Make eslint ignore js files in JH folder when in jh

.eslintrc.yml

@@ -3,7 +3,7 @@ extends:
   - plugin:@gitlab/i18n
   - plugin:no-jquery/slim
   - plugin:no-jquery/deprecated-3.4
-  - ./tooling/eslint-config/conditionally_ignore_ee.js
+  - ./tooling/eslint-config/conditionally_ignore.js
 globals:
   __webpack_public_path__: true
   gl: false

tooling/eslint-config/conditionally_ignore.js

+/* eslint-disable import/no-commonjs */
+
+const IS_EE = require('../../config/helpers/is_ee_env');
+const IS_JH = require('../../config/helpers/is_jh_env');
+
+const allPatterns = [
+  {
+    ignore: !IS_EE,
+    pattern: 'ee/**/*.*',
+  },
+  {
+    ignore: !IS_JH,
+    pattern: 'jh/**/*.*',
+  },
+];
+
+const ignorePatterns = allPatterns.filter((x) => x.ignore).map((x) => x.pattern);
+
+module.exports = { ignorePatterns };

tooling/eslint-config/conditionally_ignore_ee.js

-/* eslint-disable import/no-commonjs */
-
-const IS_EE = require('../../config/helpers/is_ee_env');
-
-module.exports = IS_EE ? {} : { ignorePatterns: ['ee/**/*.*'] };