Seed — ডিজাইন ডেটা দিয়ে begin

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

const prisma = new PrismaClient();

async function main() {
  const [tech, lifestyle] = await Promise.all([
    prisma.category.upsert({
      where: { name: "Tech" },
      update: {},
      create: { name: "Tech" },
    }),
    prisma.category.upsert({
      where: { name: "Lifestyle" },
      update: {},
      create: { name: "Lifestyle" },
    }),
  ]);

  await prisma.product.createMany({
    data: [
      { name: "Mechanical Keyboard", price: 4200, qty: 10, categoryId: tech.id },
      { name: "Wireless Mouse", price: 1800, qty: 25, categoryId: tech.id },
      { name: "Desk Lamp", price: 1200, qty: 15, categoryId: lifestyle.id },
    ],
  });
}

main()
  .catch((e) => { console.error(e); process.exit(1); })
  .finally(() => prisma.$disconnect());

// package.json
"prisma": {
  "seed": "tsx prisma/seed.ts"
}

npx prisma db seed