Method constructor

src/ink/focus.ts:21–25

(
    dispatchFocusEvent: (target: DOMElement, event: FocusEvent) => boolean,
  )

  private focusStack: DOMElement[] = []

  constructor(
    dispatchFocusEvent: (target: DOMElement, event: FocusEvent) => boolean,
  ) {
    this.dispatchFocusEvent = dispatchFocusEvent
  }

  focus(node: DOMElement): void {
    if (node === this.activeElement) return