How to set default start and end date about react-datepicker

[tresko]

Here is an example:

const initialState = {
  startDate: new Date(), // Default start date
  endDate: new Date(), // Default end date
  focusedInput: null
};

function reducer(state, action) {
  switch (action.type) {
    case "focusChange":
      return { ...state, focusedInput: action.payload };
    case "dateChange":
      return action.payload;
    default:
      throw new Error();
  }
}

...
  const [state, dispatch] = useReducer(reducer, initialState);