Handy React Snippets

unction enchanceDispatchWithLogger(dispatch) {
  return function (action) {
    console.groupCollapsed('Action Type:', action.type);
    return dispatch(action);
  }
}

function useReducerWithLogger(...args) {
  let prevState = useRef(initialState);
  const [state, dispatch] = useReducer(...args);

  const dispatchWithLogger = useMemo(() => {
    return enchanceDispatchWithLogger(dispatch);
  }, [dispatch]);

  useEffect(() => {
    if (state !== initialState) {
      console.log('Prev state: ', prevState.current);
      console.log('Next state: ', state);
      console.groupEnd();
    }
    prevState.current = state;
  }, [state]);


  return [state, dispatchWithLogger];
}

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