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Can't say I've seen enough to be confident on the best library but redux (https://github.com/reduxjs/redux https://github.com/reduxjs/redux) is just so simple,

• icc97 8y ago
  In Dan Abramov's excellent egghead redux course [0] he implements the `createStore` from scratch which is the core of redux, it's simple enough to post here: const createStore = (reducer) => { let state; let listeners = []; const getState = () => state; const dispatch = (action) => { state = reducer(state, action); listeners.map(listener => listener()); }; const subscribe = (listener) => { listeners.push(listener); // unsubscribe return () => { listeners = listeners.filter(l => l !== listener) }; }; // populate initial state dispatch({}); return { getState, dispatch, subscribe }; }; [0]: https://egghead.io/lessons/react-redux-implementing-store-from-scratch https://egghead.io/lessons/react-redux-implementing-store-fr...