Dedent if possible + itemContents += '\n' + nextLine.slice(indent); + } + else { + // not enough indentation + if (blankLine) { + break; + } + // paragraph continuation unless last line was a different block level element + if (line.search(/[^ ]/) >= 4) { // indented code block + break; + } + if (fencesBeginRegex.test(line)) { + break; + } + if (headingBeginRegex.test(line)) { + break; + } + if (hrRegex.test(line)) { + break; + } + itemContents += '\n' + nextLine; + } + if (!blankLine && !nextLine.trim()) { // Check if current line is blank + blankLine = true; + } + raw += rawLine + '\n'; + src = src.substring(rawLine.length + 1); + line = nextLine.slice(indent); + } + } + if (!list.loose) { + // If the previous item ended with a blank line, the list is loose + if (endsWithBlankLine) { + list.loose = true; + } + else if (/\n *\n *$/.test(raw)) { + endsWithBlankLine = true; + } + } + let istask = null; + let ischecked; + // Check for task list items + if (this.options.gfm) { + istask = /^\[[ xX]\] /.exec(itemContents); + if (istask) { + ischecked = istask[0] !== '[ ] '; + itemContents = itemContents.replace(/^\[[ xX]\] +/, ''); + } + } + list.items.push({ + type: 'list_item', + raw, + task: !!istask, + checked: ischecked, + loose: false, + text: itemContents, + tokens: [], + }); + list.raw += raw; + } + // Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic + list.items[list.items.length - 1].raw = list.items[list.items.length - 1].raw.trimEnd(); + list.items[list.items.length - 1].text = list.items[list.items.length - 1].text.trimEnd(); + list.raw = list.raw.trimEnd(); + // Item child tokens handled here at end because we needed to have the final item to trim it first + for (let i = 0; i < list.items.length; i++) { + this.lexer.state.top = false; + list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []); + if (!list.loose) { + // Check if list should be loose + const spacers = list.items[i].tokens.filter(t => t.type === 'space'); + const hasMultipleLineBreaks = spacers.length > 0 && spacers.some(t => /\n.*\n/.test(t.raw)); + list.loose = hasMultipleLineBreaks; + } + } + // Set all items to loose if list is loose + if (list.loose) { + for (let i = 0; i < list.items.length; i++) { + list.items[i].loose = true; + } + } + return list; + } + } + html(src) { + const cap = this.rules.block.html.exec(src); + if (cap) { + const token = { + type: 'html', + block: true, + raw: cap[0], + pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style', + text: cap[0], + }; + return token; + } + } + def(src) { + const cap = this.rules.block.def.exec(src); + if (cap) { + const tag = cap[1].toLowerCase().replace(/\s+/g, ' '); + const href = cap[2] ? cap[2].replace(/^<(.*)>$/, '$1').replace(this.rules.inline.anyPunctuation, '$1') : ''; + const title = cap[3] ? cap[3].substring(1, cap[3].length - 1).replace(this.rules.inline.anyPunctuation, '$1') : cap[3]; + return { + type: 'def', + tag, + raw: cap[0], + href, + title, + }; + } + } + table(src) { + const cap = this.rules.block.table.exec(src); + if (!cap) { + return; + } + if (!/[:|]/.test(cap[2])) { + // delimiter row must have a pipe (|) or colon (:) otherwise it is a setext heading + return; + } + const headers = splitCells(cap[1]); + const aligns = cap[2].replace(/^\||\| *$/g, '').split('|'); + const rows = cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : []; + const item = { + type: 'table', + raw: cap[0], + header: [], + align: [], + rows: [], + }; + if (headers.length !== aligns.length) { + // header and align columns must be equal, rows can be different. + return; + } + for (const align of aligns) { + if (/^ *-+: *$/.test(align)) { + item.align.push('right'); + } + else if (/^ *:-+: *$/.test(align)) { + item.align.push('center'); + } + else if (/^ *:-+ *$/.test(align)) { + item.align.push('left'); + } + else { + item.align.push(null); + } + } + for (let i = 0; i < headers.length; i++) { + item.header.push({ + text: headers[i], + tokens: this.lexer.inline(headers[i]), + header: true, + align: item.align[i], + }); + } + for (const row of rows) { + item.rows.push(splitCells(row, item.header.length).map((cell, i) => { + return { + text: cell, + tokens: this.lexer.inline(cell), + header: false, + align: item.align[i], + }; + })); + } + return item; + } + lheading(src) { + const 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], + tokens: this.lexer.inline(cap[1]), + }; + } + } + paragraph(src) { + const cap = this.rules.block.paragraph.exec(src); + if (cap) { + const text = cap[1].charAt(cap[1].length - 1) === '\n' + ? cap[1].slice(0, -1) + : cap[1]; + return { + type: 'paragraph', + raw: cap[0], + text, + tokens: this.lexer.inline(text), + }; + } + } + text(src) { + const cap = this.rules.block.text.exec(src); + if (cap) { + return { + type: 'text', + raw: cap[0], + text: cap[0], + tokens: this.lexer.inline(cap[0]), + }; + } + } + escape(src) { + const cap = this.rules.inline.escape.exec(src); + if (cap) { + return { + type: 'escape', + raw: cap[0], + text: escape$1(cap[1]), + }; + } + } + tag(src) { + const cap = this.rules.inline.tag.exec(src); + if (cap) { + if (!this.lexer.state.inLink && /^
/i.test(cap[0])) { + this.lexer.state.inLink = false; + } + if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.lexer.state.inRawBlock = true; + } + else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.lexer.state.inRawBlock = false; + } + return { + type: 'html', + raw: cap[0], + inLink: this.lexer.state.inLink, + inRawBlock: this.lexer.state.inRawBlock, + block: false, + text: cap[0], + }; + } + } + link(src) { + const cap = this.rules.inline.link.exec(src); + if (cap) { + const trimmedUrl = cap[2].trim(); + if (!this.options.pedantic && /^$/.test(trimmedUrl))) { + return; + } + // ending angle bracket cannot be escaped + const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\'); + if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) { + return; + } + } + else { + // find closing parenthesis + const lastParenIndex = findClosingBracket(cap[2], '()'); + if (lastParenIndex > -1) { + const start = cap[0].indexOf('!') === 0 ? 5 : 4; + const linkLen = start + cap[1].length + lastParenIndex; + cap[2] = cap[2].substring(0, lastParenIndex); + cap[0] = cap[0].substring(0, linkLen).trim(); + cap[3] = ''; + } + } + let href = cap[2]; + let title = ''; + if (this.options.pedantic) { + // split pedantic href and title + const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); + if (link) { + href = link[1]; + title = link[3]; + } + } + else { + title = cap[3] ? cap[3].slice(1, -1) : ''; + } + href = href.trim(); + if (/^$/.test(trimmedUrl))) { + // pedantic allows starting angle bracket without ending angle bracket + href = href.slice(1); + } + else { + href = href.slice(1, -1); + } + } + return outputLink(cap, { + href: href ? href.replace(this.rules.inline.anyPunctuation, '$1') : href, + title: title ? title.replace(this.rules.inline.anyPunctuation, '$1') : title, + }, cap[0], this.lexer); + } + } + reflink(src, links) { + let cap; + if ((cap = this.rules.inline.reflink.exec(src)) + || (cap = this.rules.inline.nolink.exec(src))) { + const linkString = (cap[2] || cap[1]).replace(/\s+/g, ' '); + const link = links[linkString.toLowerCase()]; + if (!link) { + const text = cap[0].charAt(0); + return { + type: 'text', + raw: text, + text, + }; + } + return outputLink(cap, link, cap[0], this.lexer); + } + } + emStrong(src, maskedSrc, prevChar = '') { + let match = this.rules.inline.emStrongLDelim.exec(src); + if (!match) + return; + // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well + if (match[3] && prevChar.match(/[\p{L}\p{N}]/u)) + return; + const nextChar = match[1] || match[2] || ''; + if (!nextChar || !prevChar || this.rules.inline.punctuation.exec(prevChar)) { + // unicode Regex counts emoji as 1 char; spread into array for proper count (used multiple times below) + const lLength = [...match[0]].length - 1; + let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0; + const endReg = match[0][0] === '*' ? this.rules.inline.emStrongRDelimAst : this.rules.inline.emStrongRDelimUnd; + endReg.lastIndex = 0; + // Clip maskedSrc to same section of string as src (move to lexer?) + maskedSrc = maskedSrc.slice(-1 * src.length + lLength); + while ((match = endReg.exec(maskedSrc)) != null) { + rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6]; + if (!rDelim) + continue; // skip single * in __abc*abc__ + rLength = [...rDelim].length; + if (match[3] || match[4]) { // found another Left Delim + delimTotal += rLength; + continue; + } + else if (match[5] || match[6]) { // either Left or Right Delim + if (lLength % 3 && !((lLength + rLength) % 3)) { + midDelimTotal += rLength; + continue; // CommonMark Emphasis Rules 9-10 + } + } + delimTotal -= rLength; + if (delimTotal > 0) + continue; // Haven't found enough closing delimiters + // Remove extra characters. *a*** -> *a* + rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); + // char length can be >1 for unicode characters; + const lastCharLength = [...match[0]][0].length; + const raw = src.slice(0, lLength + match.index + lastCharLength + rLength); + // Create `em` if smallest delimiter has odd char count. *a*** + if (Math.min(lLength, rLength) % 2) { + const text = raw.slice(1, -1); + return { + type: 'em', + raw, + text, + tokens: this.lexer.inlineTokens(text), + }; + } + // Create 'strong' if smallest delimiter has even char count. **a*** + const text = raw.slice(2, -2); + return { + type: 'strong', + raw, + text, + tokens: this.lexer.inlineTokens(text), + }; + } + } + } + codespan(src) { + const cap = this.rules.inline.code.exec(src); + if (cap) { + let text = cap[2].replace(/\n/g, ' '); + const hasNonSpaceChars = /[^ ]/.test(text); + const hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text); + if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) { + text = text.substring(1, text.length - 1); + } + text = escape$1(text, true); + return { + type: 'codespan', + raw: cap[0], + text, + }; + } + } + br(src) { + const cap = this.rules.inline.br.exec(src); + if (cap) { + return { + type: 'br', + raw: cap[0], + }; + } + } + del(src) { + const cap = this.rules.inline.del.exec(src); + if (cap) { + return { + type: 'del', + raw: cap[0], + text: cap[2], + tokens: this.lexer.inlineTokens(cap[2]), + }; + } + } + autolink(src) { + const cap = this.rules.inline.autolink.exec(src); + if (cap) { + let text, href; + if (cap[2] === '@') { + text = escape$1(cap[1]); + href = 'mailto:' + text; + } + else { + text = escape$1(cap[1]); + href = text; + } + return { + type: 'link', + raw: cap[0], + text, + href, + tokens: [ + { + type: 'text', + raw: text, + text, + }, + ], + }; + } + } + url(src) { + let cap; + if (cap = this.rules.inline.url.exec(src)) { + let text, href; + if (cap[2] === '@') { + text = escape$1(cap[0]); + href = 'mailto:' + text; + } + else { + // do extended autolink path validation + let prevCapZero; + 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://' + cap[0]; + } + else { + href = cap[0]; + } + } + return { + type: 'link', + raw: cap[0], + text, + href, + tokens: [ + { + type: 'text', + raw: text, + text, + }, + ], + }; + } + } + inlineText(src) { + const cap = this.rules.inline.text.exec(src); + if (cap) { + let text; + if (this.lexer.state.inRawBlock) { + text = cap[0]; + } + else { + text = escape$1(cap[0]); + } + return { + type: 'text', + raw: cap[0], + text, + }; + } + } + } + + /** + * Block-Level Grammar + */ + const newline = /^(?: *(?:\n|$))+/; + const blockCode = /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/; + const fences = /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/; + const hr = /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/; + const heading = /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/; + const bullet = /(?:[*+-]|\d{1,9}[.)])/; + const lheading = edit(/^(?!bull |blockCode|fences|blockquote|heading|html)((?:.|\n(?!\s*?\n|bull |blockCode|fences|blockquote|heading|html))+?)\n {0,3}(=+|-+) *(?:\n+|$)/) + .replace(/bull/g, bullet) // lists can interrupt + .replace(/blockCode/g, / {4}/) // indented code blocks can interrupt + .replace(/fences/g, / {0,3}(?:`{3,}|~{3,})/) // fenced code blocks can interrupt + .replace(/blockquote/g, / {0,3}>/) // blockquote can interrupt + .replace(/heading/g, / {0,3}#{1,6}/) // ATX heading can interrupt + .replace(/html/g, / {0,3}<[^\n>]+>\n/) // block html can interrupt + .getRegex(); + const _paragraph = /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/; + const blockText = /^[^\n]+/; + const _blockLabel = /(?!\s*\])(?:\\.|[^\[\]\\])+/; + const def = edit(/^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/) + .replace('label', _blockLabel) + .replace('title', /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/) + .getRegex(); + const list = edit(/^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/) + .replace(/bull/g, bullet) + .getRegex(); + const _tag = 'address|article|aside|base|basefont|blockquote|body|caption' + + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + + '|p|param|search|section|summary|table|tbody|td|tfoot|th|thead|title' + + '|tr|track|ul'; + const _comment = /|$))/; + const html = edit('^ {0,3}(?:' // optional indentation + + '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)' // (1) + + '|comment[^\\n]*(\\n+|$)' // (2) + + '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3) + + '|\\n*|$)' // (4) + + '|\\n*|$)' // (5) + + '|)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (6) + + '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag + + '|(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag + + ')', 'i') + .replace('comment', _comment) + .replace('tag', _tag) + .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/) + .getRegex(); + const paragraph = edit(_paragraph) + .replace('hr', hr) + .replace('heading', ' {0,3}#{1,6}(?:\\s|$)') + .replace('|lheading', '') // setext headings don't interrupt commonmark paragraphs + .replace('|table', '') + .replace('blockquote', ' {0,3}>') + .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') + .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt + .replace('html', ')|<(?:script|pre|style|textarea|!--)') + .replace('tag', _tag) // pars can be interrupted by type (6) html blocks + .getRegex(); + const blockquote = edit(/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/) + .replace('paragraph', paragraph) + .getRegex(); + /** + * Normal Block Grammar + */ + const blockNormal = { + blockquote, + code: blockCode, + def, + fences, + heading, + hr, + html, + lheading, + list, + newline, + paragraph, + table: noopTest, + text: blockText, + }; + /** + * GFM Block Grammar + */ + const gfmTable = edit('^ *([^\\n ].*)\\n' // Header + + ' {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)' // Align + + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)') // Cells + .replace('hr', hr) + .replace('heading', ' {0,3}#{1,6}(?:\\s|$)') + .replace('blockquote', ' {0,3}>') + .replace('code', ' {4}[^\\n]') + .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') + .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt + .replace('html', ')|<(?:script|pre|style|textarea|!--)') + .replace('tag', _tag) // tables can be interrupted by type (6) html blocks + .getRegex(); + const blockGfm = { + ...blockNormal, + table: gfmTable, + paragraph: edit(_paragraph) + .replace('hr', hr) + .replace('heading', ' {0,3}#{1,6}(?:\\s|$)') + .replace('|lheading', '') // setext headings don't interrupt commonmark paragraphs + .replace('table', gfmTable) // interrupt paragraphs with table + .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', ')|<(?:script|pre|style|textarea|!--)') + .replace('tag', _tag) // pars can be interrupted by type (6) html blocks + .getRegex(), + }; + /** + * Pedantic grammar (original John Gruber's loose markdown specification) + */ + const blockPedantic = { + ...blockNormal, + html: edit('^ *(?:comment *(?:\\n|\\s*$)' + + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag + + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') + .replace('comment', _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: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/, + heading: /^(#{1,6})(.*)(?:\n+|$)/, + fences: noopTest, // fences not supported + lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/, + paragraph: edit(_paragraph) + .replace('hr', hr) + .replace('heading', ' *#{1,6} *[^\n]') + .replace('lheading', lheading) + .replace('|table', '') + .replace('blockquote', ' {0,3}>') + .replace('|fences', '') + .replace('|list', '') + .replace('|html', '') + .replace('|tag', '') + .getRegex(), + }; + /** + * Inline-Level Grammar + */ + const escape = /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/; + const inlineCode = /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/; + const br = /^( {2,}|\\)\n(?!\s*$)/; + const inlineText = /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\ + const blockSkip = /\[[^[\]]*?\]\([^\(\)]*?\)|`[^`]*?`|<[^<>]*?>/g; + const emStrongLDelim = edit(/^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, 'u') + .replace(/punct/g, _punctuation) + .getRegex(); + const emStrongRDelimAst = edit('^[^_*]*?__[^_*]*?\\*[^_*]*?(?=__)' // Skip orphan inside strong + + '|[^*]+(?=[^*])' // Consume to delim + + '|(?!\\*)[punct](\\*+)(?=[\\s]|$)' // (1) #*** can only be a Right Delimiter + + '|[^punct\\s](\\*+)(?!\\*)(?=[punct\\s]|$)' // (2) a***#, a*** can only be a Right Delimiter + + '|(?!\\*)[punct\\s](\\*+)(?=[^punct\\s])' // (3) #***a, ***a can only be Left Delimiter + + '|[\\s](\\*+)(?!\\*)(?=[punct])' // (4) ***# can only be Left Delimiter + + '|(?!\\*)[punct](\\*+)(?!\\*)(?=[punct])' // (5) #***# can be either Left or Right Delimiter + + '|[^punct\\s](\\*+)(?=[^punct\\s])', 'gu') // (6) a***a can be either Left or Right Delimiter + .replace(/punct/g, _punctuation) + .getRegex(); + // (6) Not allowed for _ + const emStrongRDelimUnd = edit('^[^_*]*?\\*\\*[^_*]*?_[^_*]*?(?=\\*\\*)' // Skip orphan inside strong + + '|[^_]+(?=[^_])' // Consume to delim + + '|(?!_)[punct](_+)(?=[\\s]|$)' // (1) #___ can only be a Right Delimiter + + '|[^punct\\s](_+)(?!_)(?=[punct\\s]|$)' // (2) a___#, a___ can only be a Right Delimiter + + '|(?!_)[punct\\s](_+)(?=[^punct\\s])' // (3) #___a, ___a can only be Left Delimiter + + '|[\\s](_+)(?!_)(?=[punct])' // (4) ___# can only be Left Delimiter + + '|(?!_)[punct](_+)(?!_)(?=[punct])', 'gu') // (5) #___# can be either Left or Right Delimiter + .replace(/punct/g, _punctuation) + .getRegex(); + const anyPunctuation = edit(/\\([punct])/, 'gu') + .replace(/punct/g, _punctuation) + .getRegex(); + const autolink = edit(/^<(scheme:[^\s\x00-\x1f<>]*|email)>/) + .replace('scheme', /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/) + .replace('email', /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/) + .getRegex(); + const _inlineComment = edit(_comment).replace('(?:-->|$)', '-->').getRegex(); + const tag = edit('^comment' + + '|^' // self-closing tag + + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag + + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. + + '|^' // declaration, e.g. + + '|^') // CDATA section + .replace('comment', _inlineComment) + .replace('attribute', /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/) + .getRegex(); + const _inlineLabel = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/; + const link = edit(/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/) + .replace('label', _inlineLabel) + .replace('href', /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/) + .replace('title', /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/) + .getRegex(); + const reflink = edit(/^!?\[(label)\]\[(ref)\]/) + .replace('label', _inlineLabel) + .replace('ref', _blockLabel) + .getRegex(); + const nolink = edit(/^!?\[(ref)\](?:\[\])?/) + .replace('ref', _blockLabel) + .getRegex(); + const reflinkSearch = edit('reflink|nolink(?!\\()', 'g') + .replace('reflink', reflink) + .replace('nolink', nolink) + .getRegex(); + /** + * Normal Inline Grammar + */ + const inlineNormal = { + _backpedal: noopTest, // only used for GFM url + anyPunctuation, + autolink, + blockSkip, + br, + code: inlineCode, + del: noopTest, + emStrongLDelim, + emStrongRDelimAst, + emStrongRDelimUnd, + escape, + link, + nolink, + punctuation, + reflink, + reflinkSearch, + tag, + text: inlineText, + url: noopTest, + }; + /** + * Pedantic Inline Grammar + */ + const inlinePedantic = { + ...inlineNormal, + link: edit(/^!?\[(label)\]\((.*?)\)/) + .replace('label', _inlineLabel) + .getRegex(), + reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/) + .replace('label', _inlineLabel) + .getRegex(), + }; + /** + * GFM Inline Grammar + */ + const inlineGfm = { + ...inlineNormal, + escape: edit(escape).replace('])', '~|])').getRegex(), + url: edit(/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, 'i') + .replace('email', /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/) + .getRegex(), + _backpedal: /(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/, + del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/, + text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\ { + return leading + ' '.repeat(tabs.length); + }); + } + let token; + let lastToken; + let cutSrc; + while (src) { + if (this.options.extensions + && this.options.extensions.block + && this.options.extensions.block.some((extTokenizer) => { + if (token = extTokenizer.call({ lexer: this }, src, tokens)) { + src = src.substring(token.raw.length); + tokens.push(token); + return true; + } + return false; + })) { + continue; + } + // newline + if (token = this.tokenizer.space(src)) { + src = src.substring(token.raw.length); + if (token.raw.length === 1 && tokens.length > 0) { + // if there's a single \n as a spacer, it's terminating the last line, + // so move it there so that we don't get unnecessary paragraph tags + tokens[tokens.length - 1].raw += '\n'; + } + else { + tokens.push(token); + } + continue; + } + // code + if (token = this.tokenizer.code(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + // An indented code block cannot interrupt a paragraph. + if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + 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; + } + // 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); + tokens.push(token); + continue; + } + // list + if (token = this.tokenizer.list(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // html + if (token = this.tokenizer.html(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // def + if (token = this.tokenizer.def(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.raw; + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else 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 + // prevent paragraph consuming extensions by clipping 'src' to extension start + cutSrc = src; + if (this.options.extensions && this.options.extensions.startBlock) { + let startIndex = Infinity; + const tempSrc = src.slice(1); + let tempStart; + this.options.extensions.startBlock.forEach((getStartIndex) => { + tempStart = getStartIndex.call({ lexer: this }, tempSrc); + if (typeof tempStart === 'number' && tempStart >= 0) { + startIndex = Math.min(startIndex, tempStart); + } + }); + if (startIndex < Infinity && startIndex >= 0) { + cutSrc = src.substring(0, startIndex + 1); + } + } + if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) { + lastToken = tokens[tokens.length - 1]; + if (lastParagraphClipped && lastToken?.type === 'paragraph') { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue.pop(); + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + lastParagraphClipped = (cutSrc.length !== src.length); + src = src.substring(token.raw.length); + continue; + } + // text + if (token = this.tokenizer.text(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && lastToken.type === 'text') { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue.pop(); + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + continue; + } + if (src) { + const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); + if (this.options.silent) { + console.error(errMsg); + break; + } + else { + throw new Error(errMsg); + } + } + } + this.state.top = true; + return tokens; + } + inline(src, tokens = []) { + this.inlineQueue.push({ src, tokens }); + return tokens; + } + /** + * Lexing/Compiling + */ + inlineTokens(src, tokens = []) { + let token, lastToken, cutSrc; + // String with links masked to avoid interference with em and strong + let maskedSrc = src; + let match; + let keepPrevChar, prevChar; + // Mask out reflinks + if (this.tokens.links) { + const links = Object.keys(this.tokens.links); + if (links.length > 0) { + while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) { + if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) { + maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex); + } + } + } + } + // Mask out other blocks + while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) { + maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex); + } + // Mask out escaped characters + while ((match = this.tokenizer.rules.inline.anyPunctuation.exec(maskedSrc)) != null) { + maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex); + } + while (src) { + if (!keepPrevChar) { + prevChar = ''; + } + keepPrevChar = false; + // extensions + if (this.options.extensions + && this.options.extensions.inline + && this.options.extensions.inline.some((extTokenizer) => { + if (token = extTokenizer.call({ lexer: this }, src, tokens)) { + src = src.substring(token.raw.length); + tokens.push(token); + return true; + } + return false; + })) { + continue; + } + // escape + if (token = this.tokenizer.escape(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // tag + if (token = this.tokenizer.tag(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && token.type === 'text' && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + // link + if (token = this.tokenizer.link(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // reflink, nolink + if (token = this.tokenizer.reflink(src, this.tokens.links)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && token.type === 'text' && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + // em & strong + if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // code + if (token = this.tokenizer.codespan(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // br + if (token = this.tokenizer.br(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // del (gfm) + if (token = this.tokenizer.del(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // autolink + if (token = this.tokenizer.autolink(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // url (gfm) + if (!this.state.inLink && (token = this.tokenizer.url(src))) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // text + // prevent inlineText consuming extensions by clipping 'src' to extension start + cutSrc = src; + if (this.options.extensions && this.options.extensions.startInline) { + let startIndex = Infinity; + const tempSrc = src.slice(1); + let tempStart; + this.options.extensions.startInline.forEach((getStartIndex) => { + tempStart = getStartIndex.call({ lexer: this }, tempSrc); + if (typeof tempStart === 'number' && tempStart >= 0) { + startIndex = Math.min(startIndex, tempStart); + } + }); + if (startIndex < Infinity && startIndex >= 0) { + cutSrc = src.substring(0, startIndex + 1); + } + } + if (token = this.tokenizer.inlineText(cutSrc)) { + src = src.substring(token.raw.length); + if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started + prevChar = token.raw.slice(-1); + } + keepPrevChar = true; + lastToken = tokens[tokens.length - 1]; + if (lastToken && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + if (src) { + const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); + if (this.options.silent) { + console.error(errMsg); + break; + } + else { + throw new Error(errMsg); + } + } + } + return tokens; + } + } + + /** + * Renderer + */ + class _Renderer { + options; + parser; // set by the parser + constructor(options) { + this.options = options || exports.defaults; + } + space(token) { + return ''; + } + code({ text, lang, escaped }) { + const langString = (lang || '').match(/^\S*/)?.[0]; + const code = text.replace(/\n$/, '') + '\n'; + if (!langString) { + return '
'
+                    + (escaped ? code : escape$1(code, true))
+                    + '
\n'; + } + return '
'
+                + (escaped ? code : escape$1(code, true))
+                + '
\n'; + } + blockquote({ tokens }) { + const body = this.parser.parse(tokens); + return `
\n${body}
\n`; + } + html({ text }) { + return text; + } + heading({ tokens, depth }) { + return `${this.parser.parseInline(tokens)}\n`; + } + hr(token) { + return '
\n'; + } + list(token) { + const ordered = token.ordered; + const start = token.start; + let body = ''; + for (let j = 0; j < token.items.length; j++) { + const item = token.items[j]; + body += this.listitem(item); + } + const type = ordered ? 'ol' : 'ul'; + const startAttr = (ordered && start !== 1) ? (' start="' + start + '"') : ''; + return '<' + type + startAttr + '>\n' + body + '\n'; + } + listitem(item) { + let itemBody = ''; + if (item.task) { + const checkbox = this.checkbox({ checked: !!item.checked }); + if (item.loose) { + if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') { + 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', + raw: checkbox + ' ', + text: checkbox + ' ', + }); + } + } + else { + itemBody += checkbox + ' '; + } + } + itemBody += this.parser.parse(item.tokens, !!item.loose); + return `
  • ${itemBody}
  • \n`; + } + checkbox({ checked }) { + return ''; + } + paragraph({ tokens }) { + return `

    ${this.parser.parseInline(tokens)}

    \n`; + } + table(token) { + let header = ''; + // header + let cell = ''; + for (let j = 0; j < token.header.length; j++) { + cell += this.tablecell(token.header[j]); + } + header += this.tablerow({ text: cell }); + let body = ''; + for (let j = 0; j < token.rows.length; j++) { + const row = token.rows[j]; + cell = ''; + for (let k = 0; k < row.length; k++) { + cell += this.tablecell(row[k]); + } + body += this.tablerow({ text: cell }); + } + if (body) + body = `${body}`; + return '\n' + + '\n' + + header + + '\n' + + body + + '
    \n'; + } + tablerow({ text }) { + return `\n${text}\n`; + } + tablecell(token) { + const content = this.parser.parseInline(token.tokens); + const type = token.header ? 'th' : 'td'; + const tag = token.align + ? `<${type} align="${token.align}">` + : `<${type}>`; + return tag + content + `\n`; + } + /** + * span level renderer + */ + strong({ tokens }) { + return `${this.parser.parseInline(tokens)}`; + } + em({ tokens }) { + return `${this.parser.parseInline(tokens)}`; + } + codespan({ text }) { + return `${text}`; + } + br(token) { + return '
    '; + } + del({ tokens }) { + return `${this.parser.parseInline(tokens)}`; + } + link({ href, title, tokens }) { + const text = this.parser.parseInline(tokens); + const cleanHref = cleanUrl(href); + if (cleanHref === null) { + return text; + } + href = cleanHref; + let out = '
    '; + return out; + } + image({ href, title, text }) { + const cleanHref = cleanUrl(href); + if (cleanHref === null) { + return text; + } + href = cleanHref; + let out = `${text} { + const tokens = genericToken[childTokens].flat(Infinity); + values = values.concat(this.walkTokens(tokens, callback)); + }); + } + else if (genericToken.tokens) { + values = values.concat(this.walkTokens(genericToken.tokens, callback)); + } + } + } + } + return values; + } + use(...args) { + const extensions = this.defaults.extensions || { renderers: {}, childTokens: {} }; + args.forEach((pack) => { + // copy options to new object + const opts = { ...pack }; + // set async to true if it was set to true before + opts.async = this.defaults.async || opts.async || false; + // ==-- Parse "addon" extensions --== // + if (pack.extensions) { + pack.extensions.forEach((ext) => { + if (!ext.name) { + throw new Error('extension name required'); + } + if ('renderer' in ext) { // Renderer extensions + const prevRenderer = extensions.renderers[ext.name]; + if (prevRenderer) { + // Replace extension with func to run new extension but fall back if false + extensions.renderers[ext.name] = function (...args) { + let ret = ext.renderer.apply(this, args); + if (ret === false) { + ret = prevRenderer.apply(this, args); + } + return ret; + }; + } + else { + extensions.renderers[ext.name] = ext.renderer; + } + } + if ('tokenizer' in ext) { // Tokenizer Extensions + if (!ext.level || (ext.level !== 'block' && ext.level !== 'inline')) { + throw new Error("extension level must be 'block' or 'inline'"); + } + const extLevel = extensions[ext.level]; + if (extLevel) { + extLevel.unshift(ext.tokenizer); + } + else { + extensions[ext.level] = [ext.tokenizer]; + } + if (ext.start) { // Function to check for start of token + if (ext.level === 'block') { + if (extensions.startBlock) { + extensions.startBlock.push(ext.start); + } + else { + extensions.startBlock = [ext.start]; + } + } + else if (ext.level === 'inline') { + if (extensions.startInline) { + extensions.startInline.push(ext.start); + } + else { + extensions.startInline = [ext.start]; + } + } + } + } + if ('childTokens' in ext && ext.childTokens) { // Child tokens to be visited by walkTokens + extensions.childTokens[ext.name] = ext.childTokens; + } + }); + opts.extensions = extensions; + } + // ==-- Parse "overwrite" extensions --== // + if (pack.renderer) { + const renderer = this.defaults.renderer || new _Renderer(this.defaults); + for (const prop in pack.renderer) { + if (!(prop in renderer)) { + throw new Error(`renderer '${prop}' does not exist`); + } + if (['options', 'parser'].includes(prop)) { + // ignore options property + continue; + } + const rendererProp = prop; + const rendererFunc = pack.renderer[rendererProp]; + const prevRenderer = renderer[rendererProp]; + // Replace renderer with func to run extension, but fall back if false + renderer[rendererProp] = (...args) => { + let ret = rendererFunc.apply(renderer, args); + if (ret === false) { + ret = prevRenderer.apply(renderer, args); + } + return ret || ''; + }; + } + opts.renderer = renderer; + } + if (pack.tokenizer) { + const tokenizer = this.defaults.tokenizer || new _Tokenizer(this.defaults); + for (const prop in pack.tokenizer) { + if (!(prop in tokenizer)) { + throw new Error(`tokenizer '${prop}' does not exist`); + } + if (['options', 'rules', 'lexer'].includes(prop)) { + // ignore options, rules, and lexer properties + continue; + } + const tokenizerProp = prop; + const tokenizerFunc = pack.tokenizer[tokenizerProp]; + const prevTokenizer = tokenizer[tokenizerProp]; + // Replace tokenizer with func to run extension, but fall back if false + // @ts-expect-error cannot type tokenizer function dynamically + tokenizer[tokenizerProp] = (...args) => { + let ret = tokenizerFunc.apply(tokenizer, args); + if (ret === false) { + ret = prevTokenizer.apply(tokenizer, args); + } + return ret; + }; + } + opts.tokenizer = tokenizer; + } + // ==-- Parse Hooks extensions --== // + if (pack.hooks) { + const hooks = this.defaults.hooks || new _Hooks(); + for (const prop in pack.hooks) { + if (!(prop in hooks)) { + throw new Error(`hook '${prop}' does not exist`); + } + if (prop === 'options') { + // ignore options property + continue; + } + const hooksProp = prop; + const hooksFunc = pack.hooks[hooksProp]; + const prevHook = hooks[hooksProp]; + if (_Hooks.passThroughHooks.has(prop)) { + // @ts-expect-error cannot type hook function dynamically + hooks[hooksProp] = (arg) => { + if (this.defaults.async) { + return Promise.resolve(hooksFunc.call(hooks, arg)).then(ret => { + return prevHook.call(hooks, ret); + }); + } + const ret = hooksFunc.call(hooks, arg); + return prevHook.call(hooks, ret); + }; + } + else { + // @ts-expect-error cannot type hook function dynamically + hooks[hooksProp] = (...args) => { + let ret = hooksFunc.apply(hooks, args); + if (ret === false) { + ret = prevHook.apply(hooks, args); + } + return ret; + }; + } + } + opts.hooks = hooks; + } + // ==-- Parse WalkTokens extensions --== // + if (pack.walkTokens) { + const walkTokens = this.defaults.walkTokens; + const packWalktokens = pack.walkTokens; + opts.walkTokens = function (token) { + let values = []; + values.push(packWalktokens.call(this, token)); + if (walkTokens) { + values = values.concat(walkTokens.call(this, token)); + } + return values; + }; + } + this.defaults = { ...this.defaults, ...opts }; + }); + return this; + } + setOptions(opt) { + this.defaults = { ...this.defaults, ...opt }; + return this; + } + lexer(src, options) { + return _Lexer.lex(src, options ?? this.defaults); + } + parser(tokens, options) { + return _Parser.parse(tokens, options ?? this.defaults); + } + parseMarkdown(lexer, parser) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const parse = (src, options) => { + const origOpt = { ...options }; + const opt = { ...this.defaults, ...origOpt }; + const throwError = this.onError(!!opt.silent, !!opt.async); + // throw error if an extension set async to true but parse was called with async: false + if (this.defaults.async === true && origOpt.async === false) { + return throwError(new Error('marked(): The async option was set to true by an extension. Remove async: false from the parse options object to return a Promise.')); + } + // throw error in case of non string input + if (typeof src === 'undefined' || src === null) { + return throwError(new Error('marked(): input parameter is undefined or null')); + } + if (typeof src !== 'string') { + return throwError(new Error('marked(): input parameter is of type ' + + Object.prototype.toString.call(src) + ', string expected')); + } + if (opt.hooks) { + opt.hooks.options = opt; + } + if (opt.async) { + return Promise.resolve(opt.hooks ? opt.hooks.preprocess(src) : src) + .then(src => lexer(src, opt)) + .then(tokens => opt.hooks ? opt.hooks.processAllTokens(tokens) : tokens) + .then(tokens => opt.walkTokens ? Promise.all(this.walkTokens(tokens, opt.walkTokens)).then(() => tokens) : tokens) + .then(tokens => parser(tokens, opt)) + .then(html => opt.hooks ? opt.hooks.postprocess(html) : html) + .catch(throwError); + } + try { + if (opt.hooks) { + src = opt.hooks.preprocess(src); + } + let tokens = lexer(src, opt); + if (opt.hooks) { + tokens = opt.hooks.processAllTokens(tokens); + } + if (opt.walkTokens) { + this.walkTokens(tokens, opt.walkTokens); + } + let html = parser(tokens, opt); + if (opt.hooks) { + html = opt.hooks.postprocess(html); + } + return html; + } + catch (e) { + return throwError(e); + } + }; + return parse; + } + onError(silent, async) { + return (e) => { + e.message += '\nPlease report this to https://github.com/markedjs/marked.'; + if (silent) { + const msg = '

    An error occurred:

    '
    +                        + escape$1(e.message + '', true)
    +                        + '
    '; + if (async) { + return Promise.resolve(msg); + } + return msg; + } + if (async) { + return Promise.reject(e); + } + throw e; + }; + } + } + + const markedInstance = new Marked(); + function marked(src, opt) { + return markedInstance.parse(src, opt); + } + /** + * Sets the default options. + * + * @param options Hash of options + */ + marked.options = + marked.setOptions = function (options) { + markedInstance.setOptions(options); + marked.defaults = markedInstance.defaults; + changeDefaults(marked.defaults); + return marked; + }; + /** + * Gets the original marked default options. + */ + marked.getDefaults = _getDefaults; + marked.defaults = exports.defaults; + /** + * Use Extension + */ + marked.use = function (...args) { + markedInstance.use(...args); + marked.defaults = markedInstance.defaults; + changeDefaults(marked.defaults); + return marked; + }; + /** + * Run callback for every token + */ + marked.walkTokens = function (tokens, callback) { + return markedInstance.walkTokens(tokens, callback); + }; + /** + * Compiles markdown to HTML without enclosing `p` tag. + * + * @param src String of markdown source to be compiled + * @param options Hash of options + * @return String of compiled HTML + */ + marked.parseInline = markedInstance.parseInline; + /** + * Expose + */ + marked.Parser = _Parser; + marked.parser = _Parser.parse; + marked.Renderer = _Renderer; + marked.TextRenderer = _TextRenderer; + marked.Lexer = _Lexer; + marked.lexer = _Lexer.lex; + marked.Tokenizer = _Tokenizer; + marked.Hooks = _Hooks; + marked.parse = marked; + const options = marked.options; + const setOptions = marked.setOptions; + const use = marked.use; + const walkTokens = marked.walkTokens; + const parseInline = marked.parseInline; + const parse = marked; + const parser = _Parser.parse; + const lexer = _Lexer.lex; + + exports.Hooks = _Hooks; + exports.Lexer = _Lexer; + exports.Marked = Marked; + exports.Parser = _Parser; + exports.Renderer = _Renderer; + exports.TextRenderer = _TextRenderer; + exports.Tokenizer = _Tokenizer; + exports.getDefaults = _getDefaults; + exports.lexer = lexer; + exports.marked = marked; + exports.options = options; + exports.parse = parse; + exports.parseInline = parseInline; + exports.parser = parser; + exports.setOptions = setOptions; + exports.use = use; + exports.walkTokens = walkTokens; + +})); +//# sourceMappingURL=marked.umd.js.map diff --git a/public/scripts/purify-min.js b/public/scripts/purify-min.js new file mode 100644 index 00000000..a30c02bf --- /dev/null +++ b/public/scripts/purify-min.js @@ -0,0 +1,3 @@ +/*! @license DOMPurify 3.1.6 | (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/3.1.6/LICENSE */ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof 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| (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/3.1.6/LICENSE */ + +(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.DOMPurify = factory()); + })(this, (function () { 'use strict'; + + const { + entries, + setPrototypeOf, + isFrozen, + getPrototypeOf, + getOwnPropertyDescriptor + } = Object; + let { + freeze, + seal, + create + } = Object; // eslint-disable-line import/no-mutable-exports + let { + apply, + construct + } = typeof Reflect !== 'undefined' && Reflect; + if (!freeze) { + freeze = function freeze(x) { + return x; + }; + } + if (!seal) { + seal = function seal(x) { + return x; + }; + } + if (!apply) { + apply = function apply(fun, thisValue, args) { + return fun.apply(thisValue, args); + }; + } + if (!construct) { + construct = function construct(Func, args) { + return new Func(...args); + }; + } + const arrayForEach = unapply(Array.prototype.forEach); + const arrayPop = unapply(Array.prototype.pop); + const arrayPush = unapply(Array.prototype.push); + const stringToLowerCase = unapply(String.prototype.toLowerCase); + const stringToString = unapply(String.prototype.toString); + const stringMatch = unapply(String.prototype.match); + const stringReplace = unapply(String.prototype.replace); + const stringIndexOf = unapply(String.prototype.indexOf); + const stringTrim = unapply(String.prototype.trim); + const objectHasOwnProperty = unapply(Object.prototype.hasOwnProperty); + const regExpTest = unapply(RegExp.prototype.test); + const typeErrorCreate = unconstruct(TypeError); + + /** + * Creates a new function that calls the given function with a specified thisArg and arguments. + * + * @param {Function} func - The function to be wrapped and called. + * @returns {Function} A new function that calls the given function with a specified thisArg and arguments. + */ + function unapply(func) { + return function (thisArg) { + for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } + return apply(func, thisArg, args); + }; + } + + /** + * Creates a new function that constructs an instance of the given constructor function with the provided arguments. + * + * @param {Function} func - The constructor function to be wrapped and called. + * @returns {Function} A new function that constructs an instance of the given constructor function with the provided arguments. + */ + function unconstruct(func) { + return function () { + for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } + return construct(func, args); + }; + } + + /** + * Add properties to a lookup table + * + * @param {Object} set - The set to which elements will be added. + * @param {Array} array - The array containing elements to be added to the set. + * @param {Function} transformCaseFunc - An optional function to transform the case of each element before adding to the set. + * @returns {Object} The modified set with added elements. + */ + function addToSet(set, array) { + let transformCaseFunc = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : stringToLowerCase; + if (setPrototypeOf) { + // Make 'in' and truthy checks like Boolean(set.constructor) + // independent of any properties defined on Object.prototype. + // Prevent prototype setters from intercepting set as a this value. + setPrototypeOf(set, null); + } + let l = array.length; + while (l--) { + let element = array[l]; + if (typeof element === 'string') { + const lcElement = transformCaseFunc(element); + if (lcElement !== element) { + // Config presets (e.g. tags.js, attrs.js) are immutable. + if (!isFrozen(array)) { + array[l] = lcElement; + } + element = lcElement; + } + } + set[element] = true; + } + return set; + } + + /** + * Clean up an array to harden against CSPP + * + * @param {Array} array - The array to be cleaned. + * @returns {Array} The cleaned version of the array + */ + function cleanArray(array) { + for (let index = 0; index < array.length; index++) { + const isPropertyExist = objectHasOwnProperty(array, index); + if (!isPropertyExist) { + array[index] = null; + } + } + return array; + } + + /** + * Shallow clone an object + * + * @param {Object} object - The object to be cloned. + * @returns {Object} A new object that copies the original. + */ + function clone(object) { + const newObject = create(null); + for (const [property, value] of entries(object)) { + const isPropertyExist = objectHasOwnProperty(object, property); + if (isPropertyExist) { + if (Array.isArray(value)) { + newObject[property] = cleanArray(value); + } else if (value && typeof value === 'object' && value.constructor === Object) { + newObject[property] = clone(value); + } else { + newObject[property] = value; + } + } + } + return newObject; + } + + /** + * This method automatically checks if the prop is function or getter and behaves accordingly. + * + * @param {Object} object - The object to look up the getter function in its prototype chain. + * @param {String} prop - The property name for which to find the getter function. + * @returns {Function} The getter function found in the prototype chain or a fallback function. + */ + function lookupGetter(object, prop) { + while (object !== null) { + const desc = getOwnPropertyDescriptor(object, prop); + if (desc) { + if (desc.get) { + return unapply(desc.get); + } + if (typeof desc.value === 'function') { + return unapply(desc.value); + } + } + object = getPrototypeOf(object); + } + function fallbackValue() { + return null; + } + return fallbackValue; + } + + const html$1 = freeze(['a', 'abbr', 'acronym', 'address', 'area', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 'big', 'blink', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'content', 'data', 'datalist', 'dd', 'decorator', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'img', 'input', 'ins', 'kbd', 'label', 'legend', 'li', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meter', 'nav', 'nobr', 'ol', 'optgroup', 'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr']); + + // SVG + const svg$1 = freeze(['svg', 'a', 'altglyph', 'altglyphdef', 'altglyphitem', 'animatecolor', 'animatemotion', 'animatetransform', 'circle', 'clippath', 'defs', 'desc', 'ellipse', 'filter', 'font', 'g', 'glyph', 'glyphref', 'hkern', 'image', 'line', 'lineargradient', 'marker', 'mask', 'metadata', 'mpath', 'path', 'pattern', 'polygon', 'polyline', 'radialgradient', 'rect', 'stop', 'style', 'switch', 'symbol', 'text', 'textpath', 'title', 'tref', 'tspan', 'view', 'vkern']); + const svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feDropShadow', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence']); + + // List of SVG elements that are disallowed by default. + // We still need to know them so that we can do namespace + // checks properly in case one wants to add them to + // allow-list. + const svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', 'font-face', 'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri', 'foreignobject', 'hatch', 'hatchpath', 'mesh', 'meshgradient', 'meshpatch', 'meshrow', 'missing-glyph', 'script', 'set', 'solidcolor', 'unknown', 'use']); + const mathMl$1 = freeze(['math', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot', 'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover', 'mprescripts']); + + // Similarly to SVG, we want to know all MathML elements, + // even those that we disallow by default. + const mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']); + const text = freeze(['#text']); + + const html = freeze(['accept', 'action', 'align', 'alt', 'autocapitalize', 'autocomplete', 'autopictureinpicture', 'autoplay', 'background', 'bgcolor', 'border', 'capture', 'cellpadding', 'cellspacing', 'checked', 'cite', 'class', 'clear', 'color', 'cols', 'colspan', 'controls', 'controlslist', 'coords', 'crossorigin', 'datetime', 'decoding', 'default', 'dir', 'disabled', 'disablepictureinpicture', 'disableremoteplayback', 'download', 'draggable', 'enctype', 'enterkeyhint', 'face', 'for', 'headers', 'height', 'hidden', 'high', 'href', 'hreflang', 'id', 'inputmode', 'integrity', 'ismap', 'kind', 'label', 'lang', 'list', 'loading', 'loop', 'low', 'max', 'maxlength', 'media', 'method', 'min', 'minlength', 'multiple', 'muted', 'name', 'nonce', 'noshade', 'novalidate', 'nowrap', 'open', 'optimum', 'pattern', 'placeholder', 'playsinline', 'popover', 'popovertarget', 'popovertargetaction', 'poster', 'preload', 'pubdate', 'radiogroup', 'readonly', 'rel', 'required', 'rev', 'reversed', 'role', 'rows', 'rowspan', 'spellcheck', 'scope', 'selected', 'shape', 'size', 'sizes', 'span', 'srclang', 'start', 'src', 'srcset', 'step', 'style', 'summary', 'tabindex', 'title', 'translate', 'type', 'usemap', 'valign', 'value', 'width', 'wrap', 'xmlns', 'slot']); + const svg = freeze(['accent-height', 'accumulate', 'additive', 'alignment-baseline', 'ascent', 'attributename', 'attributetype', 'azimuth', 'basefrequency', 'baseline-shift', 'begin', 'bias', 'by', 'class', 'clip', 'clippathunits', 'clip-path', 'clip-rule', 'color', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'cx', 'cy', 'd', 'dx', 'dy', 'diffuseconstant', 'direction', 'display', 'divisor', 'dur', 'edgemode', 'elevation', 'end', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'filterunits', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'fx', 'fy', 'g1', 'g2', 'glyph-name', 'glyphref', 'gradientunits', 'gradienttransform', 'height', 'href', 'id', 'image-rendering', 'in', 'in2', 'k', 'k1', 'k2', 'k3', 'k4', 'kerning', 'keypoints', 'keysplines', 'keytimes', 'lang', 'lengthadjust', 'letter-spacing', 'kernelmatrix', 'kernelunitlength', 'lighting-color', 'local', 'marker-end', 'marker-mid', 'marker-start', 'markerheight', 'markerunits', 'markerwidth', 'maskcontentunits', 'maskunits', 'max', 'mask', 'media', 'method', 'mode', 'min', 'name', 'numoctaves', 'offset', 'operator', 'opacity', 'order', 'orient', 'orientation', 'origin', 'overflow', 'paint-order', 'path', 'pathlength', 'patterncontentunits', 'patterntransform', 'patternunits', 'points', 'preservealpha', 'preserveaspectratio', 'primitiveunits', 'r', 'rx', 'ry', 'radius', 'refx', 'refy', 'repeatcount', 'repeatdur', 'restart', 'result', 'rotate', 'scale', 'seed', 'shape-rendering', 'specularconstant', 'specularexponent', 'spreadmethod', 'startoffset', 'stddeviation', 'stitchtiles', 'stop-color', 'stop-opacity', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke', 'stroke-width', 'style', 'surfacescale', 'systemlanguage', 'tabindex', 'targetx', 'targety', 'transform', 'transform-origin', 'text-anchor', 'text-decoration', 'text-rendering', 'textlength', 'type', 'u1', 'u2', 'unicode', 'values', 'viewbox', 'visibility', 'version', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'width', 'word-spacing', 'wrap', 'writing-mode', 'xchannelselector', 'ychannelselector', 'x', 'x1', 'x2', 'xmlns', 'y', 'y1', 'y2', 'z', 'zoomandpan']); + const mathMl = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']); + const xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']); + + // eslint-disable-next-line unicorn/better-regex + const MUSTACHE_EXPR = seal(/\{\{[\w\W]*|[\w\W]*\}\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode + const ERB_EXPR = seal(/<%[\w\W]*|[\w\W]*%>/gm); + const TMPLIT_EXPR = seal(/\${[\w\W]*}/gm); + const DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/); // eslint-disable-line no-useless-escape + const ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape + const IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i // eslint-disable-line no-useless-escape + ); + const IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i); + const ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g // eslint-disable-line no-control-regex + ); + const DOCTYPE_NAME = seal(/^html$/i); + const CUSTOM_ELEMENT = seal(/^[a-z][.\w]*(-[.\w]+)+$/i); + + var EXPRESSIONS = /*#__PURE__*/Object.freeze({ + __proto__: null, + MUSTACHE_EXPR: MUSTACHE_EXPR, + ERB_EXPR: ERB_EXPR, + TMPLIT_EXPR: TMPLIT_EXPR, + DATA_ATTR: DATA_ATTR, + ARIA_ATTR: ARIA_ATTR, + IS_ALLOWED_URI: IS_ALLOWED_URI, + IS_SCRIPT_OR_DATA: IS_SCRIPT_OR_DATA, + ATTR_WHITESPACE: ATTR_WHITESPACE, + DOCTYPE_NAME: DOCTYPE_NAME, + CUSTOM_ELEMENT: CUSTOM_ELEMENT + }); + + // https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType + const NODE_TYPE = { + element: 1, + attribute: 2, + text: 3, + cdataSection: 4, + entityReference: 5, + // Deprecated + entityNode: 6, + // Deprecated + progressingInstruction: 7, + comment: 8, + document: 9, + documentType: 10, + documentFragment: 11, + notation: 12 // Deprecated + }; + const getGlobal = function getGlobal() { + return typeof window === 'undefined' ? null : window; + }; + + /** + * Creates a no-op policy for internal use only. + * Don't export this function outside this module! + * @param {TrustedTypePolicyFactory} trustedTypes The policy factory. + * @param {HTMLScriptElement} purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix). + * @return {TrustedTypePolicy} The policy created (or null, if Trusted Types + * are not supported or creating the policy failed). + */ + const _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, purifyHostElement) { + if (typeof trustedTypes !== 'object' || typeof trustedTypes.createPolicy !== 'function') { + return null; + } + + // Allow the callers to control the unique policy name + // by adding a data-tt-policy-suffix to the script element with the DOMPurify. + // Policy creation with duplicate names throws in Trusted Types. + let suffix = null; + const ATTR_NAME = 'data-tt-policy-suffix'; + if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) { + suffix = purifyHostElement.getAttribute(ATTR_NAME); + } + const policyName = 'dompurify' + (suffix ? '#' + suffix : ''); + try { + return trustedTypes.createPolicy(policyName, { + createHTML(html) { + return html; + }, + createScriptURL(scriptUrl) { + return scriptUrl; + } + }); + } catch (_) { + // Policy creation failed (most likely another DOMPurify script has + // already run). Skip creating the policy, as this will only cause errors + // if TT are enforced. + console.warn('TrustedTypes policy ' + policyName + ' could not be created.'); + return null; + } + }; + function createDOMPurify() { + let window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal(); + const DOMPurify = root => createDOMPurify(root); + + /** + * Version label, exposed for easier checks + * if DOMPurify is up to date or not + */ + DOMPurify.version = '3.1.6'; + + /** + * Array of elements that DOMPurify removed during sanitation. + * Empty if nothing was removed. + */ + DOMPurify.removed = []; + if (!window || !window.document || window.document.nodeType !== NODE_TYPE.document) { + // Not running in a browser, provide a factory function + // so that you can pass your own Window + DOMPurify.isSupported = false; + return DOMPurify; + } + let { + document + } = window; + const originalDocument = document; + const currentScript = originalDocument.currentScript; + const { + DocumentFragment, + HTMLTemplateElement, + Node, + Element, + NodeFilter, + NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap, + HTMLFormElement, + DOMParser, + trustedTypes + } = window; + const ElementPrototype = Element.prototype; + const cloneNode = lookupGetter(ElementPrototype, 'cloneNode'); + const remove = lookupGetter(ElementPrototype, 'remove'); + const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling'); + const getChildNodes = lookupGetter(ElementPrototype, 'childNodes'); + const getParentNode = lookupGetter(ElementPrototype, 'parentNode'); + + // As per issue #47, the web-components registry is inherited by a + // new document created via createHTMLDocument. As per the spec + // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries) + // a new empty registry is used when creating a template contents owner + // document, so we use that as our parent document to ensure nothing + // is inherited. + if (typeof HTMLTemplateElement === 'function') { + const template = document.createElement('template'); + if (template.content && template.content.ownerDocument) { + document = template.content.ownerDocument; + } + } + let trustedTypesPolicy; + let emptyHTML = ''; + const { + implementation, + createNodeIterator, + createDocumentFragment, + getElementsByTagName + } = document; + const { + importNode + } = originalDocument; + let hooks = {}; + + /** + * Expose whether this browser supports running the full DOMPurify. + */ + DOMPurify.isSupported = typeof entries === 'function' && typeof getParentNode === 'function' && implementation && implementation.createHTMLDocument !== undefined; + const { + MUSTACHE_EXPR, + ERB_EXPR, + TMPLIT_EXPR, + DATA_ATTR, + ARIA_ATTR, + IS_SCRIPT_OR_DATA, + ATTR_WHITESPACE, + CUSTOM_ELEMENT + } = EXPRESSIONS; + let { + IS_ALLOWED_URI: IS_ALLOWED_URI$1 + } = EXPRESSIONS; + + /** + * We consider the elements and attributes below to be safe. Ideally + * don't add any new ones but feel free to remove unwanted ones. + */ + + /* allowed element names */ + let ALLOWED_TAGS = null; + const DEFAULT_ALLOWED_TAGS = addToSet({}, [...html$1, ...svg$1, ...svgFilters, ...mathMl$1, ...text]); + + /* Allowed attribute names */ + let ALLOWED_ATTR = null; + const DEFAULT_ALLOWED_ATTR = addToSet({}, [...html, ...svg, ...mathMl, ...xml]); + + /* + * Configure how DOMPUrify should handle custom elements and their attributes as well as customized built-in elements. + * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements) + * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list) + * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`. + */ + let CUSTOM_ELEMENT_HANDLING = Object.seal(create(null, { + tagNameCheck: { + writable: true, + configurable: false, + enumerable: true, + value: null + }, + attributeNameCheck: { + writable: true, + configurable: false, + enumerable: true, + value: null + }, + allowCustomizedBuiltInElements: { + writable: true, + configurable: false, + enumerable: true, + value: false + } + })); + + /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */ + let FORBID_TAGS = null; + + /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */ + let FORBID_ATTR = null; + + /* Decide if ARIA attributes are okay */ + let ALLOW_ARIA_ATTR = true; + + /* Decide if custom data attributes are okay */ + let ALLOW_DATA_ATTR = true; + + /* Decide if unknown protocols are okay */ + let ALLOW_UNKNOWN_PROTOCOLS = false; + + /* Decide if self-closing tags in attributes are allowed. + * Usually removed due to a mXSS issue in jQuery 3.0 */ + let ALLOW_SELF_CLOSE_IN_ATTR = true; + + /* Output should be safe for common template engines. + * This means, DOMPurify removes data attributes, mustaches and ERB + */ + let SAFE_FOR_TEMPLATES = false; + + /* Output should be safe even for XML used within HTML and alike. + * This means, DOMPurify removes comments when containing risky content. + */ + let SAFE_FOR_XML = true; + + /* Decide if document with ... should be returned */ + let WHOLE_DOCUMENT = false; + + /* Track whether config is already set on this instance of DOMPurify. */ + let SET_CONFIG = false; + + /* Decide if all elements (e.g. style, script) must be children of + * document.body. By default, browsers might move them to document.head */ + let FORCE_BODY = false; + + /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html + * string (or a TrustedHTML object if Trusted Types are supported). + * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead + */ + let RETURN_DOM = false; + + /* Decide if a DOM `DocumentFragment` should be returned, instead of a html + * string (or a TrustedHTML object if Trusted Types are supported) */ + let RETURN_DOM_FRAGMENT = false; + + /* Try to return a Trusted Type object instead of a string, return a string in + * case Trusted Types are not supported */ + let RETURN_TRUSTED_TYPE = false; + + /* Output should be free from DOM clobbering attacks? + * This sanitizes markups named with colliding, clobberable built-in DOM APIs. + */ + let SANITIZE_DOM = true; + + /* Achieve full DOM Clobbering protection by isolating the namespace of named + * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules. + * + * HTML/DOM spec rules that enable DOM Clobbering: + * - Named Access on Window (§7.3.3) + * - DOM Tree Accessors (§3.1.5) + * - Form Element Parent-Child Relations (§4.10.3) + * - Iframe srcdoc / Nested WindowProxies (§4.8.5) + * - HTMLCollection (§4.2.10.2) + * + * Namespace isolation is implemented by prefixing `id` and `name` attributes + * with a constant string, i.e., `user-content-` + */ + let SANITIZE_NAMED_PROPS = false; + const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-'; + + /* Keep element content when removing element? */ + let KEEP_CONTENT = true; + + /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead + * of importing it into a new Document and returning a sanitized copy */ + let IN_PLACE = false; + + /* Allow usage of profiles like html, svg and mathMl */ + let USE_PROFILES = {}; + + /* Tags to ignore content of when KEEP_CONTENT is true */ + let FORBID_CONTENTS = null; + const DEFAULT_FORBID_CONTENTS = addToSet({}, ['annotation-xml', 'audio', 'colgroup', 'desc', 'foreignobject', 'head', 'iframe', 'math', 'mi', 'mn', 'mo', 'ms', 'mtext', 'noembed', 'noframes', 'noscript', 'plaintext', 'script', 'style', 'svg', 'template', 'thead', 'title', 'video', 'xmp']); + + /* Tags that are safe for data: URIs */ + let DATA_URI_TAGS = null; + const DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']); + + /* Attributes safe for values like "javascript:" */ + let URI_SAFE_ATTRIBUTES = null; + const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']); + const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML'; + const SVG_NAMESPACE = 'http://www.w3.org/2000/svg'; + const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml'; + /* Document namespace */ + let NAMESPACE = HTML_NAMESPACE; + let IS_EMPTY_INPUT = false; + + /* Allowed XHTML+XML namespaces */ + let ALLOWED_NAMESPACES = null; + const DEFAULT_ALLOWED_NAMESPACES = addToSet({}, [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE], stringToString); + + /* Parsing of strict XHTML documents */ + let PARSER_MEDIA_TYPE = null; + const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html']; + const DEFAULT_PARSER_MEDIA_TYPE = 'text/html'; + let transformCaseFunc = null; + + /* Keep a reference to config to pass to hooks */ + let CONFIG = null; + + /* Ideally, do not touch anything below this line */ + /* ______________________________________________ */ + + const formElement = document.createElement('form'); + const isRegexOrFunction = function isRegexOrFunction(testValue) { + return testValue instanceof RegExp || testValue instanceof Function; + }; + + /** + * _parseConfig + * + * @param {Object} cfg optional config literal + */ + // eslint-disable-next-line complexity + const _parseConfig = function _parseConfig() { + let cfg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + if (CONFIG && CONFIG === cfg) { + return; + } + + /* Shield configuration object from tampering */ + if (!cfg || typeof cfg !== 'object') { + cfg = {}; + } + + /* Shield configuration object from prototype pollution */ + cfg = clone(cfg); + PARSER_MEDIA_TYPE = + // eslint-disable-next-line unicorn/prefer-includes + SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1 ? DEFAULT_PARSER_MEDIA_TYPE : cfg.PARSER_MEDIA_TYPE; + + // HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is. + transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? stringToString : stringToLowerCase; + + /* Set configuration parameters */ + ALLOWED_TAGS = objectHasOwnProperty(cfg, 'ALLOWED_TAGS') ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc) : DEFAULT_ALLOWED_TAGS; + ALLOWED_ATTR = objectHasOwnProperty(cfg, 'ALLOWED_ATTR') ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc) : DEFAULT_ALLOWED_ATTR; + ALLOWED_NAMESPACES = objectHasOwnProperty(cfg, 'ALLOWED_NAMESPACES') ? addToSet({}, cfg.ALLOWED_NAMESPACES, stringToString) : DEFAULT_ALLOWED_NAMESPACES; + URI_SAFE_ATTRIBUTES = objectHasOwnProperty(cfg, 'ADD_URI_SAFE_ATTR') ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), + // eslint-disable-line indent + cfg.ADD_URI_SAFE_ATTR, + // eslint-disable-line indent + transformCaseFunc // eslint-disable-line indent + ) // eslint-disable-line indent + : DEFAULT_URI_SAFE_ATTRIBUTES; + DATA_URI_TAGS = objectHasOwnProperty(cfg, 'ADD_DATA_URI_TAGS') ? addToSet(clone(DEFAULT_DATA_URI_TAGS), + // eslint-disable-line indent + cfg.ADD_DATA_URI_TAGS, + // eslint-disable-line indent + transformCaseFunc // eslint-disable-line indent + ) // eslint-disable-line indent + : DEFAULT_DATA_URI_TAGS; + FORBID_CONTENTS = objectHasOwnProperty(cfg, 'FORBID_CONTENTS') ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc) : DEFAULT_FORBID_CONTENTS; + FORBID_TAGS = objectHasOwnProperty(cfg, 'FORBID_TAGS') ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc) : {}; + FORBID_ATTR = objectHasOwnProperty(cfg, 'FORBID_ATTR') ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc) : {}; + USE_PROFILES = objectHasOwnProperty(cfg, 'USE_PROFILES') ? cfg.USE_PROFILES : false; + ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true + ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true + ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false + ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true + SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false + SAFE_FOR_XML = cfg.SAFE_FOR_XML !== false; // Default true + WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false + RETURN_DOM = cfg.RETURN_DOM || false; // Default false + RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false + RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false + FORCE_BODY = cfg.FORCE_BODY || false; // Default false + SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true + SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false + KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true + IN_PLACE = cfg.IN_PLACE || false; // Default false + IS_ALLOWED_URI$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI; + NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE; + CUSTOM_ELEMENT_HANDLING = cfg.CUSTOM_ELEMENT_HANDLING || {}; + if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)) { + CUSTOM_ELEMENT_HANDLING.tagNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck; + } + if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)) { + CUSTOM_ELEMENT_HANDLING.attributeNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck; + } + if (cfg.CUSTOM_ELEMENT_HANDLING && typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements === 'boolean') { + CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements = cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements; + } + if (SAFE_FOR_TEMPLATES) { + ALLOW_DATA_ATTR = false; + } + if (RETURN_DOM_FRAGMENT) { + RETURN_DOM = true; + } + + /* Parse profile info */ + if (USE_PROFILES) { + ALLOWED_TAGS = addToSet({}, text); + ALLOWED_ATTR = []; + if (USE_PROFILES.html === true) { + addToSet(ALLOWED_TAGS, html$1); + addToSet(ALLOWED_ATTR, html); + } + if (USE_PROFILES.svg === true) { + addToSet(ALLOWED_TAGS, svg$1); + addToSet(ALLOWED_ATTR, svg); + addToSet(ALLOWED_ATTR, xml); + } + if (USE_PROFILES.svgFilters === true) { + addToSet(ALLOWED_TAGS, svgFilters); + addToSet(ALLOWED_ATTR, svg); + addToSet(ALLOWED_ATTR, xml); + } + if (USE_PROFILES.mathMl === true) { + addToSet(ALLOWED_TAGS, mathMl$1); + addToSet(ALLOWED_ATTR, mathMl); + addToSet(ALLOWED_ATTR, xml); + } + } + + /* Merge configuration parameters */ + if (cfg.ADD_TAGS) { + if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) { + ALLOWED_TAGS = clone(ALLOWED_TAGS); + } + addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc); + } + if (cfg.ADD_ATTR) { + if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) { + ALLOWED_ATTR = clone(ALLOWED_ATTR); + } + addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc); + } + if (cfg.ADD_URI_SAFE_ATTR) { + addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc); + } + if (cfg.FORBID_CONTENTS) { + if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) { + FORBID_CONTENTS = clone(FORBID_CONTENTS); + } + addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc); + } + + /* Add #text in case KEEP_CONTENT is set to true */ + if (KEEP_CONTENT) { + ALLOWED_TAGS['#text'] = true; + } + + /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */ + if (WHOLE_DOCUMENT) { + addToSet(ALLOWED_TAGS, ['html', 'head', 'body']); + } + + /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */ + if (ALLOWED_TAGS.table) { + addToSet(ALLOWED_TAGS, ['tbody']); + delete FORBID_TAGS.tbody; + } + if (cfg.TRUSTED_TYPES_POLICY) { + if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') { + throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createHTML" hook.'); + } + if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') { + throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createScriptURL" hook.'); + } + + // Overwrite existing TrustedTypes policy. + trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY; + + // Sign local variables required by `sanitize`. + emptyHTML = trustedTypesPolicy.createHTML(''); + } else { + // Uninitialized policy, attempt to initialize the internal dompurify policy. + if (trustedTypesPolicy === undefined) { + trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, currentScript); + } + + // If creating the internal policy succeeded sign internal variables. + if (trustedTypesPolicy !== null && typeof emptyHTML === 'string') { + emptyHTML = trustedTypesPolicy.createHTML(''); + } + } + + // Prevent further manipulation of configuration. + // Not available in IE8, Safari 5, etc. + if (freeze) { + freeze(cfg); + } + CONFIG = cfg; + }; + const MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']); + const HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'annotation-xml']); + + // Certain elements are allowed in both SVG and HTML + // namespace. We need to specify them explicitly + // so that they don't get erroneously deleted from + // HTML namespace. + const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, ['title', 'style', 'font', 'a', 'script']); + + /* Keep track of all possible SVG and MathML tags + * so that we can perform the namespace checks + * correctly. */ + const ALL_SVG_TAGS = addToSet({}, [...svg$1, ...svgFilters, ...svgDisallowed]); + const ALL_MATHML_TAGS = addToSet({}, [...mathMl$1, ...mathMlDisallowed]); + + /** + * @param {Element} element a DOM element whose namespace is being checked + * @returns {boolean} Return false if the element has a + * namespace that a spec-compliant parser would never + * return. Return true otherwise. + */ + const _checkValidNamespace = function _checkValidNamespace(element) { + let parent = getParentNode(element); + + // In JSDOM, if we're inside shadow DOM, then parentNode + // can be null. We just simulate parent in this case. + if (!parent || !parent.tagName) { + parent = { + namespaceURI: NAMESPACE, + tagName: 'template' + }; + } + const tagName = stringToLowerCase(element.tagName); + const parentTagName = stringToLowerCase(parent.tagName); + if (!ALLOWED_NAMESPACES[element.namespaceURI]) { + return false; + } + if (element.namespaceURI === SVG_NAMESPACE) { + // The only way to switch from HTML namespace to SVG + // is via . If it happens via any other tag, then + // it should be killed. + if (parent.namespaceURI === HTML_NAMESPACE) { + return tagName === 'svg'; + } + + // The only way to switch from MathML to SVG is via` + // svg if parent is either or MathML + // text integration points. + if (parent.namespaceURI === MATHML_NAMESPACE) { + return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]); + } + + // We only allow elements that are defined in SVG + // spec. All others are disallowed in SVG namespace. + return Boolean(ALL_SVG_TAGS[tagName]); + } + if (element.namespaceURI === MATHML_NAMESPACE) { + // The only way to switch from HTML namespace to MathML + // is via . If it happens via any other tag, then + // it should be killed. + if (parent.namespaceURI === HTML_NAMESPACE) { + return tagName === 'math'; + } + + // The only way to switch from SVG to MathML is via + // and HTML integration points + if (parent.namespaceURI === SVG_NAMESPACE) { + return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName]; + } + + // We only allow elements that are defined in MathML + // spec. All others are disallowed in MathML namespace. + return Boolean(ALL_MATHML_TAGS[tagName]); + } + if (element.namespaceURI === HTML_NAMESPACE) { + // The only way to switch from SVG to HTML is via + // HTML integration points, and from MathML to HTML + // is via MathML text integration points + if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) { + return false; + } + if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) { + return false; + } + + // We disallow tags that are specific for MathML + // or SVG and should never appear in HTML namespace + return !ALL_MATHML_TAGS[tagName] && (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName]); + } + + // For XHTML and XML documents that support custom namespaces + if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && ALLOWED_NAMESPACES[element.namespaceURI]) { + return true; + } + + // The code should never reach this place (this means + // that the element somehow got namespace that is not + // HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES). + // Return false just in case. + return false; + }; + + /** + * _forceRemove + * + * @param {Node} node a DOM node + */ + const _forceRemove = function _forceRemove(node) { + arrayPush(DOMPurify.removed, { + element: node + }); + try { + // eslint-disable-next-line unicorn/prefer-dom-node-remove + getParentNode(node).removeChild(node); + } catch (_) { + remove(node); + } + }; + + /** + * _removeAttribute + * + * @param {String} name an Attribute name + * @param {Node} node a DOM node + */ + const _removeAttribute = function _removeAttribute(name, node) { + try { + arrayPush(DOMPurify.removed, { + attribute: node.getAttributeNode(name), + from: node + }); + } catch (_) { + arrayPush(DOMPurify.removed, { + attribute: null, + from: node + }); + } + node.removeAttribute(name); + + // We void attribute values for unremovable "is"" attributes + if (name === 'is' && !ALLOWED_ATTR[name]) { + if (RETURN_DOM || RETURN_DOM_FRAGMENT) { + try { + _forceRemove(node); + } catch (_) {} + } else { + try { + node.setAttribute(name, ''); + } catch (_) {} + } + } + }; + + /** + * _initDocument + * + * @param {String} dirty a string of dirty markup + * @return {Document} a DOM, filled with the dirty markup + */ + const _initDocument = function _initDocument(dirty) { + /* Create a HTML document */ + let doc = null; + let leadingWhitespace = null; + if (FORCE_BODY) { + dirty = '' + dirty; + } else { + /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */ + const matches = stringMatch(dirty, /^[\r\n\t ]+/); + leadingWhitespace = matches && matches[0]; + } + if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && NAMESPACE === HTML_NAMESPACE) { + // Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict) + dirty = '' + dirty + ''; + } + const dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty; + /* + * Use the DOMParser API by default, fallback later if needs be + * DOMParser not work for svg when has multiple root element. + */ + if (NAMESPACE === HTML_NAMESPACE) { + try { + doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE); + } catch (_) {} + } + + /* Use createHTMLDocument in case DOMParser is not available */ + if (!doc || !doc.documentElement) { + doc = implementation.createDocument(NAMESPACE, 'template', null); + try { + doc.documentElement.innerHTML = IS_EMPTY_INPUT ? emptyHTML : dirtyPayload; + } catch (_) { + // Syntax error if dirtyPayload is invalid xml + } + } + const body = doc.body || doc.documentElement; + if (dirty && leadingWhitespace) { + body.insertBefore(document.createTextNode(leadingWhitespace), body.childNodes[0] || null); + } + + /* Work on whole document or just its body */ + if (NAMESPACE === HTML_NAMESPACE) { + return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0]; + } + return WHOLE_DOCUMENT ? doc.documentElement : body; + }; + + /** + * Creates a NodeIterator object that you can use to traverse filtered lists of nodes or elements in a document. + * + * @param {Node} root The root element or node to start traversing on. + * @return {NodeIterator} The created NodeIterator + */ + const _createNodeIterator = function _createNodeIterator(root) { + return createNodeIterator.call(root.ownerDocument || root, root, + // eslint-disable-next-line no-bitwise + NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT | NodeFilter.SHOW_PROCESSING_INSTRUCTION | NodeFilter.SHOW_CDATA_SECTION, null); + }; + + /** + * _isClobbered + * + * @param {Node} elm element to check for clobbering attacks + * @return {Boolean} true if clobbered, false if safe + */ + const _isClobbered = function _isClobbered(elm) { + return elm instanceof HTMLFormElement && (typeof elm.nodeName !== 'string' || typeof elm.textContent !== 'string' || typeof elm.removeChild !== 'function' || !(elm.attributes instanceof NamedNodeMap) || typeof elm.removeAttribute !== 'function' || typeof elm.setAttribute !== 'function' || typeof elm.namespaceURI !== 'string' || typeof elm.insertBefore !== 'function' || typeof elm.hasChildNodes !== 'function'); + }; + + /** + * Checks whether the given object is a DOM node. + * + * @param {Node} object object to check whether it's a DOM node + * @return {Boolean} true is object is a DOM node + */ + const _isNode = function _isNode(object) { + return typeof Node === 'function' && object instanceof Node; + }; + + /** + * _executeHook + * Execute user configurable hooks + * + * @param {String} entryPoint Name of the hook's entry point + * @param {Node} currentNode node to work on with the hook + * @param {Object} data additional hook parameters + */ + const _executeHook = function _executeHook(entryPoint, currentNode, data) { + if (!hooks[entryPoint]) { + return; + } + arrayForEach(hooks[entryPoint], hook => { + hook.call(DOMPurify, currentNode, data, CONFIG); + }); + }; + + /** + * _sanitizeElements + * + * @protect nodeName + * @protect textContent + * @protect removeChild + * + * @param {Node} currentNode to check for permission to exist + * @return {Boolean} true if node was killed, false if left alive + */ + const _sanitizeElements = function _sanitizeElements(currentNode) { + let content = null; + + /* Execute a hook if present */ + _executeHook('beforeSanitizeElements', currentNode, null); + + /* Check if element is clobbered or can clobber */ + if (_isClobbered(currentNode)) { + _forceRemove(currentNode); + return true; + } + + /* Now let's check the element's type and name */ + const tagName = transformCaseFunc(currentNode.nodeName); + + /* Execute a hook if present */ + _executeHook('uponSanitizeElement', currentNode, { + tagName, + allowedTags: ALLOWED_TAGS + }); + + /* Detect mXSS attempts abusing namespace confusion */ + if (currentNode.hasChildNodes() && !_isNode(currentNode.firstElementChild) && regExpTest(/<[/\w]/g, currentNode.innerHTML) && regExpTest(/<[/\w]/g, currentNode.textContent)) { + _forceRemove(currentNode); + return true; + } + + /* Remove any occurrence of processing instructions */ + if (currentNode.nodeType === NODE_TYPE.progressingInstruction) { + _forceRemove(currentNode); + return true; + } + + /* Remove any kind of possibly harmful comments */ + if (SAFE_FOR_XML && currentNode.nodeType === NODE_TYPE.comment && regExpTest(/<[/\w]/g, currentNode.data)) { + _forceRemove(currentNode); + return true; + } + + /* Remove element if anything forbids its presence */ + if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) { + /* Check if we have a custom element to handle */ + if (!FORBID_TAGS[tagName] && _isBasicCustomElement(tagName)) { + if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)) { + return false; + } + if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)) { + return false; + } + } + + /* Keep content except for bad-listed elements */ + if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) { + const parentNode = getParentNode(currentNode) || currentNode.parentNode; + const childNodes = getChildNodes(currentNode) || currentNode.childNodes; + if (childNodes && parentNode) { + const childCount = childNodes.length; + for (let i = childCount - 1; i >= 0; --i) { + const childClone = cloneNode(childNodes[i], true); + childClone.__removalCount = (currentNode.__removalCount || 0) + 1; + parentNode.insertBefore(childClone, getNextSibling(currentNode)); + } + } + } + _forceRemove(currentNode); + return true; + } + + /* Check whether element has a valid namespace */ + if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) { + _forceRemove(currentNode); + return true; + } + + /* Make sure that older browsers don't get fallback-tag mXSS */ + if ((tagName === 'noscript' || tagName === 'noembed' || tagName === 'noframes') && regExpTest(/<\/no(script|embed|frames)/i, currentNode.innerHTML)) { + _forceRemove(currentNode); + return true; + } + + /* Sanitize element content to be template-safe */ + if (SAFE_FOR_TEMPLATES && currentNode.nodeType === NODE_TYPE.text) { + /* Get the element's text content */ + content = currentNode.textContent; + arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => { + content = stringReplace(content, expr, ' '); + }); + if (currentNode.textContent !== content) { + arrayPush(DOMPurify.removed, { + element: currentNode.cloneNode() + }); + currentNode.textContent = content; + } + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeElements', currentNode, null); + return false; + }; + + /** + * _isValidAttribute + * + * @param {string} lcTag Lowercase tag name of containing element. + * @param {string} lcName Lowercase attribute name. + * @param {string} value Attribute value. + * @return {Boolean} Returns true if `value` is valid, otherwise false. + */ + // eslint-disable-next-line complexity + const _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) { + /* Make sure attribute cannot clobber */ + if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) { + return false; + } + + /* Allow valid data-* attributes: At least one character after "-" + (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes) + XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804) + We don't need to check the value; it's always URI safe. */ + if (ALLOW_DATA_ATTR && !FORBID_ATTR[lcName] && regExpTest(DATA_ATTR, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR, lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) { + if ( + // First condition does a very basic check if a) it's basically a valid custom element tagname AND + // b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck + // and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck + _isBasicCustomElement(lcTag) && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, lcTag) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(lcTag)) && (CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.attributeNameCheck, lcName) || CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.attributeNameCheck(lcName)) || + // Alternative, second condition checks if it's an `is`-attribute, AND + // the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck + lcName === 'is' && CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, value) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(value))) ; else { + return false; + } + /* Check value is safe. First, is attr inert? If so, is safe */ + } else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (regExpTest(IS_ALLOWED_URI$1, stringReplace(value, ATTR_WHITESPACE, ''))) ; else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && stringIndexOf(value, 'data:') === 0 && DATA_URI_TAGS[lcTag]) ; else if (ALLOW_UNKNOWN_PROTOCOLS && !regExpTest(IS_SCRIPT_OR_DATA, stringReplace(value, ATTR_WHITESPACE, ''))) ; else if (value) { + return false; + } else ; + return true; + }; + + /** + * _isBasicCustomElement + * checks if at least one dash is included in tagName, and it's not the first char + * for more sophisticated checking see https://github.com/sindresorhus/validate-element-name + * + * @param {string} tagName name of the tag of the node to sanitize + * @returns {boolean} Returns true if the tag name meets the basic criteria for a custom element, otherwise false. + */ + const _isBasicCustomElement = function _isBasicCustomElement(tagName) { + return tagName !== 'annotation-xml' && stringMatch(tagName, CUSTOM_ELEMENT); + }; + + /** + * _sanitizeAttributes + * + * @protect attributes + * @protect nodeName + * @protect removeAttribute + * @protect setAttribute + * + * @param {Node} currentNode to sanitize + */ + const _sanitizeAttributes = function _sanitizeAttributes(currentNode) { + /* Execute a hook if present */ + _executeHook('beforeSanitizeAttributes', currentNode, null); + const { + attributes + } = currentNode; + + /* Check if we have attributes; if not we might have a text node */ + if (!attributes) { + return; + } + const hookEvent = { + attrName: '', + attrValue: '', + keepAttr: true, + allowedAttributes: ALLOWED_ATTR + }; + let l = attributes.length; + + /* Go backwards over all attributes; safely remove bad ones */ + while (l--) { + const attr = attributes[l]; + const { + name, + namespaceURI, + value: attrValue + } = attr; + const lcName = transformCaseFunc(name); + let value = name === 'value' ? attrValue : stringTrim(attrValue); + + /* Execute a hook if present */ + hookEvent.attrName = lcName; + hookEvent.attrValue = value; + hookEvent.keepAttr = true; + hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set + _executeHook('uponSanitizeAttribute', currentNode, hookEvent); + value = hookEvent.attrValue; + + /* Work around a security issue with comments inside attributes */ + if (SAFE_FOR_XML && regExpTest(/((--!?|])>)|<\/(style|title)/i, value)) { + _removeAttribute(name, currentNode); + continue; + } + + /* Did the hooks approve of the attribute? */ + if (hookEvent.forceKeepAttr) { + continue; + } + + /* Remove attribute */ + _removeAttribute(name, currentNode); + + /* Did the hooks approve of the attribute? */ + if (!hookEvent.keepAttr) { + continue; + } + + /* Work around a security issue in jQuery 3.0 */ + if (!ALLOW_SELF_CLOSE_IN_ATTR && regExpTest(/\/>/i, value)) { + _removeAttribute(name, currentNode); + continue; + } + + /* Sanitize attribute content to be template-safe */ + if (SAFE_FOR_TEMPLATES) { + arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => { + value = stringReplace(value, expr, ' '); + }); + } + + /* Is `value` valid for this attribute? */ + const lcTag = transformCaseFunc(currentNode.nodeName); + if (!_isValidAttribute(lcTag, lcName, value)) { + continue; + } + + /* Full DOM Clobbering protection via namespace isolation, + * Prefix id and name attributes with `user-content-` + */ + if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) { + // Remove the attribute with this value + _removeAttribute(name, currentNode); + + // Prefix the value and later re-create the attribute with the sanitized value + value = SANITIZE_NAMED_PROPS_PREFIX + value; + } + + /* Handle attributes that require Trusted Types */ + if (trustedTypesPolicy && typeof trustedTypes === 'object' && typeof trustedTypes.getAttributeType === 'function') { + if (namespaceURI) ; else { + switch (trustedTypes.getAttributeType(lcTag, lcName)) { + case 'TrustedHTML': + { + value = trustedTypesPolicy.createHTML(value); + break; + } + case 'TrustedScriptURL': + { + value = trustedTypesPolicy.createScriptURL(value); + break; + } + } + } + } + + /* Handle invalid data-* attribute set by try-catching it */ + try { + if (namespaceURI) { + currentNode.setAttributeNS(namespaceURI, name, value); + } else { + /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. "x-schema". */ + currentNode.setAttribute(name, value); + } + if (_isClobbered(currentNode)) { + _forceRemove(currentNode); + } else { + arrayPop(DOMPurify.removed); + } + } catch (_) {} + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeAttributes', currentNode, null); + }; + + /** + * _sanitizeShadowDOM + * + * @param {DocumentFragment} fragment to iterate over recursively + */ + const _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) { + let shadowNode = null; + const shadowIterator = _createNodeIterator(fragment); + + /* Execute a hook if present */ + _executeHook('beforeSanitizeShadowDOM', fragment, null); + while (shadowNode = shadowIterator.nextNode()) { + /* Execute a hook if present */ + _executeHook('uponSanitizeShadowNode', shadowNode, null); + + /* Sanitize tags and elements */ + if (_sanitizeElements(shadowNode)) { + continue; + } + + /* Deep shadow DOM detected */ + if (shadowNode.content instanceof DocumentFragment) { + _sanitizeShadowDOM(shadowNode.content); + } + + /* Check attributes, sanitize if necessary */ + _sanitizeAttributes(shadowNode); + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeShadowDOM', fragment, null); + }; + + /** + * Sanitize + * Public method providing core sanitation functionality + * + * @param {String|Node} dirty string or DOM node + * @param {Object} cfg object + */ + // eslint-disable-next-line complexity + DOMPurify.sanitize = function (dirty) { + let cfg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + let body = null; + let importedNode = null; + let currentNode = null; + let returnNode = null; + /* Make sure we have a string to sanitize. + DO NOT return early, as this will return the wrong type if + the user has requested a DOM object rather than a string */ + IS_EMPTY_INPUT = !dirty; + if (IS_EMPTY_INPUT) { + dirty = ''; + } + + /* Stringify, in case dirty is an object */ + if (typeof dirty !== 'string' && !_isNode(dirty)) { + if (typeof dirty.toString === 'function') { + dirty = dirty.toString(); + if (typeof dirty !== 'string') { + throw typeErrorCreate('dirty is not a string, aborting'); + } + } else { + throw typeErrorCreate('toString is not a function'); + } + } + + /* Return dirty HTML if DOMPurify cannot run */ + if (!DOMPurify.isSupported) { + return dirty; + } + + /* Assign config vars */ + if (!SET_CONFIG) { + _parseConfig(cfg); + } + + /* Clean up removed elements */ + DOMPurify.removed = []; + + /* Check if dirty is correctly typed for IN_PLACE */ + if (typeof dirty === 'string') { + IN_PLACE = false; + } + if (IN_PLACE) { + /* Do some early pre-sanitization to avoid unsafe root nodes */ + if (dirty.nodeName) { + const tagName = transformCaseFunc(dirty.nodeName); + if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) { + throw typeErrorCreate('root node is forbidden and cannot be sanitized in-place'); + } + } + } else if (dirty instanceof Node) { + /* If dirty is a DOM element, append to an empty document to avoid + elements being stripped by the parser */ + body = _initDocument(''); + importedNode = body.ownerDocument.importNode(dirty, true); + if (importedNode.nodeType === NODE_TYPE.element && importedNode.nodeName === 'BODY') { + /* Node is already a body, use as is */ + body = importedNode; + } else if (importedNode.nodeName === 'HTML') { + body = importedNode; + } else { + // eslint-disable-next-line unicorn/prefer-dom-node-append + body.appendChild(importedNode); + } + } else { + /* Exit directly if we have nothing to do */ + if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT && + // eslint-disable-next-line unicorn/prefer-includes + dirty.indexOf('<') === -1) { + return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty; + } + + /* Initialize the document to work on */ + body = _initDocument(dirty); + + /* Check we have a DOM node from the data */ + if (!body) { + return RETURN_DOM ? null : RETURN_TRUSTED_TYPE ? emptyHTML : ''; + } + } + + /* Remove first element node (ours) if FORCE_BODY is set */ + if (body && FORCE_BODY) { + _forceRemove(body.firstChild); + } + + /* Get node iterator */ + const nodeIterator = _createNodeIterator(IN_PLACE ? dirty : body); + + /* Now start iterating over the created document */ + while (currentNode = nodeIterator.nextNode()) { + /* Sanitize tags and elements */ + if (_sanitizeElements(currentNode)) { + continue; + } + + /* Shadow DOM detected, sanitize it */ + if (currentNode.content instanceof DocumentFragment) { + _sanitizeShadowDOM(currentNode.content); + } + + /* Check attributes, sanitize if necessary */ + _sanitizeAttributes(currentNode); + } + + /* If we sanitized `dirty` in-place, return it. */ + if (IN_PLACE) { + return dirty; + } + + /* Return sanitized string or DOM */ + if (RETURN_DOM) { + if (RETURN_DOM_FRAGMENT) { + returnNode = createDocumentFragment.call(body.ownerDocument); + while (body.firstChild) { + // eslint-disable-next-line unicorn/prefer-dom-node-append + returnNode.appendChild(body.firstChild); + } + } else { + returnNode = body; + } + if (ALLOWED_ATTR.shadowroot || ALLOWED_ATTR.shadowrootmode) { + /* + AdoptNode() is not used because internal state is not reset + (e.g. the past names map of a HTMLFormElement), this is safe + in theory but we would rather not risk another attack vector. + The state that is cloned by importNode() is explicitly defined + by the specs. + */ + returnNode = importNode.call(originalDocument, returnNode, true); + } + return returnNode; + } + let serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML; + + /* Serialize doctype if allowed */ + if (WHOLE_DOCUMENT && ALLOWED_TAGS['!doctype'] && body.ownerDocument && body.ownerDocument.doctype && body.ownerDocument.doctype.name && regExpTest(DOCTYPE_NAME, body.ownerDocument.doctype.name)) { + serializedHTML = '\n' + serializedHTML; + } + + /* Sanitize final string template-safe */ + if (SAFE_FOR_TEMPLATES) { + arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => { + serializedHTML = stringReplace(serializedHTML, expr, ' '); + }); + } + return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML; + }; + + /** + * Public method to set the configuration once + * setConfig + * + * @param {Object} cfg configuration object + */ + DOMPurify.setConfig = function () { + let cfg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + _parseConfig(cfg); + SET_CONFIG = true; + }; + + /** + * Public method to remove the configuration + * clearConfig + * + */ + DOMPurify.clearConfig = function () { + CONFIG = null; + SET_CONFIG = false; + }; + + /** + * Public method to check if an attribute value is valid. + * Uses last set config, if any. Otherwise, uses config defaults. + * isValidAttribute + * + * @param {String} tag Tag name of containing element. + * @param {String} attr Attribute name. + * @param {String} value Attribute value. + * @return {Boolean} Returns true if `value` is valid. Otherwise, returns false. + */ + DOMPurify.isValidAttribute = function (tag, attr, value) { + /* Initialize shared config vars if necessary. */ + if (!CONFIG) { + _parseConfig({}); + } + const lcTag = transformCaseFunc(tag); + const lcName = transformCaseFunc(attr); + return _isValidAttribute(lcTag, lcName, value); + }; + + /** + * AddHook + * Public method to add DOMPurify hooks + * + * @param {String} entryPoint entry point for the hook to add + * @param {Function} hookFunction function to execute + */ + DOMPurify.addHook = function (entryPoint, hookFunction) { + if (typeof hookFunction !== 'function') { + return; + } + hooks[entryPoint] = hooks[entryPoint] || []; + arrayPush(hooks[entryPoint], hookFunction); + }; + + /** + * RemoveHook + * Public method to remove a DOMPurify hook at a given entryPoint + * (pops it from the stack of hooks if more are present) + * + * @param {String} entryPoint entry point for the hook to remove + * @return {Function} removed(popped) hook + */ + DOMPurify.removeHook = function (entryPoint) { + if (hooks[entryPoint]) { + return arrayPop(hooks[entryPoint]); + } + }; + + /** + * RemoveHooks + * Public method to remove all DOMPurify hooks at a given entryPoint + * + * @param {String} entryPoint entry point for the hooks to remove + */ + DOMPurify.removeHooks = function (entryPoint) { + if (hooks[entryPoint]) { + hooks[entryPoint] = []; + } + }; + + /** + * RemoveAllHooks + * Public method to remove all DOMPurify hooks + */ + DOMPurify.removeAllHooks = function () { + hooks = {}; + }; + return DOMPurify; + } + var purify = createDOMPurify(); + + return purify; + + })); + //# sourceMappingURL=purify.js.map + \ No newline at end of file diff --git a/public/scripts/purify.js.map b/public/scripts/purify.js.map new file mode 100644 index 00000000..da2a374f --- /dev/null +++ b/public/scripts/purify.js.map @@ -0,0 +1 @@ +{"version":3,"file":"purify.js","sources":["../src/utils.js","../src/tags.js","../src/attrs.js","../src/regexp.js","../src/purify.js"],"sourcesContent":["const {\n entries,\n setPrototypeOf,\n isFrozen,\n getPrototypeOf,\n getOwnPropertyDescriptor,\n} = Object;\n\nlet { freeze, seal, create } = Object; // eslint-disable-line import/no-mutable-exports\nlet { apply, construct } = typeof Reflect !== 'undefined' && Reflect;\n\nif (!freeze) {\n freeze = function (x) {\n return x;\n };\n}\n\nif (!seal) {\n seal = function (x) {\n return x;\n };\n}\n\nif (!apply) {\n apply = function (fun, thisValue, args) {\n return fun.apply(thisValue, args);\n };\n}\n\nif (!construct) {\n construct = function (Func, args) {\n return new Func(...args);\n };\n}\n\nconst arrayForEach = unapply(Array.prototype.forEach);\nconst arrayIndexOf = unapply(Array.prototype.indexOf);\nconst arrayPop = unapply(Array.prototype.pop);\nconst arrayPush = unapply(Array.prototype.push);\nconst arraySlice = unapply(Array.prototype.slice);\n\nconst stringToLowerCase = unapply(String.prototype.toLowerCase);\nconst stringToString = unapply(String.prototype.toString);\nconst stringMatch = unapply(String.prototype.match);\nconst stringReplace = unapply(String.prototype.replace);\nconst stringIndexOf = unapply(String.prototype.indexOf);\nconst stringTrim = unapply(String.prototype.trim);\n\nconst objectHasOwnProperty = unapply(Object.prototype.hasOwnProperty);\n\nconst regExpTest = unapply(RegExp.prototype.test);\n\nconst typeErrorCreate = unconstruct(TypeError);\n\n/**\n * Creates a new function that calls the given function with a specified thisArg and arguments.\n *\n * @param {Function} func - The function to be wrapped and called.\n * @returns {Function} A new function that calls the given function with a specified thisArg and arguments.\n */\nfunction unapply(func) {\n return (thisArg, ...args) => apply(func, thisArg, args);\n}\n\n/**\n * Creates a new function that constructs an instance of the given constructor function with the provided arguments.\n *\n * @param {Function} func - The constructor function to be wrapped and called.\n * @returns {Function} A new function that constructs an instance of the given constructor function with the provided arguments.\n */\nfunction unconstruct(func) {\n return (...args) => construct(func, args);\n}\n\n/**\n * Add properties to a lookup table\n *\n * @param {Object} set - The set to which elements will be added.\n * @param {Array} array - The array containing elements to be added to the set.\n * @param {Function} transformCaseFunc - An optional function to transform the case of each element before adding to the set.\n * @returns {Object} The modified set with added elements.\n */\nfunction addToSet(set, array, transformCaseFunc = stringToLowerCase) {\n if (setPrototypeOf) {\n // Make 'in' and truthy checks like Boolean(set.constructor)\n // independent of any properties defined on Object.prototype.\n // Prevent prototype setters from intercepting set as a this value.\n setPrototypeOf(set, null);\n }\n\n let l = array.length;\n while (l--) {\n let element = array[l];\n if (typeof element === 'string') {\n const lcElement = transformCaseFunc(element);\n if (lcElement !== element) {\n // Config presets (e.g. tags.js, attrs.js) are immutable.\n if (!isFrozen(array)) {\n array[l] = lcElement;\n }\n\n element = lcElement;\n }\n }\n\n set[element] = true;\n }\n\n return set;\n}\n\n/**\n * Clean up an array to harden against CSPP\n *\n * @param {Array} array - The array to be cleaned.\n * @returns {Array} The cleaned version of the array\n */\nfunction cleanArray(array) {\n for (let index = 0; index < array.length; index++) {\n const isPropertyExist = objectHasOwnProperty(array, index);\n\n if (!isPropertyExist) {\n array[index] = null;\n }\n }\n\n return array;\n}\n\n/**\n * Shallow clone an object\n *\n * @param {Object} object - The object to be cloned.\n * @returns {Object} A new object that copies the original.\n */\nfunction clone(object) {\n const newObject = create(null);\n\n for (const [property, value] of entries(object)) {\n const isPropertyExist = objectHasOwnProperty(object, property);\n\n if (isPropertyExist) {\n if (Array.isArray(value)) {\n newObject[property] = cleanArray(value);\n } else if (\n value &&\n typeof value === 'object' &&\n value.constructor === Object\n ) {\n newObject[property] = clone(value);\n } else {\n newObject[property] = value;\n }\n }\n }\n\n return newObject;\n}\n\n/**\n * This method automatically checks if the prop is function or getter and behaves accordingly.\n *\n * @param {Object} object - The object to look up the getter function in its prototype chain.\n * @param {String} prop - The property name for which to find the getter function.\n * @returns {Function} The getter function found in the prototype chain or a fallback function.\n */\nfunction lookupGetter(object, prop) {\n while (object !== null) {\n const desc = getOwnPropertyDescriptor(object, prop);\n\n if (desc) {\n if (desc.get) {\n return unapply(desc.get);\n }\n\n if (typeof desc.value === 'function') {\n return unapply(desc.value);\n }\n }\n\n object = getPrototypeOf(object);\n }\n\n function fallbackValue() {\n return null;\n }\n\n return fallbackValue;\n}\n\nexport {\n // Array\n arrayForEach,\n arrayIndexOf,\n arrayPop,\n arrayPush,\n arraySlice,\n // Object\n entries,\n freeze,\n getPrototypeOf,\n getOwnPropertyDescriptor,\n isFrozen,\n setPrototypeOf,\n seal,\n clone,\n create,\n objectHasOwnProperty,\n // RegExp\n regExpTest,\n // String\n stringIndexOf,\n stringMatch,\n stringReplace,\n stringToLowerCase,\n stringToString,\n stringTrim,\n // Errors\n typeErrorCreate,\n // Other\n lookupGetter,\n addToSet,\n // Reflect\n unapply,\n unconstruct,\n};\n","import { freeze } from './utils.js';\n\nexport const html = freeze([\n 'a',\n 'abbr',\n 'acronym',\n 'address',\n 'area',\n 'article',\n 'aside',\n 'audio',\n 'b',\n 'bdi',\n 'bdo',\n 'big',\n 'blink',\n 'blockquote',\n 'body',\n 'br',\n 'button',\n 'canvas',\n 'caption',\n 'center',\n 'cite',\n 'code',\n 'col',\n 'colgroup',\n 'content',\n 'data',\n 'datalist',\n 'dd',\n 'decorator',\n 'del',\n 'details',\n 'dfn',\n 'dialog',\n 'dir',\n 'div',\n 'dl',\n 'dt',\n 'element',\n 'em',\n 'fieldset',\n 'figcaption',\n 'figure',\n 'font',\n 'footer',\n 'form',\n 'h1',\n 'h2',\n 'h3',\n 'h4',\n 'h5',\n 'h6',\n 'head',\n 'header',\n 'hgroup',\n 'hr',\n 'html',\n 'i',\n 'img',\n 'input',\n 'ins',\n 'kbd',\n 'label',\n 'legend',\n 'li',\n 'main',\n 'map',\n 'mark',\n 'marquee',\n 'menu',\n 'menuitem',\n 'meter',\n 'nav',\n 'nobr',\n 'ol',\n 'optgroup',\n 'option',\n 'output',\n 'p',\n 'picture',\n 'pre',\n 'progress',\n 'q',\n 'rp',\n 'rt',\n 'ruby',\n 's',\n 'samp',\n 'section',\n 'select',\n 'shadow',\n 'small',\n 'source',\n 'spacer',\n 'span',\n 'strike',\n 'strong',\n 'style',\n 'sub',\n 'summary',\n 'sup',\n 'table',\n 'tbody',\n 'td',\n 'template',\n 'textarea',\n 'tfoot',\n 'th',\n 'thead',\n 'time',\n 'tr',\n 'track',\n 'tt',\n 'u',\n 'ul',\n 'var',\n 'video',\n 'wbr',\n]);\n\n// SVG\nexport const svg = freeze([\n 'svg',\n 'a',\n 'altglyph',\n 'altglyphdef',\n 'altglyphitem',\n 'animatecolor',\n 'animatemotion',\n 'animatetransform',\n 'circle',\n 'clippath',\n 'defs',\n 'desc',\n 'ellipse',\n 'filter',\n 'font',\n 'g',\n 'glyph',\n 'glyphref',\n 'hkern',\n 'image',\n 'line',\n 'lineargradient',\n 'marker',\n 'mask',\n 'metadata',\n 'mpath',\n 'path',\n 'pattern',\n 'polygon',\n 'polyline',\n 'radialgradient',\n 'rect',\n 'stop',\n 'style',\n 'switch',\n 'symbol',\n 'text',\n 'textpath',\n 'title',\n 'tref',\n 'tspan',\n 'view',\n 'vkern',\n]);\n\nexport const svgFilters = freeze([\n 'feBlend',\n 'feColorMatrix',\n 'feComponentTransfer',\n 'feComposite',\n 'feConvolveMatrix',\n 'feDiffuseLighting',\n 'feDisplacementMap',\n 'feDistantLight',\n 'feDropShadow',\n 'feFlood',\n 'feFuncA',\n 'feFuncB',\n 'feFuncG',\n 'feFuncR',\n 'feGaussianBlur',\n 'feImage',\n 'feMerge',\n 'feMergeNode',\n 'feMorphology',\n 'feOffset',\n 'fePointLight',\n 'feSpecularLighting',\n 'feSpotLight',\n 'feTile',\n 'feTurbulence',\n]);\n\n// List of SVG elements that are disallowed by default.\n// We still need to know them so that we can do namespace\n// checks properly in case one wants to add them to\n// allow-list.\nexport const svgDisallowed = freeze([\n 'animate',\n 'color-profile',\n 'cursor',\n 'discard',\n 'font-face',\n 'font-face-format',\n 'font-face-name',\n 'font-face-src',\n 'font-face-uri',\n 'foreignobject',\n 'hatch',\n 'hatchpath',\n 'mesh',\n 'meshgradient',\n 'meshpatch',\n 'meshrow',\n 'missing-glyph',\n 'script',\n 'set',\n 'solidcolor',\n 'unknown',\n 'use',\n]);\n\nexport const mathMl = freeze([\n 'math',\n 'menclose',\n 'merror',\n 'mfenced',\n 'mfrac',\n 'mglyph',\n 'mi',\n 'mlabeledtr',\n 'mmultiscripts',\n 'mn',\n 'mo',\n 'mover',\n 'mpadded',\n 'mphantom',\n 'mroot',\n 'mrow',\n 'ms',\n 'mspace',\n 'msqrt',\n 'mstyle',\n 'msub',\n 'msup',\n 'msubsup',\n 'mtable',\n 'mtd',\n 'mtext',\n 'mtr',\n 'munder',\n 'munderover',\n 'mprescripts',\n]);\n\n// Similarly to SVG, we want to know all MathML elements,\n// even those that we disallow by default.\nexport const mathMlDisallowed = freeze([\n 'maction',\n 'maligngroup',\n 'malignmark',\n 'mlongdiv',\n 'mscarries',\n 'mscarry',\n 'msgroup',\n 'mstack',\n 'msline',\n 'msrow',\n 'semantics',\n 'annotation',\n 'annotation-xml',\n 'mprescripts',\n 'none',\n]);\n\nexport const text = freeze(['#text']);\n","import { freeze } from './utils.js';\n\nexport const html = freeze([\n 'accept',\n 'action',\n 'align',\n 'alt',\n 'autocapitalize',\n 'autocomplete',\n 'autopictureinpicture',\n 'autoplay',\n 'background',\n 'bgcolor',\n 'border',\n 'capture',\n 'cellpadding',\n 'cellspacing',\n 'checked',\n 'cite',\n 'class',\n 'clear',\n 'color',\n 'cols',\n 'colspan',\n 'controls',\n 'controlslist',\n 'coords',\n 'crossorigin',\n 'datetime',\n 'decoding',\n 'default',\n 'dir',\n 'disabled',\n 'disablepictureinpicture',\n 'disableremoteplayback',\n 'download',\n 'draggable',\n 'enctype',\n 'enterkeyhint',\n 'face',\n 'for',\n 'headers',\n 'height',\n 'hidden',\n 'high',\n 'href',\n 'hreflang',\n 'id',\n 'inputmode',\n 'integrity',\n 'ismap',\n 'kind',\n 'label',\n 'lang',\n 'list',\n 'loading',\n 'loop',\n 'low',\n 'max',\n 'maxlength',\n 'media',\n 'method',\n 'min',\n 'minlength',\n 'multiple',\n 'muted',\n 'name',\n 'nonce',\n 'noshade',\n 'novalidate',\n 'nowrap',\n 'open',\n 'optimum',\n 'pattern',\n 'placeholder',\n 'playsinline',\n 'popover',\n 'popovertarget',\n 'popovertargetaction',\n 'poster',\n 'preload',\n 'pubdate',\n 'radiogroup',\n 'readonly',\n 'rel',\n 'required',\n 'rev',\n 'reversed',\n 'role',\n 'rows',\n 'rowspan',\n 'spellcheck',\n 'scope',\n 'selected',\n 'shape',\n 'size',\n 'sizes',\n 'span',\n 'srclang',\n 'start',\n 'src',\n 'srcset',\n 'step',\n 'style',\n 'summary',\n 'tabindex',\n 'title',\n 'translate',\n 'type',\n 'usemap',\n 'valign',\n 'value',\n 'width',\n 'wrap',\n 'xmlns',\n 'slot',\n]);\n\nexport const svg = freeze([\n 'accent-height',\n 'accumulate',\n 'additive',\n 'alignment-baseline',\n 'ascent',\n 'attributename',\n 'attributetype',\n 'azimuth',\n 'basefrequency',\n 'baseline-shift',\n 'begin',\n 'bias',\n 'by',\n 'class',\n 'clip',\n 'clippathunits',\n 'clip-path',\n 'clip-rule',\n 'color',\n 'color-interpolation',\n 'color-interpolation-filters',\n 'color-profile',\n 'color-rendering',\n 'cx',\n 'cy',\n 'd',\n 'dx',\n 'dy',\n 'diffuseconstant',\n 'direction',\n 'display',\n 'divisor',\n 'dur',\n 'edgemode',\n 'elevation',\n 'end',\n 'fill',\n 'fill-opacity',\n 'fill-rule',\n 'filter',\n 'filterunits',\n 'flood-color',\n 'flood-opacity',\n 'font-family',\n 'font-size',\n 'font-size-adjust',\n 'font-stretch',\n 'font-style',\n 'font-variant',\n 'font-weight',\n 'fx',\n 'fy',\n 'g1',\n 'g2',\n 'glyph-name',\n 'glyphref',\n 'gradientunits',\n 'gradienttransform',\n 'height',\n 'href',\n 'id',\n 'image-rendering',\n 'in',\n 'in2',\n 'k',\n 'k1',\n 'k2',\n 'k3',\n 'k4',\n 'kerning',\n 'keypoints',\n 'keysplines',\n 'keytimes',\n 'lang',\n 'lengthadjust',\n 'letter-spacing',\n 'kernelmatrix',\n 'kernelunitlength',\n 'lighting-color',\n 'local',\n 'marker-end',\n 'marker-mid',\n 'marker-start',\n 'markerheight',\n 'markerunits',\n 'markerwidth',\n 'maskcontentunits',\n 'maskunits',\n 'max',\n 'mask',\n 'media',\n 'method',\n 'mode',\n 'min',\n 'name',\n 'numoctaves',\n 'offset',\n 'operator',\n 'opacity',\n 'order',\n 'orient',\n 'orientation',\n 'origin',\n 'overflow',\n 'paint-order',\n 'path',\n 'pathlength',\n 'patterncontentunits',\n 'patterntransform',\n 'patternunits',\n 'points',\n 'preservealpha',\n 'preserveaspectratio',\n 'primitiveunits',\n 'r',\n 'rx',\n 'ry',\n 'radius',\n 'refx',\n 'refy',\n 'repeatcount',\n 'repeatdur',\n 'restart',\n 'result',\n 'rotate',\n 'scale',\n 'seed',\n 'shape-rendering',\n 'specularconstant',\n 'specularexponent',\n 'spreadmethod',\n 'startoffset',\n 'stddeviation',\n 'stitchtiles',\n 'stop-color',\n 'stop-opacity',\n 'stroke-dasharray',\n 'stroke-dashoffset',\n 'stroke-linecap',\n 'stroke-linejoin',\n 'stroke-miterlimit',\n 'stroke-opacity',\n 'stroke',\n 'stroke-width',\n 'style',\n 'surfacescale',\n 'systemlanguage',\n 'tabindex',\n 'targetx',\n 'targety',\n 'transform',\n 'transform-origin',\n 'text-anchor',\n 'text-decoration',\n 'text-rendering',\n 'textlength',\n 'type',\n 'u1',\n 'u2',\n 'unicode',\n 'values',\n 'viewbox',\n 'visibility',\n 'version',\n 'vert-adv-y',\n 'vert-origin-x',\n 'vert-origin-y',\n 'width',\n 'word-spacing',\n 'wrap',\n 'writing-mode',\n 'xchannelselector',\n 'ychannelselector',\n 'x',\n 'x1',\n 'x2',\n 'xmlns',\n 'y',\n 'y1',\n 'y2',\n 'z',\n 'zoomandpan',\n]);\n\nexport const mathMl = freeze([\n 'accent',\n 'accentunder',\n 'align',\n 'bevelled',\n 'close',\n 'columnsalign',\n 'columnlines',\n 'columnspan',\n 'denomalign',\n 'depth',\n 'dir',\n 'display',\n 'displaystyle',\n 'encoding',\n 'fence',\n 'frame',\n 'height',\n 'href',\n 'id',\n 'largeop',\n 'length',\n 'linethickness',\n 'lspace',\n 'lquote',\n 'mathbackground',\n 'mathcolor',\n 'mathsize',\n 'mathvariant',\n 'maxsize',\n 'minsize',\n 'movablelimits',\n 'notation',\n 'numalign',\n 'open',\n 'rowalign',\n 'rowlines',\n 'rowspacing',\n 'rowspan',\n 'rspace',\n 'rquote',\n 'scriptlevel',\n 'scriptminsize',\n 'scriptsizemultiplier',\n 'selection',\n 'separator',\n 'separators',\n 'stretchy',\n 'subscriptshift',\n 'supscriptshift',\n 'symmetric',\n 'voffset',\n 'width',\n 'xmlns',\n]);\n\nexport const xml = freeze([\n 'xlink:href',\n 'xml:id',\n 'xlink:title',\n 'xml:space',\n 'xmlns:xlink',\n]);\n","import { seal } from './utils.js';\n\n// eslint-disable-next-line unicorn/better-regex\nexport const MUSTACHE_EXPR = seal(/\\{\\{[\\w\\W]*|[\\w\\W]*\\}\\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode\nexport const ERB_EXPR = seal(/<%[\\w\\W]*|[\\w\\W]*%>/gm);\nexport const TMPLIT_EXPR = seal(/\\${[\\w\\W]*}/gm);\nexport const DATA_ATTR = seal(/^data-[\\-\\w.\\u00B7-\\uFFFF]/); // eslint-disable-line no-useless-escape\nexport const ARIA_ATTR = seal(/^aria-[\\-\\w]+$/); // eslint-disable-line no-useless-escape\nexport const IS_ALLOWED_URI = seal(\n /^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp):|[^a-z]|[a-z+.\\-]+(?:[^a-z+.\\-:]|$))/i // eslint-disable-line no-useless-escape\n);\nexport const IS_SCRIPT_OR_DATA = seal(/^(?:\\w+script|data):/i);\nexport const ATTR_WHITESPACE = seal(\n /[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205F\\u3000]/g // eslint-disable-line no-control-regex\n);\nexport const DOCTYPE_NAME = seal(/^html$/i);\nexport const CUSTOM_ELEMENT = seal(/^[a-z][.\\w]*(-[.\\w]+)+$/i);\n","import * as TAGS from './tags.js';\nimport * as ATTRS from './attrs.js';\nimport * as EXPRESSIONS from './regexp.js';\nimport {\n addToSet,\n clone,\n entries,\n freeze,\n arrayForEach,\n arrayPop,\n arrayPush,\n stringMatch,\n stringReplace,\n stringToLowerCase,\n stringToString,\n stringIndexOf,\n stringTrim,\n regExpTest,\n typeErrorCreate,\n lookupGetter,\n create,\n objectHasOwnProperty,\n} from './utils.js';\n\n// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType\nconst NODE_TYPE = {\n element: 1,\n attribute: 2,\n text: 3,\n cdataSection: 4,\n entityReference: 5, // Deprecated\n entityNode: 6, // Deprecated\n progressingInstruction: 7,\n comment: 8,\n document: 9,\n documentType: 10,\n documentFragment: 11,\n notation: 12, // Deprecated\n};\n\nconst getGlobal = function () {\n return typeof window === 'undefined' ? null : window;\n};\n\n/**\n * Creates a no-op policy for internal use only.\n * Don't export this function outside this module!\n * @param {TrustedTypePolicyFactory} trustedTypes The policy factory.\n * @param {HTMLScriptElement} purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix).\n * @return {TrustedTypePolicy} The policy created (or null, if Trusted Types\n * are not supported or creating the policy failed).\n */\nconst _createTrustedTypesPolicy = function (trustedTypes, purifyHostElement) {\n if (\n typeof trustedTypes !== 'object' ||\n typeof trustedTypes.createPolicy !== 'function'\n ) {\n return null;\n }\n\n // Allow the callers to control the unique policy name\n // by adding a data-tt-policy-suffix to the script element with the DOMPurify.\n // Policy creation with duplicate names throws in Trusted Types.\n let suffix = null;\n const ATTR_NAME = 'data-tt-policy-suffix';\n if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) {\n suffix = purifyHostElement.getAttribute(ATTR_NAME);\n }\n\n const policyName = 'dompurify' + (suffix ? '#' + suffix : '');\n\n try {\n return trustedTypes.createPolicy(policyName, {\n createHTML(html) {\n return html;\n },\n createScriptURL(scriptUrl) {\n return scriptUrl;\n },\n });\n } catch (_) {\n // Policy creation failed (most likely another DOMPurify script has\n // already run). Skip creating the policy, as this will only cause errors\n // if TT are enforced.\n console.warn(\n 'TrustedTypes policy ' + policyName + ' could not be created.'\n );\n return null;\n }\n};\n\nfunction createDOMPurify(window = getGlobal()) {\n const DOMPurify = (root) => createDOMPurify(root);\n\n /**\n * Version label, exposed for easier checks\n * if DOMPurify is up to date or not\n */\n DOMPurify.version = VERSION;\n\n /**\n * Array of elements that DOMPurify removed during sanitation.\n * Empty if nothing was removed.\n */\n DOMPurify.removed = [];\n\n if (\n !window ||\n !window.document ||\n window.document.nodeType !== NODE_TYPE.document\n ) {\n // Not running in a browser, provide a factory function\n // so that you can pass your own Window\n DOMPurify.isSupported = false;\n\n return DOMPurify;\n }\n\n let { document } = window;\n\n const originalDocument = document;\n const currentScript = originalDocument.currentScript;\n const {\n DocumentFragment,\n HTMLTemplateElement,\n Node,\n Element,\n NodeFilter,\n NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap,\n HTMLFormElement,\n DOMParser,\n trustedTypes,\n } = window;\n\n const ElementPrototype = Element.prototype;\n\n const cloneNode = lookupGetter(ElementPrototype, 'cloneNode');\n const remove = lookupGetter(ElementPrototype, 'remove');\n const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');\n const getChildNodes = lookupGetter(ElementPrototype, 'childNodes');\n const getParentNode = lookupGetter(ElementPrototype, 'parentNode');\n\n // As per issue #47, the web-components registry is inherited by a\n // new document created via createHTMLDocument. As per the spec\n // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)\n // a new empty registry is used when creating a template contents owner\n // document, so we use that as our parent document to ensure nothing\n // is inherited.\n if (typeof HTMLTemplateElement === 'function') {\n const template = document.createElement('template');\n if (template.content && template.content.ownerDocument) {\n document = template.content.ownerDocument;\n }\n }\n\n let trustedTypesPolicy;\n let emptyHTML = '';\n\n const {\n implementation,\n createNodeIterator,\n createDocumentFragment,\n getElementsByTagName,\n } = document;\n const { importNode } = originalDocument;\n\n let hooks = {};\n\n /**\n * Expose whether this browser supports running the full DOMPurify.\n */\n DOMPurify.isSupported =\n typeof entries === 'function' &&\n typeof getParentNode === 'function' &&\n implementation &&\n implementation.createHTMLDocument !== undefined;\n\n const {\n MUSTACHE_EXPR,\n ERB_EXPR,\n TMPLIT_EXPR,\n DATA_ATTR,\n ARIA_ATTR,\n IS_SCRIPT_OR_DATA,\n ATTR_WHITESPACE,\n CUSTOM_ELEMENT,\n } = EXPRESSIONS;\n\n let { IS_ALLOWED_URI } = EXPRESSIONS;\n\n /**\n * We consider the elements and attributes below to be safe. Ideally\n * don't add any new ones but feel free to remove unwanted ones.\n */\n\n /* allowed element names */\n let ALLOWED_TAGS = null;\n const DEFAULT_ALLOWED_TAGS = addToSet({}, [\n ...TAGS.html,\n ...TAGS.svg,\n ...TAGS.svgFilters,\n ...TAGS.mathMl,\n ...TAGS.text,\n ]);\n\n /* Allowed attribute names */\n let ALLOWED_ATTR = null;\n const DEFAULT_ALLOWED_ATTR = addToSet({}, [\n ...ATTRS.html,\n ...ATTRS.svg,\n ...ATTRS.mathMl,\n ...ATTRS.xml,\n ]);\n\n /*\n * Configure how DOMPUrify should handle custom elements and their attributes as well as customized built-in elements.\n * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)\n * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)\n * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.\n */\n let CUSTOM_ELEMENT_HANDLING = Object.seal(\n create(null, {\n tagNameCheck: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: null,\n },\n attributeNameCheck: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: null,\n },\n allowCustomizedBuiltInElements: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: false,\n },\n })\n );\n\n /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */\n let FORBID_TAGS = null;\n\n /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */\n let FORBID_ATTR = null;\n\n /* Decide if ARIA attributes are okay */\n let ALLOW_ARIA_ATTR = true;\n\n /* Decide if custom data attributes are okay */\n let ALLOW_DATA_ATTR = true;\n\n /* Decide if unknown protocols are okay */\n let ALLOW_UNKNOWN_PROTOCOLS = false;\n\n /* Decide if self-closing tags in attributes are allowed.\n * Usually removed due to a mXSS issue in jQuery 3.0 */\n let ALLOW_SELF_CLOSE_IN_ATTR = true;\n\n /* Output should be safe for common template engines.\n * This means, DOMPurify removes data attributes, mustaches and ERB\n */\n let SAFE_FOR_TEMPLATES = false;\n\n /* Output should be safe even for XML used within HTML and alike.\n * This means, DOMPurify removes comments when containing risky content.\n */\n let SAFE_FOR_XML = true;\n\n /* Decide if document with ... should be returned */\n let WHOLE_DOCUMENT = false;\n\n /* Track whether config is already set on this instance of DOMPurify. */\n let SET_CONFIG = false;\n\n /* Decide if all elements (e.g. style, script) must be children of\n * document.body. By default, browsers might move them to document.head */\n let FORCE_BODY = false;\n\n /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported).\n * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead\n */\n let RETURN_DOM = false;\n\n /* Decide if a DOM `DocumentFragment` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported) */\n let RETURN_DOM_FRAGMENT = false;\n\n /* Try to return a Trusted Type object instead of a string, return a string in\n * case Trusted Types are not supported */\n let RETURN_TRUSTED_TYPE = false;\n\n /* Output should be free from DOM clobbering attacks?\n * This sanitizes markups named with colliding, clobberable built-in DOM APIs.\n */\n let SANITIZE_DOM = true;\n\n /* Achieve full DOM Clobbering protection by isolating the namespace of named\n * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.\n *\n * HTML/DOM spec rules that enable DOM Clobbering:\n * - Named Access on Window (§7.3.3)\n * - DOM Tree Accessors (§3.1.5)\n * - Form Element Parent-Child Relations (§4.10.3)\n * - Iframe srcdoc / Nested WindowProxies (§4.8.5)\n * - HTMLCollection (§4.2.10.2)\n *\n * Namespace isolation is implemented by prefixing `id` and `name` attributes\n * with a constant string, i.e., `user-content-`\n */\n let SANITIZE_NAMED_PROPS = false;\n const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';\n\n /* Keep element content when removing element? */\n let KEEP_CONTENT = true;\n\n /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead\n * of importing it into a new Document and returning a sanitized copy */\n let IN_PLACE = false;\n\n /* Allow usage of profiles like html, svg and mathMl */\n let USE_PROFILES = {};\n\n /* Tags to ignore content of when KEEP_CONTENT is true */\n let FORBID_CONTENTS = null;\n const DEFAULT_FORBID_CONTENTS = addToSet({}, [\n 'annotation-xml',\n 'audio',\n 'colgroup',\n 'desc',\n 'foreignobject',\n 'head',\n 'iframe',\n 'math',\n 'mi',\n 'mn',\n 'mo',\n 'ms',\n 'mtext',\n 'noembed',\n 'noframes',\n 'noscript',\n 'plaintext',\n 'script',\n 'style',\n 'svg',\n 'template',\n 'thead',\n 'title',\n 'video',\n 'xmp',\n ]);\n\n /* Tags that are safe for data: URIs */\n let DATA_URI_TAGS = null;\n const DEFAULT_DATA_URI_TAGS = addToSet({}, [\n 'audio',\n 'video',\n 'img',\n 'source',\n 'image',\n 'track',\n ]);\n\n /* Attributes safe for values like \"javascript:\" */\n let URI_SAFE_ATTRIBUTES = null;\n const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, [\n 'alt',\n 'class',\n 'for',\n 'id',\n 'label',\n 'name',\n 'pattern',\n 'placeholder',\n 'role',\n 'summary',\n 'title',\n 'value',\n 'style',\n 'xmlns',\n ]);\n\n const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';\n const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';\n const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';\n /* Document namespace */\n let NAMESPACE = HTML_NAMESPACE;\n let IS_EMPTY_INPUT = false;\n\n /* Allowed XHTML+XML namespaces */\n let ALLOWED_NAMESPACES = null;\n const DEFAULT_ALLOWED_NAMESPACES = addToSet(\n {},\n [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE],\n stringToString\n );\n\n /* Parsing of strict XHTML documents */\n let PARSER_MEDIA_TYPE = null;\n const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];\n const DEFAULT_PARSER_MEDIA_TYPE = 'text/html';\n let transformCaseFunc = null;\n\n /* Keep a reference to config to pass to hooks */\n let CONFIG = null;\n\n /* Ideally, do not touch anything below this line */\n /* ______________________________________________ */\n\n const formElement = document.createElement('form');\n\n const isRegexOrFunction = function (testValue) {\n return testValue instanceof RegExp || testValue instanceof Function;\n };\n\n /**\n * _parseConfig\n *\n * @param {Object} cfg optional config literal\n */\n // eslint-disable-next-line complexity\n const _parseConfig = function (cfg = {}) {\n if (CONFIG && CONFIG === cfg) {\n return;\n }\n\n /* Shield configuration object from tampering */\n if (!cfg || typeof cfg !== 'object') {\n cfg = {};\n }\n\n /* Shield configuration object from prototype pollution */\n cfg = clone(cfg);\n\n PARSER_MEDIA_TYPE =\n // eslint-disable-next-line unicorn/prefer-includes\n SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1\n ? DEFAULT_PARSER_MEDIA_TYPE\n : cfg.PARSER_MEDIA_TYPE;\n\n // HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is.\n transformCaseFunc =\n PARSER_MEDIA_TYPE === 'application/xhtml+xml'\n ? stringToString\n : stringToLowerCase;\n\n /* Set configuration parameters */\n ALLOWED_TAGS = objectHasOwnProperty(cfg, 'ALLOWED_TAGS')\n ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc)\n : DEFAULT_ALLOWED_TAGS;\n ALLOWED_ATTR = objectHasOwnProperty(cfg, 'ALLOWED_ATTR')\n ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc)\n : DEFAULT_ALLOWED_ATTR;\n ALLOWED_NAMESPACES = objectHasOwnProperty(cfg, 'ALLOWED_NAMESPACES')\n ? addToSet({}, cfg.ALLOWED_NAMESPACES, stringToString)\n : DEFAULT_ALLOWED_NAMESPACES;\n URI_SAFE_ATTRIBUTES = objectHasOwnProperty(cfg, 'ADD_URI_SAFE_ATTR')\n ? addToSet(\n clone(DEFAULT_URI_SAFE_ATTRIBUTES), // eslint-disable-line indent\n cfg.ADD_URI_SAFE_ATTR, // eslint-disable-line indent\n transformCaseFunc // eslint-disable-line indent\n ) // eslint-disable-line indent\n : DEFAULT_URI_SAFE_ATTRIBUTES;\n DATA_URI_TAGS = objectHasOwnProperty(cfg, 'ADD_DATA_URI_TAGS')\n ? addToSet(\n clone(DEFAULT_DATA_URI_TAGS), // eslint-disable-line indent\n cfg.ADD_DATA_URI_TAGS, // eslint-disable-line indent\n transformCaseFunc // eslint-disable-line indent\n ) // eslint-disable-line indent\n : DEFAULT_DATA_URI_TAGS;\n FORBID_CONTENTS = objectHasOwnProperty(cfg, 'FORBID_CONTENTS')\n ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc)\n : DEFAULT_FORBID_CONTENTS;\n FORBID_TAGS = objectHasOwnProperty(cfg, 'FORBID_TAGS')\n ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc)\n : {};\n FORBID_ATTR = objectHasOwnProperty(cfg, 'FORBID_ATTR')\n ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc)\n : {};\n USE_PROFILES = objectHasOwnProperty(cfg, 'USE_PROFILES')\n ? cfg.USE_PROFILES\n : false;\n ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true\n ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true\n ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false\n ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true\n SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false\n SAFE_FOR_XML = cfg.SAFE_FOR_XML !== false; // Default true\n WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false\n RETURN_DOM = cfg.RETURN_DOM || false; // Default false\n RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false\n RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false\n FORCE_BODY = cfg.FORCE_BODY || false; // Default false\n SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true\n SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false\n KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true\n IN_PLACE = cfg.IN_PLACE || false; // Default false\n IS_ALLOWED_URI = cfg.ALLOWED_URI_REGEXP || EXPRESSIONS.IS_ALLOWED_URI;\n NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;\n CUSTOM_ELEMENT_HANDLING = cfg.CUSTOM_ELEMENT_HANDLING || {};\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)\n ) {\n CUSTOM_ELEMENT_HANDLING.tagNameCheck =\n cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck;\n }\n\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)\n ) {\n CUSTOM_ELEMENT_HANDLING.attributeNameCheck =\n cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck;\n }\n\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements ===\n 'boolean'\n ) {\n CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements =\n cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements;\n }\n\n if (SAFE_FOR_TEMPLATES) {\n ALLOW_DATA_ATTR = false;\n }\n\n if (RETURN_DOM_FRAGMENT) {\n RETURN_DOM = true;\n }\n\n /* Parse profile info */\n if (USE_PROFILES) {\n ALLOWED_TAGS = addToSet({}, TAGS.text);\n ALLOWED_ATTR = [];\n if (USE_PROFILES.html === true) {\n addToSet(ALLOWED_TAGS, TAGS.html);\n addToSet(ALLOWED_ATTR, ATTRS.html);\n }\n\n if (USE_PROFILES.svg === true) {\n addToSet(ALLOWED_TAGS, TAGS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.svgFilters === true) {\n addToSet(ALLOWED_TAGS, TAGS.svgFilters);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.mathMl === true) {\n addToSet(ALLOWED_TAGS, TAGS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n }\n\n /* Merge configuration parameters */\n if (cfg.ADD_TAGS) {\n if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {\n ALLOWED_TAGS = clone(ALLOWED_TAGS);\n }\n\n addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);\n }\n\n if (cfg.ADD_ATTR) {\n if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {\n ALLOWED_ATTR = clone(ALLOWED_ATTR);\n }\n\n addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);\n }\n\n if (cfg.ADD_URI_SAFE_ATTR) {\n addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);\n }\n\n if (cfg.FORBID_CONTENTS) {\n if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {\n FORBID_CONTENTS = clone(FORBID_CONTENTS);\n }\n\n addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);\n }\n\n /* Add #text in case KEEP_CONTENT is set to true */\n if (KEEP_CONTENT) {\n ALLOWED_TAGS['#text'] = true;\n }\n\n /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */\n if (WHOLE_DOCUMENT) {\n addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);\n }\n\n /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */\n if (ALLOWED_TAGS.table) {\n addToSet(ALLOWED_TAGS, ['tbody']);\n delete FORBID_TAGS.tbody;\n }\n\n if (cfg.TRUSTED_TYPES_POLICY) {\n if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') {\n throw typeErrorCreate(\n 'TRUSTED_TYPES_POLICY configuration option must provide a \"createHTML\" hook.'\n );\n }\n\n if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') {\n throw typeErrorCreate(\n 'TRUSTED_TYPES_POLICY configuration option must provide a \"createScriptURL\" hook.'\n );\n }\n\n // Overwrite existing TrustedTypes policy.\n trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY;\n\n // Sign local variables required by `sanitize`.\n emptyHTML = trustedTypesPolicy.createHTML('');\n } else {\n // Uninitialized policy, attempt to initialize the internal dompurify policy.\n if (trustedTypesPolicy === undefined) {\n trustedTypesPolicy = _createTrustedTypesPolicy(\n trustedTypes,\n currentScript\n );\n }\n\n // If creating the internal policy succeeded sign internal variables.\n if (trustedTypesPolicy !== null && typeof emptyHTML === 'string') {\n emptyHTML = trustedTypesPolicy.createHTML('');\n }\n }\n\n // Prevent further manipulation of configuration.\n // Not available in IE8, Safari 5, etc.\n if (freeze) {\n freeze(cfg);\n }\n\n CONFIG = cfg;\n };\n\n const MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, [\n 'mi',\n 'mo',\n 'mn',\n 'ms',\n 'mtext',\n ]);\n\n const HTML_INTEGRATION_POINTS = addToSet({}, [\n 'foreignobject',\n 'annotation-xml',\n ]);\n\n // Certain elements are allowed in both SVG and HTML\n // namespace. We need to specify them explicitly\n // so that they don't get erroneously deleted from\n // HTML namespace.\n const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, [\n 'title',\n 'style',\n 'font',\n 'a',\n 'script',\n ]);\n\n /* Keep track of all possible SVG and MathML tags\n * so that we can perform the namespace checks\n * correctly. */\n const ALL_SVG_TAGS = addToSet({}, [\n ...TAGS.svg,\n ...TAGS.svgFilters,\n ...TAGS.svgDisallowed,\n ]);\n const ALL_MATHML_TAGS = addToSet({}, [\n ...TAGS.mathMl,\n ...TAGS.mathMlDisallowed,\n ]);\n\n /**\n * @param {Element} element a DOM element whose namespace is being checked\n * @returns {boolean} Return false if the element has a\n * namespace that a spec-compliant parser would never\n * return. Return true otherwise.\n */\n const _checkValidNamespace = function (element) {\n let parent = getParentNode(element);\n\n // In JSDOM, if we're inside shadow DOM, then parentNode\n // can be null. We just simulate parent in this case.\n if (!parent || !parent.tagName) {\n parent = {\n namespaceURI: NAMESPACE,\n tagName: 'template',\n };\n }\n\n const tagName = stringToLowerCase(element.tagName);\n const parentTagName = stringToLowerCase(parent.tagName);\n\n if (!ALLOWED_NAMESPACES[element.namespaceURI]) {\n return false;\n }\n\n if (element.namespaceURI === SVG_NAMESPACE) {\n // The only way to switch from HTML namespace to SVG\n // is via . If it happens via any other tag, then\n // it should be killed.\n if (parent.namespaceURI === HTML_NAMESPACE) {\n return tagName === 'svg';\n }\n\n // The only way to switch from MathML to SVG is via`\n // svg if parent is either or MathML\n // text integration points.\n if (parent.namespaceURI === MATHML_NAMESPACE) {\n return (\n tagName === 'svg' &&\n (parentTagName === 'annotation-xml' ||\n MATHML_TEXT_INTEGRATION_POINTS[parentTagName])\n );\n }\n\n // We only allow elements that are defined in SVG\n // spec. All others are disallowed in SVG namespace.\n return Boolean(ALL_SVG_TAGS[tagName]);\n }\n\n if (element.namespaceURI === MATHML_NAMESPACE) {\n // The only way to switch from HTML namespace to MathML\n // is via . If it happens via any other tag, then\n // it should be killed.\n if (parent.namespaceURI === HTML_NAMESPACE) {\n return tagName === 'math';\n }\n\n // The only way to switch from SVG to MathML is via\n // and HTML integration points\n if (parent.namespaceURI === SVG_NAMESPACE) {\n return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];\n }\n\n // We only allow elements that are defined in MathML\n // spec. All others are disallowed in MathML namespace.\n return Boolean(ALL_MATHML_TAGS[tagName]);\n }\n\n if (element.namespaceURI === HTML_NAMESPACE) {\n // The only way to switch from SVG to HTML is via\n // HTML integration points, and from MathML to HTML\n // is via MathML text integration points\n if (\n parent.namespaceURI === SVG_NAMESPACE &&\n !HTML_INTEGRATION_POINTS[parentTagName]\n ) {\n return false;\n }\n\n if (\n parent.namespaceURI === MATHML_NAMESPACE &&\n !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]\n ) {\n return false;\n }\n\n // We disallow tags that are specific for MathML\n // or SVG and should never appear in HTML namespace\n return (\n !ALL_MATHML_TAGS[tagName] &&\n (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName])\n );\n }\n\n // For XHTML and XML documents that support custom namespaces\n if (\n PARSER_MEDIA_TYPE === 'application/xhtml+xml' &&\n ALLOWED_NAMESPACES[element.namespaceURI]\n ) {\n return true;\n }\n\n // The code should never reach this place (this means\n // that the element somehow got namespace that is not\n // HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES).\n // Return false just in case.\n return false;\n };\n\n /**\n * _forceRemove\n *\n * @param {Node} node a DOM node\n */\n const _forceRemove = function (node) {\n arrayPush(DOMPurify.removed, { element: node });\n\n try {\n // eslint-disable-next-line unicorn/prefer-dom-node-remove\n getParentNode(node).removeChild(node);\n } catch (_) {\n remove(node);\n }\n };\n\n /**\n * _removeAttribute\n *\n * @param {String} name an Attribute name\n * @param {Node} node a DOM node\n */\n const _removeAttribute = function (name, node) {\n try {\n arrayPush(DOMPurify.removed, {\n attribute: node.getAttributeNode(name),\n from: node,\n });\n } catch (_) {\n arrayPush(DOMPurify.removed, {\n attribute: null,\n from: node,\n });\n }\n\n node.removeAttribute(name);\n\n // We void attribute values for unremovable \"is\"\" attributes\n if (name === 'is' && !ALLOWED_ATTR[name]) {\n if (RETURN_DOM || RETURN_DOM_FRAGMENT) {\n try {\n _forceRemove(node);\n } catch (_) {}\n } else {\n try {\n node.setAttribute(name, '');\n } catch (_) {}\n }\n }\n };\n\n /**\n * _initDocument\n *\n * @param {String} dirty a string of dirty markup\n * @return {Document} a DOM, filled with the dirty markup\n */\n const _initDocument = function (dirty) {\n /* Create a HTML document */\n let doc = null;\n let leadingWhitespace = null;\n\n if (FORCE_BODY) {\n dirty = '' + dirty;\n } else {\n /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */\n const matches = stringMatch(dirty, /^[\\r\\n\\t ]+/);\n leadingWhitespace = matches && matches[0];\n }\n\n if (\n PARSER_MEDIA_TYPE === 'application/xhtml+xml' &&\n NAMESPACE === HTML_NAMESPACE\n ) {\n // Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict)\n dirty =\n '' +\n dirty +\n '';\n }\n\n const dirtyPayload = trustedTypesPolicy\n ? trustedTypesPolicy.createHTML(dirty)\n : dirty;\n /*\n * Use the DOMParser API by default, fallback later if needs be\n * DOMParser not work for svg when has multiple root element.\n */\n if (NAMESPACE === HTML_NAMESPACE) {\n try {\n doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);\n } catch (_) {}\n }\n\n /* Use createHTMLDocument in case DOMParser is not available */\n if (!doc || !doc.documentElement) {\n doc = implementation.createDocument(NAMESPACE, 'template', null);\n try {\n doc.documentElement.innerHTML = IS_EMPTY_INPUT\n ? emptyHTML\n : dirtyPayload;\n } catch (_) {\n // Syntax error if dirtyPayload is invalid xml\n }\n }\n\n const body = doc.body || doc.documentElement;\n\n if (dirty && leadingWhitespace) {\n body.insertBefore(\n document.createTextNode(leadingWhitespace),\n body.childNodes[0] || null\n );\n }\n\n /* Work on whole document or just its body */\n if (NAMESPACE === HTML_NAMESPACE) {\n return getElementsByTagName.call(\n doc,\n WHOLE_DOCUMENT ? 'html' : 'body'\n )[0];\n }\n\n return WHOLE_DOCUMENT ? doc.documentElement : body;\n };\n\n /**\n * Creates a NodeIterator object that you can use to traverse filtered lists of nodes or elements in a document.\n *\n * @param {Node} root The root element or node to start traversing on.\n * @return {NodeIterator} The created NodeIterator\n */\n const _createNodeIterator = function (root) {\n return createNodeIterator.call(\n root.ownerDocument || root,\n root,\n // eslint-disable-next-line no-bitwise\n NodeFilter.SHOW_ELEMENT |\n NodeFilter.SHOW_COMMENT |\n NodeFilter.SHOW_TEXT |\n NodeFilter.SHOW_PROCESSING_INSTRUCTION |\n NodeFilter.SHOW_CDATA_SECTION,\n null\n );\n };\n\n /**\n * _isClobbered\n *\n * @param {Node} elm element to check for clobbering attacks\n * @return {Boolean} true if clobbered, false if safe\n */\n const _isClobbered = function (elm) {\n return (\n elm instanceof HTMLFormElement &&\n (typeof elm.nodeName !== 'string' ||\n typeof elm.textContent !== 'string' ||\n typeof elm.removeChild !== 'function' ||\n !(elm.attributes instanceof NamedNodeMap) ||\n typeof elm.removeAttribute !== 'function' ||\n typeof elm.setAttribute !== 'function' ||\n typeof elm.namespaceURI !== 'string' ||\n typeof elm.insertBefore !== 'function' ||\n typeof elm.hasChildNodes !== 'function')\n );\n };\n\n /**\n * Checks whether the given object is a DOM node.\n *\n * @param {Node} object object to check whether it's a DOM node\n * @return {Boolean} true is object is a DOM node\n */\n const _isNode = function (object) {\n return typeof Node === 'function' && object instanceof Node;\n };\n\n /**\n * _executeHook\n * Execute user configurable hooks\n *\n * @param {String} entryPoint Name of the hook's entry point\n * @param {Node} currentNode node to work on with the hook\n * @param {Object} data additional hook parameters\n */\n const _executeHook = function (entryPoint, currentNode, data) {\n if (!hooks[entryPoint]) {\n return;\n }\n\n arrayForEach(hooks[entryPoint], (hook) => {\n hook.call(DOMPurify, currentNode, data, CONFIG);\n });\n };\n\n /**\n * _sanitizeElements\n *\n * @protect nodeName\n * @protect textContent\n * @protect removeChild\n *\n * @param {Node} currentNode to check for permission to exist\n * @return {Boolean} true if node was killed, false if left alive\n */\n const _sanitizeElements = function (currentNode) {\n let content = null;\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeElements', currentNode, null);\n\n /* Check if element is clobbered or can clobber */\n if (_isClobbered(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Now let's check the element's type and name */\n const tagName = transformCaseFunc(currentNode.nodeName);\n\n /* Execute a hook if present */\n _executeHook('uponSanitizeElement', currentNode, {\n tagName,\n allowedTags: ALLOWED_TAGS,\n });\n\n /* Detect mXSS attempts abusing namespace confusion */\n if (\n currentNode.hasChildNodes() &&\n !_isNode(currentNode.firstElementChild) &&\n regExpTest(/<[/\\w]/g, currentNode.innerHTML) &&\n regExpTest(/<[/\\w]/g, currentNode.textContent)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove any occurrence of processing instructions */\n if (currentNode.nodeType === NODE_TYPE.progressingInstruction) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove any kind of possibly harmful comments */\n if (\n SAFE_FOR_XML &&\n currentNode.nodeType === NODE_TYPE.comment &&\n regExpTest(/<[/\\w]/g, currentNode.data)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove element if anything forbids its presence */\n if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n /* Check if we have a custom element to handle */\n if (!FORBID_TAGS[tagName] && _isBasicCustomElement(tagName)) {\n if (\n CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)\n ) {\n return false;\n }\n\n if (\n CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)\n ) {\n return false;\n }\n }\n\n /* Keep content except for bad-listed elements */\n if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {\n const parentNode = getParentNode(currentNode) || currentNode.parentNode;\n const childNodes = getChildNodes(currentNode) || currentNode.childNodes;\n\n if (childNodes && parentNode) {\n const childCount = childNodes.length;\n\n for (let i = childCount - 1; i >= 0; --i) {\n const childClone = cloneNode(childNodes[i], true);\n childClone.__removalCount = (currentNode.__removalCount || 0) + 1;\n parentNode.insertBefore(childClone, getNextSibling(currentNode));\n }\n }\n }\n\n _forceRemove(currentNode);\n return true;\n }\n\n /* Check whether element has a valid namespace */\n if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Make sure that older browsers don't get fallback-tag mXSS */\n if (\n (tagName === 'noscript' ||\n tagName === 'noembed' ||\n tagName === 'noframes') &&\n regExpTest(/<\\/no(script|embed|frames)/i, currentNode.innerHTML)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Sanitize element content to be template-safe */\n if (SAFE_FOR_TEMPLATES && currentNode.nodeType === NODE_TYPE.text) {\n /* Get the element's text content */\n content = currentNode.textContent;\n\n arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], (expr) => {\n content = stringReplace(content, expr, ' ');\n });\n\n if (currentNode.textContent !== content) {\n arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });\n currentNode.textContent = content;\n }\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeElements', currentNode, null);\n\n return false;\n };\n\n /**\n * _isValidAttribute\n *\n * @param {string} lcTag Lowercase tag name of containing element.\n * @param {string} lcName Lowercase attribute name.\n * @param {string} value Attribute value.\n * @return {Boolean} Returns true if `value` is valid, otherwise false.\n */\n // eslint-disable-next-line complexity\n const _isValidAttribute = function (lcTag, lcName, value) {\n /* Make sure attribute cannot clobber */\n if (\n SANITIZE_DOM &&\n (lcName === 'id' || lcName === 'name') &&\n (value in document || value in formElement)\n ) {\n return false;\n }\n\n /* Allow valid data-* attributes: At least one character after \"-\"\n (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)\n XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)\n We don't need to check the value; it's always URI safe. */\n if (\n ALLOW_DATA_ATTR &&\n !FORBID_ATTR[lcName] &&\n regExpTest(DATA_ATTR, lcName)\n ) {\n // This attribute is safe\n } else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR, lcName)) {\n // This attribute is safe\n /* Otherwise, check the name is permitted */\n } else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {\n if (\n // First condition does a very basic check if a) it's basically a valid custom element tagname AND\n // b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n // and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck\n (_isBasicCustomElement(lcTag) &&\n ((CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, lcTag)) ||\n (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(lcTag))) &&\n ((CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.attributeNameCheck, lcName)) ||\n (CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.attributeNameCheck(lcName)))) ||\n // Alternative, second condition checks if it's an `is`-attribute, AND\n // the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n (lcName === 'is' &&\n CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements &&\n ((CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, value)) ||\n (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(value))))\n ) {\n // If user has supplied a regexp or function in CUSTOM_ELEMENT_HANDLING.tagNameCheck, we need to also allow derived custom elements using the same tagName test.\n // Additionally, we need to allow attributes passing the CUSTOM_ELEMENT_HANDLING.attributeNameCheck user has configured, as custom elements can define these at their own discretion.\n } else {\n return false;\n }\n /* Check value is safe. First, is attr inert? If so, is safe */\n } else if (URI_SAFE_ATTRIBUTES[lcName]) {\n // This attribute is safe\n /* Check no script, data or unknown possibly unsafe URI\n unless we know URI values are safe for that attribute */\n } else if (\n regExpTest(IS_ALLOWED_URI, stringReplace(value, ATTR_WHITESPACE, ''))\n ) {\n // This attribute is safe\n /* Keep image data URIs alive if src/xlink:href is allowed */\n /* Further prevent gadget XSS for dynamically built script tags */\n } else if (\n (lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') &&\n lcTag !== 'script' &&\n stringIndexOf(value, 'data:') === 0 &&\n DATA_URI_TAGS[lcTag]\n ) {\n // This attribute is safe\n /* Allow unknown protocols: This provides support for links that\n are handled by protocol handlers which may be unknown ahead of\n time, e.g. fb:, spotify: */\n } else if (\n ALLOW_UNKNOWN_PROTOCOLS &&\n !regExpTest(IS_SCRIPT_OR_DATA, stringReplace(value, ATTR_WHITESPACE, ''))\n ) {\n // This attribute is safe\n /* Check for binary attributes */\n } else if (value) {\n return false;\n } else {\n // Binary attributes are safe at this point\n /* Anything else, presume unsafe, do not add it back */\n }\n\n return true;\n };\n\n /**\n * _isBasicCustomElement\n * checks if at least one dash is included in tagName, and it's not the first char\n * for more sophisticated checking see https://github.com/sindresorhus/validate-element-name\n *\n * @param {string} tagName name of the tag of the node to sanitize\n * @returns {boolean} Returns true if the tag name meets the basic criteria for a custom element, otherwise false.\n */\n const _isBasicCustomElement = function (tagName) {\n return tagName !== 'annotation-xml' && stringMatch(tagName, CUSTOM_ELEMENT);\n };\n\n /**\n * _sanitizeAttributes\n *\n * @protect attributes\n * @protect nodeName\n * @protect removeAttribute\n * @protect setAttribute\n *\n * @param {Node} currentNode to sanitize\n */\n const _sanitizeAttributes = function (currentNode) {\n /* Execute a hook if present */\n _executeHook('beforeSanitizeAttributes', currentNode, null);\n\n const { attributes } = currentNode;\n\n /* Check if we have attributes; if not we might have a text node */\n if (!attributes) {\n return;\n }\n\n const hookEvent = {\n attrName: '',\n attrValue: '',\n keepAttr: true,\n allowedAttributes: ALLOWED_ATTR,\n };\n let l = attributes.length;\n\n /* Go backwards over all attributes; safely remove bad ones */\n while (l--) {\n const attr = attributes[l];\n const { name, namespaceURI, value: attrValue } = attr;\n const lcName = transformCaseFunc(name);\n\n let value = name === 'value' ? attrValue : stringTrim(attrValue);\n\n /* Execute a hook if present */\n hookEvent.attrName = lcName;\n hookEvent.attrValue = value;\n hookEvent.keepAttr = true;\n hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set\n _executeHook('uponSanitizeAttribute', currentNode, hookEvent);\n value = hookEvent.attrValue;\n\n /* Work around a security issue with comments inside attributes */\n if (SAFE_FOR_XML && regExpTest(/((--!?|])>)|<\\/(style|title)/i, value)) {\n _removeAttribute(name, currentNode);\n continue;\n }\n\n /* Did the hooks approve of the attribute? */\n if (hookEvent.forceKeepAttr) {\n continue;\n }\n\n /* Remove attribute */\n _removeAttribute(name, currentNode);\n\n /* Did the hooks approve of the attribute? */\n if (!hookEvent.keepAttr) {\n continue;\n }\n\n /* Work around a security issue in jQuery 3.0 */\n if (!ALLOW_SELF_CLOSE_IN_ATTR && regExpTest(/\\/>/i, value)) {\n _removeAttribute(name, currentNode);\n continue;\n }\n\n /* Sanitize attribute content to be template-safe */\n if (SAFE_FOR_TEMPLATES) {\n arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], (expr) => {\n value = stringReplace(value, expr, ' ');\n });\n }\n\n /* Is `value` valid for this attribute? */\n const lcTag = transformCaseFunc(currentNode.nodeName);\n if (!_isValidAttribute(lcTag, lcName, value)) {\n continue;\n }\n\n /* Full DOM Clobbering protection via namespace isolation,\n * Prefix id and name attributes with `user-content-`\n */\n if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) {\n // Remove the attribute with this value\n _removeAttribute(name, currentNode);\n\n // Prefix the value and later re-create the attribute with the sanitized value\n value = SANITIZE_NAMED_PROPS_PREFIX + value;\n }\n\n /* Handle attributes that require Trusted Types */\n if (\n trustedTypesPolicy &&\n typeof trustedTypes === 'object' &&\n typeof trustedTypes.getAttributeType === 'function'\n ) {\n if (namespaceURI) {\n /* Namespaces are not yet supported, see https://bugs.chromium.org/p/chromium/issues/detail?id=1305293 */\n } else {\n switch (trustedTypes.getAttributeType(lcTag, lcName)) {\n case 'TrustedHTML': {\n value = trustedTypesPolicy.createHTML(value);\n break;\n }\n\n case 'TrustedScriptURL': {\n value = trustedTypesPolicy.createScriptURL(value);\n break;\n }\n\n default: {\n break;\n }\n }\n }\n }\n\n /* Handle invalid data-* attribute set by try-catching it */\n try {\n if (namespaceURI) {\n currentNode.setAttributeNS(namespaceURI, name, value);\n } else {\n /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. \"x-schema\". */\n currentNode.setAttribute(name, value);\n }\n\n if (_isClobbered(currentNode)) {\n _forceRemove(currentNode);\n } else {\n arrayPop(DOMPurify.removed);\n }\n } catch (_) {}\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeAttributes', currentNode, null);\n };\n\n /**\n * _sanitizeShadowDOM\n *\n * @param {DocumentFragment} fragment to iterate over recursively\n */\n const _sanitizeShadowDOM = function (fragment) {\n let shadowNode = null;\n const shadowIterator = _createNodeIterator(fragment);\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeShadowDOM', fragment, null);\n\n while ((shadowNode = shadowIterator.nextNode())) {\n /* Execute a hook if present */\n _executeHook('uponSanitizeShadowNode', shadowNode, null);\n\n /* Sanitize tags and elements */\n if (_sanitizeElements(shadowNode)) {\n continue;\n }\n\n /* Deep shadow DOM detected */\n if (shadowNode.content instanceof DocumentFragment) {\n _sanitizeShadowDOM(shadowNode.content);\n }\n\n /* Check attributes, sanitize if necessary */\n _sanitizeAttributes(shadowNode);\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeShadowDOM', fragment, null);\n };\n\n /**\n * Sanitize\n * Public method providing core sanitation functionality\n *\n * @param {String|Node} dirty string or DOM node\n * @param {Object} cfg object\n */\n // eslint-disable-next-line complexity\n DOMPurify.sanitize = function (dirty, cfg = {}) {\n let body = null;\n let importedNode = null;\n let currentNode = null;\n let returnNode = null;\n /* Make sure we have a string to sanitize.\n DO NOT return early, as this will return the wrong type if\n the user has requested a DOM object rather than a string */\n IS_EMPTY_INPUT = !dirty;\n if (IS_EMPTY_INPUT) {\n dirty = '';\n }\n\n /* Stringify, in case dirty is an object */\n if (typeof dirty !== 'string' && !_isNode(dirty)) {\n if (typeof dirty.toString === 'function') {\n dirty = dirty.toString();\n if (typeof dirty !== 'string') {\n throw typeErrorCreate('dirty is not a string, aborting');\n }\n } else {\n throw typeErrorCreate('toString is not a function');\n }\n }\n\n /* Return dirty HTML if DOMPurify cannot run */\n if (!DOMPurify.isSupported) {\n return dirty;\n }\n\n /* Assign config vars */\n if (!SET_CONFIG) {\n _parseConfig(cfg);\n }\n\n /* Clean up removed elements */\n DOMPurify.removed = [];\n\n /* Check if dirty is correctly typed for IN_PLACE */\n if (typeof dirty === 'string') {\n IN_PLACE = false;\n }\n\n if (IN_PLACE) {\n /* Do some early pre-sanitization to avoid unsafe root nodes */\n if (dirty.nodeName) {\n const tagName = transformCaseFunc(dirty.nodeName);\n if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n throw typeErrorCreate(\n 'root node is forbidden and cannot be sanitized in-place'\n );\n }\n }\n } else if (dirty instanceof Node) {\n /* If dirty is a DOM element, append to an empty document to avoid\n elements being stripped by the parser */\n body = _initDocument('');\n importedNode = body.ownerDocument.importNode(dirty, true);\n if (\n importedNode.nodeType === NODE_TYPE.element &&\n importedNode.nodeName === 'BODY'\n ) {\n /* Node is already a body, use as is */\n body = importedNode;\n } else if (importedNode.nodeName === 'HTML') {\n body = importedNode;\n } else {\n // eslint-disable-next-line unicorn/prefer-dom-node-append\n body.appendChild(importedNode);\n }\n } else {\n /* Exit directly if we have nothing to do */\n if (\n !RETURN_DOM &&\n !SAFE_FOR_TEMPLATES &&\n !WHOLE_DOCUMENT &&\n // eslint-disable-next-line unicorn/prefer-includes\n dirty.indexOf('<') === -1\n ) {\n return trustedTypesPolicy && RETURN_TRUSTED_TYPE\n ? trustedTypesPolicy.createHTML(dirty)\n : dirty;\n }\n\n /* Initialize the document to work on */\n body = _initDocument(dirty);\n\n /* Check we have a DOM node from the data */\n if (!body) {\n return RETURN_DOM ? null : RETURN_TRUSTED_TYPE ? emptyHTML : '';\n }\n }\n\n /* Remove first element node (ours) if FORCE_BODY is set */\n if (body && FORCE_BODY) {\n _forceRemove(body.firstChild);\n }\n\n /* Get node iterator */\n const nodeIterator = _createNodeIterator(IN_PLACE ? dirty : body);\n\n /* Now start iterating over the created document */\n while ((currentNode = nodeIterator.nextNode())) {\n /* Sanitize tags and elements */\n if (_sanitizeElements(currentNode)) {\n continue;\n }\n\n /* Shadow DOM detected, sanitize it */\n if (currentNode.content instanceof DocumentFragment) {\n _sanitizeShadowDOM(currentNode.content);\n }\n\n /* Check attributes, sanitize if necessary */\n _sanitizeAttributes(currentNode);\n }\n\n /* If we sanitized `dirty` in-place, return it. */\n if (IN_PLACE) {\n return dirty;\n }\n\n /* Return sanitized string or DOM */\n if (RETURN_DOM) {\n if (RETURN_DOM_FRAGMENT) {\n returnNode = createDocumentFragment.call(body.ownerDocument);\n\n while (body.firstChild) {\n // eslint-disable-next-line unicorn/prefer-dom-node-append\n returnNode.appendChild(body.firstChild);\n }\n } else {\n returnNode = body;\n }\n\n if (ALLOWED_ATTR.shadowroot || ALLOWED_ATTR.shadowrootmode) {\n /*\n AdoptNode() is not used because internal state is not reset\n (e.g. the past names map of a HTMLFormElement), this is safe\n in theory but we would rather not risk another attack vector.\n The state that is cloned by importNode() is explicitly defined\n by the specs.\n */\n returnNode = importNode.call(originalDocument, returnNode, true);\n }\n\n return returnNode;\n }\n\n let serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;\n\n /* Serialize doctype if allowed */\n if (\n WHOLE_DOCUMENT &&\n ALLOWED_TAGS['!doctype'] &&\n body.ownerDocument &&\n body.ownerDocument.doctype &&\n 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\ No newline at end of file diff --git a/public/scripts/purify.min.js.map b/public/scripts/purify.min.js.map new file mode 100644 index 00000000..af5eff08 --- /dev/null +++ b/public/scripts/purify.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"purify.min.js","sources":["../src/utils.js","../src/tags.js","../src/attrs.js","../src/regexp.js","../src/purify.js"],"sourcesContent":["const {\n entries,\n setPrototypeOf,\n isFrozen,\n getPrototypeOf,\n getOwnPropertyDescriptor,\n} = Object;\n\nlet { freeze, seal, create } = Object; // eslint-disable-line import/no-mutable-exports\nlet { apply, construct } = typeof Reflect !== 'undefined' && Reflect;\n\nif (!freeze) {\n freeze = function (x) {\n return x;\n };\n}\n\nif (!seal) {\n seal = function (x) {\n return x;\n };\n}\n\nif (!apply) {\n apply = function (fun, thisValue, args) {\n return fun.apply(thisValue, args);\n };\n}\n\nif (!construct) {\n construct = function (Func, args) {\n return new Func(...args);\n };\n}\n\nconst arrayForEach = unapply(Array.prototype.forEach);\nconst arrayIndexOf = unapply(Array.prototype.indexOf);\nconst arrayPop = unapply(Array.prototype.pop);\nconst arrayPush = unapply(Array.prototype.push);\nconst arraySlice = unapply(Array.prototype.slice);\n\nconst stringToLowerCase = unapply(String.prototype.toLowerCase);\nconst stringToString = unapply(String.prototype.toString);\nconst stringMatch = unapply(String.prototype.match);\nconst stringReplace = unapply(String.prototype.replace);\nconst stringIndexOf = unapply(String.prototype.indexOf);\nconst stringTrim = unapply(String.prototype.trim);\n\nconst objectHasOwnProperty = unapply(Object.prototype.hasOwnProperty);\n\nconst regExpTest = unapply(RegExp.prototype.test);\n\nconst typeErrorCreate = unconstruct(TypeError);\n\n/**\n * Creates a new function that calls the given function with a specified thisArg and arguments.\n *\n * @param {Function} func - The function to be wrapped and called.\n * @returns {Function} A new function that calls the given function with a specified thisArg and arguments.\n */\nfunction unapply(func) {\n return (thisArg, ...args) => apply(func, thisArg, args);\n}\n\n/**\n * Creates a new function that constructs an instance of the given constructor function with the provided arguments.\n *\n * @param {Function} func - The constructor function to be wrapped and called.\n * @returns {Function} A new function that constructs an instance of the given constructor function with the provided arguments.\n */\nfunction unconstruct(func) {\n return (...args) => construct(func, args);\n}\n\n/**\n * Add properties to a lookup table\n *\n * @param {Object} set - The set to which elements will be added.\n * @param {Array} array - The array containing elements to be added to the set.\n * @param {Function} transformCaseFunc - An optional function to transform the case of each element before adding to the set.\n * @returns {Object} The modified set with added elements.\n */\nfunction addToSet(set, array, transformCaseFunc = stringToLowerCase) {\n if (setPrototypeOf) {\n // Make 'in' and truthy checks like Boolean(set.constructor)\n // independent of any properties defined on Object.prototype.\n // Prevent prototype setters from intercepting set as a this value.\n setPrototypeOf(set, null);\n }\n\n let l = array.length;\n while (l--) {\n let element = array[l];\n if (typeof element === 'string') {\n const lcElement = transformCaseFunc(element);\n if (lcElement !== element) {\n // Config presets (e.g. tags.js, attrs.js) are immutable.\n if (!isFrozen(array)) {\n array[l] = lcElement;\n }\n\n element = lcElement;\n }\n }\n\n set[element] = true;\n }\n\n return set;\n}\n\n/**\n * Clean up an array to harden against CSPP\n *\n * @param {Array} array - The array to be cleaned.\n * @returns {Array} The cleaned version of the array\n */\nfunction cleanArray(array) {\n for (let index = 0; index < array.length; index++) {\n const isPropertyExist = objectHasOwnProperty(array, index);\n\n if (!isPropertyExist) {\n array[index] = null;\n }\n }\n\n return array;\n}\n\n/**\n * Shallow clone an object\n *\n * @param {Object} object - The object to be cloned.\n * @returns {Object} A new object that copies the original.\n */\nfunction clone(object) {\n const newObject = create(null);\n\n for (const [property, value] of entries(object)) {\n const isPropertyExist = objectHasOwnProperty(object, property);\n\n if (isPropertyExist) {\n if (Array.isArray(value)) {\n newObject[property] = cleanArray(value);\n } else if (\n value &&\n typeof value === 'object' &&\n value.constructor === Object\n ) {\n newObject[property] = clone(value);\n } else {\n newObject[property] = value;\n }\n }\n }\n\n return newObject;\n}\n\n/**\n * This method automatically checks if the prop is function or getter and behaves accordingly.\n *\n * @param {Object} object - The object to look up the getter function in its prototype chain.\n * @param {String} prop - The property name for which to find the getter function.\n * @returns {Function} The getter function found in the prototype chain or a fallback function.\n */\nfunction lookupGetter(object, prop) {\n while (object !== null) {\n const desc = getOwnPropertyDescriptor(object, prop);\n\n if (desc) {\n if (desc.get) {\n return unapply(desc.get);\n }\n\n if (typeof desc.value === 'function') {\n return unapply(desc.value);\n }\n }\n\n object = getPrototypeOf(object);\n }\n\n function fallbackValue() {\n return null;\n }\n\n return fallbackValue;\n}\n\nexport {\n // Array\n arrayForEach,\n arrayIndexOf,\n arrayPop,\n arrayPush,\n arraySlice,\n // Object\n entries,\n freeze,\n getPrototypeOf,\n getOwnPropertyDescriptor,\n isFrozen,\n setPrototypeOf,\n seal,\n clone,\n create,\n objectHasOwnProperty,\n // RegExp\n regExpTest,\n // String\n stringIndexOf,\n stringMatch,\n stringReplace,\n stringToLowerCase,\n stringToString,\n stringTrim,\n // Errors\n typeErrorCreate,\n // Other\n lookupGetter,\n addToSet,\n // Reflect\n unapply,\n unconstruct,\n};\n","import { freeze } from './utils.js';\n\nexport const html = freeze([\n 'a',\n 'abbr',\n 'acronym',\n 'address',\n 'area',\n 'article',\n 'aside',\n 'audio',\n 'b',\n 'bdi',\n 'bdo',\n 'big',\n 'blink',\n 'blockquote',\n 'body',\n 'br',\n 'button',\n 'canvas',\n 'caption',\n 'center',\n 'cite',\n 'code',\n 'col',\n 'colgroup',\n 'content',\n 'data',\n 'datalist',\n 'dd',\n 'decorator',\n 'del',\n 'details',\n 'dfn',\n 'dialog',\n 'dir',\n 'div',\n 'dl',\n 'dt',\n 'element',\n 'em',\n 'fieldset',\n 'figcaption',\n 'figure',\n 'font',\n 'footer',\n 'form',\n 'h1',\n 'h2',\n 'h3',\n 'h4',\n 'h5',\n 'h6',\n 'head',\n 'header',\n 'hgroup',\n 'hr',\n 'html',\n 'i',\n 'img',\n 'input',\n 'ins',\n 'kbd',\n 'label',\n 'legend',\n 'li',\n 'main',\n 'map',\n 'mark',\n 'marquee',\n 'menu',\n 'menuitem',\n 'meter',\n 'nav',\n 'nobr',\n 'ol',\n 'optgroup',\n 'option',\n 'output',\n 'p',\n 'picture',\n 'pre',\n 'progress',\n 'q',\n 'rp',\n 'rt',\n 'ruby',\n 's',\n 'samp',\n 'section',\n 'select',\n 'shadow',\n 'small',\n 'source',\n 'spacer',\n 'span',\n 'strike',\n 'strong',\n 'style',\n 'sub',\n 'summary',\n 'sup',\n 'table',\n 'tbody',\n 'td',\n 'template',\n 'textarea',\n 'tfoot',\n 'th',\n 'thead',\n 'time',\n 'tr',\n 'track',\n 'tt',\n 'u',\n 'ul',\n 'var',\n 'video',\n 'wbr',\n]);\n\n// SVG\nexport const svg = freeze([\n 'svg',\n 'a',\n 'altglyph',\n 'altglyphdef',\n 'altglyphitem',\n 'animatecolor',\n 'animatemotion',\n 'animatetransform',\n 'circle',\n 'clippath',\n 'defs',\n 'desc',\n 'ellipse',\n 'filter',\n 'font',\n 'g',\n 'glyph',\n 'glyphref',\n 'hkern',\n 'image',\n 'line',\n 'lineargradient',\n 'marker',\n 'mask',\n 'metadata',\n 'mpath',\n 'path',\n 'pattern',\n 'polygon',\n 'polyline',\n 'radialgradient',\n 'rect',\n 'stop',\n 'style',\n 'switch',\n 'symbol',\n 'text',\n 'textpath',\n 'title',\n 'tref',\n 'tspan',\n 'view',\n 'vkern',\n]);\n\nexport const svgFilters = freeze([\n 'feBlend',\n 'feColorMatrix',\n 'feComponentTransfer',\n 'feComposite',\n 'feConvolveMatrix',\n 'feDiffuseLighting',\n 'feDisplacementMap',\n 'feDistantLight',\n 'feDropShadow',\n 'feFlood',\n 'feFuncA',\n 'feFuncB',\n 'feFuncG',\n 'feFuncR',\n 'feGaussianBlur',\n 'feImage',\n 'feMerge',\n 'feMergeNode',\n 'feMorphology',\n 'feOffset',\n 'fePointLight',\n 'feSpecularLighting',\n 'feSpotLight',\n 'feTile',\n 'feTurbulence',\n]);\n\n// List of SVG elements that are disallowed by default.\n// We still need to know them so that we can do namespace\n// checks properly in case one wants to add them to\n// allow-list.\nexport const svgDisallowed = freeze([\n 'animate',\n 'color-profile',\n 'cursor',\n 'discard',\n 'font-face',\n 'font-face-format',\n 'font-face-name',\n 'font-face-src',\n 'font-face-uri',\n 'foreignobject',\n 'hatch',\n 'hatchpath',\n 'mesh',\n 'meshgradient',\n 'meshpatch',\n 'meshrow',\n 'missing-glyph',\n 'script',\n 'set',\n 'solidcolor',\n 'unknown',\n 'use',\n]);\n\nexport const mathMl = freeze([\n 'math',\n 'menclose',\n 'merror',\n 'mfenced',\n 'mfrac',\n 'mglyph',\n 'mi',\n 'mlabeledtr',\n 'mmultiscripts',\n 'mn',\n 'mo',\n 'mover',\n 'mpadded',\n 'mphantom',\n 'mroot',\n 'mrow',\n 'ms',\n 'mspace',\n 'msqrt',\n 'mstyle',\n 'msub',\n 'msup',\n 'msubsup',\n 'mtable',\n 'mtd',\n 'mtext',\n 'mtr',\n 'munder',\n 'munderover',\n 'mprescripts',\n]);\n\n// Similarly to SVG, we want to know all MathML elements,\n// even those that we disallow by default.\nexport const mathMlDisallowed = freeze([\n 'maction',\n 'maligngroup',\n 'malignmark',\n 'mlongdiv',\n 'mscarries',\n 'mscarry',\n 'msgroup',\n 'mstack',\n 'msline',\n 'msrow',\n 'semantics',\n 'annotation',\n 'annotation-xml',\n 'mprescripts',\n 'none',\n]);\n\nexport const text = freeze(['#text']);\n","import { freeze } from './utils.js';\n\nexport const html = freeze([\n 'accept',\n 'action',\n 'align',\n 'alt',\n 'autocapitalize',\n 'autocomplete',\n 'autopictureinpicture',\n 'autoplay',\n 'background',\n 'bgcolor',\n 'border',\n 'capture',\n 'cellpadding',\n 'cellspacing',\n 'checked',\n 'cite',\n 'class',\n 'clear',\n 'color',\n 'cols',\n 'colspan',\n 'controls',\n 'controlslist',\n 'coords',\n 'crossorigin',\n 'datetime',\n 'decoding',\n 'default',\n 'dir',\n 'disabled',\n 'disablepictureinpicture',\n 'disableremoteplayback',\n 'download',\n 'draggable',\n 'enctype',\n 'enterkeyhint',\n 'face',\n 'for',\n 'headers',\n 'height',\n 'hidden',\n 'high',\n 'href',\n 'hreflang',\n 'id',\n 'inputmode',\n 'integrity',\n 'ismap',\n 'kind',\n 'label',\n 'lang',\n 'list',\n 'loading',\n 'loop',\n 'low',\n 'max',\n 'maxlength',\n 'media',\n 'method',\n 'min',\n 'minlength',\n 'multiple',\n 'muted',\n 'name',\n 'nonce',\n 'noshade',\n 'novalidate',\n 'nowrap',\n 'open',\n 'optimum',\n 'pattern',\n 'placeholder',\n 'playsinline',\n 'popover',\n 'popovertarget',\n 'popovertargetaction',\n 'poster',\n 'preload',\n 'pubdate',\n 'radiogroup',\n 'readonly',\n 'rel',\n 'required',\n 'rev',\n 'reversed',\n 'role',\n 'rows',\n 'rowspan',\n 'spellcheck',\n 'scope',\n 'selected',\n 'shape',\n 'size',\n 'sizes',\n 'span',\n 'srclang',\n 'start',\n 'src',\n 'srcset',\n 'step',\n 'style',\n 'summary',\n 'tabindex',\n 'title',\n 'translate',\n 'type',\n 'usemap',\n 'valign',\n 'value',\n 'width',\n 'wrap',\n 'xmlns',\n 'slot',\n]);\n\nexport const svg = freeze([\n 'accent-height',\n 'accumulate',\n 'additive',\n 'alignment-baseline',\n 'ascent',\n 'attributename',\n 'attributetype',\n 'azimuth',\n 'basefrequency',\n 'baseline-shift',\n 'begin',\n 'bias',\n 'by',\n 'class',\n 'clip',\n 'clippathunits',\n 'clip-path',\n 'clip-rule',\n 'color',\n 'color-interpolation',\n 'color-interpolation-filters',\n 'color-profile',\n 'color-rendering',\n 'cx',\n 'cy',\n 'd',\n 'dx',\n 'dy',\n 'diffuseconstant',\n 'direction',\n 'display',\n 'divisor',\n 'dur',\n 'edgemode',\n 'elevation',\n 'end',\n 'fill',\n 'fill-opacity',\n 'fill-rule',\n 'filter',\n 'filterunits',\n 'flood-color',\n 'flood-opacity',\n 'font-family',\n 'font-size',\n 'font-size-adjust',\n 'font-stretch',\n 'font-style',\n 'font-variant',\n 'font-weight',\n 'fx',\n 'fy',\n 'g1',\n 'g2',\n 'glyph-name',\n 'glyphref',\n 'gradientunits',\n 'gradienttransform',\n 'height',\n 'href',\n 'id',\n 'image-rendering',\n 'in',\n 'in2',\n 'k',\n 'k1',\n 'k2',\n 'k3',\n 'k4',\n 'kerning',\n 'keypoints',\n 'keysplines',\n 'keytimes',\n 'lang',\n 'lengthadjust',\n 'letter-spacing',\n 'kernelmatrix',\n 'kernelunitlength',\n 'lighting-color',\n 'local',\n 'marker-end',\n 'marker-mid',\n 'marker-start',\n 'markerheight',\n 'markerunits',\n 'markerwidth',\n 'maskcontentunits',\n 'maskunits',\n 'max',\n 'mask',\n 'media',\n 'method',\n 'mode',\n 'min',\n 'name',\n 'numoctaves',\n 'offset',\n 'operator',\n 'opacity',\n 'order',\n 'orient',\n 'orientation',\n 'origin',\n 'overflow',\n 'paint-order',\n 'path',\n 'pathlength',\n 'patterncontentunits',\n 'patterntransform',\n 'patternunits',\n 'points',\n 'preservealpha',\n 'preserveaspectratio',\n 'primitiveunits',\n 'r',\n 'rx',\n 'ry',\n 'radius',\n 'refx',\n 'refy',\n 'repeatcount',\n 'repeatdur',\n 'restart',\n 'result',\n 'rotate',\n 'scale',\n 'seed',\n 'shape-rendering',\n 'specularconstant',\n 'specularexponent',\n 'spreadmethod',\n 'startoffset',\n 'stddeviation',\n 'stitchtiles',\n 'stop-color',\n 'stop-opacity',\n 'stroke-dasharray',\n 'stroke-dashoffset',\n 'stroke-linecap',\n 'stroke-linejoin',\n 'stroke-miterlimit',\n 'stroke-opacity',\n 'stroke',\n 'stroke-width',\n 'style',\n 'surfacescale',\n 'systemlanguage',\n 'tabindex',\n 'targetx',\n 'targety',\n 'transform',\n 'transform-origin',\n 'text-anchor',\n 'text-decoration',\n 'text-rendering',\n 'textlength',\n 'type',\n 'u1',\n 'u2',\n 'unicode',\n 'values',\n 'viewbox',\n 'visibility',\n 'version',\n 'vert-adv-y',\n 'vert-origin-x',\n 'vert-origin-y',\n 'width',\n 'word-spacing',\n 'wrap',\n 'writing-mode',\n 'xchannelselector',\n 'ychannelselector',\n 'x',\n 'x1',\n 'x2',\n 'xmlns',\n 'y',\n 'y1',\n 'y2',\n 'z',\n 'zoomandpan',\n]);\n\nexport const mathMl = freeze([\n 'accent',\n 'accentunder',\n 'align',\n 'bevelled',\n 'close',\n 'columnsalign',\n 'columnlines',\n 'columnspan',\n 'denomalign',\n 'depth',\n 'dir',\n 'display',\n 'displaystyle',\n 'encoding',\n 'fence',\n 'frame',\n 'height',\n 'href',\n 'id',\n 'largeop',\n 'length',\n 'linethickness',\n 'lspace',\n 'lquote',\n 'mathbackground',\n 'mathcolor',\n 'mathsize',\n 'mathvariant',\n 'maxsize',\n 'minsize',\n 'movablelimits',\n 'notation',\n 'numalign',\n 'open',\n 'rowalign',\n 'rowlines',\n 'rowspacing',\n 'rowspan',\n 'rspace',\n 'rquote',\n 'scriptlevel',\n 'scriptminsize',\n 'scriptsizemultiplier',\n 'selection',\n 'separator',\n 'separators',\n 'stretchy',\n 'subscriptshift',\n 'supscriptshift',\n 'symmetric',\n 'voffset',\n 'width',\n 'xmlns',\n]);\n\nexport const xml = freeze([\n 'xlink:href',\n 'xml:id',\n 'xlink:title',\n 'xml:space',\n 'xmlns:xlink',\n]);\n","import { seal } from './utils.js';\n\n// eslint-disable-next-line unicorn/better-regex\nexport const MUSTACHE_EXPR = seal(/\\{\\{[\\w\\W]*|[\\w\\W]*\\}\\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode\nexport const ERB_EXPR = seal(/<%[\\w\\W]*|[\\w\\W]*%>/gm);\nexport const TMPLIT_EXPR = seal(/\\${[\\w\\W]*}/gm);\nexport const DATA_ATTR = seal(/^data-[\\-\\w.\\u00B7-\\uFFFF]/); // eslint-disable-line no-useless-escape\nexport const ARIA_ATTR = seal(/^aria-[\\-\\w]+$/); // eslint-disable-line no-useless-escape\nexport const IS_ALLOWED_URI = seal(\n /^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp):|[^a-z]|[a-z+.\\-]+(?:[^a-z+.\\-:]|$))/i // eslint-disable-line no-useless-escape\n);\nexport const IS_SCRIPT_OR_DATA = seal(/^(?:\\w+script|data):/i);\nexport const ATTR_WHITESPACE = seal(\n /[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205F\\u3000]/g // eslint-disable-line no-control-regex\n);\nexport const DOCTYPE_NAME = seal(/^html$/i);\nexport const CUSTOM_ELEMENT = seal(/^[a-z][.\\w]*(-[.\\w]+)+$/i);\n","import * as TAGS from './tags.js';\nimport * as ATTRS from './attrs.js';\nimport * as EXPRESSIONS from './regexp.js';\nimport {\n addToSet,\n clone,\n entries,\n freeze,\n arrayForEach,\n arrayPop,\n arrayPush,\n stringMatch,\n stringReplace,\n stringToLowerCase,\n stringToString,\n stringIndexOf,\n stringTrim,\n regExpTest,\n typeErrorCreate,\n lookupGetter,\n create,\n objectHasOwnProperty,\n} from './utils.js';\n\n// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType\nconst NODE_TYPE = {\n element: 1,\n attribute: 2,\n text: 3,\n cdataSection: 4,\n entityReference: 5, // Deprecated\n entityNode: 6, // Deprecated\n progressingInstruction: 7,\n comment: 8,\n document: 9,\n documentType: 10,\n documentFragment: 11,\n notation: 12, // Deprecated\n};\n\nconst getGlobal = function () {\n return typeof window === 'undefined' ? null : window;\n};\n\n/**\n * Creates a no-op policy for internal use only.\n * Don't export this function outside this module!\n * @param {TrustedTypePolicyFactory} trustedTypes The policy factory.\n * @param {HTMLScriptElement} purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix).\n * @return {TrustedTypePolicy} The policy created (or null, if Trusted Types\n * are not supported or creating the policy failed).\n */\nconst _createTrustedTypesPolicy = function (trustedTypes, purifyHostElement) {\n if (\n typeof trustedTypes !== 'object' ||\n typeof trustedTypes.createPolicy !== 'function'\n ) {\n return null;\n }\n\n // Allow the callers to control the unique policy name\n // by adding a data-tt-policy-suffix to the script element with the DOMPurify.\n // Policy creation with duplicate names throws in Trusted Types.\n let suffix = null;\n const ATTR_NAME = 'data-tt-policy-suffix';\n if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) {\n suffix = purifyHostElement.getAttribute(ATTR_NAME);\n }\n\n const policyName = 'dompurify' + (suffix ? '#' + suffix : '');\n\n try {\n return trustedTypes.createPolicy(policyName, {\n createHTML(html) {\n return html;\n },\n createScriptURL(scriptUrl) {\n return scriptUrl;\n },\n });\n } catch (_) {\n // Policy creation failed (most likely another DOMPurify script has\n // already run). Skip creating the policy, as this will only cause errors\n // if TT are enforced.\n console.warn(\n 'TrustedTypes policy ' + policyName + ' could not be created.'\n );\n return null;\n }\n};\n\nfunction createDOMPurify(window = getGlobal()) {\n const DOMPurify = (root) => createDOMPurify(root);\n\n /**\n * Version label, exposed for easier checks\n * if DOMPurify is up to date or not\n */\n DOMPurify.version = VERSION;\n\n /**\n * Array of elements that DOMPurify removed during sanitation.\n * Empty if nothing was removed.\n */\n DOMPurify.removed = [];\n\n if (\n !window ||\n !window.document ||\n window.document.nodeType !== NODE_TYPE.document\n ) {\n // Not running in a browser, provide a factory function\n // so that you can pass your own Window\n DOMPurify.isSupported = false;\n\n return DOMPurify;\n }\n\n let { document } = window;\n\n const originalDocument = document;\n const currentScript = originalDocument.currentScript;\n const {\n DocumentFragment,\n HTMLTemplateElement,\n Node,\n Element,\n NodeFilter,\n NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap,\n HTMLFormElement,\n DOMParser,\n trustedTypes,\n } = window;\n\n const ElementPrototype = Element.prototype;\n\n const cloneNode = lookupGetter(ElementPrototype, 'cloneNode');\n const remove = lookupGetter(ElementPrototype, 'remove');\n const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');\n const getChildNodes = lookupGetter(ElementPrototype, 'childNodes');\n const getParentNode = lookupGetter(ElementPrototype, 'parentNode');\n\n // As per issue #47, the web-components registry is inherited by a\n // new document created via createHTMLDocument. As per the spec\n // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)\n // a new empty registry is used when creating a template contents owner\n // document, so we use that as our parent document to ensure nothing\n // is inherited.\n if (typeof HTMLTemplateElement === 'function') {\n const template = document.createElement('template');\n if (template.content && template.content.ownerDocument) {\n document = template.content.ownerDocument;\n }\n }\n\n let trustedTypesPolicy;\n let emptyHTML = '';\n\n const {\n implementation,\n createNodeIterator,\n createDocumentFragment,\n getElementsByTagName,\n } = document;\n const { importNode } = originalDocument;\n\n let hooks = {};\n\n /**\n * Expose whether this browser supports running the full DOMPurify.\n */\n DOMPurify.isSupported =\n typeof entries === 'function' &&\n typeof getParentNode === 'function' &&\n implementation &&\n implementation.createHTMLDocument !== undefined;\n\n const {\n MUSTACHE_EXPR,\n ERB_EXPR,\n TMPLIT_EXPR,\n DATA_ATTR,\n ARIA_ATTR,\n IS_SCRIPT_OR_DATA,\n ATTR_WHITESPACE,\n CUSTOM_ELEMENT,\n } = EXPRESSIONS;\n\n let { IS_ALLOWED_URI } = EXPRESSIONS;\n\n /**\n * We consider the elements and attributes below to be safe. Ideally\n * don't add any new ones but feel free to remove unwanted ones.\n */\n\n /* allowed element names */\n let ALLOWED_TAGS = null;\n const DEFAULT_ALLOWED_TAGS = addToSet({}, [\n ...TAGS.html,\n ...TAGS.svg,\n ...TAGS.svgFilters,\n ...TAGS.mathMl,\n ...TAGS.text,\n ]);\n\n /* Allowed attribute names */\n let ALLOWED_ATTR = null;\n const DEFAULT_ALLOWED_ATTR = addToSet({}, [\n ...ATTRS.html,\n ...ATTRS.svg,\n ...ATTRS.mathMl,\n ...ATTRS.xml,\n ]);\n\n /*\n * Configure how DOMPUrify should handle custom elements and their attributes as well as customized built-in elements.\n * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)\n * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)\n * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.\n */\n let CUSTOM_ELEMENT_HANDLING = Object.seal(\n create(null, {\n tagNameCheck: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: null,\n },\n attributeNameCheck: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: null,\n },\n allowCustomizedBuiltInElements: {\n writable: true,\n configurable: false,\n enumerable: true,\n value: false,\n },\n })\n );\n\n /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */\n let FORBID_TAGS = null;\n\n /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */\n let FORBID_ATTR = null;\n\n /* Decide if ARIA attributes are okay */\n let ALLOW_ARIA_ATTR = true;\n\n /* Decide if custom data attributes are okay */\n let ALLOW_DATA_ATTR = true;\n\n /* Decide if unknown protocols are okay */\n let ALLOW_UNKNOWN_PROTOCOLS = false;\n\n /* Decide if self-closing tags in attributes are allowed.\n * Usually removed due to a mXSS issue in jQuery 3.0 */\n let ALLOW_SELF_CLOSE_IN_ATTR = true;\n\n /* Output should be safe for common template engines.\n * This means, DOMPurify removes data attributes, mustaches and ERB\n */\n let SAFE_FOR_TEMPLATES = false;\n\n /* Output should be safe even for XML used within HTML and alike.\n * This means, DOMPurify removes comments when containing risky content.\n */\n let SAFE_FOR_XML = true;\n\n /* Decide if document with ... should be returned */\n let WHOLE_DOCUMENT = false;\n\n /* Track whether config is already set on this instance of DOMPurify. */\n let SET_CONFIG = false;\n\n /* Decide if all elements (e.g. style, script) must be children of\n * document.body. By default, browsers might move them to document.head */\n let FORCE_BODY = false;\n\n /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported).\n * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead\n */\n let RETURN_DOM = false;\n\n /* Decide if a DOM `DocumentFragment` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported) */\n let RETURN_DOM_FRAGMENT = false;\n\n /* Try to return a Trusted Type object instead of a string, return a string in\n * case Trusted Types are not supported */\n let RETURN_TRUSTED_TYPE = false;\n\n /* Output should be free from DOM clobbering attacks?\n * This sanitizes markups named with colliding, clobberable built-in DOM APIs.\n */\n let SANITIZE_DOM = true;\n\n /* Achieve full DOM Clobbering protection by isolating the namespace of named\n * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.\n *\n * HTML/DOM spec rules that enable DOM Clobbering:\n * - Named Access on Window (§7.3.3)\n * - DOM Tree Accessors (§3.1.5)\n * - Form Element Parent-Child Relations (§4.10.3)\n * - Iframe srcdoc / Nested WindowProxies (§4.8.5)\n * - HTMLCollection (§4.2.10.2)\n *\n * Namespace isolation is implemented by prefixing `id` and `name` attributes\n * with a constant string, i.e., `user-content-`\n */\n let SANITIZE_NAMED_PROPS = false;\n const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';\n\n /* Keep element content when removing element? */\n let KEEP_CONTENT = true;\n\n /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead\n * of importing it into a new Document and returning a sanitized copy */\n let IN_PLACE = false;\n\n /* Allow usage of profiles like html, svg and mathMl */\n let USE_PROFILES = {};\n\n /* Tags to ignore content of when KEEP_CONTENT is true */\n let FORBID_CONTENTS = null;\n const DEFAULT_FORBID_CONTENTS = addToSet({}, [\n 'annotation-xml',\n 'audio',\n 'colgroup',\n 'desc',\n 'foreignobject',\n 'head',\n 'iframe',\n 'math',\n 'mi',\n 'mn',\n 'mo',\n 'ms',\n 'mtext',\n 'noembed',\n 'noframes',\n 'noscript',\n 'plaintext',\n 'script',\n 'style',\n 'svg',\n 'template',\n 'thead',\n 'title',\n 'video',\n 'xmp',\n ]);\n\n /* Tags that are safe for data: URIs */\n let DATA_URI_TAGS = null;\n const DEFAULT_DATA_URI_TAGS = addToSet({}, [\n 'audio',\n 'video',\n 'img',\n 'source',\n 'image',\n 'track',\n ]);\n\n /* Attributes safe for values like \"javascript:\" */\n let URI_SAFE_ATTRIBUTES = null;\n const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, [\n 'alt',\n 'class',\n 'for',\n 'id',\n 'label',\n 'name',\n 'pattern',\n 'placeholder',\n 'role',\n 'summary',\n 'title',\n 'value',\n 'style',\n 'xmlns',\n ]);\n\n const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';\n const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';\n const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';\n /* Document namespace */\n let NAMESPACE = HTML_NAMESPACE;\n let IS_EMPTY_INPUT = false;\n\n /* Allowed XHTML+XML namespaces */\n let ALLOWED_NAMESPACES = null;\n const DEFAULT_ALLOWED_NAMESPACES = addToSet(\n {},\n [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE],\n stringToString\n );\n\n /* Parsing of strict XHTML documents */\n let PARSER_MEDIA_TYPE = null;\n const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];\n const DEFAULT_PARSER_MEDIA_TYPE = 'text/html';\n let transformCaseFunc = null;\n\n /* Keep a reference to config to pass to hooks */\n let CONFIG = null;\n\n /* Ideally, do not touch anything below this line */\n /* ______________________________________________ */\n\n const formElement = document.createElement('form');\n\n const isRegexOrFunction = function (testValue) {\n return testValue instanceof RegExp || testValue instanceof Function;\n };\n\n /**\n * _parseConfig\n *\n * @param {Object} cfg optional config literal\n */\n // eslint-disable-next-line complexity\n const _parseConfig = function (cfg = {}) {\n if (CONFIG && CONFIG === cfg) {\n return;\n }\n\n /* Shield configuration object from tampering */\n if (!cfg || typeof cfg !== 'object') {\n cfg = {};\n }\n\n /* Shield configuration object from prototype pollution */\n cfg = clone(cfg);\n\n PARSER_MEDIA_TYPE =\n // eslint-disable-next-line unicorn/prefer-includes\n SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1\n ? DEFAULT_PARSER_MEDIA_TYPE\n : cfg.PARSER_MEDIA_TYPE;\n\n // HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is.\n transformCaseFunc =\n PARSER_MEDIA_TYPE === 'application/xhtml+xml'\n ? stringToString\n : stringToLowerCase;\n\n /* Set configuration parameters */\n ALLOWED_TAGS = objectHasOwnProperty(cfg, 'ALLOWED_TAGS')\n ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc)\n : DEFAULT_ALLOWED_TAGS;\n ALLOWED_ATTR = objectHasOwnProperty(cfg, 'ALLOWED_ATTR')\n ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc)\n : DEFAULT_ALLOWED_ATTR;\n ALLOWED_NAMESPACES = objectHasOwnProperty(cfg, 'ALLOWED_NAMESPACES')\n ? addToSet({}, cfg.ALLOWED_NAMESPACES, stringToString)\n : DEFAULT_ALLOWED_NAMESPACES;\n URI_SAFE_ATTRIBUTES = objectHasOwnProperty(cfg, 'ADD_URI_SAFE_ATTR')\n ? addToSet(\n clone(DEFAULT_URI_SAFE_ATTRIBUTES), // eslint-disable-line indent\n cfg.ADD_URI_SAFE_ATTR, // eslint-disable-line indent\n transformCaseFunc // eslint-disable-line indent\n ) // eslint-disable-line indent\n : DEFAULT_URI_SAFE_ATTRIBUTES;\n DATA_URI_TAGS = objectHasOwnProperty(cfg, 'ADD_DATA_URI_TAGS')\n ? addToSet(\n clone(DEFAULT_DATA_URI_TAGS), // eslint-disable-line indent\n cfg.ADD_DATA_URI_TAGS, // eslint-disable-line indent\n transformCaseFunc // eslint-disable-line indent\n ) // eslint-disable-line indent\n : DEFAULT_DATA_URI_TAGS;\n FORBID_CONTENTS = objectHasOwnProperty(cfg, 'FORBID_CONTENTS')\n ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc)\n : DEFAULT_FORBID_CONTENTS;\n FORBID_TAGS = objectHasOwnProperty(cfg, 'FORBID_TAGS')\n ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc)\n : {};\n FORBID_ATTR = objectHasOwnProperty(cfg, 'FORBID_ATTR')\n ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc)\n : {};\n USE_PROFILES = objectHasOwnProperty(cfg, 'USE_PROFILES')\n ? cfg.USE_PROFILES\n : false;\n ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true\n ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true\n ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false\n ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true\n SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false\n SAFE_FOR_XML = cfg.SAFE_FOR_XML !== false; // Default true\n WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false\n RETURN_DOM = cfg.RETURN_DOM || false; // Default false\n RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false\n RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false\n FORCE_BODY = cfg.FORCE_BODY || false; // Default false\n SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true\n SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false\n KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true\n IN_PLACE = cfg.IN_PLACE || false; // Default false\n IS_ALLOWED_URI = cfg.ALLOWED_URI_REGEXP || EXPRESSIONS.IS_ALLOWED_URI;\n NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;\n CUSTOM_ELEMENT_HANDLING = cfg.CUSTOM_ELEMENT_HANDLING || {};\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)\n ) {\n CUSTOM_ELEMENT_HANDLING.tagNameCheck =\n cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck;\n }\n\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)\n ) {\n CUSTOM_ELEMENT_HANDLING.attributeNameCheck =\n cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck;\n }\n\n if (\n cfg.CUSTOM_ELEMENT_HANDLING &&\n typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements ===\n 'boolean'\n ) {\n CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements =\n cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements;\n }\n\n if (SAFE_FOR_TEMPLATES) {\n ALLOW_DATA_ATTR = false;\n }\n\n if (RETURN_DOM_FRAGMENT) {\n RETURN_DOM = true;\n }\n\n /* Parse profile info */\n if (USE_PROFILES) {\n ALLOWED_TAGS = addToSet({}, TAGS.text);\n ALLOWED_ATTR = [];\n if (USE_PROFILES.html === true) {\n addToSet(ALLOWED_TAGS, TAGS.html);\n addToSet(ALLOWED_ATTR, ATTRS.html);\n }\n\n if (USE_PROFILES.svg === true) {\n addToSet(ALLOWED_TAGS, TAGS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.svgFilters === true) {\n addToSet(ALLOWED_TAGS, TAGS.svgFilters);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.mathMl === true) {\n addToSet(ALLOWED_TAGS, TAGS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n }\n\n /* Merge configuration parameters */\n if (cfg.ADD_TAGS) {\n if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {\n ALLOWED_TAGS = clone(ALLOWED_TAGS);\n }\n\n addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);\n }\n\n if (cfg.ADD_ATTR) {\n if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {\n ALLOWED_ATTR = clone(ALLOWED_ATTR);\n }\n\n addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);\n }\n\n if (cfg.ADD_URI_SAFE_ATTR) {\n addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);\n }\n\n if (cfg.FORBID_CONTENTS) {\n if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {\n FORBID_CONTENTS = clone(FORBID_CONTENTS);\n }\n\n addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);\n }\n\n /* Add #text in case KEEP_CONTENT is set to true */\n if (KEEP_CONTENT) {\n ALLOWED_TAGS['#text'] = true;\n }\n\n /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */\n if (WHOLE_DOCUMENT) {\n addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);\n }\n\n /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */\n if (ALLOWED_TAGS.table) {\n addToSet(ALLOWED_TAGS, ['tbody']);\n delete FORBID_TAGS.tbody;\n }\n\n if (cfg.TRUSTED_TYPES_POLICY) {\n if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') {\n throw typeErrorCreate(\n 'TRUSTED_TYPES_POLICY configuration option must provide a \"createHTML\" hook.'\n );\n }\n\n if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') {\n throw typeErrorCreate(\n 'TRUSTED_TYPES_POLICY configuration option must provide a \"createScriptURL\" hook.'\n );\n }\n\n // Overwrite existing TrustedTypes policy.\n trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY;\n\n // Sign local variables required by `sanitize`.\n emptyHTML = trustedTypesPolicy.createHTML('');\n } else {\n // Uninitialized policy, attempt to initialize the internal dompurify policy.\n if (trustedTypesPolicy === undefined) {\n trustedTypesPolicy = _createTrustedTypesPolicy(\n trustedTypes,\n currentScript\n );\n }\n\n // If creating the internal policy succeeded sign internal variables.\n if (trustedTypesPolicy !== null && typeof emptyHTML === 'string') {\n emptyHTML = trustedTypesPolicy.createHTML('');\n }\n }\n\n // Prevent further manipulation of configuration.\n // Not available in IE8, Safari 5, etc.\n if (freeze) {\n freeze(cfg);\n }\n\n CONFIG = cfg;\n };\n\n const MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, [\n 'mi',\n 'mo',\n 'mn',\n 'ms',\n 'mtext',\n ]);\n\n const HTML_INTEGRATION_POINTS = addToSet({}, [\n 'foreignobject',\n 'annotation-xml',\n ]);\n\n // Certain elements are allowed in both SVG and HTML\n // namespace. We need to specify them explicitly\n // so that they don't get erroneously deleted from\n // HTML namespace.\n const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, [\n 'title',\n 'style',\n 'font',\n 'a',\n 'script',\n ]);\n\n /* Keep track of all possible SVG and MathML tags\n * so that we can perform the namespace checks\n * correctly. */\n const ALL_SVG_TAGS = addToSet({}, [\n ...TAGS.svg,\n ...TAGS.svgFilters,\n ...TAGS.svgDisallowed,\n ]);\n const ALL_MATHML_TAGS = addToSet({}, [\n ...TAGS.mathMl,\n ...TAGS.mathMlDisallowed,\n ]);\n\n /**\n * @param {Element} element a DOM element whose namespace is being checked\n * @returns {boolean} Return false if the element has a\n * namespace that a spec-compliant parser would never\n * return. Return true otherwise.\n */\n const _checkValidNamespace = function (element) {\n let parent = getParentNode(element);\n\n // In JSDOM, if we're inside shadow DOM, then parentNode\n // can be null. We just simulate parent in this case.\n if (!parent || !parent.tagName) {\n parent = {\n namespaceURI: NAMESPACE,\n tagName: 'template',\n };\n }\n\n const tagName = stringToLowerCase(element.tagName);\n const parentTagName = stringToLowerCase(parent.tagName);\n\n if (!ALLOWED_NAMESPACES[element.namespaceURI]) {\n return false;\n }\n\n if (element.namespaceURI === SVG_NAMESPACE) {\n // The only way to switch from HTML namespace to SVG\n // is via . If it happens via any other tag, then\n // it should be killed.\n if (parent.namespaceURI === HTML_NAMESPACE) {\n return tagName === 'svg';\n }\n\n // The only way to switch from MathML to SVG is via`\n // svg if parent is either or MathML\n // text integration points.\n if (parent.namespaceURI === MATHML_NAMESPACE) {\n return (\n tagName === 'svg' &&\n (parentTagName === 'annotation-xml' ||\n MATHML_TEXT_INTEGRATION_POINTS[parentTagName])\n );\n }\n\n // We only allow elements that are defined in SVG\n // spec. All others are disallowed in SVG namespace.\n return Boolean(ALL_SVG_TAGS[tagName]);\n }\n\n if (element.namespaceURI === MATHML_NAMESPACE) {\n // The only way to switch from HTML namespace to MathML\n // is via . If it happens via any other tag, then\n // it should be killed.\n if (parent.namespaceURI === HTML_NAMESPACE) {\n return tagName === 'math';\n }\n\n // The only way to switch from SVG to MathML is via\n // and HTML integration points\n if (parent.namespaceURI === SVG_NAMESPACE) {\n return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];\n }\n\n // We only allow elements that are defined in MathML\n // spec. All others are disallowed in MathML namespace.\n return Boolean(ALL_MATHML_TAGS[tagName]);\n }\n\n if (element.namespaceURI === HTML_NAMESPACE) {\n // The only way to switch from SVG to HTML is via\n // HTML integration points, and from MathML to HTML\n // is via MathML text integration points\n if (\n parent.namespaceURI === SVG_NAMESPACE &&\n !HTML_INTEGRATION_POINTS[parentTagName]\n ) {\n return false;\n }\n\n if (\n parent.namespaceURI === MATHML_NAMESPACE &&\n !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]\n ) {\n return false;\n }\n\n // We disallow tags that are specific for MathML\n // or SVG and should never appear in HTML namespace\n return (\n !ALL_MATHML_TAGS[tagName] &&\n (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName])\n );\n }\n\n // For XHTML and XML documents that support custom namespaces\n if (\n PARSER_MEDIA_TYPE === 'application/xhtml+xml' &&\n ALLOWED_NAMESPACES[element.namespaceURI]\n ) {\n return true;\n }\n\n // The code should never reach this place (this means\n // that the element somehow got namespace that is not\n // HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES).\n // Return false just in case.\n return false;\n };\n\n /**\n * _forceRemove\n *\n * @param {Node} node a DOM node\n */\n const _forceRemove = function (node) {\n arrayPush(DOMPurify.removed, { element: node });\n\n try {\n // eslint-disable-next-line unicorn/prefer-dom-node-remove\n getParentNode(node).removeChild(node);\n } catch (_) {\n remove(node);\n }\n };\n\n /**\n * _removeAttribute\n *\n * @param {String} name an Attribute name\n * @param {Node} node a DOM node\n */\n const _removeAttribute = function (name, node) {\n try {\n arrayPush(DOMPurify.removed, {\n attribute: node.getAttributeNode(name),\n from: node,\n });\n } catch (_) {\n arrayPush(DOMPurify.removed, {\n attribute: null,\n from: node,\n });\n }\n\n node.removeAttribute(name);\n\n // We void attribute values for unremovable \"is\"\" attributes\n if (name === 'is' && !ALLOWED_ATTR[name]) {\n if (RETURN_DOM || RETURN_DOM_FRAGMENT) {\n try {\n _forceRemove(node);\n } catch (_) {}\n } else {\n try {\n node.setAttribute(name, '');\n } catch (_) {}\n }\n }\n };\n\n /**\n * _initDocument\n *\n * @param {String} dirty a string of dirty markup\n * @return {Document} a DOM, filled with the dirty markup\n */\n const _initDocument = function (dirty) {\n /* Create a HTML document */\n let doc = null;\n let leadingWhitespace = null;\n\n if (FORCE_BODY) {\n dirty = '' + dirty;\n } else {\n /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */\n const matches = stringMatch(dirty, /^[\\r\\n\\t ]+/);\n leadingWhitespace = matches && matches[0];\n }\n\n if (\n PARSER_MEDIA_TYPE === 'application/xhtml+xml' &&\n NAMESPACE === HTML_NAMESPACE\n ) {\n // Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict)\n dirty =\n '' +\n dirty +\n '';\n }\n\n const dirtyPayload = trustedTypesPolicy\n ? trustedTypesPolicy.createHTML(dirty)\n : dirty;\n /*\n * Use the DOMParser API by default, fallback later if needs be\n * DOMParser not work for svg when has multiple root element.\n */\n if (NAMESPACE === HTML_NAMESPACE) {\n try {\n doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);\n } catch (_) {}\n }\n\n /* Use createHTMLDocument in case DOMParser is not available */\n if (!doc || !doc.documentElement) {\n doc = implementation.createDocument(NAMESPACE, 'template', null);\n try {\n doc.documentElement.innerHTML = IS_EMPTY_INPUT\n ? emptyHTML\n : dirtyPayload;\n } catch (_) {\n // Syntax error if dirtyPayload is invalid xml\n }\n }\n\n const body = doc.body || doc.documentElement;\n\n if (dirty && leadingWhitespace) {\n body.insertBefore(\n document.createTextNode(leadingWhitespace),\n body.childNodes[0] || null\n );\n }\n\n /* Work on whole document or just its body */\n if (NAMESPACE === HTML_NAMESPACE) {\n return getElementsByTagName.call(\n doc,\n WHOLE_DOCUMENT ? 'html' : 'body'\n )[0];\n }\n\n return WHOLE_DOCUMENT ? doc.documentElement : body;\n };\n\n /**\n * Creates a NodeIterator object that you can use to traverse filtered lists of nodes or elements in a document.\n *\n * @param {Node} root The root element or node to start traversing on.\n * @return {NodeIterator} The created NodeIterator\n */\n const _createNodeIterator = function (root) {\n return createNodeIterator.call(\n root.ownerDocument || root,\n root,\n // eslint-disable-next-line no-bitwise\n NodeFilter.SHOW_ELEMENT |\n NodeFilter.SHOW_COMMENT |\n NodeFilter.SHOW_TEXT |\n NodeFilter.SHOW_PROCESSING_INSTRUCTION |\n NodeFilter.SHOW_CDATA_SECTION,\n null\n );\n };\n\n /**\n * _isClobbered\n *\n * @param {Node} elm element to check for clobbering attacks\n * @return {Boolean} true if clobbered, false if safe\n */\n const _isClobbered = function (elm) {\n return (\n elm instanceof HTMLFormElement &&\n (typeof elm.nodeName !== 'string' ||\n typeof elm.textContent !== 'string' ||\n typeof elm.removeChild !== 'function' ||\n !(elm.attributes instanceof NamedNodeMap) ||\n typeof elm.removeAttribute !== 'function' ||\n typeof elm.setAttribute !== 'function' ||\n typeof elm.namespaceURI !== 'string' ||\n typeof elm.insertBefore !== 'function' ||\n typeof elm.hasChildNodes !== 'function')\n );\n };\n\n /**\n * Checks whether the given object is a DOM node.\n *\n * @param {Node} object object to check whether it's a DOM node\n * @return {Boolean} true is object is a DOM node\n */\n const _isNode = function (object) {\n return typeof Node === 'function' && object instanceof Node;\n };\n\n /**\n * _executeHook\n * Execute user configurable hooks\n *\n * @param {String} entryPoint Name of the hook's entry point\n * @param {Node} currentNode node to work on with the hook\n * @param {Object} data additional hook parameters\n */\n const _executeHook = function (entryPoint, currentNode, data) {\n if (!hooks[entryPoint]) {\n return;\n }\n\n arrayForEach(hooks[entryPoint], (hook) => {\n hook.call(DOMPurify, currentNode, data, CONFIG);\n });\n };\n\n /**\n * _sanitizeElements\n *\n * @protect nodeName\n * @protect textContent\n * @protect removeChild\n *\n * @param {Node} currentNode to check for permission to exist\n * @return {Boolean} true if node was killed, false if left alive\n */\n const _sanitizeElements = function (currentNode) {\n let content = null;\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeElements', currentNode, null);\n\n /* Check if element is clobbered or can clobber */\n if (_isClobbered(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Now let's check the element's type and name */\n const tagName = transformCaseFunc(currentNode.nodeName);\n\n /* Execute a hook if present */\n _executeHook('uponSanitizeElement', currentNode, {\n tagName,\n allowedTags: ALLOWED_TAGS,\n });\n\n /* Detect mXSS attempts abusing namespace confusion */\n if (\n currentNode.hasChildNodes() &&\n !_isNode(currentNode.firstElementChild) &&\n regExpTest(/<[/\\w]/g, currentNode.innerHTML) &&\n regExpTest(/<[/\\w]/g, currentNode.textContent)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove any occurrence of processing instructions */\n if (currentNode.nodeType === NODE_TYPE.progressingInstruction) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove any kind of possibly harmful comments */\n if (\n SAFE_FOR_XML &&\n currentNode.nodeType === NODE_TYPE.comment &&\n regExpTest(/<[/\\w]/g, currentNode.data)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove element if anything forbids its presence */\n if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n /* Check if we have a custom element to handle */\n if (!FORBID_TAGS[tagName] && _isBasicCustomElement(tagName)) {\n if (\n CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)\n ) {\n return false;\n }\n\n if (\n CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)\n ) {\n return false;\n }\n }\n\n /* Keep content except for bad-listed elements */\n if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {\n const parentNode = getParentNode(currentNode) || currentNode.parentNode;\n const childNodes = getChildNodes(currentNode) || currentNode.childNodes;\n\n if (childNodes && parentNode) {\n const childCount = childNodes.length;\n\n for (let i = childCount - 1; i >= 0; --i) {\n const childClone = cloneNode(childNodes[i], true);\n childClone.__removalCount = (currentNode.__removalCount || 0) + 1;\n parentNode.insertBefore(childClone, getNextSibling(currentNode));\n }\n }\n }\n\n _forceRemove(currentNode);\n return true;\n }\n\n /* Check whether element has a valid namespace */\n if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Make sure that older browsers don't get fallback-tag mXSS */\n if (\n (tagName === 'noscript' ||\n tagName === 'noembed' ||\n tagName === 'noframes') &&\n regExpTest(/<\\/no(script|embed|frames)/i, currentNode.innerHTML)\n ) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Sanitize element content to be template-safe */\n if (SAFE_FOR_TEMPLATES && currentNode.nodeType === NODE_TYPE.text) {\n /* Get the element's text content */\n content = currentNode.textContent;\n\n arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], (expr) => {\n content = stringReplace(content, expr, ' ');\n });\n\n if (currentNode.textContent !== content) {\n arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });\n currentNode.textContent = content;\n }\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeElements', currentNode, null);\n\n return false;\n };\n\n /**\n * _isValidAttribute\n *\n * @param {string} lcTag Lowercase tag name of containing element.\n * @param {string} lcName Lowercase attribute name.\n * @param {string} value Attribute value.\n * @return {Boolean} Returns true if `value` is valid, otherwise false.\n */\n // eslint-disable-next-line complexity\n const _isValidAttribute = function (lcTag, lcName, value) {\n /* Make sure attribute cannot clobber */\n if (\n SANITIZE_DOM &&\n (lcName === 'id' || lcName === 'name') &&\n (value in document || value in formElement)\n ) {\n return false;\n }\n\n /* Allow valid data-* attributes: At least one character after \"-\"\n (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)\n XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)\n We don't need to check the value; it's always URI safe. */\n if (\n ALLOW_DATA_ATTR &&\n !FORBID_ATTR[lcName] &&\n regExpTest(DATA_ATTR, lcName)\n ) {\n // This attribute is safe\n } else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR, lcName)) {\n // This attribute is safe\n /* Otherwise, check the name is permitted */\n } else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {\n if (\n // First condition does a very basic check if a) it's basically a valid custom element tagname AND\n // b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n // and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck\n (_isBasicCustomElement(lcTag) &&\n ((CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, lcTag)) ||\n (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(lcTag))) &&\n ((CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.attributeNameCheck, lcName)) ||\n (CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.attributeNameCheck(lcName)))) ||\n // Alternative, second condition checks if it's an `is`-attribute, AND\n // the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n (lcName === 'is' &&\n CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements &&\n ((CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp &&\n regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, value)) ||\n (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function &&\n CUSTOM_ELEMENT_HANDLING.tagNameCheck(value))))\n ) {\n // If user has supplied a regexp or function in CUSTOM_ELEMENT_HANDLING.tagNameCheck, we need to also allow derived custom elements using the same tagName test.\n // Additionally, we need to allow attributes passing the CUSTOM_ELEMENT_HANDLING.attributeNameCheck user has configured, as custom elements can define these at their own discretion.\n } else {\n return false;\n }\n /* Check value is safe. First, is attr inert? If so, is safe */\n } else if (URI_SAFE_ATTRIBUTES[lcName]) {\n // This attribute is safe\n /* Check no script, data or unknown possibly unsafe URI\n unless we know URI values are safe for that attribute */\n } else if (\n regExpTest(IS_ALLOWED_URI, stringReplace(value, ATTR_WHITESPACE, ''))\n ) {\n // This attribute is safe\n /* Keep image data URIs alive if src/xlink:href is allowed */\n /* Further prevent gadget XSS for dynamically built script tags */\n } else if (\n (lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') &&\n lcTag !== 'script' &&\n stringIndexOf(value, 'data:') === 0 &&\n DATA_URI_TAGS[lcTag]\n ) {\n // This attribute is safe\n /* Allow unknown protocols: This provides support for links that\n are handled by protocol handlers which may be unknown ahead of\n time, e.g. fb:, spotify: */\n } else if (\n ALLOW_UNKNOWN_PROTOCOLS &&\n !regExpTest(IS_SCRIPT_OR_DATA, stringReplace(value, ATTR_WHITESPACE, ''))\n ) {\n // This attribute is safe\n /* Check for binary attributes */\n } else if (value) {\n return false;\n } else {\n // Binary attributes are safe at this point\n /* Anything else, presume unsafe, do not add it back */\n }\n\n return true;\n };\n\n /**\n * _isBasicCustomElement\n * checks if at least one dash is included in tagName, and it's not the first char\n * for more sophisticated checking see https://github.com/sindresorhus/validate-element-name\n *\n * @param {string} tagName name of the tag of the node to sanitize\n * @returns {boolean} Returns true if the tag name meets the basic criteria for a custom element, otherwise false.\n */\n const _isBasicCustomElement = function (tagName) {\n return tagName !== 'annotation-xml' && stringMatch(tagName, CUSTOM_ELEMENT);\n };\n\n /**\n * _sanitizeAttributes\n *\n * @protect attributes\n * @protect nodeName\n * @protect removeAttribute\n * @protect setAttribute\n *\n * @param {Node} currentNode to sanitize\n */\n const _sanitizeAttributes = function (currentNode) {\n /* Execute a 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security issue with comments inside attributes */\n if (SAFE_FOR_XML && regExpTest(/((--!?|])>)|<\\/(style|title)/i, value)) {\n _removeAttribute(name, currentNode);\n continue;\n }\n\n /* Did the hooks approve of the attribute? */\n if (hookEvent.forceKeepAttr) {\n continue;\n }\n\n /* Remove attribute */\n _removeAttribute(name, currentNode);\n\n /* Did the hooks approve of the attribute? */\n if (!hookEvent.keepAttr) {\n continue;\n }\n\n /* Work around a security issue in jQuery 3.0 */\n if (!ALLOW_SELF_CLOSE_IN_ATTR && regExpTest(/\\/>/i, value)) {\n _removeAttribute(name, currentNode);\n continue;\n }\n\n /* Sanitize attribute content to be template-safe */\n if (SAFE_FOR_TEMPLATES) {\n arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], (expr) => {\n value = stringReplace(value, expr, ' ');\n });\n }\n\n /* Is `value` valid for this attribute? */\n const lcTag = transformCaseFunc(currentNode.nodeName);\n if (!_isValidAttribute(lcTag, lcName, value)) {\n continue;\n }\n\n /* Full DOM Clobbering protection via namespace isolation,\n * Prefix id and name attributes with `user-content-`\n */\n if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) {\n // Remove the attribute with this value\n _removeAttribute(name, currentNode);\n\n // Prefix the value and later re-create the attribute with the sanitized value\n value = SANITIZE_NAMED_PROPS_PREFIX + value;\n }\n\n /* Handle attributes that require Trusted Types */\n if (\n trustedTypesPolicy &&\n typeof trustedTypes === 'object' &&\n typeof trustedTypes.getAttributeType === 'function'\n ) {\n if (namespaceURI) {\n /* Namespaces are not yet supported, see https://bugs.chromium.org/p/chromium/issues/detail?id=1305293 */\n } else {\n switch (trustedTypes.getAttributeType(lcTag, lcName)) {\n case 'TrustedHTML': {\n value = trustedTypesPolicy.createHTML(value);\n break;\n }\n\n case 'TrustedScriptURL': {\n value = trustedTypesPolicy.createScriptURL(value);\n break;\n }\n\n default: {\n break;\n }\n }\n }\n }\n\n /* Handle invalid data-* attribute set by try-catching it */\n try {\n if (namespaceURI) {\n currentNode.setAttributeNS(namespaceURI, name, value);\n } else {\n /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. \"x-schema\". */\n currentNode.setAttribute(name, value);\n }\n\n if (_isClobbered(currentNode)) {\n _forceRemove(currentNode);\n } else {\n arrayPop(DOMPurify.removed);\n }\n } catch (_) {}\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeAttributes', currentNode, null);\n };\n\n /**\n * _sanitizeShadowDOM\n *\n * @param {DocumentFragment} fragment to iterate over recursively\n */\n const _sanitizeShadowDOM = function (fragment) {\n let shadowNode = null;\n const shadowIterator = _createNodeIterator(fragment);\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeShadowDOM', fragment, null);\n\n while ((shadowNode = shadowIterator.nextNode())) {\n /* Execute a hook if present */\n _executeHook('uponSanitizeShadowNode', shadowNode, null);\n\n /* Sanitize tags and elements */\n if (_sanitizeElements(shadowNode)) {\n continue;\n }\n\n /* Deep shadow DOM detected */\n if (shadowNode.content instanceof DocumentFragment) {\n _sanitizeShadowDOM(shadowNode.content);\n }\n\n /* Check attributes, sanitize if necessary */\n _sanitizeAttributes(shadowNode);\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeShadowDOM', fragment, null);\n };\n\n /**\n * Sanitize\n * Public method providing core sanitation functionality\n *\n * @param {String|Node} dirty string or DOM node\n * @param {Object} cfg object\n */\n // eslint-disable-next-line complexity\n DOMPurify.sanitize = function (dirty, cfg = {}) {\n let body = null;\n let importedNode = null;\n let currentNode = null;\n let returnNode = null;\n /* Make sure we have a string to sanitize.\n DO NOT return early, as this will return the wrong type if\n the user has requested a DOM object rather than a string */\n IS_EMPTY_INPUT = !dirty;\n if (IS_EMPTY_INPUT) {\n dirty = '';\n }\n\n /* Stringify, in case dirty is an object */\n if (typeof dirty !== 'string' && !_isNode(dirty)) {\n if (typeof dirty.toString === 'function') {\n dirty = dirty.toString();\n if (typeof dirty !== 'string') {\n throw typeErrorCreate('dirty is not a string, aborting');\n }\n } else {\n throw typeErrorCreate('toString is not a function');\n }\n }\n\n /* Return dirty HTML if DOMPurify cannot run */\n if (!DOMPurify.isSupported) {\n return dirty;\n }\n\n /* Assign config vars */\n if (!SET_CONFIG) {\n _parseConfig(cfg);\n }\n\n /* Clean up removed elements */\n DOMPurify.removed = [];\n\n /* Check if dirty is correctly typed for IN_PLACE */\n if (typeof dirty === 'string') {\n IN_PLACE = false;\n }\n\n if (IN_PLACE) {\n /* Do some early pre-sanitization to avoid unsafe root nodes */\n if (dirty.nodeName) {\n const tagName = transformCaseFunc(dirty.nodeName);\n if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n throw typeErrorCreate(\n 'root node is forbidden and cannot be sanitized in-place'\n );\n }\n }\n } else if (dirty instanceof Node) {\n /* If dirty is a DOM element, append to an empty document to avoid\n elements being stripped by the parser */\n body = _initDocument('');\n importedNode = body.ownerDocument.importNode(dirty, true);\n if (\n importedNode.nodeType === NODE_TYPE.element &&\n importedNode.nodeName === 'BODY'\n ) {\n /* Node is already a body, use as is */\n body = importedNode;\n } else if (importedNode.nodeName === 'HTML') {\n body = importedNode;\n } else {\n // eslint-disable-next-line unicorn/prefer-dom-node-append\n body.appendChild(importedNode);\n }\n } else {\n /* Exit directly if we have nothing to do */\n if (\n !RETURN_DOM &&\n !SAFE_FOR_TEMPLATES &&\n !WHOLE_DOCUMENT &&\n // eslint-disable-next-line unicorn/prefer-includes\n dirty.indexOf('<') === -1\n ) {\n return trustedTypesPolicy && RETURN_TRUSTED_TYPE\n ? trustedTypesPolicy.createHTML(dirty)\n : dirty;\n 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string or DOM */\n if (RETURN_DOM) {\n if (RETURN_DOM_FRAGMENT) {\n returnNode = createDocumentFragment.call(body.ownerDocument);\n\n while (body.firstChild) {\n // eslint-disable-next-line unicorn/prefer-dom-node-append\n returnNode.appendChild(body.firstChild);\n }\n } else {\n returnNode = body;\n }\n\n if (ALLOWED_ATTR.shadowroot || ALLOWED_ATTR.shadowrootmode) {\n /*\n AdoptNode() is not used because internal state is not reset\n (e.g. the past names map of a HTMLFormElement), this is safe\n in theory but we would rather not risk another attack vector.\n The state that is cloned by importNode() is explicitly defined\n by the specs.\n */\n returnNode = importNode.call(originalDocument, returnNode, true);\n }\n\n return returnNode;\n }\n\n let serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;\n\n /* Serialize doctype if allowed */\n if (\n WHOLE_DOCUMENT &&\n ALLOWED_TAGS['!doctype'] &&\n body.ownerDocument &&\n body.ownerDocument.doctype &&\n body.ownerDocument.doctype.name &&\n regExpTest(EXPRESSIONS.DOCTYPE_NAME, body.ownerDocument.doctype.name)\n ) {\n serializedHTML =\n '\\n' + serializedHTML;\n }\n\n /* Sanitize final string template-safe */\n if (SAFE_FOR_TEMPLATES) {\n arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], (expr) => {\n serializedHTML = stringReplace(serializedHTML, expr, ' ');\n });\n }\n\n return trustedTypesPolicy && RETURN_TRUSTED_TYPE\n ? trustedTypesPolicy.createHTML(serializedHTML)\n : serializedHTML;\n };\n\n /**\n * Public method to set the configuration once\n * setConfig\n *\n * @param {Object} cfg configuration object\n */\n DOMPurify.setConfig = function (cfg = {}) {\n _parseConfig(cfg);\n SET_CONFIG = true;\n };\n\n /**\n * Public method to remove the configuration\n * clearConfig\n *\n */\n DOMPurify.clearConfig = function () {\n CONFIG = null;\n SET_CONFIG = false;\n };\n\n /**\n * Public method to check if an attribute value is valid.\n * Uses last set config, if any. 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\ No newline at end of file diff --git a/views/default.handlebars b/views/default.handlebars index 4eb2df08..b4be70b2 100644 --- a/views/default.handlebars +++ b/views/default.handlebars @@ -47,6 +47,8 @@ + + {{{title}}} @@ -630,7 +632,7 @@ - +
    @@ -2970,7 +2972,7 @@ focusTextBox('d2devNotes'); } }else{ - if (message.notes) { QH('notesPanelArea', decodeURIComponent(message.notes)); } else { QH('notesPanelArea', ''); } + Q('notesPanelArea').innerHTML = (message.notes && marked && DOMPurify) ? DOMPurify.sanitize(marked.parse(decodeURIComponent(message.notes), { breaks: true }), { USE_PROFILES: { html: true } }) : ''; if (showNotesPanel && message.notes) { QV('notesPanel',true); }else{ QV('notesPanel', false); } } break; @@ -8153,13 +8155,14 @@ if (xxdialogMode) return; if (noteid == null) { noteid = encodeURIComponentEx('p'+userinfo._id); } var x = ''; - if (noteid.startsWith('node%2F%2F')) { x += '' + "Device group notes can be viewed and changed by other device group administrators." + ''; } + if (noteid.startsWith('node%2F%2F')) { x += ' ' + "Device group notes can be viewed and changed by other device group administrators." + ''; } + if (showNotesPanel) { x += '
    ' + "Markdown syntax supported" + ''; } setDialogMode(2, "Notes", 3, showNotesEx, x, noteid); meshserver.send({ action: 'getNotes', id: decodeURIComponent(noteid) }); } function showNotesEx(buttons, tag) { - QH('notesPanelArea', Q('d2devNotes').value); + Q('notesPanelArea').innerHTML = (marked && DOMPurify) ? DOMPurify.sanitize(marked.parse(Q('d2devNotes').value, { breaks: true }), { USE_PROFILES: { html: true } }) : Q('d2devNotes').value; meshserver.send({ action: 'setNotes', id: decodeURIComponent(tag), notes: encodeURIComponentEx(Q('d2devNotes').value) }); if (showNotesPanel && Q('d2devNotes').value != '') { QV('notesPanel',true); }else{ QV('notesPanel', false); } }