wehub-resource-sync
15 lines
493 B
TypeScript
15 lines
493 B
TypeScript
// Return the URL only if it uses an http(s) scheme, else `undefined` so callers
|
|
// can fall back to a default. Use for any URL rendered into an `<a href>`.
|
|
|
|
const SAFE_HTTP_PROTOCOLS = new Set(["http:", "https:"]);
|
|
|
|
export function sanitizeHttpUrl(url: string | undefined | null): string | undefined {
|
|
if (!url) return undefined;
|
|
try {
|
|
const parsed = new URL(url);
|
|
return SAFE_HTTP_PROTOCOLS.has(parsed.protocol) ? parsed.href : undefined;
|
|
} catch {
|
|
return undefined;
|
|
}
|
|
}
|