1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import type { Ref } from 'vue'
import { marked } from 'marked'
import { computed } from 'vue'
import dompurify from 'dompurify'
export const useMarkdown = (text: Ref<string|undefined|null>, minHeadingLevel: Ref<number|undefined>) => {
const minHeading = computed(() => Math.min(Math.max(minHeadingLevel.value ?? 1, 1), 6))
const renderer = new marked.Renderer()
renderer.link = function(href, title, text) {
let out = `<a href="${href}" rel="noreferrer noopener" target="_blank"`
if (title) {
out += ' title="' + title + '"'
}
out += '>' + text + '</a>'
return out
}
renderer.image = function(href, title, text) {
if (text) {
return text
}
return title ?? ''
}
renderer.heading = (text: string, level: number) => {
const headingLevel = Math.max(minHeading.value, level)
return `<h${headingLevel}>${text}</h${headingLevel}>`
}
const html = computed(() => dompurify.sanitize(
marked((text.value ?? '').trim(), {
renderer,
gfm: false,
breaks: false,
pedantic: false,
}),
{
SAFE_FOR_JQUERY: true,
ALLOWED_TAGS: [
'h1',
'h2',
'h3',
'h4',
'h5',
'h6',
'strong',
'p',
'a',
'ul',
'ol',
'li',
'em',
'del',
'blockquote',
],
},
))
return { html }
}
|
