Improve linting setup

eslint.config.mjs

@@ -1,20 +1,17 @@
 import globals from "globals";
-import pluginJs from "@eslint/js";
-import nodePlugin from "eslint-plugin-n";
+import js from "@eslint/js";
+import node from "eslint-plugin-n";
 import { defineConfig, globalIgnores } from "eslint/config";
 
 export default defineConfig([
   globalIgnores(["template/"]),
-  { languageOptions: { globals: globals.node } },
-  pluginJs.configs.recommended,
-  nodePlugin.configs["flat/recommended"],
   {
+    files: ["**/*.js", "**/*.mjs", "**/*.cts"],
+    extends: ["js/recommended", "n/recommended"],
+    languageOptions: { globals: globals.node },
+    plugins: { js, n: node },
     rules: {
       "n/prefer-node-protocol": "error",
-    },
-  },
-  {
-    rules: {
       "no-unused-vars": ["error", { argsIgnorePattern: "^_" }],
     },
   },

template/eslint.config.mjs

@@ -1,38 +1,48 @@
 import js from "@eslint/js";
-import tsEslint from "typescript-eslint";
+import ts from "typescript-eslint";
 import prettier from "eslint-config-prettier/flat";
-import nodePlugin from "eslint-plugin-n";
+import node from "eslint-plugin-n";
 import globals from "globals";
+import { defineConfig, globalIgnores } from "eslint/config";
 
-export default tsEslint.config(
-  // https://eslint.org/docs/latest/use/configure/ignore
+const files = [
+  "**/*.mjs",
+  "**/*.cjs",
+  "**/*.js",
+  "**/*.mts",
+  "**/*.cts",
+  "**/*.ts",
+];
+
+export default defineConfig([
+  globalIgnores(["**/dist/"]),
   {
-    ignores: ["**/dist/"],
+    files,
+    plugins: { js, n: node },
+    extends: ["js/recommended", "n/recommended"],
+    languageOptions: {
+      globals: {
+        ...globals.nodeBuiltin,
+      },
+    },
   },
 
-  js.configs.recommended,
-
   // Rules enabled by this config in addition to recommended: https://typescript-eslint.io/rules/?=xrecommended-strict
   // Replace this with tsEslint.configs.recommendedTypeChecked, if you want to include recommended rules only
-  tsEslint.configs.strictTypeChecked,
+  ts.configs.strictTypeChecked,
 
   // Rules enabled by this config: https://typescript-eslint.io/rules/?=stylistic
   // Remove this if you don't want to include stylistic rules
-  tsEslint.configs.stylisticTypeChecked,
+  ts.configs.stylisticTypeChecked,
 
   {
+    files,
     languageOptions: {
       parserOptions: {
         projectService: true,
         tsconfigRootDir: import.meta.dirname,
       },
-      globals: {
-        ...globals.nodeBuiltin,
-      },
     },
-  },
-  nodePlugin.configs["flat/recommended"],
-  {
     rules: {
       "@typescript-eslint/consistent-type-imports": "error",
       "@typescript-eslint/no-import-type-side-effects": "error",
@@ -45,7 +55,7 @@ export default tsEslint.config(
   },
   {
     files: ["**/*.mjs", "**/*.cjs", "**/*.js"],
-    ...tsEslint.configs.disableTypeChecked,
+    extends: [ts.configs.disableTypeChecked],
   },
   prettier,
-);
+]);