UIStore

UIStore.js

import { action, observable } from 'mobx';

const DEFAULT_STATE = {
  counter: 0,
};

class UIStore {
  @observable state;

  constructor(initialState = DEFAULT_STATE) {
    this.state = Object.assign({}, initialState);
  }

  @action
  incrementCounter = () => {
    this.state.counter += 1;
  };
}

export default UIStore;