react-native-unit-components/lib/module/hooks/useEventListener.js

Unit React Native components

import { useEffect, useRef } from 'react';
import { eventBus } from '../utils/eventBus';
/**
 * Hook to listen to events from the EventBus
 * Automatically subscribes on mount and unsubscribes on unmount
 */
export const useEventListener = listener => {
  const actionRef = useRef(listener.action);

  // Keep action ref up to date
  useEffect(() => {
    actionRef.current = listener.action;
  }, [listener.action]);
  useEffect(() => {
    // Subscribe to the event
    const unsubscribe = eventBus.on(listener.busEventKey, data => {
      actionRef.current(data);
    });

    // Cleanup: unsubscribe when component unmounts
    return unsubscribe;
  }, [listener.busEventKey]);
};
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