gistfile1.txt

const config = {
    apiKey: "AIzaSyAvH19ZdgOODfZagnI1f7f49TjLgV90JYs",
    authDomain: "fir-storage-d4a72.firebaseapp.com",
    databaseURL: "https://fir-storage-d4a72.firebaseio.com",
    storageBucket: "fir-storage-d4a72.appspot.com",
    messagingSenderId: "237836003148"
  };
firebase.initializeApp(config);


// Get reference to firebase storage service
const storage = firebase.storage();

// Create a storage reference  from our storage service
const storageRef = storage.ref();

// Database refrence
const database = firebase.database()
const imagesRef = database.ref('images');




function handleFileSelect(evt) {
  evt.stopPropagation();
  evt.preventDefault();

  let file = evt.target.files[0];

  let metaData = {
    'contentType': file.type
  }

  // Push to CHILD path
  storageRef.child('images/' + file.name).put(file, metaData).then((snapshot) => {
    console.log('Uploaded', snapshot.totalBytes, 'bytes');
    console.log(snapshot.metadata);

    // Set url of image
    let url = snapshot.downloadURL;
    console.log('File Available At', url);
    imagesRef.push({imageUrl: url });
    
    document.getElementById('linkbox').innerHTML = '<a href="' +  url + '">Click For File</a>';
  }).catch((error) => {
    console.error('Upload Failed: ', error);
  });

  
}

window.onload = function() {
  document.getElementById('file').addEventListener('change', handleFileSelect, false);
}