export default function simulate()

in example/persister/simulate.ts [21:57]

• 34 lines of code
• 6 McCabe index (conditional complexity)

export default function simulate(element, eventName, opts = {}) {
  const options = { ...DEFAULT_OPTIONS, ...opts };
  let oEvent = null;
  let eventType = null;

  for (let name in EVENT_MATCHERS) { //eslint-disable-line
    if (EVENT_MATCHERS[name].test(eventName)) {
      eventType = name;
      break;
    }
  }

  if (!eventType) {
    throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');
  }

  if (document.createEvent) {
    oEvent = document.createEvent(eventType);
    if (eventType === 'HTMLEvents') {
      oEvent.initEvent(eventName, options.bubbles, options.cancelable);
    } else {
      oEvent['initMouseEvent'](eventName, options.bubbles, options.cancelable, document.defaultView,
      options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
      options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
    }
    element.dispatchEvent(oEvent);
  } else {
    const evt = document['createEventObject']();
    element.fireEvent(`on${eventName}`, {
      ...evt,
      ...options,
      clientX: options.pointerX,
      clientY: options.pointerY,
    });
  }
  return element;
}