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Diffstat (limited to 'src/util/transform-content.js')
| -rw-r--r-- | src/util/transform-content.js | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/src/util/transform-content.js b/src/util/transform-content.js deleted file mode 100644 index 454cb37..0000000 --- a/src/util/transform-content.js +++ /dev/null @@ -1,452 +0,0 @@ -// See also replacer.js, which covers the actual syntax parser and node -// interpreter. This file works with replacer.js to provide higher-level -// interfaces for converting various content found in wiki data to HTML for -// display on the site. - -export {transformInline} from './replacer.js'; - -export const replacerSpec = { - album: { - find: 'album', - link: 'album', - }, - 'album-commentary': { - find: 'album', - link: 'albumCommentary', - }, - 'album-gallery': { - find: 'album', - link: 'albumGallery', - }, - artist: { - find: 'artist', - link: 'artist', - }, - 'artist-gallery': { - find: 'artist', - link: 'artistGallery', - }, - 'commentary-index': { - find: null, - link: 'commentaryIndex', - }, - date: { - find: null, - value: (ref) => new Date(ref), - html: (date, {html, language}) => - html.tag('time', - {datetime: date.toString()}, - language.formatDate(date)), - }, - 'flash-index': { - find: null, - link: 'flashIndex', - }, - flash: { - find: 'flash', - link: 'flash', - transformName(name, node, input) { - const nextCharacter = input[node.iEnd]; - const lastCharacter = name[name.length - 1]; - if (![' ', '\n', '<'].includes(nextCharacter) && lastCharacter === '.') { - return name.slice(0, -1); - } else { - return name; - } - }, - }, - group: { - find: 'group', - link: 'groupInfo', - }, - 'group-gallery': { - find: 'group', - link: 'groupGallery', - }, - home: { - find: null, - link: 'home', - }, - 'listing-index': { - find: null, - link: 'listingIndex', - }, - listing: { - find: 'listing', - link: 'listing', - }, - media: { - find: null, - link: 'media', - }, - 'news-index': { - find: null, - link: 'newsIndex', - }, - 'news-entry': { - find: 'newsEntry', - link: 'newsEntry', - }, - root: { - find: null, - link: 'root', - }, - site: { - find: null, - link: 'site', - }, - static: { - find: 'staticPage', - link: 'staticPage', - }, - string: { - find: null, - value: (ref) => ref, - html: (ref, {language, args}) => language.$(ref, args), - }, - tag: { - find: 'artTag', - link: 'tag', - }, - track: { - find: 'track', - link: 'track', - }, -}; - -function splitLines(text) { - return text.split(/\r\n|\r|\n/); -} - -function joinLineBreaks(sourceLines) { - const outLines = []; - - let lineSoFar = ''; - for (let i = 0; i < sourceLines.length; i++) { - const line = sourceLines[i]; - lineSoFar += line; - if (!line.endsWith('<br>')) { - outLines.push(lineSoFar); - lineSoFar = ''; - } - } - - if (lineSoFar) { - outLines.push(lineSoFar); - } - - return outLines; -} - -function parseAttributes(string, {to}) { - const attributes = Object.create(null); - const skipWhitespace = (i) => { - const ws = /\s/; - if (ws.test(string[i])) { - const match = string.slice(i).match(/[^\s]/); - if (match) { - return i + match.index; - } else { - return string.length; - } - } else { - return i; - } - }; - - for (let i = 0; i < string.length; ) { - i = skipWhitespace(i); - const aStart = i; - const aEnd = i + string.slice(i).match(/[\s=]|$/).index; - const attribute = string.slice(aStart, aEnd); - i = skipWhitespace(aEnd); - if (string[i] === '=') { - i = skipWhitespace(i + 1); - let end, endOffset; - if (string[i] === '"' || string[i] === "'") { - end = string[i]; - endOffset = 1; - i++; - } else { - end = '\\s'; - endOffset = 0; - } - const vStart = i; - const vEnd = i + string.slice(i).match(new RegExp(`${end}|$`)).index; - const value = string.slice(vStart, vEnd); - i = vEnd + endOffset; - if (attribute === 'src' && value.startsWith('media/')) { - attributes[attribute] = to('media.path', value.slice('media/'.length)); - } else { - attributes[attribute] = value; - } - } else { - attributes[attribute] = attribute; - } - } - return Object.fromEntries( - Object.entries(attributes).map(([key, val]) => [ - key, - val === 'true' - ? true - : val === 'false' - ? false - : val === key - ? true - : val, - ]) - ); -} - -function unbound_transformMultiline(text, { - img, - to, - transformInline, - - thumb = null, -}) { - // Heck yes, HTML magics. - - text = transformInline(text.trim()); - - const outLines = []; - - const indentString = ' '.repeat(4); - - let levelIndents = []; - const openLevel = (indent) => { - // opening a sublist is a pain: to be semantically *and* visually - // correct, we have to append the <ul> at the end of the existing - // previous <li> - const previousLine = outLines[outLines.length - 1]; - if (previousLine?.endsWith('</li>')) { - // we will re-close the <li> later - outLines[outLines.length - 1] = previousLine.slice(0, -5) + ' <ul>'; - } else { - // if the previous line isn't a list item, this is the opening of - // the first list level, so no need for indent - outLines.push('<ul>'); - } - levelIndents.push(indent); - }; - const closeLevel = () => { - levelIndents.pop(); - if (levelIndents.length) { - // closing a sublist, so close the list item containing it too - outLines.push(indentString.repeat(levelIndents.length) + '</ul></li>'); - } else { - // closing the final list level! no need for indent here - outLines.push('</ul>'); - } - }; - - // okay yes we should support nested formatting, more than one blockquote - // layer, etc, but hear me out here: making all that work would basically - // be the same as implementing an entire markdown converter, which im not - // interested in doing lol. sorry!!! - let inBlockquote = false; - - let lines = splitLines(text); - lines = joinLineBreaks(lines); - for (let line of lines) { - const imageLine = line.startsWith('<img'); - line = line.replace(/<img (.*?)>/g, (match, attributes) => - img({ - lazy: true, - link: true, - thumb, - ...parseAttributes(attributes, {to}), - }) - ); - - let indentThisLine = 0; - let lineContent = line; - let lineTag = 'p'; - - const listMatch = line.match(/^( *)- *(.*)$/); - if (listMatch) { - // is a list item! - if (!levelIndents.length) { - // first level is always indent = 0, regardless of actual line - // content (this is to avoid going to a lesser indent than the - // initial level) - openLevel(0); - } else { - // find level corresponding to indent - const indent = listMatch[1].length; - let i; - for (i = levelIndents.length - 1; i >= 0; i--) { - if (levelIndents[i] <= indent) break; - } - // note: i cannot equal -1 because the first indentation level - // is always 0, and the minimum indentation is also 0 - if (levelIndents[i] === indent) { - // same indent! return to that level - while (levelIndents.length - 1 > i) closeLevel(); - // (if this is already the current level, the above loop - // will do nothing) - } else if (levelIndents[i] < indent) { - // lesser indent! branch based on index - if (i === levelIndents.length - 1) { - // top level is lesser: add a new level - openLevel(indent); - } else { - // lower level is lesser: return to that level - while (levelIndents.length - 1 > i) closeLevel(); - } - } - } - // finally, set variables for appending content line - indentThisLine = levelIndents.length; - lineContent = listMatch[2]; - lineTag = 'li'; - } else { - // not a list item! close any existing list levels - while (levelIndents.length) closeLevel(); - - // like i said, no nested shenanigans - quotes only appear outside - // of lists. sorry! - const quoteMatch = line.match(/^> *(.*)$/); - if (quoteMatch) { - // is a quote! open a blockquote tag if it doesnt already exist - if (!inBlockquote) { - inBlockquote = true; - outLines.push('<blockquote>'); - } - indentThisLine = 1; - lineContent = quoteMatch[1]; - } else if (inBlockquote) { - // not a quote! close a blockquote tag if it exists - inBlockquote = false; - outLines.push('</blockquote>'); - } - - // let some escaped symbols display as the normal symbol, since the - // point of escaping them is just to avoid having them be treated as - // syntax markers! - if (lineContent.match(/( *)\\-/)) { - lineContent = lineContent.replace('\\-', '-'); - } else if (lineContent.match(/( *)\\>/)) { - lineContent = lineContent.replace('\\>', '>'); - } - } - - if (lineTag === 'p') { - // certain inline element tags should still be postioned within a - // paragraph; other elements (e.g. headings) should be added as-is - const elementMatch = line.match(/^<(.*?)[ >]/); - if ( - elementMatch && - !imageLine && - ![ - 'a', - 'abbr', - 'b', - 'bdo', - 'br', - 'cite', - 'code', - 'data', - 'datalist', - 'del', - 'dfn', - 'em', - 'i', - 'img', - 'ins', - 'kbd', - 'mark', - 'output', - 'picture', - 'q', - 'ruby', - 'samp', - 'small', - 'span', - 'strong', - 'sub', - 'sup', - 'svg', - 'time', - 'var', - 'wbr', - ].includes(elementMatch[1]) - ) { - lineTag = ''; - } - - // for sticky headings! - if (elementMatch && elementMatch[1] === 'h2') { - lineContent = lineContent.replace(/<h2(.*?)>/g, (match, attributes) => { - const parsedAttributes = parseAttributes(attributes, {to}); - return `<h2 ${html.attributes({ - ...parsedAttributes, - class: [...parsedAttributes.class?.split(' ') ?? [], 'content-heading'], - })}>`; - }); - } - } - - let pushString = indentString.repeat(indentThisLine); - if (lineTag) { - pushString += `<${lineTag}>${lineContent}</${lineTag}>`; - } else { - pushString += lineContent; - } - outLines.push(pushString); - } - - // after processing all lines... - - // if still in a list, close all levels - while (levelIndents.length) closeLevel(); - - // if still in a blockquote, close its tag - if (inBlockquote) { - inBlockquote = false; - outLines.push('</blockquote>'); - } - - return outLines.join('\n'); -} - -function unbound_transformLyrics(text, { - transformInline, - transformMultiline, -}) { - // Different from transformMultiline 'cuz it joins multiple lines together - // with line 8reaks (<br>); transformMultiline treats each line as its own - // complete paragraph (or list, etc). - - // If it looks like old data, then like, oh god. - // Use the normal transformMultiline tool. - if (text.includes('<br')) { - return transformMultiline(text); - } - - text = transformInline(text.trim()); - - let buildLine = ''; - const addLine = () => outLines.push(`<p>${buildLine}</p>`); - const outLines = []; - for (const line of text.split('\n')) { - if (line.length) { - if (buildLine.length) { - buildLine += '<br>'; - } - buildLine += line; - } else if (buildLine.length) { - addLine(); - buildLine = ''; - } - } - if (buildLine.length) { - addLine(); - } - return outLines.join('\n'); -} - -export { - unbound_transformLyrics as transformLyrics, - unbound_transformMultiline as transformMultiline -} |