private getFocusableElement()

in src/focus.service.ts [346:369]

• 19 lines of code
• 5 McCabe index (conditional complexity)

  private getFocusableElement(
    direction: Direction,
    root: HTMLElement,
    refRect: ClientRect,
    ignore: Set<HTMLElement>,
  ): HTMLElement | null {
    let nextFocusableEl = this.findNextFocusable(direction, root, refRect, ignore);

    if (!nextFocusableEl) {
      return null;
    }

    const directive = this.registry.find(nextFocusableEl);
    if (directive && directive.arcFocusInside) {
      const elementInside = this.getFocusableElement(direction, nextFocusableEl, refRect, ignore);

      // get focusable again if no focusable elements inside the current element
      nextFocusableEl =
        elementInside ||
        this.getFocusableElement(direction, root, refRect, ignore.add(nextFocusableEl));
    }

    return nextFocusableEl;
  }