type PatternConfig = { name: string; regex: RegExp; }; const patterns: PatternConfig[] = [ { name: "Invite Token", regex: /^\/invite\?token=[a-zA-Z0-9-]+$/ }, { name: "Setup", regex: /^\/setup$/ }, { name: "Resource Auth Portal", regex: /^\/auth\/resource\/\d+$/ } ]; export function cleanRedirect(input: string): string { if (!input || typeof input !== "string") { return "/"; } const isAccepted = patterns.some((pattern) => pattern.regex.test(input)); return isAccepted ? input : "/"; }