nano-store type size min.js 1kb gzip 300b Install $ npm install --save mico-store Use import micoStore from 'mico-store'; const store = micoStore({ name: 'dog', age: 5, }); const unListen = store.listen(state => { console.log(state); // {name:'cat', age: 5} }); store.setState({ name: 'cat', });