trigger()

in src/site/assets/js/bootstrap.bundle.js [550:608]

• 43 lines of code
• 11 McCabe index (conditional complexity)

    trigger(element, event, args) {
      if (typeof event !== 'string' || !element) {
        return null;
      }

      const $ = getjQuery();
      const typeEvent = getTypeEvent(event);
      const inNamespace = event !== typeEvent;
      const isNative = nativeEvents.has(typeEvent);
      let jQueryEvent;
      let bubbles = true;
      let nativeDispatch = true;
      let defaultPrevented = false;
      let evt = null;

      if (inNamespace && $) {
        jQueryEvent = $.Event(event, args);
        $(element).trigger(jQueryEvent);
        bubbles = !jQueryEvent.isPropagationStopped();
        nativeDispatch = !jQueryEvent.isImmediatePropagationStopped();
        defaultPrevented = jQueryEvent.isDefaultPrevented();
      }

      if (isNative) {
        evt = document.createEvent('HTMLEvents');
        evt.initEvent(typeEvent, bubbles, true);
      } else {
        evt = new CustomEvent(event, {
          bubbles,
          cancelable: true
        });
      } // merge custom information in our event


      if (typeof args !== 'undefined') {
        Object.keys(args).forEach(key => {
          Object.defineProperty(evt, key, {
            get() {
              return args[key];
            }

          });
        });
      }

      if (defaultPrevented) {
        evt.preventDefault();
      }

      if (nativeDispatch) {
        element.dispatchEvent(evt);
      }

      if (evt.defaultPrevented && typeof jQueryEvent !== 'undefined') {
        jQueryEvent.preventDefault();
      }

      return evt;
    }