allows mixed tabs and spaces when the spaces are used for alignment

.eslintrc.js

@@ -11,6 +11,12 @@ module.exports = {
   },
   rules: {},
   overrides: [
+    {
+      files: ['*.js'],
+      rules: {
+        'no-mixed-spaces-and-tabs': ['error', 'smart-tabs'],
+      },
+    },
     {
       files: ['*.astro'],
       parser: 'astro-eslint-parser',
@@ -18,7 +24,9 @@ module.exports = {
         parser: '@typescript-eslint/parser',
         extraFileExtensions: ['.astro'],
       },
-      rules: {},
+      rules: {
+        'no-mixed-spaces-and-tabs': ['error', 'smart-tabs'],
+      },
     },
     {
       files: ['*.ts'],