Method ngAfterContentInit

src/cdk/listbox/listbox.ts:462–481

()

  }

  ngAfterContentInit() {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      this._verifyNoOptionValueCollisions();
      this._verifyOptionValues();
    }

    this._initKeyManager();

    // Update the internal value whenever the options or the model value changes.
    merge(this.selectionModel.changed, this.options.changes)
      .pipe(startWith(null), takeUntil(this.destroyed))
      .subscribe(() => this._updateInternalValue());

    this._optionClicked
      .pipe(
        filter(({option}) => !option.disabled),
        takeUntil(this.destroyed),
      )
      .subscribe(({option, event}) => this._handleOptionClicked(option, event));
  }

  ngOnDestroy() {
    this._cleanupWindowBlur?.();