addCustomsEventListeners()

in src/components/Widget/index.js [334:361]

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

  addCustomsEventListeners(pageEventCallbacks) {
    const eventsListeners = [];

    pageEventCallbacks.forEach((pageEvent) => {
      const { event, payload, selector } = pageEvent;
      const sendPayload = () => {
        this.sendMessage(payload);
      };

      if (event && payload && selector) {
        const elemList = document.querySelectorAll(selector);
        if (elemList.length > 0) {
          elemList.forEach((elem) => {
            eventsListeners.push({ elem, event, sendPayload });
            elem.addEventListener(event, sendPayload);
          });
        }
      }
    });

    const cleaner = () => {
      eventsListeners.forEach((eventsListener) => {
        eventsListener.elem.removeEventListener(eventsListener.event, eventsListener.sendPayload);
      });
    };

    return cleaner;
  }