finish easy formats

.prettierrc.json5

@@ -2,6 +2,7 @@
 	printWidth: 100,
 	useTabs: true,
 	tabWidth: 3,
+	// TODO prevent if/for/while without braces
 	arrowParens: "avoid",
 	embeddedLanguageFormatting: "off",
 	// TODO disable formatting css, even in html/pug

src/codemirror.js

@@ -17,9 +17,7 @@ export default function createCodemirror(inputListener) {
 					{ key: "Enter", run: insertNewline },
 					{
 						key: "Tab",
-						run: ({ state, dispatch }) => (
-							dispatch(state.replaceSelection("\t")), true
-						),
+						run: ({ state, dispatch }) => (dispatch(state.replaceSelection("\t")), true),
 						shift: indentLess,
 					},
 					...searchKeymap,