const redux = require("redux")
const initialState = {
    count: 0
}

function reducer(state=initialState, action) {
    switch(action.type) {
        case "INCREMENT":
            return {
                count: state.count + 1
            }
        case "DECREMENT":
            return {
                count: state.count - 1
            }
        default:
            return state
    }
}

const store = redux.createStore(reducer)

store.subscribe(() => {
    console.log(store.getState())
})

store.dispatch({type: "INCREMENT"})
store.dispatch({type: "INCREMENT"})
store.dispatch({type: "DECREMENT"})