Add base rules to base config

Author: NullVoxPopuli

lib/recommended.mjs

@@ -1,4 +1,5 @@
 import emberPlugin from './index.js';
+import baseRules from './recommended-rules.js';
 import gjsRules from './recommended-rules-gjs.js';
 import gtsRules from './recommended-rules-gts.js';
 import emberParser from 'ember-eslint-parser';
@@ -8,26 +9,41 @@ export const parser = emberParser;
 
 export const base = {
   plugins: { ember: emberPlugin },
+  rules: {
+    ...baseRules,
+  },
 };
 
 export const gjs = {
   plugins: { ember: emberPlugin },
   files: ['**/*.gjs'],
   languageOptions: {
     parser: emberParser,
+    parserOptions: {
+      ecmaFeatures: { modules: true },
+      ecmaVersion: 'latest',
+      // babel config options should be supplied in the consuming project
+    },
   },
   processor: 'ember/noop',
-  rules: gjsRules,
+  rules: {
+    ...base.rules,
+    ...gjsRules,
+  },
 };
 
 export const gts = {
   plugins: { ember: emberPlugin },
   files: ['**/*.gts'],
   languageOptions: {
     parser: emberParser,
+    // parser options should be supplied in the consuming project
   },
   processor: 'ember/noop',
-  rules: gtsRules,
+  rules: {
+    ...base.rules,
+    ...gtsRules,
+  },
 };
 
 export default {