Function reportSuccess

packages/jest-worker/src/workers/threadChild.ts:112–135

(result: unknown)

}

function reportSuccess(result: unknown) {
  if (isMainThread) {
    throw new Error('Child can only be used on a forked process');
  }

  try {
    parentPort!.postMessage([PARENT_MESSAGE_OK, result]);
  } catch (error) {
    let resolvedError = error;
    // Try to handle https://html.spec.whatwg.org/multipage/structured-data.html#structuredserializeinternal
    // for `symbols` and `functions`
    if (isDataCloneError(error)) {
      try {
        parentPort!.postMessage([PARENT_MESSAGE_OK, packMessage(result)]);
        return;
      } catch (secondTryError) {
        resolvedError = secondTryError;
      }
    }
    // Handling it here to avoid unhandled rejection
    // which is hard to distinguish on the parent side
    reportClientError(resolvedError as Error);
  }
}

function reportClientError(error: Error) {
  return reportError(error, PARENT_MESSAGE_CLIENT_ERROR);