Next lint to eslint and Next 16

Author: TyHil

.eslintrc.json

@@ -5,4 +5,11 @@ module.exports = {
   printWidth: 100,
   tabWidth: 2,
   endOfLine: 'auto',
+  plugins: ['prettier-plugin-tailwindcss', '@ianvs/prettier-plugin-sort-imports'],
+  importOrder: [
+    '<BUILTIN_MODULES>', // Node.js built-in modules
+    '<THIRD_PARTY_MODULES>', // Imports not matched by other special words or groups.
+    '^(@src)(/.*)$',
+    '^[.]', // relative imports
+  ],
 };

.prettierrc.js

@@ -0,0 +1,20 @@
+import nextVitals from 'eslint-config-next/core-web-vitals';
+import nextTs from 'eslint-config-next/typescript';
+import prettier from 'eslint-config-prettier/flat';
+import { defineConfig, globalIgnores } from 'eslint/config';
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  prettier,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    '.next/**',
+    'out/**',
+    'build/**',
+    'next-env.d.ts',
+  ]),
+]);
+
+export default eslintConfig;

eslint.config.mjs

@@ -7,36 +7,33 @@
     "build": "next build",
     "postbuild": "next-sitemap",
     "start": "next start",
-    "lint:check": "next lint",
-    "lint": "next lint --fix",
+    "lint:check": "eslint .",
+    "lint": "eslint --fix .",
     "format": "prettier --write .",
     "format:check": "prettier --check ."
   },
   "dependencies": {
-    "@next/third-parties": "^15.3.0",
-    "next": "^15.3.0",
+    "@next/third-parties": "16.0.1",
+    "next": "16.0.1",
     "next-sitemap": "^4.2.3",
-    "react": "^19.2.0",
-    "react-dom": "^19.2.0",
+    "react": "19.2.0",
+    "react-dom": "19.2.0",
     "sharp": "^0.34.5"
   },
   "devDependencies": {
+    "@ianvs/prettier-plugin-sort-imports": "^4.7.0",
     "@tailwindcss/postcss": "^4.1.17",
     "@types/node": "^22.14.0",
-    "@types/react": "^19.2.2",
-    "@types/react-dom": "^19.2.2",
+    "@types/react": "19.2.2",
+    "@types/react-dom": "19.2.2",
     "@typescript-eslint/eslint-plugin": "^8.46.3",
     "@typescript-eslint/parser": "^8.46.3",
     "eslint": "^9.39.1",
-    "eslint-config-next": "^15.3.0",
+    "eslint-config-next": "16.0.1",
     "eslint-config-prettier": "^10.1.1",
-    "eslint-plugin-jsx-a11y": "^6.10.2",
-    "eslint-plugin-react": "^7.37.5",
-    "eslint-plugin-react-hooks": "^5.2.0",
-    "eslint-plugin-simple-import-sort": "^12.1.1",
     "prettier": "^3.5.3",
+    "prettier-plugin-tailwindcss": "^0.7.1",
     "tailwindcss": "^4.1.17",
-    "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.3"
+    "typescript": "^5.9.3"
   }
 }