content: import React from 'react';
  import PropTypes from 'prop-types';
  import TransitionMotion from 'react-motion/lib/TransitionMotion';
  import spring from 'react-motion/lib/spring';
  import BundleContainer from '../containers/bundle_container';
  import BundleModalError from './bundle_modal_error';
  import ModalLoading from './modal_loading';
  import ActionsModal from '../components/actions_modal';
  import {
    MediaModal,
    OnboardingModal,
    VideoModal,
    BoostModal,
    ConfirmationModal,
    ReportModal,
  } from '../../../features/ui/util/async-components';
  
  const MODAL_COMPONENTS = {
    'MEDIA': MediaModal,
    'ONBOARDING': OnboardingModal,
    'VIDEO': VideoModal,
    'BOOST': BoostModal,
    'CONFIRM': ConfirmationModal,
    'REPORT': ReportModal,
    'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
  };
  
  export default class ModalRoot extends React.PureComponent {
  
    static propTypes = {
      type: PropTypes.string,
      props: PropTypes.object,
      onClose: PropTypes.func.isRequired,
    };
  
    handleKeyUp = (e) => {
      if ((e.key === 'Escape' || e.key === 'Esc' || e.keyCode === 27)
           && !!this.props.type) {
        this.props.onClose();
      }
    }
  
    componentDidMount () {
      window.addEventListener('keyup', this.handleKeyUp, false);
    }
  
    componentWillReceiveProps (nextProps) {
      if (!!nextProps.type && !this.props.type) {
        this.activeElement = document.activeElement;
  
        this.getSiblings().forEach(sibling => sibling.setAttribute('inert', true));
      }
    }
  
    componentDidUpdate (prevProps) {
      if (!this.props.type && !!prevProps.type) {
        this.getSiblings().forEach(sibling => sibling.removeAttribute('inert'));
        this.activeElement.focus();
        this.activeElement = null;
      }
    }
  
    componentWillUnmount () {
      window.removeEventListener('keyup', this.handleKeyUp);
    }
  
    getSiblings = () => {
      return Array(...this.node.parentElement.childNodes).filter(node => node !== this.node);
    }
  
    setRef = ref => {
      this.node = ref;
    }
  
    willEnter () {
      return { opacity: 0, scale: 0.98 };
    }
  
    willLeave () {
      return { opacity: spring(0), scale: spring(0.98) };
    }
  
    renderLoading = () => {
      return <ModalLoading />;
    }
  
    renderError = (props) => {
      const { onClose } = this.props;
  
      return <BundleModalError {...props} onClose={onClose} />;
    }
  
    render () {
      const { type, props, onClose } = this.props;
      const visible = !!type;
      const items = [];
  
      if (visible) {
        items.push({
          key: type,
          data: { type, props },
          style: { opacity: spring(1), scale: spring(1, { stiffness: 120, damping: 14 }) },
        });
      }
  
      return (
        <TransitionMotion
          styles={items}
          willEnter={this.willEnter}
          willLeave={this.willLeave}
        >
          {interpolatedStyles =>
            <div className='modal-root' ref={this.setRef}>
              {interpolatedStyles.map(({ key, data: { type, props }, style }) => (
                <div key={key} style={{ pointerEvents: visible ? 'auto' : 'none' }}>
                  <div role='presentation' className='modal-root__overlay' style={{ opacity: style.opacity }} onClick={onClose} />
                  <div role='dialog' className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
                    <BundleContainer fetchComponent={MODAL_COMPONENTS[type]} loading={this.renderLoading} error={this.renderError} renderDelay={200}>
                      {(SpecificComponent) => <SpecificComponent {...props} onClose={onClose} />}
                    </BundleContainer>
                  </div>
                </div>
              ))}
            </div>
          }
        </TransitionMotion>
      );
    }
  
  }
  