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feat: add support for val.town embeds (#6821)

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Achille Lacoin 2023-07-28 16:55:40 +02:00 committed by GitHub
parent 66bac50de3
commit 1acc646534
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1 changed files with 12 additions and 0 deletions
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12
src/element/embeddable.ts
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@ -40,6 +40,9 @@ const RE_TWITTER = /(?:http(?:s)?:\/\/)?(?:(?:w){3}.)?twitter.com/;
const RE_TWITTER_EMBED =
/^<blockquote[\s\S]*?\shref=["'](https:\/\/twitter.com\/[^"']*)/i;
const RE_VALTOWN =
/^https:\/\/(?:www\.)?val.town\/(v|embed)\/[a-zA-Z_$][0-9a-zA-Z_$]+\.[a-zA-Z_$][0-9a-zA-Z_$]+/;
const RE_GENERIC_EMBED =
/^<(?:iframe|blockquote)[\s\S]*?\s(?:src|href)=["']([^"']*)["'][\s\S]*?>$/i;
@ -53,6 +56,7 @@ const ALLOWED_DOMAINS = new Set([
"gist.github.com",
"twitter.com",
"stackblitz.com",
"val.town",
]);
const createSrcDoc = (body: string) => {
@ -122,6 +126,14 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
return { link, aspectRatio, type };
}
const valLink = link.match(RE_VALTOWN);
if (valLink) {
link =
valLink[1] === "embed" ? valLink[0] : valLink[0].replace("/v", "/embed");
embeddedLinkCache.set(originalLink, { link, aspectRatio, type });
return { link, aspectRatio, type };
}
if (RE_TWITTER.test(link)) {
let ret: EmbeddedLink;
// assume embed code