fix: use runtime check instead of server-only directive for Prisma

Author: asklokesh

src/lib/prisma.ts

@@ -1,13 +1,19 @@
-import 'server-only';
-
 import { PrismaClient } from '@prisma/client';
 
-const globalForPrisma = global as unknown as { prisma: PrismaClient };
+// Prevent PrismaClient instantiation in browser environment
+const globalForPrisma = globalThis as unknown as { prisma: PrismaClient | undefined };
 
-export const prisma =
-    globalForPrisma.prisma ||
-    new PrismaClient({
-        log: ['query'],
+function createPrismaClient(): PrismaClient {
+    if (typeof window !== 'undefined') {
+        throw new Error('PrismaClient cannot be used in the browser');
+    }
+    return new PrismaClient({
+        log: process.env.NODE_ENV === 'development' ? ['query'] : [],
     });
+}
+
+export const prisma = globalForPrisma.prisma ?? createPrismaClient();
 
-if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma;
+if (process.env.NODE_ENV !== 'production') {
+    globalForPrisma.prisma = prisma;
+}