Method detectChanges

packages/core/src/render3/view_ref.ts:307–315

* Checks the view and its children. * * This can also be used in combination with ChangeDetectorRef#detach to implement * local change detection checks. * * <!-- TODO: Add a link to a chapter on detach/reattach/local digest --> * <!-- TODO: Add a live demo once ref.detectCh

()

   * See {@link ChangeDetectorRef#detach} for more information.
   */
  detectChanges(): void {
    // Add `RefreshView` flag to ensure this view is refreshed if not already dirty.
    // `RefreshView` flag is used intentionally over `Dirty` because it gets cleared before
    // executing any of the actual refresh code while the `Dirty` flag doesn't get cleared
    // until the end of the refresh. Using `RefreshView` prevents creating a potential difference
    // in the state of the LViewFlags during template execution.
    this._lView[FLAGS] |= LViewFlags.RefreshView;
    detectChangesInternal(this._lView);
  }

  /**
   * Checks the change detector and its children, and throws if any changes are detected.