Function safeReturnTo

apps/cloud/src/auth/return-to.ts:24–25

(path: string | null | undefined)

/** The validated returnTo, or null when absent/unsafe. */
export const safeReturnTo = (path: string | null | undefined): string | null =>
  path && isSafeReturnTo(path) ? path : null;

/** The /login URL that comes back to `returnTo` ("/" needs no parameter). */
export const loginPath = (returnTo: string): string =>