Function executeDispatch

docs/lib/react.js:2856–2865

* Dispatch the event to the listener. * @param {SyntheticEvent} event SyntheticEvent to handle * @param {boolean} simulated If the event is simulated (changes exn behavior) * @param {function} listener Application-level callback * @param {*} inst Internal component instance

(event, simulated, listener, inst)

 * @param {*} inst Internal component instance
 */
function executeDispatch(event, simulated, listener, inst) {
  var type = event.type || 'unknown-event';
  event.currentTarget = EventPluginUtils.getNodeFromInstance(inst);
  if (simulated) {
    ReactErrorUtils.invokeGuardedCallbackWithCatch(type, listener, event);
  } else {
    ReactErrorUtils.invokeGuardedCallback(type, listener, event);
  }
  event.currentTarget = null;
}

/**
 * Standard/simple iteration through an event's collected dispatches.