Tanstack Query 사용해보기

1. 설치하기 ( 사용하는걸로 )

npm i  @tanstack/react-query

 

import { QueryClient, QueryClientProvider, useQuery } from '@tanstack/react-query'

const queryClient = new QueryClient()

export default function App() {
  return (
    <QueryClientProvider client={queryClient}>
      <Example />
    </QueryClientProvider>
  )
}

function Example() {
  const { isLoading, error, data } = useQuery({
    queryKey: ['repoData'],
    queryFn: () =>
      fetch('https://api.github.com/repos/tannerlinsley/react-query').then(res =>
        res.json()
      )
  })

  if (isLoading) return 'Loading...'

  if (error) return 'An error has occurred: ' + error.message

  return (
    <div>
      <h1>{data.name}</h1>
      <p>{data.description}</p>
      <strong>👀 {data.subscribers_count}</strong>{' '}
      <strong>✨ {data.stargazers_count}</strong>{' '}
      <strong>🍴 {data.forks_count}</strong>
    </div>
  )
}