Function TabBar

packages/react-devtools-shared/src/devtools/views/TabBar.js:35–140

({
  currentTab,
  disabled = false,
  id: groupName,
  selectTab,
  tabs,
  type,
}: Props)

};

export default function TabBar({
  currentTab,
  disabled = false,
  id: groupName,
  selectTab,
  tabs,
  type,
}: Props): React.Node {
  if (!tabs.some(tab => tab !== null && tab.id === currentTab)) {
    const firstTab = ((tabs.find(tab => tab !== null): any): TabInfo);
    selectTab(firstTab.id);
  }

  const onChange = useCallback(
    ({currentTarget}: $FlowFixMe) => selectTab(currentTarget.value),
    [selectTab],
  );

  const handleKeyDown = useCallback((event: $FlowFixMe) => {
    switch (event.key) {
      case 'ArrowDown':
      case 'ArrowLeft':
      case 'ArrowRight':
      case 'ArrowUp':
        event.stopPropagation();
        break;
      default:
        break;
    }
  }, []);

  let iconSizeClassName;
  let tabLabelClassName;
  let tabSizeClassName;
  switch (type) {
    case 'navigation':
      iconSizeClassName = styles.IconSizeNavigation;
      tabLabelClassName = styles.TabLabelNavigation;
      tabSizeClassName = styles.TabSizeNavigation;
      break;
    case 'profiler':
      iconSizeClassName = styles.IconSizeProfiler;
      tabLabelClassName = styles.TabLabelProfiler;
      tabSizeClassName = styles.TabSizeProfiler;
      break;
    case 'settings':
      iconSizeClassName = styles.IconSizeSettings;
      tabLabelClassName = styles.TabLabelSettings;
      tabSizeClassName = styles.TabSizeSettings;
      break;
    default:
      throw Error(`Unsupported type "${type}"`);
  }

  return (
    <Fragment>
      {tabs.map(tab => {
        if (tab === null) {