great extension,but how to format .es file

[godhelpjun]

when I press alt+ shift + f there is no formatter for .es file

or how could I use jsonc extension formatter? also,I try to add settings.json "[es]": { "editor.defaultFormatter": "vscode.json-language-features" } but,no luck.I don't have much time for try something more,so I'm here to ask,thanks,bro.