SpotifyContainer.js

//SpotifyContainer.js

import React, { Component } from 'react';
import './SpotifyContainer.css';
import Paper from '@material-ui/core/Paper';
import ConnectSpotify from './ConnectSpotify';
import * as SpotifyFunctions from '../spotifyFunctions.js'

class SpotifyContainer extends Component {

    constructor(props) {
        super(props)
        this.state = {
            loggedInToSpotify: false,
            accessToken: null
        }
    }

    componentDidMount(){
    //will check URL for accessToken hash. If it's not there, it will show the connect-spotify-button as a link
    //which will then redirect back to your site with the hash. If there is a hash, then we will jump right into the player
        const accessToken = SpotifyFunctions.checkUrlForSpotifyAccessToken();
        accessToken ? this.setState({loggedInToSpotify: true, accessToken: accessToken}) : this.setState({loggedInToSpotify: false, accessToken: null});
    }

  render() {
    return (
      <div className="SpotifyContainer">
      <Paper>
        <p>Spotify Controls</p>
        {!this.state.loggedInToSpotify ? <ConnectSpotify /> : <p>{`We're in! Access Token is ${this.state.accessToken}`}</p> }
        </Paper>
      </div>
    );
  }
}

export default SpotifyContainer;