WPD-MobileApp/src/app/hooks/useLocation.js

import { useEffect, useState } from "react";
import * as Location from "expo-location";

export default function useLocation(
  defaultLocation = { longitude: 0.0, latitude: 0.0 }
) {
  const [location, setLocation] = useState(defaultLocation);

  const getLocation = async () => {
    try {
      const { granted } = await Location.requestPermissionsAsync();

      if (!granted) return;

      const {
        coords: { latitude, longitude },
      } = await Location.getLastKnownPositionAsync();

      setLocation({ latitude, longitude });
    } catch (error) {
      console.log(error);
    }
  };

  useEffect(() => {
    getLocation();
  }, []);

  return location;
}