INNER CODE UNIT · JavaScript

fetchData

datastax-archive/workshop-graphql-netflix · src/App.js:14

  const fetchData = async () => {
    if (! isFetching)  {
      setIsFetching(true)
      const response = await fetch("/.netlify/functions/getGenres", {
        method: "POST",
        body: JSON.stringify({pageState, pageSize}),
      })
      const responseBody = await response.json()
      setPageState(responseBody.data.reference_list.pageState)
      setGenres(gs => (gs || []).concat(responseBody.data.reference_list.values))
      setIsFetching(false)
    }
  }

  useEffect(() => {
    // we trigger the first page of genres at the beginning
    setRequestedPage(1)
  }, [])

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