firefish/packages/backend/src/misc/is-valid-url.ts

21 lines
440 B
TypeScript

export function isValidUrl(url: string | URL | undefined): boolean {
if (process.env.NODE_ENV !== "production") return true;
try {
if (url == null) return false;
const u = typeof url === "string" ? new URL(url) : url;
if (!u.protocol.match(/^https?:$/) || u.hostname === "unix") {
return false;
}
if (u.port !== "" && !["80", "443"].includes(u.port)) {
return false;
}
return true;
} catch {
return false;
}
}