componentDidMount.jsx

class App extends Component {
  ...
  componentDidMount() {
    let { options } = this.state.options;
    options = options.map(o => {
    });
    fetch("https://jsonplaceholder.typicode.com/options")
        .then(options => JSON.parse(response))
        .then(options => (
            this.setState({
                options
            });  
        ));
  }
  ...
}