Method toggleDirection

src/dev-app/dev-app/dev-app-layout.ts:215–221

(value: Direction = this.state.direction === 'ltr' ? 'rtl' : 'ltr')

  }

  toggleDirection(value: Direction = this.state.direction === 'ltr' ? 'rtl' : 'ltr') {
    if (value !== this._dir.value) {
      this._dir.value = this.state.direction = value;
      this._changeDetectorRef.markForCheck();
      setAppState(this.state);
    }
  }

  toggleM3(value = !this.state.m3Enabled) {
    // We need to diff this one since it's a bit more expensive to toggle.