Function errorString

src/utils.ts:48–58

(err: unknown)

}

export function errorString(err: unknown): string {
  if (err instanceof ZodError) {
    return `zod error:\n${prettifyError(err)}`;
  }

  if (err instanceof Error) {
    return `error ${err.name}: ${err.message}: ${err.cause}: ${err.stack}`;
  }

  return "unknown error: " + JSON.stringify(err);
}

export async function wrap<T, E = unknown>(fn: Promise<T>): Promise<[T, null] | [null, E]> {
  return fn.then((data) => [data, null] as [T, null]).catch((err) => [null, err as unknown as E] as [null, E]);