Where are types for sveltekit load? Particularly Fetch?-CodePudding

In Sveltekit, I'm using the load function to call an API. I want to use the Fetch that is passed to the load function - but I'm using Typescript.

Where's the type for fetch/params/ etc?

/** @type {import('./$types').PageLoad} */
export async function load ({fetch}) {

  const rndInt = randomIntFromInterval(1, 20)

  const res = await fetch(`https://jsonplaceholder.typicode.com/todos/${rndInt}`)
  item = await res.json();

  return {item}
}

CodePudding user response：

This is just a matter of applying the type to the load function, it does not matter where its component parts are defined. The only important thing is that ./$types will be generated by the dev server which has to be running to update correctly.

To apply the type to a function, it is easiest to define it as a const:

export const load: PageLoad = ({ fetch }) => {
    // fetch will have the correct type here automatically
}

The automatically generated types are in .svelte-kit/types/src/routes/..., the hierarchy will mirror the routes directory with the actual sources, which allows for the ./$types import.

(The base types are defined in the @sveltejs/kit package, see node_modules\@sveltejs/kit/types/index.d.ts. If your editor supports a "Go to definition" command, you can just navigate using that. Invoke it on PageLoad and/or Kit.Load and just have a look around.)