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Don't linkify when certain unicode formatting characters are present

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Scott Nonnenberg 2022-03-28 17:28:37 -07:00 • committed by GitHub
parent e62606361d
commit 006de5b1a5
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3 changed files with 50 additions and 1 deletions
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24
ts/types/LinkPreview.ts
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@ -38,6 +38,26 @@ export function shouldPreviewHref(href: string): boolean {
);
}
const DIRECTIONAL_OVERRIDES = /[\u202c\u202d\u202e]/;
const UNICODE_DRAWING = /[\u2500-\u25FF]/;
export function shouldLinkifyMessage(
message: string | null | undefined
): boolean {
if (!message) {
return true;
}
if (DIRECTIONAL_OVERRIDES.test(message)) {
return false;
}
if (UNICODE_DRAWING.test(message)) {
return false;
}
return true;
}
export function isStickerPack(link = ''): boolean {
return link.startsWith('https://signal.art/addstickers/');
}
@ -47,6 +67,10 @@ export function isGroupLink(link = ''): boolean {
}
export function findLinks(text: string, caretLocation?: number): Array<string> {
if (!shouldLinkifyMessage(text)) {
return [];
}
const haveCaretLocation = isNumber(caretLocation);
const textLength = text ? text.length : 0;