svelteKitForBeginners/prisma/seed.ts

import PrismaClientPkg from '@prisma/client'

// Prisma doesn't support ES Modules so we have to do this
const PrismaClient = PrismaClientPkg.PrismaClient
const prisma = new PrismaClient()

export function randomUrl(): string {
  return Math.random().toString(16).slice(2)
}

// gets random time starting from now and
// going back one day whenever you seed the
// database in the future
export function randomDate(): string {
  // this is set to one day
  const offset = 24 * 60 * 60 * 1000 * 1

  const current = new Date().getTime()
  const random = Math.random() * offset
  const difference = new Date(current - random)

  return difference.toISOString()
}

function getUsers() {
  return [
    {
      name: 'matia',
      handle: '@joyofcodedev',
      email: 'matia@example.test',
      avatar: '/profile/matia/avatar.webp',
      about: 'Likes long walks on the beach. 😘',
      tweets: {
        create: [
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `SvelteKit is lit. 🔥`,
            likes: 10
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `I love Svelte! ❤️`,
            likes: 24
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `Sometimes when I'm writing JavaScript I want to throw up my hands and say "this is crazy!" but I can't remember what "this" refers to. 🤪`,
            likes: 0
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `How do you comfort a JavaScript bug? You console it. 🤭`,
            likes: 0
          }
        ]
      }
    },
    {
      name: 'bob',
      handle: '@bobross',
      email: 'bob@example.test',
      avatar: '/profile/bob/avatar.webp',
      about: 'Likes painting.',
      tweets: {
        create: [
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `Use your imagination. Wind it up, blend it together. The joy of painting really is universal.`,
            likes: 1
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content: `The only thing I have control over is taking out the trash. 😂`,
            likes: 4
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content:
              'Painting is as individual as people are. 👩‍🎨',
            likes: 0
          },
          {
            url: randomUrl(),
            posted: randomDate(),
            content:
              'All we do is just sorta have an idea in our mind, and we just sorta let it happen. 🌈',
            likes: 10
          }
        ]
      }
    }
  ]
}

async function seed() {
  await Promise.all(
    getUsers().map((user) => {
      return prisma.user.create({ data: user })
    })
  )
}

seed()