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next.js/examples/with-apollo-and-redux/lib/store.js

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import { createStore, applyMiddleware } from 'redux'
import { composeWithDevTools } from 'redux-devtools-extension'
import thunkMiddleware from 'redux-thunk'
const exampleInitialState = {
lastUpdate: 0,
light: false,
count: 0
}
export const actionTypes = {
ADD: 'ADD',
TICK: 'TICK'
}
// REDUCERS
export const reducer = (state = exampleInitialState, action) => {
switch (action.type) {
case actionTypes.TICK:
return Object.assign({}, state, { lastUpdate: action.ts, light: !!action.light })
case actionTypes.ADD:
return Object.assign({}, state, {
count: state.count + 1
})
default: return state
}
}
// ACTIONS
export const serverRenderClock = (isServer) => dispatch => {
return dispatch({ type: actionTypes.TICK, light: !isServer, ts: Date.now() })
}
export const startClock = () => dispatch => {
return setInterval(() => dispatch({ type: actionTypes.TICK, light: true, ts: Date.now() }), 800)
}
export const addCount = () => dispatch => {
return dispatch({ type: actionTypes.ADD })
}
export const initStore = (initialState = exampleInitialState) => {
return createStore(reducer, initialState, composeWithDevTools(applyMiddleware(thunkMiddleware)))
}