cc4bbf99e4
* fixes #1395 * rehype plugin for embeds * fix lint * replace many plugins with one rehype and improve image collage * remove unused css * handle more custom markdown behavior in rehype * refactor markdown rendering more + better footnotes * move more markdown logic to reyhpe plugin + better headers * fix #1397 * refactor embeds out of media-or-link
43 lines
901 B
JavaScript
43 lines
901 B
JavaScript
import { gfmFromMarkdown } from 'mdast-util-gfm'
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import { visit } from 'unist-util-visit'
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import { gfm } from 'micromark-extension-gfm'
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import { fromMarkdown } from 'mdast-util-from-markdown'
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export function mdHas (md, test) {
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if (!md) return []
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const tree = fromMarkdown(md, {
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extensions: [gfm()],
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mdastExtensions: [gfmFromMarkdown()]
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})
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let found = false
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visit(tree, test, () => {
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found = true
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return false
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})
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return found
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}
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export function extractUrls (md) {
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if (!md) return []
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const tree = fromMarkdown(md, {
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extensions: [gfm()],
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mdastExtensions: [gfmFromMarkdown()]
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})
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const urls = new Set()
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visit(tree, ({ type }) => {
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return type === 'link' || type === 'image'
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}, ({ url }) => {
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urls.add(url)
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})
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return Array.from(urls)
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}
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export const quote = (orig) =>
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orig.split('\n')
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.map(line => `> ${line}`)
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.join('\n') + '\n'
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