draggable/scripts/test/helpers/event.js

import {withElementFromPoint} from './environment';

export function triggerEvent(element, type, data = {}) {
  const event = document.createEvent('Event');
  event.initEvent(type, true, true);

  for (const key in data) {
    if (data.hasOwnProperty(key)) {
      event[key] = data[key];
    }
  }

  withElementFromPoint(element, () => {
    element.dispatchEvent(event);
  });

  return event;
}