react-query/examples/react/offline/src/api.ts

import { HttpResponse, delay, http, passthrough } from 'msw'
import { setupWorker } from 'msw/browser'

const movies = [
  {
    id: '1',
    title: 'Guardians of the Galaxy',
    comment: '',
  },
  {
    id: '2',
    title: 'Wall-E',
    comment: '',
  },
]

export const fetchMovie = async (
  id: string,
): Promise<{
  ts: number
  movie: { comment: string; id: string; title: string }
}> => {
  const response = await fetch(`/movies/${id}`)
  return await response.json()
}

export const fetchMovies = async (): Promise<{
  ts: number
  movies: typeof movies
}> => {
  const response = await fetch('/movies')
  return await response.json()
}

export const updateMovie = async (id: string, comment: string) => {
  const response = await fetch(`/movies/${id}`, {
    method: 'POST',
    body: JSON.stringify({ comment }),
    headers: { 'Content-Type': 'application/json' },
  })
  return await response.json()
}

export const worker = setupWorker(
  http.get('/movies', async () => {
    await delay(500)
    return HttpResponse.json({
      ts: Date.now(),
      movies: movies.map(({ id, title }) => ({ id, title })),
    })
  }),

  http.get('/movies/:id', async ({ params }) => {
    const { id } = params

    const movie = movies.find((movie) => movie.id === id)

    if (!movie) {
      return new HttpResponse(`Movie with id ${id} not found`, {
        status: 404,
      })
    }

    await delay(500)
    return HttpResponse.json({ ts: Date.now(), movie })
  }),

  http.post('/movies/:id', async ({ request, params }) => {
    const { id } = params
    const body = await request.json()
    const { comment } = body

    movies.forEach((movie) => {
      if (movie.id === id) {
        movie.comment = comment.toUpperCase()
      }
    })

    await delay(500)
    return HttpResponse.json({ message: `Successfully updated movie ${id}` })
  }),
  http.get('*.js', () => passthrough()),
  http.get('*.svg', () => passthrough()),
)