diff options
Diffstat (limited to 'app/assets/javascripts/behaviors/markdown/copy_as_gfm.js')
| -rw-r--r-- | app/assets/javascripts/behaviors/markdown/copy_as_gfm.js | 107 |
1 files changed, 62 insertions, 45 deletions
diff --git a/app/assets/javascripts/behaviors/markdown/copy_as_gfm.js b/app/assets/javascripts/behaviors/markdown/copy_as_gfm.js index 0d7e8a5a3cb..fe02096d903 100644 --- a/app/assets/javascripts/behaviors/markdown/copy_as_gfm.js +++ b/app/assets/javascripts/behaviors/markdown/copy_as_gfm.js @@ -34,7 +34,7 @@ const gfmRules = { }, }, AutolinkFilter: { - 'a'(el, text) { + a(el, text) { // Fallback on the regular MarkdownFilter's `a` handler. if (text !== el.getAttribute('href')) return false; @@ -60,7 +60,7 @@ const gfmRules = { }, }, ImageLazyLoadFilter: { - 'img'(el, text) { + img(el, text) { return `})`; }, }, @@ -71,7 +71,7 @@ const gfmRules = { return CopyAsGFM.nodeToGFM(videoEl); }, - 'video'(el) { + video(el) { return `})`; }, }, @@ -118,11 +118,14 @@ const gfmRules = { 'a[name]:not([href]):empty'(el) { return el.outerHTML; }, - 'dl'(el, text) { - let lines = text.replace(/\n\n/g, '\n').trim().split('\n'); + dl(el, text) { + let lines = text + .replace(/\n\n/g, '\n') + .trim() + .split('\n'); // Add two spaces to the front of subsequent list items lines, // or leave the line entirely blank. - lines = lines.map((l) => { + lines = lines.map(l => { const line = l.trim(); if (line.length === 0) return ''; @@ -151,27 +154,30 @@ const gfmRules = { // Prefixes lines with 4 spaces if the code contains triple backticks if (lang === '' && text.match(/^```/gm)) { - return text.split('\n').map((l) => { - const line = l.trim(); - if (line.length === 0) return ''; - - return ` ${line}`; - }).join('\n'); + return text + .split('\n') + .map(l => { + const line = l.trim(); + if (line.length === 0) return ''; + + return ` ${line}`; + }) + .join('\n'); } return `\`\`\`${lang}\n${text}\n\`\`\``; }, 'pre > code'(el, text) { - // Don't wrap code blocks in `` + // Don't wrap code blocks in `` return text; }, }, MarkdownFilter: { - 'br'(el) { + br(el) { // Two spaces at the end of a line are turned into a BR return ' '; }, - 'code'(el, text) { + code(el, text) { let backtickCount = 1; const backtickMatch = text.match(/`+/); if (backtickMatch) { @@ -183,27 +189,31 @@ const gfmRules = { return backticks + spaceOrNoSpace + text.trim() + spaceOrNoSpace + backticks; }, - 'blockquote'(el, text) { - return text.trim().split('\n').map(s => `> ${s}`.trim()).join('\n'); + blockquote(el, text) { + return text + .trim() + .split('\n') + .map(s => `> ${s}`.trim()) + .join('\n'); }, - 'img'(el) { + img(el) { const imageSrc = el.src; - const imageUrl = imageSrc && imageSrc !== placeholderImage ? imageSrc : (el.dataset.src || ''); + const imageUrl = imageSrc && imageSrc !== placeholderImage ? imageSrc : el.dataset.src || ''; return ``; }, 'a.anchor'(el, text) { // Don't render a Markdown link for the anchor link inside a heading return text; }, - 'a'(el, text) { + a(el, text) { return `[${text}](${el.getAttribute('href')})`; }, - 'li'(el, text) { + li(el, text) { const lines = text.trim().split('\n'); const firstLine = `- ${lines.shift()}`; // Add four spaces to the front of subsequent list items lines, // or leave the line entirely blank. - const nextLines = lines.map((s) => { + const nextLines = lines.map(s => { if (s.trim().length === 0) return ''; return ` ${s}`; @@ -211,49 +221,49 @@ const gfmRules = { return `${firstLine}\n${nextLines.join('\n')}`; }, - 'ul'(el, text) { + ul(el, text) { return text; }, - 'ol'(el, text) { + ol(el, text) { // LIs get a `- ` prefix by default, which we replace by `1. ` for ordered lists. - return text.replace(/^- /mg, '1. '); + return text.replace(/^- /gm, '1. '); }, - 'h1'(el, text) { + h1(el, text) { return `# ${text.trim()}\n`; }, - 'h2'(el, text) { + h2(el, text) { return `## ${text.trim()}\n`; }, - 'h3'(el, text) { + h3(el, text) { return `### ${text.trim()}\n`; }, - 'h4'(el, text) { + h4(el, text) { return `#### ${text.trim()}\n`; }, - 'h5'(el, text) { + h5(el, text) { return `##### ${text.trim()}\n`; }, - 'h6'(el, text) { + h6(el, text) { return `###### ${text.trim()}\n`; }, - 'strong'(el, text) { + strong(el, text) { return `**${text}**`; }, - 'em'(el, text) { + em(el, text) { return `_${text}_`; }, - 'del'(el, text) { + del(el, text) { return `~~${text}~~`; }, - 'hr'(el) { + hr(el) { // extra leading \n is to ensure that there is a blank line between // a list followed by an hr, otherwise this breaks old redcarpet rendering return '\n-----\n'; }, - 'p'(el, text) { + p(el, text) { return `${text.trim()}\n`; }, - 'table'(el) { + table(el) { const theadEl = el.querySelector('thead'); const tbodyEl = el.querySelector('tbody'); if (!theadEl || !tbodyEl) return false; @@ -263,8 +273,8 @@ const gfmRules = { return [theadText, tbodyText].join('\n'); }, - 'thead'(el, text) { - const cells = _.map(el.querySelectorAll('th'), (cell) => { + thead(el, text) { + const cells = _.map(el.querySelectorAll('th'), cell => { let chars = CopyAsGFM.nodeToGFM(cell).length + 2; let before = ''; @@ -296,7 +306,7 @@ const gfmRules = { return [text, separatorRow].join('\n'); }, - 'tr'(el) { + tr(el) { const cellEls = el.querySelectorAll('td, th'); if (cellEls.length === 0) return false; @@ -315,8 +325,12 @@ export class CopyAsGFM { const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent); if (isIOS) return; - $(document).on('copy', '.md, .wiki', (e) => { CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformGFMSelection); }); - $(document).on('copy', 'pre.code.highlight, .diff-content .line_content', (e) => { CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformCodeSelection); }); + $(document).on('copy', '.md, .wiki', e => { + CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformGFMSelection); + }); + $(document).on('copy', 'pre.code.highlight, .diff-content .line_content', e => { + CopyAsGFM.copyAsGFM(e, CopyAsGFM.transformCodeSelection); + }); $(document).on('paste', '.js-gfm-input', CopyAsGFM.pasteGFM); } @@ -356,7 +370,7 @@ export class CopyAsGFM { // This will break down when the actual code block contains an uneven // number of backticks, but this is a rare edge case. const backtickMatch = textBefore.match(/`/g); - const insideCodeBlock = backtickMatch && (backtickMatch.length % 2) === 1; + const insideCodeBlock = backtickMatch && backtickMatch.length % 2 === 1; if (insideCodeBlock) { return text; @@ -393,7 +407,9 @@ export class CopyAsGFM { let lineSelector = '.line'; if (target) { - const lineClass = ['left-side', 'right-side'].filter(name => target.classList.contains(name))[0]; + const lineClass = ['left-side', 'right-side'].filter(name => + target.classList.contains(name), + )[0]; if (lineClass) { lineSelector = `.line_content.${lineClass} ${lineSelector}`; } @@ -436,7 +452,8 @@ export class CopyAsGFM { return node.textContent; } - const respectWhitespace = respectWhitespaceParam || (node.nodeName === 'PRE' || node.nodeName === 'CODE'); + const respectWhitespace = + respectWhitespaceParam || (node.nodeName === 'PRE' || node.nodeName === 'CODE'); const text = this.innerGFM(node, respectWhitespace); |