const initalState = { data: [], isCount: true }; const reducer = (state = initalState, action) => { switch (action.type) { case "GETITEM": return { ...state, ...action.res }; case "NOTFOUNDITEM": return { ...state, data: [], error: action.msg, status: action.status }; case "COUNT": console.log(state.isCount); return { ...state, isCount: !state.isCount }; default: return state; } }; export default reducer;