chore: verify build

.eslintrc.js

@@ -42,7 +42,7 @@ module.exports = {
     "no-cond-assign": ["warn"],
     "no-fallthrough": ["warn"],
     "no-undef": ["warn"],
-    "no-unused-vars": ["warn"],
+    "no-unused-vars": ["error"],
     "no-use-before-define": ["warn", { "functions": false, "classes": false, "variables": false }],
     "no-useless-escape": ["warn"],
     "no-useless-return": ["warn"],

src/extension/ext.js

@@ -1,6 +1,6 @@
 import { dimLongDesc } from './strings';
 
-export default function ext() {
+export default function ext(env) {
   return {
     definition: {
       type: "items",