Function executeInWorker

e2e/integration_tests/custom_bundle_test.ts:314–340

* Helper function for executing scripts in a webworker. We use * webworkers to get isolated contexts for tests for custom bundles. * * @param programUrl url to script to run in worker * @param debug debug mode

(
    programUrl: string, opts: {debug?: boolean, workerParams?: {}})

 * @param debug debug mode
 */
async function executeInWorker(
    programUrl: string, opts: {debug?: boolean, workerParams?: {}}) {
  return new Promise((resolve, reject) => {
    const debug = opts.debug || false;
    const workerParams = opts.workerParams || {};
    const worker = new Worker(programUrl);

    worker.addEventListener('message', (evt) => {
      if (evt.data.error) {
        reject(evt.data.payload);
      }

      if (debug && evt.data.msg) {
        console.log('msg from worker: ', evt.data);
      }

      if (evt.data.result) {
        if (debug) {
          console.log('result from worker: ', evt.data.result);
        }
        resolve(evt.data.payload);
      }
    }, false);

    worker.postMessage(workerParams);  // Send data to our worker.
  });
}