Method ngAfterContentInit

src/material/stepper/stepper.ts:227–259

()

  }

  override ngAfterContentInit() {
    super.ngAfterContentInit();
    this._icons.forEach(({name, templateRef}) => (this._iconOverrides[name] = templateRef));

    // Mark the component for change detection whenever the content children query changes
    this.steps.changes.pipe(takeUntil(this._destroyed)).subscribe(() => this._stateChanged());

    // Transition events won't fire if animations are disabled so we simulate them.
    this.selectedIndexChange.pipe(takeUntil(this._destroyed)).subscribe(() => {
      const duration = this._getAnimationDuration();
      if (duration === '0ms' || duration === '0s') {
        this._onAnimationDone();
      } else {
        this._isAnimating.set(true);
      }
    });

    this._ngZone.runOutsideAngular(() => {
      if (!this._animationsDisabled) {
        setTimeout(() => {
          // Delay enabling the animations so we don't animate the initial state.
          this._elementRef.nativeElement.classList.add('mat-stepper-animations-enabled');

          // Bind this outside the zone since it fires for all transitions inside the stepper.
          this._cleanupTransition = this._renderer.listen(
            this._elementRef.nativeElement,
            'transitionend',
            this._handleTransitionend,
          );
        }, 200);
      }
    });
  }

  override ngAfterViewInit(): void {
    super.ngAfterViewInit();