smig/excalidraw
1
0
Fork 0
mirror of https://github.com/excalidraw/excalidraw.git synced 2025-05-03 10:00:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

feat: Added reddit links as embeddable (#8099)

Browse source 
feat: #8063 Added reddit links as embeddable

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>
This commit is contained in:
Subhadeep Sengupta 2024-09-28 11:49:18 +05:30 • committed by GitHub
parent 3fe1883f3f
commit a977dd1bf5
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 31 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

31
packages/excalidraw/element/embeddable.ts
View file

@ -45,6 +45,12 @@ const RE_GENERIC_EMBED =
const RE_GIPHY =
/giphy.com\/(?:clips|embed|gifs)\/[a-zA-Z0-9]*?-?([a-zA-Z0-9]+)(?:[^a-zA-Z0-9]|$)/;
const RE_REDDIT =
/^(?:http(?:s)?:\/\/)?(?:www\.)?reddit\.com\/r\/([a-zA-Z0-9_]+)\/comments\/([a-zA-Z0-9_]+)\/([a-zA-Z0-9_]+)\/?(?:\?[^#\s]*)?(?:#[^\s]*)?$/;
const RE_REDDIT_EMBED =
/^<blockquote[\s\S]*?\shref=["'](https?:\/\/(?:www\.)?reddit\.com\/[^"']*)/i;
const ALLOWED_DOMAINS = new Set([
"youtube.com",
"youtu.be",
@ -59,6 +65,7 @@ const ALLOWED_DOMAINS = new Set([
"stackblitz.com",
"val.town",
"giphy.com",
"reddit.com",
]);
const ALLOW_SAME_ORIGIN = new Set([
@ -71,6 +78,7 @@ const ALLOW_SAME_ORIGIN = new Set([
"x.com",
"*.simplepdf.eu",
"stackblitz.com",
"reddit.com",
]);
export const createSrcDoc = (body: string) => {
@ -218,6 +226,24 @@ export const getEmbedLink = (
return ret;
}
if (RE_REDDIT.test(link)) {
const [, page, postId, title] = link.match(RE_REDDIT)!;
const safeURL = sanitizeHTMLAttribute(
`https://reddit.com/r/${page}/comments/${postId}/${title}`,
);
const ret: IframeDataWithSandbox = {
type: "document",
srcdoc: (theme: string) =>
createSrcDoc(
`<blockquote class="reddit-embed-bq" data-embed-theme="${theme}"><a href="${safeURL}"></a><br></blockquote><script async="" src="https://embed.reddit.com/widgets.js" charset="UTF-8"></script>`,
),
intrinsicSize: { w: 480, h: 480 },
sandbox: { allowSameOrigin },
};
embeddedLinkCache.set(originalLink, ret);
return ret;
}
if (RE_GH_GIST.test(link)) {
const [, user, gistId] = link.match(RE_GH_GIST)!;
const safeURL = sanitizeHTMLAttribute(
@ -361,6 +387,11 @@ export const maybeParseEmbedSrc = (str: string): string => {
return twitterMatch[1];
}
const redditMatch = str.match(RE_REDDIT_EMBED);
if (redditMatch && redditMatch.length === 2) {
return redditMatch[1];
}
const gistMatch = str.match(RE_GH_GIST_EMBED);
if (gistMatch && gistMatch.length === 2) {
return gistMatch[1];