Use prisma in nextjs with autocomplete and connection pooling.

prisma.ts

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

// PrismaClient is attached to the `global` object in development to prevent
// exhausting your database connection limit.
//
// Learn more: 
// https://pris.ly/d/help/next-js-best-practices

const prismaClientPropertyName = `__prevent-name-collision__prisma`
type GlobalThisWithPrismaClient = typeof globalThis & {
  [prismaClientPropertyName]: PrismaClient
}

const getPrismaClient = () => {
  if (process.env.NODE_ENV === `production`) {
    return new PrismaClient()
  } else {
    const newGlobalThis = globalThis as GlobalThisWithPrismaClient
    if (!newGlobalThis[prismaClientPropertyName]) {
      newGlobalThis[prismaClientPropertyName] = new PrismaClient()
    }
    return newGlobalThis[prismaClientPropertyName]
  }
}

const prisma = getPrismaClient()

export default prisma