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// version : async await
import React from 'react';

const useFetch = (url, options) => {

  const [response, setResponse] = React.useState(null);
  const [error, setError] = React.useState(null);
  const [isLoading, setIsLoading] = React.useState(true);

  React.useEffect(() => {
    (async () => {
      try {
        const res = await fetch(url, options);
        const json = await res.json();
        setResponse(json);
        setIsLoading(false)
      } catch (error) {
        setError(error);
      }
    })()

  }, []);
  return { response, error, isLoading };
};

export default useFetch


// version : Promise
import React from 'react';

const useFetch = (url, options) => {

  const [response, setResponse] = React.useState(null);
  const [error, setError] = React.useState(null);
  const [isLoading, setIsLoading] = React.useState(true);

  React.useEffect(() => {
    (async () => {
      fetch(url, options)
        .then(res => res.json())
        .then(json => {
          setResponse(json)
          setIsLoading(false)
        })
        .catch(error => {
          setError(error);
        })
    })()

  }, []);
  return { response, error, isLoading };
};

export default useFetch