Function errorCodeOf

src/metrics.ts:243–244

(e: unknown)

  const userId = userIdFromProps(props)

  const errorCodeOf = (e: unknown): number =>
    typeof (e as { code?: unknown })?.code === 'number' ? (e as { code: number }).code : -1

  // Our tool callbacks signal failure by returning `{ isError: true }` rather
  // than throwing, so inspect the resolved result as well as the thrown path.