Method constructor

src/aria/grid/grid.ts:150–170

()

  readonly activeDescendant = computed(() => this._pattern.activeDescendant());

  constructor() {
    // Use Write mode for all direct DOM focus management actions.
    afterRenderEffect({write: () => this._pattern.setDefaultStateEffect()});
    afterRenderEffect({write: () => this._pattern.resetStateEffect()});
    afterRenderEffect({write: () => this._pattern.resetFocusEffect()});
    afterRenderEffect({write: () => this._pattern.restoreFocusEffect()});
    afterRenderEffect({write: () => this._pattern.focusEffect()});

    // Check for any violations after the DOM has been updated.
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      afterRenderEffect({
        read: () => {
          reportViolations(this._pattern.validate(), this.element);
        },
      });
    }

    afterNextRender(() => {
      this._collection.startObserving(this.element);
    });
  }

  ngOnDestroy() {
    this._collection.stopObserving();