firebase.js

// Import the functions you need from the SDKs you need
import firebase from "firebase";
import "firebase/firestore";
// TODO: Add SDKs for Firebase products that you want to use
// https://firebase.google.com/docs/web/setup#available-libraries

// Your web app's Firebase configuration
const firebaseConfig = {
  apiKey: "AIzaSyBRXTIHWCzvbpfNoxb_ZDSV8ODV5qWfuQc",
  authDomain: "petsmart-crescendo.firebaseapp.com",
  projectId: "petsmart-crescendo",
  storageBucket: "petsmart-crescendo.appspot.com",
  messagingSenderId: "415842628991",
  appId: "1:415842628991:web:492dc3efba618a2989164a"
};

// Initialize Firebase
let app;
if(firebase.apps.length === 0)
{
    app = firebase.initializeApp(firebaseConfig);
}
else
{
    app = firebase.app();
}

const auth = firebase.auth();
const db = firebase.firestore();

const createUserDocument = async (user,additionalData) => {
  if(!user) return;

  const userRef = db.doc(`users/${user.uid}`);
  const snapshot = await userRef.get();

  if(!snapshot.exists){
    try{
      userRef.set(additionalData);
    }
    catch(error){
      console.log(error);
    }
  }
}

const strayRef = db.collection("Strays");
const addStrays = async (newStray) => {
  try{
    strayRef.add(newStray);
  }
  catch(error){
    console.log(error);
  }
};

const getStrays = () =>{
  strayRef.get().then((querySnapshot) => {
    querySnapshot.forEach((doc) => {
        // doc.data() is never undefined for query doc snapshots
        console.log(doc.data());
    });
});

}


export {auth};
export {createUserDocument};
export {app};
export {addStrays};
export {strayRef};
export {getStrays};
export {db};
//const app = initializeApp(firebaseConfig);