text: const round = (number) => Math.round(number * 100) / 100;
  
  const monitorReducerEnhancer =
    (createStore) => (reducer, initialState, enhancer) => {
      const monitoredReducer = (state, action) => {
        const start = performance.now();
        const newState = reducer(state, action);
        const end = performance.now();
        const diff = round(end - start);
  
        console.log(`${action.type} took:`, diff);
  
        return newState;
      };
  
      return createStore(monitoredReducer, initialState, enhancer);
    };
  
  export default monitorReducerEnhancer;
  