Function createEvent

packages/dom-event-testing-library/domEvents.js:36–49

(type, data = {})

function emptyFunction() {}

function createEvent(type, data = {}) {
  const event = document.createEvent('CustomEvent');
  event.initCustomEvent(type, true, true);
  if (data != null) {
    Object.keys(data).forEach(key => {
      const value = data[key];
      if (key === 'timeStamp' && !value) {
        return;
      }
      Object.defineProperty(event, key, {value});
    });
  }
  return event;
}

function createGetModifierState(keyArg, data) {
  if (keyArg === 'Alt') {