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-rw-r--r--client/src/app/shared/renderer/markdown.service.ts85
1 files changed, 57 insertions, 28 deletions
diff --git a/client/src/app/shared/renderer/markdown.service.ts b/client/src/app/shared/renderer/markdown.service.ts
index 9aec3b4bc..09bbbfb7e 100644
--- a/client/src/app/shared/renderer/markdown.service.ts
+++ b/client/src/app/shared/renderer/markdown.service.ts
@@ -1,6 +1,24 @@
1import { Injectable } from '@angular/core' 1import { Injectable } from '@angular/core'
2
3import { MarkdownIt } from 'markdown-it' 2import { MarkdownIt } from 'markdown-it'
3import { HtmlRendererService } from '@app/shared/renderer/html-renderer.service'
4import { mark } from '@angular/compiler-cli/src/ngtsc/perf/src/clock'
5
6type MarkdownParsers = {
7 textMarkdownIt: MarkdownIt
8 enhancedMarkdownIt: MarkdownIt
9 enhancedMarkdownWithHTMLIt: MarkdownIt
10 completeMarkdownIt: MarkdownIt
11}
12
13type MarkdownConfig = {
14 rules: string[]
15 html: boolean
16 escape?: boolean
17}
18
19type MarkdownParserConfigs = {
20 [id in keyof MarkdownParsers]: MarkdownConfig
21}
4 22
5@Injectable() 23@Injectable()
6export class MarkdownService { 24export class MarkdownService {
@@ -13,52 +31,63 @@ export class MarkdownService {
13 'list' 31 'list'
14 ] 32 ]
15 static ENHANCED_RULES = MarkdownService.TEXT_RULES.concat([ 'image' ]) 33 static ENHANCED_RULES = MarkdownService.TEXT_RULES.concat([ 'image' ])
16 static COMPLETE_RULES = MarkdownService.ENHANCED_RULES.concat([ 'block', 'inline', 'heading', 'html_inline', 'html_block', 'paragraph' ]) 34 static ENHANCED_WITH_HTML_RULES = MarkdownService.ENHANCED_RULES.concat([ 'html_inline', 'html_block' ])
35 static COMPLETE_RULES = MarkdownService.ENHANCED_WITH_HTML_RULES.concat([ 'block', 'inline', 'heading', 'paragraph' ])
36
37 private markdownParsers: MarkdownParsers = {
38 textMarkdownIt: null,
39 enhancedMarkdownIt: null,
40 enhancedMarkdownWithHTMLIt: null,
41 completeMarkdownIt: null
42 }
43 private parsersConfig: MarkdownParserConfigs = {
44 textMarkdownIt: { rules: MarkdownService.TEXT_RULES, html: false },
45 enhancedMarkdownIt: { rules: MarkdownService.ENHANCED_RULES, html: false },
46 enhancedMarkdownWithHTMLIt: { rules: MarkdownService.ENHANCED_WITH_HTML_RULES, html: true, escape: true },
47 completeMarkdownIt: { rules: MarkdownService.COMPLETE_RULES, html: true }
48 }
17 49
18 private textMarkdownIt: MarkdownIt 50 constructor (private htmlRenderer: HtmlRendererService) {}
19 private enhancedMarkdownIt: MarkdownIt
20 private completeMarkdownIt: MarkdownIt
21 51
22 async textMarkdownToHTML (markdown: string) { 52 textMarkdownToHTML (markdown: string) {
23 if (!markdown) return '' 53 return this.render('textMarkdownIt', markdown)
54 }
24 55
25 if (!this.textMarkdownIt) { 56 async enhancedMarkdownToHTML (markdown: string, withHtml = false) {
26 this.textMarkdownIt = await this.createMarkdownIt(MarkdownService.TEXT_RULES) 57 if (withHtml) return this.render('enhancedMarkdownWithHTMLIt', markdown)
27 }
28 58
29 const html = this.textMarkdownIt.render(markdown) 59 return this.render('enhancedMarkdownIt', markdown)
30 return this.avoidTruncatedTags(html) 60 }
61
62 async completeMarkdownToHTML (markdown: string) {
63 return this.render('completeMarkdownIt', markdown)
31 } 64 }
32 65
33 async enhancedMarkdownToHTML (markdown: string) { 66 private async render (name: keyof MarkdownParsers, markdown: string) {
34 if (!markdown) return '' 67 if (!markdown) return ''
35 68
36 if (!this.enhancedMarkdownIt) { 69 const config = this.parsersConfig[ name ]
37 this.enhancedMarkdownIt = await this.createMarkdownIt(MarkdownService.ENHANCED_RULES) 70 if (!this.markdownParsers[ name ]) {
71 this.markdownParsers[ name ] = await this.createMarkdownIt(config)
38 } 72 }
39 73
40 const html = this.enhancedMarkdownIt.render(markdown) 74 let html = this.markdownParsers[ name ].render(markdown)
41 return this.avoidTruncatedTags(html) 75 html = this.avoidTruncatedTags(html)
42 }
43 76
44 async completeMarkdownToHTML (markdown: string) { 77 console.log(html)
45 if (!markdown) return ''
46 78
47 if (!this.completeMarkdownIt) { 79 if (config.escape) return this.htmlRenderer.toSafeHtml(html)
48 this.completeMarkdownIt = await this.createMarkdownIt(MarkdownService.COMPLETE_RULES, true)
49 }
50 80
51 const html = this.completeMarkdownIt.render(markdown) 81 return html
52 return this.avoidTruncatedTags(html)
53 } 82 }
54 83
55 private async createMarkdownIt (rules: string[], html = false) { 84 private async createMarkdownIt (config: MarkdownConfig) {
56 // FIXME: import('...') returns a struct module, containing a "default" field corresponding to our sanitizeHtml function 85 // FIXME: import('...') returns a struct module, containing a "default" field corresponding to our sanitizeHtml function
57 const MarkdownItClass: typeof import ('markdown-it') = (await import('markdown-it') as any).default 86 const MarkdownItClass: typeof import ('markdown-it') = (await import('markdown-it') as any).default
58 87
59 const markdownIt = new MarkdownItClass('zero', { linkify: true, breaks: true, html }) 88 const markdownIt = new MarkdownItClass('zero', { linkify: true, breaks: true, html: config.html })
60 89
61 for (const rule of rules) { 90 for (const rule of config.rules) {
62 markdownIt.enable(rule) 91 markdownIt.enable(rule)
63 } 92 }
64 93