Function Header

compiler/apps/playground/components/Header.tsx:24–123

()

import {TOGGLE_INTERNALS_TRANSITION} from '../lib/transitionTypes';

export default function Header(): JSX.Element {
  const [showCheck, setShowCheck] = useState(false);
  const store = useStore();
  const dispatchStore = useStoreDispatch();
  const {enqueueSnackbar, closeSnackbar} = useSnackbar();

  const handleReset: () => void = () => {
    if (confirm('Are you sure you want to reset the playground?')) {
      /**
       * Close open snackbars if any. This is necessary because when displaying
       * outputs (Preview or not), we only close previous snackbars if we received
       * new messages, which is needed in order to display "Bad URL" or success
       * messages when loading Playground for the first time. Otherwise, messages
       * such as "Bad URL" will be closed by the outputs calling `closeSnackbar`.
       */
      closeSnackbar();
      dispatchStore({type: 'setStore', payload: {store: defaultStore}});
    }
  };

  const handleShare: () => void = () => {
    navigator.clipboard.writeText(location.href).then(() => {
      enqueueSnackbar('URL copied to clipboard');
      setShowCheck(true);
      // Show the check mark icon briefly after URL is copied
      setTimeout(() => setShowCheck(false), 1000);
    });
  };

  return (
    <div className="fixed z-10 flex items-center justify-between w-screen px-5 py-3 bg-white border-b border-gray-200 h-14">
      <div className="flex items-center flex-none h-full gap-2 text-lg">
        <Logo
          className={clsx(
            'w-8 h-8 text-link',
            process.env.NODE_ENV === 'development' && 'text-yellow-600',
          )}
        />
        <p className="hidden select-none sm:block">React Compiler Playground</p>
      </div>
      <div className="flex items-center text-[15px] gap-4">
        <div className="flex items-center gap-2">
          <label className="show-internals relative inline-block w-[34px] h-5">
            <input
              type="checkbox"
              checked={store.showInternals}
              onChange={() =>
                startTransition(() => {
                  addTransitionType(TOGGLE_INTERNALS_TRANSITION);
                  dispatchStore({type: 'toggleInternals'});
                })
              }
              className="absolute opacity-0 cursor-pointer h-full w-full m-0"
            />
            <span
              className={clsx(
                'absolute inset-0 rounded-full cursor-pointer transition-all duration-250',
                "before:content-[''] before:absolute before:w-4 before:h-4 before:left-0.5 before:bottom-0.5",