Function packMessage

packages/jest-worker/src/workers/safeMessageTransferring.ts:19–30

(message: unknown)

};

export function packMessage(message: unknown): TransferringContainer {
  return {
    __STRUCTURED_CLONE_SERIALIZED__: true,
    /**
     * Use the `json: true` option to avoid errors
     * caused by `function` or `symbol` types.
     * It's not ideal to lose `function` and `symbol` types,
     * but reliability is more important.
     */
    data: serialize(message, {json: true}),
  };
}

function isTransferringContainer(
  message: unknown,