memoize1.jsx

const useApp = ({ urls }) => {
  const [results, setResults] = React.useState(null)

  const promises = urls.map((url) => axios.get(url))

  React.useEffect(() => {
    Promise.all(promises).then(setResults)
  }, [])

  return { results }
}

const App = () => {
  const urls = React.useMemo(() => {
    return [
      'https://clinicaltables.nlm.nih.gov/api/icd10cm/v3/search?terms=a',
      'https://clinicaltables.nlm.nih.gov/api/icd10cm/v3/search?terms=u',
      'https://clinicaltables.nlm.nih.gov/api/icd10cm/v3/search?terms=y',
    ]
  }, [])

  const { results } = useApp({ urls })

  return null
}