Method constructor

packages/core/src/render3/ng_module_ref.ts:48–77

(
    private readonly ngModuleType: Type<T>,
    public _parent: Injector | null,
    additionalProviders: Array<Provider | EnvironmentProviders>,
    runInjectorInitializers = true,
  )

  destroyCbs: (() => void)[] | null = [];

  constructor(
    private readonly ngModuleType: Type<T>,
    public _parent: Injector | null,
    additionalProviders: Array<Provider | EnvironmentProviders>,
    runInjectorInitializers = true,
  ) {
    super();
    const ngModuleDef = getNgModuleDef(ngModuleType);
    ngDevMode &&
      assertDefined(
        ngModuleDef,
        `NgModule '${stringify(ngModuleType)}' is not a subtype of 'NgModuleType'.`,
      );

    this._bootstrapComponents = maybeUnwrapFn(ngModuleDef!.bootstrap);
    this._r3Injector = createInjectorWithoutInjectorInstances(
      ngModuleType,
      _parent,
      [{provide: viewEngine_NgModuleRef, useValue: this}, ...additionalProviders],
      stringify(ngModuleType),
      new Set(['environment']),
    ) as R3Injector;

    // We need to resolve the injector types separately from the injector creation, because
    // the module might be trying to use this ref in its constructor for DI which will cause a
    // circular error that will eventually error out, because the injector isn't created yet.
    if (runInjectorInitializers) {
      this.resolveInjectorInitializers();
    }
  }

  resolveInjectorInitializers() {
    this._r3Injector.resolveInjectorInitializers();