executeDispatchesInOrderStopAtTrueImpl() — react Function Reference

Source Code

packages/react-native-renderer/src/legacy-events/EventPluginUtils.js lines 126–148

function executeDispatchesInOrderStopAtTrueImpl(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.
      if (dispatchListeners[i](event, dispatchInstances[i])) {
        return dispatchInstances[i];
      }
    }
  } else if (dispatchListeners) {
    if (dispatchListeners(event, dispatchInstances)) {
      return dispatchInstances;
    }
  }
  return null;
}