Created
February 12, 2018 15:39
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| const redux = require('redux'); | |
| const createStore = redux.createStore; | |
| const initialState = { | |
| counter:0 | |
| } | |
| // Order matters Reducer -> Store -> Subscription -> dispatcher | |
| // Reducer | |
| const reducer = (state = initialState,action) => { | |
| if(action.type === 'INC_COUNTER'){ | |
| return { | |
| ...state, | |
| counter: state.counter+1 | |
| } | |
| }else if(action.type === 'ADD_COUNTER'){ | |
| return { | |
| ...state, | |
| counter: state.counter+action.value | |
| } | |
| } | |
| return state; | |
| } | |
| //Store | |
| const store = new createStore(reducer); | |
| console.log(store.getState()); | |
| //Subscription | |
| store.subscribe(() => { | |
| console.log('[Subscribed Data] ',store.getState()); | |
| }); | |
| // Disptacher | |
| store.dispatch({type: 'INC_COUNTER'}); | |
| store.dispatch({type: 'ADD_COUNTER',value:10}); | |
| console.log(store.getState()); |
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