prisma db seed doesn't correctly support `"type": "module"`

Problem

When you enable module resolution with "type": "module" on your projet the prisma db seed command fail due to ts-node resolution.

➜ yarn prisma db seed --preview-feature
yarn run v1.22.10
$ /path-to-my-project/node_modules/.bin/prisma db seed --preview-feature
Environment variables loaded from prisma/.env
Prisma schema loaded from prisma/schema.prisma
Running ts-node "prisma/seed.ts" ...
TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts" for /path-to-my-project/play-prisma-sqlite/prisma/seed.ts
    at new NodeError (node:internal/errors:329:5)
    at Loader.defaultGetFormat [as _getFormat] (node:internal/modules/esm/get_format:71:15)
    at Loader.getFormat (node:internal/modules/esm/loader:104:42)
    at Loader.getModuleJob (node:internal/modules/esm/loader:242:31)
    at Loader.import (node:internal/modules/esm/loader:176:17)
    at Object.loadESM (node:internal/process/esm_loader:68:5)
Error: Command failed with exit code 1: ts-node "prisma/seed.ts"
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Suggested solution

When "type": "module" is detected: instead of running ts-node "prisma/seed.ts" you can use the node loader node --loader ts-node/esm "prisma/seed.ts"

Alternatives

N/A

Additional context

Project example https://github.com/ghoullier/esm-prisma-seed

[ymzuiku]

This is temp case, you can run seed, but --preview-feature not work:

If your seed file in at your project prisma/seed.ts.

1 - Install esbuild in your project

npm i esbuild --save-dev

2 - Add seed in your package.json scripts:

"scripts": {
  "seed":"esbuild prisma/seed.ts --outfile=node_modules/tmp-seed.cjs --bundle --format=cjs --external:prisma --external:@prisma/client && node node_modules/tmp-seed.cjs --preview-feature"
}

3 - Run seed script

npm run seed

It works in my project, hope you can run it.

[Jolg42]

🗒️ We heard the feedback and we are planning a redesign of db seed (currently planned to be released early September)

How it will work is that a prisma.seed property in the package.json of your project will be required if you want to use prisma db seed.

This property is where you will be able to put any command you want to execute your seed script.

More info/details & how to try it out now in: https://github.com/prisma/prisma/issues/8732