Function initializeESM

lib/internal/modules/esm/utils.js:303–310

* Initializes handling of ES modules. * @param {boolean} [shouldSpawnLoaderHookWorker] Whether the custom loader worker * should be spawned later.

(shouldSpawnLoaderHookWorker = true)

 *   should be spawned later.
 */
function initializeESM(shouldSpawnLoaderHookWorker = true) {
  _shouldSpawnLoaderHookWorker = shouldSpawnLoaderHookWorker;
  initializeDefaultConditions();
  // Setup per-realm callbacks that locate data or callbacks that we keep
  // track of for different ESM modules.
  setInitializeImportMetaObjectCallback(initializeImportMetaObject);
  setImportModuleDynamicallyCallback(importModuleDynamicallyCallback);
}

/**
 * Determine whether the custom loader worker should be spawned when initializing