Function code

packages/core/src/util/flock.ts:69–74

(err: unknown)

  }

  function code(err: unknown) {
    if (typeof err !== "object" || err === null || !("code" in err)) return
    const value = err.code
    if (typeof value !== "string") return
    return value
  }

  function sleep(ms: number, signal?: AbortSignal) {
    return new Promise<void>((resolve, reject) => {