Method ngAfterViewInit

src/cdk/text-field/autosize.ts:155–178

()

  }

  ngAfterViewInit() {
    if (this._platform.isBrowser) {
      // Remember the height which we started with in case autosizing is disabled
      this._initialHeight = this._textareaElement.style.height;
      this.resizeToFitContent();

      this._ngZone.runOutsideAngular(() => {
        this._listenerCleanups = [
          this._renderer.listen('window', 'resize', () => this._resizeEvents.next()),
          this._renderer.listen(this._textareaElement, 'focus', this._handleFocusEvent),
          this._renderer.listen(this._textareaElement, 'blur', this._handleFocusEvent),
        ];
        this._resizeEvents.pipe(auditTime(16)).subscribe(() => {
          // Clear the cached heights since the styles can change
          // when the window is resized (e.g. by media queries).
          this._cachedLineHeight = this._cachedPlaceholderHeight = undefined;
          this.resizeToFitContent(true);
        });
      });

      this._isViewInited = true;
      this.resizeToFitContent(true);
    }
  }

  ngOnDestroy() {
    this._listenerCleanups?.forEach(cleanup => cleanup());