feat: next.js plugin

global.d.ts

@@ -7,3 +7,8 @@ declare module "eslint-plugin-import" {
   const value: unknown;
   export default value;
 }
+
+declare module "@next/eslint-plugin-next" {
+  const value: any;
+  export default value;
+}

package.json

@@ -78,6 +78,7 @@
     "typescript-eslint": "^8.15.0"
   },
   "devDependencies": {
+    "@next/eslint-plugin-next": "^15.0.3",
     "@types/eslint__js": "^8.42.3",
     "@types/eslint-plugin-jsx-a11y": "^6.9.0",
     "eslint": "^9.15.0",

src/index.ts

@@ -1,6 +1,7 @@
 import base from "./base.js";
 import importPlugin from "./import.js";
 import { loadJsxAccessibilityConfig } from "./jsx-a11y.js";
+import { loadNextConfig } from "./next.js";
 import { loadReactConfig } from "./react.js";
 import stylistic from "./stylistic.js";
 import typescript from "./typescript.js";
@@ -13,6 +14,7 @@ export default [
   ...typescript,
   ...(await loadReactConfig()),
   ...(await loadJsxAccessibilityConfig()),
+  ...(await loadNextConfig()),
   ...importPlugin,
   ...unusedImports,
 ] as Linter.Config[];

src/next.ts

@@ -0,0 +1,20 @@
+import type { Linter } from "eslint";
+
+export async function loadNextConfig() {
+  try {
+    const { default: nextPlugin } = await import("@next/eslint-plugin-next");
+    return [
+      {
+        plugins: {
+          "@next/next": nextPlugin,
+        },
+        rules: {
+          ...nextPlugin.configs.recommended.rules,
+          ...nextPlugin.configs["core-web-vitals"].rules,
+        },
+      },
+    ] as Linter.Config[];
+  } catch {
+    return [];
+  }
+}