trigger: function trigger()

in community/front-end/ofe/website/ghpcfe/static/js/bootstrap.esm.js [578:642]
49 lines of code
12 McCabe index (conditional complexity)

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

    var typeEvent = event.replace(stripNameRegex, '');
    var inNamespace = event !== typeEvent;
    var isNative = nativeEvents.indexOf(typeEvent) > -1;
    var jQueryEvent;
    var bubbles = true;
    var nativeDispatch = true;
    var defaultPrevented = false;
    var 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: bubbles,
        cancelable: true
      });
    } // merge custom information in our event


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

    if (defaultPrevented) {
      evt.preventDefault();

      if (!defaultPreventedPreservedOnDispatch) {
        Object.defineProperty(evt, 'defaultPrevented', {
          get: function get() {
            return true;
          }
        });
      }
    }

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

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

    return evt;
  }