handleSubmit.js

handleSubmit(event) {
  event.preventDefault();
  this.setState({ isSubmitting: true });
  opencage
    .geocode({ key: this.state.apikey, q: this.state.query })
    .then(response => {
      console.log(response);
      this.setState({ response, isSubmitting: false });
    })
    .catch(err => {
      console.error(err);
      this.setState({ response: {}, isSubmitting: false });
    });
}