ts-jest VS SvelteKit

Argument of type X is not assignable to parameter of type 'never' #2610

First, you can't use jest right out of the box, becuase Jest does not support ECMA script nor Typescript. For that, you need to use another dependency like ts-jest, which is a wrapper of jest itself. And maybe even a Babel preset if I need it to work with Babel.. Let's see what we have to do to get this to work.

use ts-jest and set up Paths Re-Map

Jest's out of the box config for TS doesn't do any type checking. You can integrate https://kulshekhar.github.io/ts-jest/ or you can call ‘tsc’ yourself separately

ts-jest has had some strange performance issues and workarounds in the past, though I haven’t used it very recently so it might have fixed those by now.

Since we're working with TypeScript, we can use ts-jest, which conveniently brings Jest along for the ride:

I want to save you from manually copying the snippets one by one, so here is a Gist with the complete test file. This can be easily executed with Jest (or ts-jest for TypeScript).

See the Jest configuration docs to learn more about Jest configuration. ts-jest also has good documentation.

Using @swc/jest to compile code to CommonJS is much faster than babel-jest, ts-jest which have long cold starts when executing tests in a large project.

Per-User Limits: Track requests on a per-user basis using their IPv4 address. We’ll leverage SvelteKit to easily retrieve the client IP with its built-in method.

Tahnks. also this https://github.com/sveltejs/kit/discussions/4339#discussionc...

For our application, I wanted to spin up a simple framework example app, so I went with SvelteKit. It’s easy to bootstrap, and it has a smooth looking getting started application. I followed the instructions here to initialize a new project:

Svelte y SvelteKit

Frontend: SvelteKit project used as a SSG

Link

Welcome to SvelteKit /> /> /> Visit href="https://kit.svelte.dev">kit.svelte.dev to read the documentation