next.js prisma

TypeScript
import { PrismaClient } from "@prisma/client";

declare global {
  namespace globalThis {
    var prisma: PrismaClient;
  }
}

TypeScript
import { PrismaClient } from "@prisma/client";

const prisma = global.prisma || new PrismaClient();

if (process.env.NODE_ENV === "production") global.prisma = prisma;

export default prisma;