Created
May 1, 2016 15:18
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redux createStore code
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const createStore = (reducer) => { | |
let state; | |
let listeners = []; | |
const getState = () => state; | |
const dispatch = action => { | |
state = reducer(state, action); | |
listeners.forEach(l => l()); | |
} | |
const subscribe = listener => { | |
listeners.push(listener); | |
return () => { | |
listeners = listeners.filter(l => l !== listener); | |
} | |
} | |
dispatch({}); | |
return {getState, dispatch, subscribe}; | |
} |
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