fix: ensure js and mjs files are treated correctly (script vs. module)

Author: robertrossmann

environments/shared/recommended.js

@@ -673,5 +673,21 @@ module.exports = {
       // Using process.env is encouraged in configuration files
       'no-process-env': 'off',
     },
+  }, {
+    files: globs.javascripts,
+
+    parserOptions: {
+      sourceType: 'script',
+    },
+  }, {
+    files: globs.esmodules,
+
+    parserOptions: {
+      sourceType: 'module',
+    },
+
+    env: {
+      es6: true,
+    },
   }],
 }

globs.js

@@ -13,4 +13,14 @@ module.exports = {
     '**/config/**',
     '**/configuration/**',
   ],
+
+  javascripts: [
+    '*.js',
+    '.*.js',
+  ],
+
+  esmodules: [
+    '*.mjs',
+    '.*.mjs',
+  ],
 }