72 lines
1.6 KiB
TypeScript
72 lines
1.6 KiB
TypeScript
import crypto from 'crypto'
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import scopeCss from '@patarapolw/scope-css'
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import cheerio from 'cheerio'
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import jieba from 'nodejieba'
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import showdown from 'showdown'
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export class MakeHTML {
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$ = cheerio.load('')
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mdConverter = new showdown.Converter({
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noHeaderId: true,
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parseImgDimensions: true,
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simplifiedAutoLink: true,
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// literalMidWordUnderscores: true,
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strikethrough: true,
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tables: true,
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tasklists: true,
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simpleLineBreaks: true,
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openLinksInNewWindow: true,
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backslashEscapesHTMLTags: true,
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emoji: true,
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underline: true,
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metadata: true,
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})
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constructor(private slug: string) {
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/**
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* ! For some reasons default underscore italic fails to render...
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*/
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this.mdConverter.addExtension(
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{
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type: 'lang',
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regex: /([^\\])_{1}(.*?[^\\])_{1}/g,
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replace: '$1<i>$2</i>',
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},
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'underscore-italic'
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)
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}
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parse(md: string): string {
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const id =
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'md-' +
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crypto
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.createHash('sha256')
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.update(this.slug || md)
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.digest()
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.toString('hex')
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.substr(8)
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const $div = this.$(`<div id="${id}">`)
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$div.html(this.mdConverter.makeHtml(md))
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$div.find('style').each((_, el) => {
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const $el = this.$(el)
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const html = $el.html() || ''
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if (html.trim()) {
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$el.html(scopeCss(html, `#${id}`))
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}
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})
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return this.$('<div>').append($div).html() || ''
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}
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clean(md: string): string {
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const $div = this.$('<div>')
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$div.html(this.mdConverter.makeHtml(md))
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$div.remove('style')
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return jieba.cutForSearch($div.html() || '').join(' ')
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}
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}
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