Remix·Remix essentials

Loaders

A loader runs on the server and returns data to the route.

Intermediate 10 min read Lesson 2 of 150 Challenge included

What you will be able to do

Export loader.
Return JSON or a Response.
Read with useLoaderData.

In plain English

A loader runs on the server and returns data to the route.

Export loader.
Return JSON or a Response.
Read with useLoaderData.

app/routes/courses.tsxJavaScript

import { json } from '@remix-run/node'
import { useLoaderData } from '@remix-run/react'

export const loader = async () => json([{ slug: 'css', title: 'CSS' }])

export default function Courses() {
  const courses = useLoaderData<typeof loader>()
  return <ul>{courses.map((c) => <li key={c.slug}>{c.title}</li>)}</ul>
}

Your turn

Explain it back

Easy

Answer from memory: Which hook reads loader data?

TEXT · starter

Your answer…

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Knowledge checkQuestion 1

Which hook reads loader data?

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