Format extension.js

Author: nickserv

.eslintrc.json

@@ -37,7 +37,6 @@
     "no-useless-return": "error",
     "no-var": "error",
     "one-var": ["error", "never"],
-    "prefer-arrow-callback": "error",
     "prefer-const": "error",
     "prefer-promise-reject-errors": "error",
     "prettier/prettier": "error",

src/content/extension.js

@@ -12,7 +12,8 @@ const STACKEXCHANGE_SITES = [
   "https://superuser.com",
 ];
 const STACKEXCHANGE_URL_REGEX = /^https:\/\/([a-z]+).stackexchange.com/;
-const STACKEXCHANGE_VALID_PATHNAMES = /(^\/questions|\/posts\/\d+\/edit|^\/review)/u;
+const STACKEXCHANGE_VALID_PATHNAMES =
+  /(^\/questions|\/posts\/\d+\/edit|^\/review)/u;
 
 export default class Extension {
   constructor() {
@@ -206,9 +207,8 @@ export default class Extension {
           // Code Blocks
         } else {
           const isCodeBlock = codeBlockRegex.test(firstLine);
-          const isIndentedBlockWithLang = indentedCodeWithLangRegex.test(
-            firstLine
-          );
+          const isIndentedBlockWithLang =
+            indentedCodeWithLangRegex.test(firstLine);
           let codeLines;
 
           if (isCodeBlock) {