docbrown/app/javascript/chat/content.jsx

import { h, Component } from 'preact';
import PropTypes from 'prop-types';
import Article from './article';
import ChannelRequest from './channelRequest';
import RequestManager from './requestManager';
import ChatChannelSettings from './ChatChannelSettings/ChatChannelSettings';

export default class Content extends Component {
  static propTypes = {
    resource        : PropTypes.object,
    activeChannelId : PropTypes.number,
    pusherKey       : PropTypes.string,
    fullscreen      : PropTypes.bool
  };

  render() {
    const { onTriggerContent, fullscreen } = this.props;
    if (!this.props.resource) {
      return '';
    }

    const smartSvgIcon = (content, d) => (
      <svg data-content={content} xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24">
        <path data-content={content} fill="none" d="M0 0h24v24H0z" />
        <path data-content={content} d={d} />
      </svg>
    );

    return (
      <div
        className="activechatchannel__activecontent activechatchannel__activecontent--sidecar"
        id="chat_activecontent"
        onClick={onTriggerContent}
      >
        <button
          className="activechatchannel__activecontentexitbutton crayons-btn crayons-btn--secondary"
          data-content="exit"
        >
          {smartSvgIcon(
            'exit',
            'M12 10.586l4.95-4.95 1.414 1.414-4.95 4.95 4.95 4.95-1.414 1.414-4.95-4.95-4.95 4.95-1.414-1.414 4.95-4.95-4.95-4.95L7.05 5.636z'
          )}
        </button>
        <button
          className="activechatchannel__activecontentexitbutton activechatchannel__activecontentexitbutton--fullscreen crayons-btn crayons-btn--secondary"
          data-content="fullscreen"
          style={{ left: '39px' }}
        >
  {' '}
  {fullscreen ? (
            smartSvgIcon(
              'fullscreen',
              'M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z'
            )
          ) : (
            smartSvgIcon(
              'fullscreen',
              'M20 3h2v6h-2V5h-4V3h4zM4 3h4v2H4v4H2V3h2zm16 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z'
            )
          )}
        </button>
        {display(this.props)}
      </div>
    );
  }
}

function display(props) {
  const { resource } = props;

  switch(resource.type_of) {
    case 'loading-user':
      return <div className="loading-user" />
    case 'article':
      return <Article resource={resource} />;
    case 'channel-request':
      return <ChannelRequest resource={resource.data} handleJoiningRequest={resource.handleJoiningRequest} />;
    case 'channel-request-manager': 
      return (
        <RequestManager
          resource={resource.data}
          handleRequestRejection={resource.handleRequestRejection}
          handleRequestApproval={resource.handleRequestApproval}
        />
      )
    case 'chat-channel-setting':
      return (
        <ChatChannelSettings resource={resource.data} activeMembershipId={resource.activeMembershipId} />
      );
    default:
      return null;
  }
}