seed.ts

import { prisma } from "./prisma";

const main = async(): Promise<void> => {
  const alice = await prisma.user.upsert({
    where: { email: "alice@prisma.io" },
    update: {},
    create: {
      email: "alice@prisma.io",
      name: "Alice",
      posts: {
        create: {
          title: "Check out Prisma with Next.js",
          content: "https://www.prisma.io/nextjs",
          published: true
        }
      }
    }
  });
  const bob = await prisma.user.upsert({
    where: { email: "bob@prisma.io" },
    update: {},
    create: {
      email: "bob@prisma.io",
      name: "Bob",
      posts: {
        create: [
          {
            title: "Follow Prisma on Twitter",
            content: "https://twitter.com/prisma",
            published: true
          },
          {
            title: "Follow Nexus on Twitter",
            content: "https://twitter.com/nexusgql",
            published: true
          }
        ]
      }
    }
  });
  console.log({ alice, bob });
};

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