Function setActivatedElement

core/src/utils/tap-click/index.ts:41–83

(el: HTMLElement | undefined, ev: UIEvent)

  };

  const setActivatedElement = (el: HTMLElement | undefined, ev: UIEvent) => {
    // do nothing
    if (el && el === activatableEle) {
      return;
    }
    if (activeDefer) clearTimeout(activeDefer);
    activeDefer = undefined;

    const { x, y } = pointerCoord(ev);

    // deactivate selected
    if (activatableEle) {
      if (clearDefers.has(activatableEle)) {
        throw new Error('internal error');
      }
      if (!activatableEle.classList.contains(ACTIVATED)) {
        addActivated(activatableEle, x, y);
      }
      removeActivated(true);
    }

    // activate
    if (el) {
      const deferId = clearDefers.get(el);
      if (deferId) {
        clearTimeout(deferId);
        clearDefers.delete(el);
      }

      el.classList.remove(ACTIVATED);
      const callback = () => {
        addActivated(el, x, y);
        activeDefer = undefined;
      };

      if (isInstant(el)) {
        callback();
      } else {
        activeDefer = setTimeout(callback, ADD_ACTIVATED_DEFERS);
      }
    }
    activatableEle = el;
  };

  const addActivated = (el: HTMLElement, x: number, y: number) => {
    lastActivated = Date.now();