feat(eslint-plugin): allow single extends for interfaces (#134)

feat: allow single extends for interfaces

Author: AntoineThibi

example-app/eslint-breaking-examples/no-empty-object-type.ts

@@ -0,0 +1,5 @@
+type AppThemes = { light: {} };
+
+declare module "react-native-unistyles" {
+  export interface UnistylesThemes extends AppThemes {}
+}

packages/eslint-plugin/lib/configs/recommended.ts

@@ -105,6 +105,10 @@ export const recommendedConfig = tseslint.config(
       "@typescript-eslint/return-await": "error",
       "@typescript-eslint/no-floating-promises": "error",
       "@typescript-eslint/no-unnecessary-condition": "error",
+      "@typescript-eslint/no-empty-object-type": [
+        "error",
+        { allowInterfaces: "with-single-extends" },
+      ],
     },
   },
 );