Grommet select onEnter

Select.js

_onEnter (event) {
  const { onChange, options } = this.props;
  const { activeOptionIndex } = this.state;
  const { intl } = this.context;
  event.preventDefault(); // prevent submitting forms
  const option = options[activeOptionIndex >= 0 ? activeOptionIndex : 0];
  const value = this._valueForSelectedOption(option);
  this.setState({ dropActive: false, value }, () => {
    const optionMessage = this._renderLabel(option);
    const selectedMessage = Intl.getMessage(intl, 'Selected');
    announce(`${optionMessage} ${selectedMessage}`);
  });
  if (onChange) {
    onChange({ target: this.inputRef, option, value });
  }
}