Update linting configuration in preparation for next v16

- https://nextjs.org/blog/next-16#breaking-changes-and-other-updates

Author: nickspaargaren

eslint.config.mjs

@@ -0,0 +1,16 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  {
+    rules: {
+      "react-hooks/set-state-in-effect": "off",
+    },
+  },
+  globalIgnores([".next/**", "out/**", "build/**", "next-env.d.ts"]),
+]);
+
+export default eslintConfig;

package.json

@@ -6,7 +6,7 @@
     "dev": "next dev --turbopack",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "eslint ."
   },
   "dependencies": {
     "@tailwindcss/postcss": "4.1.11",
@@ -21,6 +21,8 @@
     "@types/node": "20",
     "@types/react": "19",
     "@types/react-dom": "19",
+    "eslint": "^9.38.0",
+    "eslint-config-next": "^16.0.0",
     "typescript": "5"
   },
   "packageManager": "pnpm@9.15.1+sha256.9e534e70afef06374f6126b44bda5760947135ce16a30aef1010e965fb7e3e3e"