// CommonJS
const uploadImage = require('@taishikato/firebase-storage-uploader').default;
// ES6
import uploadImage from '@taishikato/firebase-storage-uploader';

import firebase from 'firebase/app'
import 'firebase/storage'
if (!firebase.apps.length) {
  firebase.initializeApp({
    apiKey: <apiKey>,
    authDomain: <authDomain>,
    databaseURL: <databaseURL>,
    projectId: <projectId>,
    storageBucket: <storageBucket>,
    messagingSenderId: <messagingSenderId>,
    appId: <appId>,
    measurementId: <measurementId>
  })
}

const imageUrl = 'data:image/jpeg;base64,/9j/4gIcSUNDX1BST0ZJTEUA…'

uploadImage('users/John.png', imageUrl, firebase).then(result => {
  console.log(result) // You can access to your image file via this URL of firebase storage
})