state.js

import {Structure} from 'redux-composite';

let highLevelState = {toggle: false, inc: [1, 2]};
const createStore = () => ({getState: () => highLevelState});

const composite1 = Structure({
    toggle: () => {},
    inc: [() => {}, () => {}]
});

composite1.createStore({createStore})();
const store1 = composite1.store;

store1.toggle.getState(); // false
store1.inc[0].getState(); // 1
store1.inc[1].getState(); // 2

const composite2 = Structure({
    toggle: () => {},
    inc: Structure([() => {}, () => {}])
});

composite2.createStore({createStore})();
const store2 = composite2.store;

store2.toggle.getState(); // false
store2.inc.store.getState(); // [1, 2]
store2.inc.structure[0].getState(); // 1
store2.inc.structure[1].getState(); // 2
composite2.getState(); // {toggle: false, inc: [1, 2]}
highLevelState.inc[0] = 3;
store2.inc.structure[0].getState(); // 3
composite2.getState(); // {toggle: false, inc: [3, 2]}