storybook/lib/ui/src/components/panel/panel.js

import React, { Component, Fragment } from 'react';
import PropTypes from 'prop-types';
import { styled } from '@storybook/theming';
import { Tabs, Icons, IconButton } from '@storybook/components';

const DesktopOnlyIconButton = styled(IconButton)({
  // Hides full screen icon at mobile breakpoint defined in app.js
  '@media (max-width: 599px)': {
    display: 'none',
  },
});

class SafeTab extends Component {
  constructor(props) {
    super(props);
    this.state = { hasError: false };
  }

  componentDidCatch(error, info) {
    this.setState({ hasError: true });
    // eslint-disable-next-line no-console
    console.error(error, info);
  }

  render() {
    const { hasError } = this.state;
    const { children, title, id } = this.props;
    if (hasError) {
      return <h1>Something went wrong.</h1>;
    }
    return (
      <div id={id} title={title}>
        {children}
      </div>
    );
  }
}
SafeTab.propTypes = {
  children: PropTypes.oneOfType([PropTypes.node, PropTypes.func]),
  title: PropTypes.string.isRequired,
  id: PropTypes.string.isRequired,
};
SafeTab.defaultProps = {
  children: null,
};

// eslint-disable-next-line react/no-multi-comp
const AddonPanel = React.memo(({ panels, actions, selectedPanel, panelPosition }) => (
  <Tabs
    absolute
    selected={selectedPanel}
    actions={actions}
    flex
    tools={
      <Fragment>
        <DesktopOnlyIconButton
          key="position"
          onClick={actions.togglePosition}
          title="Change orientation"
        >
          <Icons icon={panelPosition === 'bottom' ? 'bottombar' : 'sidebaralt'} />
        </DesktopOnlyIconButton>
        <DesktopOnlyIconButton
          key="visibility"
          onClick={actions.toggleVisibility}
          title="Hide addons"
        >
          <Icons icon="close" />
        </DesktopOnlyIconButton>
      </Fragment>
    }
    id="storybook-panel-root"
  >
    {Object.entries(panels).map(([k, v]) => (
      <SafeTab key={k} id={k} title={v.title}>
        {v.render}
      </SafeTab>
    ))}
  </Tabs>
));
AddonPanel.displayName = 'AddonPanel';
AddonPanel.propTypes = {
  selectedPanel: PropTypes.string,
  actions: PropTypes.shape({}).isRequired,
  panels: PropTypes.shape({}).isRequired,
  panelPosition: PropTypes.oneOf(['bottom', 'right']),
};
AddonPanel.defaultProps = {
  selectedPanel: null,
  panelPosition: 'right',
};

export default AddonPanel;