React Example: Basic React Query File Based

GitHub StackBlitz

import { createFileRoute } from '@tanstack/react-router'
import * as React from 'react'
import { Link, Outlet } from '@tanstack/react-router'
import { useSuspenseQuery } from '@tanstack/react-query'
import { postsQueryOptions } from '../postsQueryOptions'

export const Route = createFileRoute('/posts')({
  loader: ({ context: { queryClient } }) =>
    queryClient.ensureQueryData(postsQueryOptions),
  component: PostsLayoutComponent,
})

function PostsLayoutComponent() {
  const postsQuery = useSuspenseQuery(postsQueryOptions)
  const posts = postsQuery.data

  return (
    <div className="p-2 flex gap-2">
      <ul className="list-disc pl-4">
        {[...posts, { id: 'i-do-not-exist', title: 'Non-existent Post' }].map(
          (post) => {
            return (
              <li key={post.id} className="whitespace-nowrap">
                <Link
                  to="/posts/$postId"
                  params={{
                    postId: post.id,
                  }}
                  className="block py-1 text-blue-600 hover:opacity-75"
                  activeProps={{ className: 'font-bold underline' }}
                >
                  <div>{post.title.substring(0, 20)}</div>
                </Link>
              </li>
            )
          },
        )}
      </ul>
      <hr />
      <Outlet />
    </div>
  )
}