public findNextFocus()

in src/focus-strategies/focus-by-registry.ts [3:31]

29 lines of code
10 McCabe index (conditional complexity)


  public findNextFocus(direction: Direction, arcHandler: IArcHandler) {
    const selectedEl = arcHandler;
    if (selectedEl) {
      switch (direction) {
        case Direction.LEFT:
          if (selectedEl.arcFocusLeft) {
            return this.getElement(selectedEl.arcFocusLeft);
          }
          break;
        case Direction.RIGHT:
          if (selectedEl.arcFocusRight) {
            return this.getElement(selectedEl.arcFocusRight);
          }
          break;
        case Direction.UP:
          if (selectedEl.arcFocusUp) {
            return this.getElement(selectedEl.arcFocusUp);
          }
          break;
        case Direction.DOWN:
          if (selectedEl.arcFocusDown) {
            return this.getElement(selectedEl.arcFocusDown);
          }
          break;
        default:
      }
    }
    return null;
  }