Method _focusActiveOption

src/cdk/listbox/listbox.ts:891–896

Focus the active option.

()

  /** Focus the active option. */
  private _focusActiveOption() {
    if (!this.useActiveDescendant) {
      this.listKeyManager.activeItem?.focus();
    }
    this.changeDetectorRef.markForCheck();
  }

  /**
   * Set the selected values.