chore: update to next.js 16

Author: gabrielmfern

.eslintrc.json

@@ -1,5 +1,6 @@
 node_modules
 .next
 .*env
+next-env.d.ts
 .react-email
 .DS_Store

.gitignore

@@ -0,0 +1,11 @@
+import { defineConfig } from "eslint/config";
+import nextCoreWebVitals from "eslint-config-next/core-web-vitals";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+export default defineConfig([{
+    extends: [...nextCoreWebVitals],
+}]);

eslint.config.mjs

@@ -9,25 +9,29 @@
     "email:build": "email build",
     "email:dev": "email dev",
     "format": "prettier src --write",
-    "lint": "next lint",
+    "lint": "eslint .",
     "start": "next start"
   },
   "dependencies": {
     "@react-email/components": "0.5.7",
-    "next": "15.3.5",
-    "react": "19.1.0",
-    "react-dom": "19.1.0",
+    "next": "16.0.3",
+    "react": "19.2.0",
+    "react-dom": "19.2.0",
     "resend": "latest"
   },
   "devDependencies": {
     "@react-email/preview-server": "4.3.2",
     "@types/node": "20.19.2",
-    "@types/react": "19.1.8",
-    "@types/react-dom": "19.1.6",
-    "eslint": "8.56.0",
+    "@types/react": "19.2.5",
+    "@types/react-dom": "19.2.3",
+    "eslint": "^9",
     "eslint-config-next": "16.0.3",
     "prettier": "3.2.5",
     "react-email": "4.3.2",
     "typescript": "5.8.3"
+  },
+  "overrides": {
+    "@types/react": "19.2.5",
+    "@types/react-dom": "19.2.3"
   }
 }

next-env.d.ts

@@ -16,7 +16,7 @@
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "jsx": "preserve",
+    "jsx": "react-jsx",
     "target": "ES2017"
   },
   "include": [