feat: upgrade to next 15

package.json

@@ -28,10 +28,10 @@
     "ioredis": "^5.4.1",
     "lucia": "^3.1.1",
     "lucide-react": "^0.368.0",
-    "next": "^14.2.3",
+    "next": "^15.1.2",
     "next-themes": "^0.4.4",
-    "react": "^18",
+    "react": "^19.0.0-rc.1",
-    "react-dom": "^18",
+    "react-dom": "^19.0.0-rc.1",
     "react-hook-form": "^7.54.1",
     "sonner": "^1.4.41",
     "tailwind-merge": "^2.2.2",
@@ -43,7 +43,7 @@
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "eslint": "^8",
-    "eslint-config-next": "14.2.0",
+    "eslint-config-next": "^15.1.2",
     "postcss": "^8",
     "prisma": "^6.0.1",
     "shadcn": "^2.1.7",

src/app/(public)/auth/github/callback/route.ts

@@ -9,7 +9,7 @@ export async function GET(request: Request): Promise<Response> {
   const url = new URL(request.url);
   const code = url.searchParams.get('code');
   const state = url.searchParams.get('state');
-  const storedState = cookies().get('github_oauth_state')?.value ?? null;
+  const storedState = (await cookies()).get('github_oauth_state')?.value ?? null;
   if (!code || !state || !storedState || state !== storedState) {
     return new Response(null, {
       status: 400,
@@ -33,7 +33,7 @@ export async function GET(request: Request): Promise<Response> {
     if (existingUser) {
       const session = await lucia.createSession(existingUser.id, {});
       const sessionCookie = lucia.createSessionCookie(session.id);
-      cookies().set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
+      (await cookies()).set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
       return new Response(null, {
         status: 302,
         headers: {
@@ -54,7 +54,7 @@ export async function GET(request: Request): Promise<Response> {
 
     const session = await lucia.createSession(userId, {});
     const sessionCookie = lucia.createSessionCookie(session.id);
-    cookies().set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
+    (await cookies()).set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
     return new Response(null, {
       status: 302,
       headers: {

src/app/(public)/auth/github/route.ts

@@ -6,7 +6,7 @@ export async function GET(): Promise<Response> {
 	const state = generateState();
 	const url = github.createAuthorizationURL(state, []);
 
-	cookies().set("github_oauth_state", state, {
+	(await cookies()).set("github_oauth_state", state, {
 		path: "/",
 		secure: process.env.NODE_ENV === "production",
 		httpOnly: true,

src/components/app/NavBar/NavBar.tsx

@@ -11,8 +11,7 @@ import { DropdownMenu, DropdownMenuTrigger, DropdownMenuContent, DropdownMenuLab
 import { logout } from "@/lib/auth/actions"
 import { useSession } from "@/lib/providers/SessionProvider"
 import Link from "next/link"
-import { useState } from "react"
+import { useActionState } from "react"
-import { useFormState } from "react-dom"
 import MobileNavbarLinks from "../MobileNavbarLinks/MobileNavbarLinks"
 import { ThemeSwitcher } from "../ThemeSwitcher/ThemeSwitcher"
 
@@ -35,7 +34,7 @@ function NavbarLinks() {
 
 export default function Navbar() {
   const { user } = useSession();
-  const [, logoutAction] = useFormState(logout, null)
+  const [, logoutAction] = useActionState(logout, null)
   return (
     <>
       <nav className="flex items-center h-16 px-4 border-b gap-3 shrink-0">

src/components/app/UniversalForm/UniversalForm.tsx

@@ -3,7 +3,6 @@
 'use client';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { Path, PathValue, useForm } from 'react-hook-form';
-import { Button } from '@/components/ui/button';
 import {
   Form,
   FormControl,
@@ -18,7 +17,7 @@ import { z } from 'zod';
 import type { UniversalFormProps } from './types';
 import { customDataSchema, projectSettingsSchema, ratelimitChangeSchema } from './zod';
 import SubmitButton from '../SubmitButton/SubmitButton';
-import { useFormState } from 'react-dom';
+import { useActionState } from 'react';
 import React from 'react';
 import { toast } from 'sonner';
 import { createSchema } from '@/lib/forms/zod';
@@ -39,7 +38,7 @@ export function UniversalForm<T extends z.ZodType>({
   submitText = 'Submit',
   submitClassname,
 }: UniversalFormProps<T>) {
-  const [state, formAction] = useFormState(action, null);
+  const [state, formAction] = useActionState(action, null);
   const schema = schemaDb.find((s) => s.name === schemaName)?.zod;
 
   if (!schema) {

src/lib/auth/actions.ts

@@ -8,6 +8,6 @@ export async function logout() {
     const { session } = await validateRequest();
 	await lucia.invalidateSession(session!.id);
 	const sessionCookie = lucia.createBlankSessionCookie();
-	cookies().set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
+	(await cookies()).set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
 	return redirect("/auth");
 }

src/lib/auth/index.ts

@@ -32,7 +32,7 @@ export const lucia = new Lucia(adapter, {
   },
 });
 export const validateRequest = cache(async () => {
-  const sessionId = cookies().get(lucia.sessionCookieName)?.value ?? null;
+  const sessionId = (await cookies()).get(lucia.sessionCookieName)?.value ?? null;
 
   if (!sessionId)
     return {
@@ -44,11 +44,11 @@ export const validateRequest = cache(async () => {
   try {
     if (session && session.fresh) {
       const sessionCookie = lucia.createSessionCookie(session.id);
-      cookies().set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
+      (await cookies()).set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
     }
     if (!session) {
       const sessionCookie = lucia.createBlankSessionCookie();
-      cookies().set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
+      (await cookies()).set(sessionCookie.name, sessionCookie.value, sessionCookie.attributes);
     }
   } catch {
     // Next.js throws error attempting to set cookies when rendering page

src/lib/bodyGen.ts

@@ -1,11 +1,11 @@
 export const bodyGen = (customData: string[]) => {
-  // thankfully ai came in clutch with the comma brainfuck here
+  const customFields = customData.map((data) => `"${data}": "${data}"`).join(',\n  ');
   return `{
-  "message": "Hello, world!",
+  "message": "Hello, world!"${customData.length ? ',\n  ' : ''}${customFields}
-  ${customData.map((data) => `"${data}": "${data}"`).join(',\n  ')}
 }`;
 };
 
 export const bodyGenNoIdent = (customData: string[]) => {
+  console.log(bodyGen(customData));
   return JSON.stringify(JSON.parse(bodyGen(customData)));
 }

src/lib/providers/ThemeProvider.tsx

@@ -1,9 +1,13 @@
-"use client"
+'use client';
 
-import * as React from "react"
+import * as React from 'react';
-import { ThemeProvider as NextThemesProvider } from "next-themes"
+const NextThemesProvider = dynamic(() => import('next-themes').then((e) => e.ThemeProvider), {
-import { type ThemeProviderProps } from "next-themes"
+  ssr: false,
+});
+
+import { type ThemeProviderProps } from 'next-themes';
+import dynamic from 'next/dynamic';
 
 export function ThemeProvider({ children, ...props }: ThemeProviderProps) {
-  return <NextThemesProvider {...props}>{children}</NextThemesProvider>
+  return <NextThemesProvider {...props}>{children}</NextThemesProvider>;
 }

tsconfig.json

@@ -1,6 +1,10 @@
 {
   "compilerOptions": {
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
     "allowJs": true,
     "skipLibCheck": true,
     "strict": true,
@@ -18,9 +22,19 @@
       }
     ],
     "paths": {
-      "@/*": ["./src/*"]
+      "@/*": [
-    }
+        "./src/*"
+      ]
     },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+    "target": "ES2017"
-  "exclude": ["node_modules"]
+  },
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx",
+    ".next/types/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
 }