diff options
Diffstat (limited to 'web/react/utils/markdown.jsx')
| -rw-r--r-- | web/react/utils/markdown.jsx | 154 |
1 files changed, 140 insertions, 14 deletions
diff --git a/web/react/utils/markdown.jsx b/web/react/utils/markdown.jsx index 7a4e70054..179416ea0 100644 --- a/web/react/utils/markdown.jsx +++ b/web/react/utils/markdown.jsx @@ -6,7 +6,71 @@ const Utils = require('./utils.jsx'); const marked = require('marked'); -export class MattermostMarkdownRenderer extends marked.Renderer { +const highlightJs = require('highlight.js/lib/highlight.js'); +const highlightJsDiff = require('highlight.js/lib/languages/diff.js'); +const highlightJsApache = require('highlight.js/lib/languages/apache.js'); +const highlightJsMakefile = require('highlight.js/lib/languages/makefile.js'); +const highlightJsHttp = require('highlight.js/lib/languages/http.js'); +const highlightJsJson = require('highlight.js/lib/languages/json.js'); +const highlightJsMarkdown = require('highlight.js/lib/languages/markdown.js'); +const highlightJsJavascript = require('highlight.js/lib/languages/javascript.js'); +const highlightJsCss = require('highlight.js/lib/languages/css.js'); +const highlightJsNginx = require('highlight.js/lib/languages/nginx.js'); +const highlightJsObjectivec = require('highlight.js/lib/languages/objectivec.js'); +const highlightJsPython = require('highlight.js/lib/languages/python.js'); +const highlightJsXml = require('highlight.js/lib/languages/xml.js'); +const highlightJsPerl = require('highlight.js/lib/languages/perl.js'); +const highlightJsBash = require('highlight.js/lib/languages/bash.js'); +const highlightJsPhp = require('highlight.js/lib/languages/php.js'); +const highlightJsCoffeescript = require('highlight.js/lib/languages/coffeescript.js'); +const highlightJsCs = require('highlight.js/lib/languages/cs.js'); +const highlightJsCpp = require('highlight.js/lib/languages/cpp.js'); +const highlightJsSql = require('highlight.js/lib/languages/sql.js'); +const highlightJsGo = require('highlight.js/lib/languages/go.js'); +const highlightJsRuby = require('highlight.js/lib/languages/ruby.js'); +const highlightJsJava = require('highlight.js/lib/languages/java.js'); +const highlightJsIni = require('highlight.js/lib/languages/ini.js'); + +const Constants = require('../utils/constants.jsx'); +const HighlightedLanguages = Constants.HighlightedLanguages; + +class MattermostInlineLexer extends marked.InlineLexer { + constructor(links, options) { + super(links, options); + + this.rules = Object.assign({}, this.rules); + + // modified version of the regex that doesn't break up words in snake_case, + // allows for links starting with www, and allows links succounded by parentheses + // the original is /^[\s\S]+?(?=[\\<!\[_*`~]|https?:\/\/| {2,}\n|$)/ + this.rules.text = /^[\s\S]+?(?=[^\w\/]_|[\\<!\[*`~]|https?:\/\/|www\.|\(| {2,}\n|$)/; + + // modified version of the regex that allows links starting with www and those surrounded + // by parentheses + // the original is /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/ + this.rules.url = /^(\(?(?:https?:\/\/|www\.)[^\s<.][^\s<]*[^<.,:;"'\]\s])/; + + // modified version of the regex that allows <links> starting with www. + // the original is /^<([^ >]+(@|:\/)[^ >]+)>/ + this.rules.autolink = /^<((?:[^ >]+(@|:\/)|www\.)[^ >]+)>/; + } +} + +class MattermostParser extends marked.Parser { + parse(src) { + this.inline = new MattermostInlineLexer(src.links, this.options, this.renderer); + this.tokens = src.reverse(); + + var out = ''; + while (this.next()) { + out += this.tok(); + } + + return out; + } +} + +class MattermostMarkdownRenderer extends marked.Renderer { constructor(options, formattingOptions = {}) { super(options); @@ -15,6 +79,49 @@ export class MattermostMarkdownRenderer extends marked.Renderer { this.text = this.text.bind(this); this.formattingOptions = formattingOptions; + + highlightJs.registerLanguage('diff', highlightJsDiff); + highlightJs.registerLanguage('apache', highlightJsApache); + highlightJs.registerLanguage('makefile', highlightJsMakefile); + highlightJs.registerLanguage('http', highlightJsHttp); + highlightJs.registerLanguage('json', highlightJsJson); + highlightJs.registerLanguage('markdown', highlightJsMarkdown); + highlightJs.registerLanguage('javascript', highlightJsJavascript); + highlightJs.registerLanguage('css', highlightJsCss); + highlightJs.registerLanguage('nginx', highlightJsNginx); + highlightJs.registerLanguage('objectivec', highlightJsObjectivec); + highlightJs.registerLanguage('python', highlightJsPython); + highlightJs.registerLanguage('xml', highlightJsXml); + highlightJs.registerLanguage('perl', highlightJsPerl); + highlightJs.registerLanguage('bash', highlightJsBash); + highlightJs.registerLanguage('php', highlightJsPhp); + highlightJs.registerLanguage('coffeescript', highlightJsCoffeescript); + highlightJs.registerLanguage('cs', highlightJsCs); + highlightJs.registerLanguage('cpp', highlightJsCpp); + highlightJs.registerLanguage('sql', highlightJsSql); + highlightJs.registerLanguage('go', highlightJsGo); + highlightJs.registerLanguage('ruby', highlightJsRuby); + highlightJs.registerLanguage('java', highlightJsJava); + highlightJs.registerLanguage('ini', highlightJsIni); + } + + code(code, language) { + let usedLanguage = language; + + if (String(usedLanguage).toLocaleLowerCase() === 'html') { + usedLanguage = 'xml'; + } + + if (!usedLanguage || highlightJs.listLanguages().indexOf(usedLanguage) < 0) { + let parsed = super.code(code, usedLanguage); + return '<div class="post-body--code"><code class="hljs">' + TextFormatting.sanitizeHtml($(parsed).text()) + '</code></div>'; + } + + let parsed = highlightJs.highlight(usedLanguage, code); + return '<div class="post-body--code">' + + '<span class="post-body--code__language">' + HighlightedLanguages[usedLanguage] + '</span>' + + '<code class="hljs">' + parsed.value + '</code>' + + '</div>'; } br() { @@ -32,8 +139,20 @@ export class MattermostMarkdownRenderer extends marked.Renderer { link(href, title, text) { let outHref = href; + let outText = text; + let prefix = ''; + let suffix = ''; + + // some links like https://en.wikipedia.org/wiki/Rendering_(computer_graphics) contain brackets + // and we try our best to differentiate those from ones just wrapped in brackets when autolinking + if (outHref.startsWith('(') && outHref.endsWith(')') && text === outHref) { + prefix = '('; + suffix = ')'; + outText = text.substring(1, text.length - 1); + outHref = outHref.substring(1, outHref.length - 1); + } - if (!(/^(mailto|https?|ftp)/.test(outHref))) { + if (!(/[a-z+.-]+:/i).test(outHref)) { outHref = `http://${outHref}`; } @@ -48,30 +167,37 @@ export class MattermostMarkdownRenderer extends marked.Renderer { output += ' target="_blank">'; } - output += text + '</a>'; + output += outText + '</a>'; - return output; + return prefix + output + suffix; } paragraph(text) { - let outText = text; - - if (!('emoticons' in this.options) || this.options.emoticon) { - outText = TextFormatting.doFormatEmoticons(text); - } - if (this.formattingOptions.singleline) { - return `<p class="markdown__paragraph-inline">${outText}</p>`; + return `<p class="markdown__paragraph-inline">${text}</p>`; } - return super.paragraph(outText); + return super.paragraph(text); } table(header, body) { return `<table class="markdown__table"><thead>${header}</thead><tbody>${body}</tbody></table>`; } - text(text) { - return TextFormatting.doFormatText(text, this.formattingOptions); + text(txt) { + return TextFormatting.doFormatText(txt, this.formattingOptions); } } + +export function format(text, options) { + const markdownOptions = { + renderer: new MattermostMarkdownRenderer(null, options), + sanitize: true, + gfm: true + }; + + const tokens = marked.lexer(text, markdownOptions); + + return new MattermostParser(markdownOptions).parse(tokens); +} + |