text: import React, { Component } from 'react';
  import PropTypes from 'prop-types';
  import ButtonDropdown from './ButtonDropdown';
  import { omit } from './utils';
  
  const omitKeys = ['defaultOpen'];
  
  export default class UncontrolledButtonDropdown extends Component {
    constructor(props) {
      super(props);
  
      this.state = { isOpen: props.defaultOpen || false };
      this.toggle = this.toggle.bind(this);
    }
  
    toggle() {
      this.setState({ isOpen: !this.state.isOpen });
    }
  
    render() {
      return <ButtonDropdown isOpen={this.state.isOpen} toggle={this.toggle} {...omit(this.props, omitKeys)} />;
    }
  }
  
  UncontrolledButtonDropdown.propTypes = {
    defaultOpen: PropTypes.bool,
    ...ButtonDropdown.propTypes
  };
  