executeDispatchesInOrder() — react Function Reference

Source Code

packages/react-native-renderer/src/legacy-events/EventPluginUtils.js lines 86–117

export function executeDispatchesInOrder(event) {
  const dispatchListeners = event._dispatchListeners;
  const dispatchInstances = event._dispatchInstances;
  if (__DEV__) {
    validateEventDispatches(event);
  }
  if (isArray(dispatchListeners)) {
    for (let i = 0; i < dispatchListeners.length; i++) {
      if (event.isPropagationStopped()) {
        break;
      }
      // Listeners and Instances are two parallel arrays that are always in sync.
      const listener = dispatchListeners[i];
      const instance = dispatchInstances[i];
      if (__DEV__ && instance !== null) {
        runWithFiberInDEV(instance, executeDispatch, event, listener, instance);
      } else {
        executeDispatch(event, listener, instance);
      }
    }
  } else if (dispatchListeners) {
    const listener = dispatchListeners;
    const instance = dispatchInstances;
    if (__DEV__ && instance !== null) {
      runWithFiberInDEV(instance, executeDispatch, event, listener, instance);
    } else {
      executeDispatch(event, listener, instance);
    }
  }
  event._dispatchListeners = null;
  event._dispatchInstances = null;
}