vitorfranca

import { useState, useEffect } from 'react'

export const useFetch = (url) => {
  const [data, setData] = useState(null)
  const [isLoading, setIsLoading] = useState(false)
  const [hasError, setHasError] = useState(false)
  const [errorMessage, setErrorMessage] = useState('')
  const [refetchIndex, setRefetchIndex] = useState(0)

  const refetch = () => setRefetchIndex((prevRefetchIndex) => prevRefetchIndex + 1)

vitorfranca

function degreesToRadians(degrees) {
  return degrees * Math.PI / 180;
}

function distanceInKmBetweenEarthCoordinates(lat1, lon1, lat2, lon2) {
  var earthRadiusKm = 6371;

  var dLat = degreesToRadians(lat2-lat1);
  var dLon = degreesToRadians(lon2-lon1);

vitorfranca

Keybase proof

I hereby claim:

• I am vitorfranca on github.
• I am vitorfranca (https://keybase.io/vitorfranca) on keybase.
• I have a public key ASBSZ7HGR4GYicMcJjee7YfghK_iDiLMAMNpkyMEBFgH2Ao

To claim this, I am signing this object: