Execute custom typescript file with ts-node and sveltekit imports

[kelbyfaessler]

I'm using prisma and I have a seed.ts file that loads data into my database for testing. In that file I'd like to do things like

import { SOME_VALUE } from "$lib/constants";

Notice I'm importing using the $lib alias. Unfortunately when I urn the script using ts-node this import is not found. It also doesn't work if I use a relative import without the alias e.g. import { SOME_VALUE } from "../src/lib/constants";.

What do I need to do so my imports will work in my custom scripts?

I added a seed command (npm run seed) to my package.json and it looks like this:

  "scripts": {
    "dev": "vite dev",
    ...
    "seed": "ts-node --transpile-only src/lib/util/seed.ts",

[rikurainio]

I have the exact same probem

[david-plugge]

Use vite-node:

{
	"scripts": {
		"seed": "vite-node --options.transformMode.ssr='/.*/' src/lib/util/seed.ts"
	},
	"devDependencies": {
		"vite-node": "^0.30.1"
	}
}

--options.transformMode.ssr='/.*/' makes sure that vite runs this code as a server, rather than a client. You need this to be able to access private env variables.

[kelbyfaessler]

That worked! This is exactly what I thought I needed too as I was looking into the different vite commands but didn't think about other libs. Thanks so much for the help!

[chokchai]

this solution works but still errors when using the .env
import {env} from "$env/dynamic/private"

[enisbudancamanak]

Linked to the solution above us, I found that in the seed.ts file -> env variables can be used as process.env.VARIABLE

EDIT: found out that the answer above is not needed.