src/language-js/print/jsx.js/printJsxOpeningClosingFragment
function printJsxOpeningClosingFragment(path, options /*, print*/) {
  const n = path.getValue();
  const nodeHasComment = hasComment(n);
  const hasOwnLineComment = hasComment(n, CommentCheckFlags.Line);
  const isOpeningFragment = n.type === "JSXOpeningFragment";
  return concat([
    isOpeningFragment ? "<" : "</",
    indent(
      concat([
        hasOwnLineComment
          ? hardline
          : nodeHasComment && !isOpeningFragment
          ? " "
          : "",
        printDanglingComments(path, options, true),
      ])
    ),
    hasOwnLineComment ? hardline : "",
    ">",
  ]);
}