react-context-store.js

class Store extends Component {

  /*
    a lot of methods here
  */

  render() {
    const updaters = {/*methods what*/};
    const data = {/* this.state*/};
    const value = {
      data, updaters
    }
    return (
      <AppContext.Provider value={value}>
        {this.props.children}
      </AppContext.Provider>
    );
  }
}