Method _attachDialogContent

src/cdk/dialog/dialog.ts:280–316

* Attaches the user-provided component to the already-created dialog container. * @param componentOrTemplateRef The type of component being loaded into the dialog, * or a TemplateRef to instantiate as the content. * @param dialogRef Reference to the dialog being opened. * @param dial

(
    componentOrTemplateRef: ComponentType<C> | TemplateRef<C>,
    dialogRef: DialogRef<R, C>,
    dialogContainer: DialogContainer,
    config: DialogConfig<D, DialogRef<R, C>>,
  )

   * @param config Configuration used to open the dialog.
   */
  private _attachDialogContent<R, D, C>(
    componentOrTemplateRef: ComponentType<C> | TemplateRef<C>,
    dialogRef: DialogRef<R, C>,
    dialogContainer: DialogContainer,
    config: DialogConfig<D, DialogRef<R, C>>,
  ) {
    if (componentOrTemplateRef instanceof TemplateRef) {
      const injector = this._createInjector(config, dialogRef, dialogContainer, undefined);
      let context: any = {$implicit: config.data, dialogRef};

      if (config.templateContext) {
        context = {
          ...context,
          ...(typeof config.templateContext === 'function'
            ? config.templateContext()
            : config.templateContext),
        };
      }

      dialogContainer.attachTemplatePortal(
        new TemplatePortal<C>(componentOrTemplateRef, null!, context, injector),
      );
    } else {
      const injector = this._createInjector(config, dialogRef, dialogContainer, this._injector);
      const contentRef = dialogContainer.attachComponentPortal<C>(
        new ComponentPortal(
          componentOrTemplateRef,
          config.viewContainerRef,
          injector,
          null,
          config.bindings,
        ),
      );
      (dialogRef as {componentRef: ComponentRef<C>}).componentRef = contentRef;
      (dialogRef as {componentInstance: C}).componentInstance = contentRef.instance;
    }
  }

  /**
   * Creates a custom injector to be used inside the dialog. This allows a component loaded inside