From 67ed6552b831df66713bac9e672738796128d33f Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Tue, 23 Jun 2020 14:10:17 +0200
Subject: Reorganize client shared modules

---
 client/src/app/shared/renderer/markdown.service.ts | 145 ---------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 client/src/app/shared/renderer/markdown.service.ts

(limited to 'client/src/app/shared/renderer/markdown.service.ts')

diff --git a/client/src/app/shared/renderer/markdown.service.ts b/client/src/app/shared/renderer/markdown.service.ts
deleted file mode 100644
index f0c87326f..000000000
--- a/client/src/app/shared/renderer/markdown.service.ts
+++ /dev/null
@@ -1,145 +0,0 @@
-import { Injectable } from '@angular/core'
-import { buildVideoLink } from '../../../assets/player/utils'
-import { HtmlRendererService } from '@app/shared/renderer/html-renderer.service'
-import * as MarkdownIt from 'markdown-it'
-
-type MarkdownParsers = {
-  textMarkdownIt: MarkdownIt
-  textWithHTMLMarkdownIt: MarkdownIt
-
-  enhancedMarkdownIt: MarkdownIt
-  enhancedWithHTMLMarkdownIt: MarkdownIt
-
-  completeMarkdownIt: MarkdownIt
-}
-
-type MarkdownConfig = {
-  rules: string[]
-  html: boolean
-  escape?: boolean
-}
-
-type MarkdownParserConfigs = {
-  [id in keyof MarkdownParsers]: MarkdownConfig
-}
-
-@Injectable()
-export class MarkdownService {
-  static TEXT_RULES = [
-    'linkify',
-    'autolink',
-    'emphasis',
-    'link',
-    'newline',
-    'list'
-  ]
-  static TEXT_WITH_HTML_RULES = MarkdownService.TEXT_RULES.concat([ 'html_inline', 'html_block' ])
-
-  static ENHANCED_RULES = MarkdownService.TEXT_RULES.concat([ 'image' ])
-  static ENHANCED_WITH_HTML_RULES = MarkdownService.TEXT_WITH_HTML_RULES.concat([ 'image' ])
-
-  static COMPLETE_RULES = MarkdownService.ENHANCED_WITH_HTML_RULES.concat([ 'block', 'inline', 'heading', 'paragraph' ])
-
-  private markdownParsers: MarkdownParsers = {
-    textMarkdownIt: null,
-    textWithHTMLMarkdownIt: null,
-    enhancedMarkdownIt: null,
-    enhancedWithHTMLMarkdownIt: null,
-    completeMarkdownIt: null
-  }
-  private parsersConfig: MarkdownParserConfigs = {
-    textMarkdownIt: { rules: MarkdownService.TEXT_RULES, html: false },
-    textWithHTMLMarkdownIt: { rules: MarkdownService.TEXT_WITH_HTML_RULES, html: true, escape: true },
-
-    enhancedMarkdownIt: { rules: MarkdownService.ENHANCED_RULES, html: false },
-    enhancedWithHTMLMarkdownIt: { rules: MarkdownService.ENHANCED_WITH_HTML_RULES, html: true, escape: true },
-
-    completeMarkdownIt: { rules: MarkdownService.COMPLETE_RULES, html: true }
-  }
-
-  constructor (private htmlRenderer: HtmlRendererService) {}
-
-  textMarkdownToHTML (markdown: string, withHtml = false) {
-    if (withHtml) return this.render('textWithHTMLMarkdownIt', markdown)
-
-    return this.render('textMarkdownIt', markdown)
-  }
-
-  enhancedMarkdownToHTML (markdown: string, withHtml = false) {
-    if (withHtml) return this.render('enhancedWithHTMLMarkdownIt', markdown)
-
-    return this.render('enhancedMarkdownIt', markdown)
-  }
-
-  completeMarkdownToHTML (markdown: string) {
-    return this.render('completeMarkdownIt', markdown)
-  }
-
-  async processVideoTimestamps (html: string) {
-    return html.replace(/((\d{1,2}):)?(\d{1,2}):(\d{1,2})/g, function (str, _, h, m, s) {
-      const t = (3600 * +(h || 0)) + (60 * +(m || 0)) + (+(s || 0))
-      const url = buildVideoLink({ startTime: t })
-      return `<a class="video-timestamp" href="${url}">${str}</a>`
-    })
-  }
-
-  private async render (name: keyof MarkdownParsers, markdown: string) {
-    if (!markdown) return ''
-
-    const config = this.parsersConfig[ name ]
-    if (!this.markdownParsers[ name ]) {
-      this.markdownParsers[ name ] = await this.createMarkdownIt(config)
-    }
-
-    let html = this.markdownParsers[ name ].render(markdown)
-    html = this.avoidTruncatedTags(html)
-
-    if (config.escape) return this.htmlRenderer.toSafeHtml(html)
-
-    return html
-  }
-
-  private async createMarkdownIt (config: MarkdownConfig) {
-    // FIXME: import('...') returns a struct module, containing a "default" field
-    const MarkdownItClass: typeof import ('markdown-it') = (await import('markdown-it') as any).default
-
-    const markdownIt = new MarkdownItClass('zero', { linkify: true, breaks: true, html: config.html })
-
-    for (const rule of config.rules) {
-      markdownIt.enable(rule)
-    }
-
-    this.setTargetToLinks(markdownIt)
-
-    return markdownIt
-  }
-
-  private setTargetToLinks (markdownIt: MarkdownIt) {
-    // Snippet from markdown-it documentation: https://github.com/markdown-it/markdown-it/blob/master/docs/architecture.md#renderer
-    const defaultRender = markdownIt.renderer.rules.link_open || function (tokens, idx, options, env, self) {
-      return self.renderToken(tokens, idx, options)
-    }
-
-    markdownIt.renderer.rules.link_open = function (tokens, index, options, env, self) {
-      const token = tokens[index]
-
-      const targetIndex = token.attrIndex('target')
-      if (targetIndex < 0) token.attrPush([ 'target', '_blank' ])
-      else token.attrs[targetIndex][1] = '_blank'
-
-      const relIndex = token.attrIndex('rel')
-      if (relIndex < 0) token.attrPush([ 'rel', 'noopener noreferrer' ])
-      else token.attrs[relIndex][1] = 'noopener noreferrer'
-
-      // pass token to default renderer.
-      return defaultRender(tokens, index, options, env, self)
-    }
-  }
-
-  private avoidTruncatedTags (html: string) {
-    return html.replace(/\*\*?([^*]+)$/, '$1')
-      .replace(/<a[^>]+>([^<]+)<\/a>\s*...((<\/p>)|(<\/li>)|(<\/strong>))?$/mi, '$1...')
-      .replace(/\[[^\]]+\]\(([^\)]+)$/m, '$1')
-      .replace(/\s?\[[^\]]+\]?[.]{3}<\/p>$/m, '...</p>')
-  }
-}
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