Jamming project unable to search

I have Jammming built all the way up to the last step. The website shows up, and when I type anything into the search bar it authenticates then refreshes the page. But no results ever appear when I click search.
App.js:

import React from 'react';
import './App.css';

import SearchBar from '../SearchBar/SearchBar';
import SearchResults from '../SearchResults/SearchResults';
import Playlist from '../Playlist/Playlist';

import Spotify from '../../util/Spotify';

class App extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      searchResults: [],
      playlistName: 'My Playlist',
      playlistTracks: []
    };
    
    this.addTrack = this.addTrack.bind(this);
    this.removeTrack = this.removeTrack.bind(this);
    this.updatePlaylistName = this.updatePlaylistName.bind(this);
    this.savePlaylist = this.savePlaylist.bind(this);
    this.search = this.search.bind(this);
  }

  addTrack(track) {
    let tracks = this.state.playlistTracks;
    if (tracks.find(savedTrack => savedTrack.id === track.id)) {
      return;
    } 

    tracks.push(track);
    this.setState({ playlistTracks: tracks });
  }

  removeTrack(track) {
    let tracks = this.state.playlistTracks;
    tracks = tracks.filter(currentTrack => currentTrack.id !== track.id);
    
    this.setState({ playlistTracks: tracks })
  }

  updatePlaylistName(name) {
    this.setState({ playlistName: name })
  }

  savePlaylist() {
    const trackUris = this.state.playlistTracks.map(track => track.uri);
    Spotify.savePlaylist(this.state.playlistName, trackUris).then(() => {
      this.setState({
        playlistName: 'New Playlist',
        playlistTracks: []
      })
    });
  }

  search(term) {
    Spotify.search(term).then(searchResults => {
      this.setState({searchResults: searchResults})
    })
  }

  render() {
    return (
      <div>
        <h1>Ja<span className="highlight">mmm</span>ing</h1>
        <div className="App">
          <SearchBar onSearch={this.search}/>
          <div className="App-playlist">
            <SearchResults searchResults={this.state.searchResults} 
                            onAdd={this.addTrack}/>
            <Playlist playlistName={this.state.playlistName} 
                      playlistTracks={this.state.playlistTracks} 
                      onRemove={this.removeTrack} 
                      onNameChange={this.updatePlaylistName} 
                      onSave={this.savePlaylist} />
          </div>
        </div>
      </div>
    )
  }
}

export default App;

Spotify.js:

const clientId = '77282986361f420ea50fc188ca0c507d';
const redirectUri = 'http://cowardly-activity.surge.sh';

let accessToken ='';



const Spotify = {   
    getAccessToken() {
        if (accessToken) {
            return accessToken;
        }

        const accessTokenMatch = window.location.href.match(/access_token=([^&]*)/);
        const expiresInMatch = window.location.href.match(/expires_in=([^&]*)/);

        if (accessTokenMatch && expiresInMatch) {
            accessToken = accessTokenMatch[1];
            const expiresIn = Number(expiresInMatch[1]);
            window.setTimeout(() => accessToken = '', expiresIn * 1000);
            window.history.pushState('Access Token', null, '/');
            return accessToken;
        } else {
            const accessUrl = `https://accounts.spotify.com/authorize?client_id=${clientId}&response_type=token&scope=playlist-modify-public&redirect_uri=${redirectUri}`
            window.location = accessUrl;
        }
    },

    search(term) {
        const accessToken = Spotify.getAccessToken();
        return fetch(`https://api.spotify.com/v1/search?type=track&q=${term}`, { 
            headers: {
                Authorization: `Bearer ${accessToken}`
            }
        }).then(response => {
            return response.json();
        }).then(jsonResponse => {
            if (!jsonResponse.tracks) {
                return [];
            } 
            return jsonResponse.tracks.items.map(track => ({
                id: track.id,
                name: track.name,
                artist: track.artists[0].name,
                album: track.album.name,
                uri: track.uri
            }));
        }); 
    },

    savePlaylist(name, trackUris) {
        if (!name || !trackUris.length) {
            return;
        }

        const accessToken = Spotify.getAccessToken();
        const headers = { Authorization: `Bearer ${accessToken}`};
        let userId;

        return fetch('https://api.spotify.com/v1/me', { headers: headers}
        ).then(response =>response.json()
        ).then(jsonResponse => {
            userId = jsonResponse.id;
            return fetch(`https://api.spotify.com/v1/users/${userId}/playlists`,
            {
                headers: headers,
                method: 'POST',
                body: JSON.stringify({ name: name })
            }).then(response => response.json()
            ).then(jsonResponse => {
                const playlistId = jsonResponse.id;
                return fetch(`https://api.spotify.com/v1/users/${userId}/playlists/${playlistId}/tracks`, {
                    headers: headers,
                    method: 'POST',
                    body: JSON.stringify({ uris: trackUris})
                });
            });
        });
    }
}

export default Spotify;

SearchBar.js:

import React from 'react';
import './SearchBar.css';


class SearchBar extends React.Component {
    constructor(props) {
        super(props);

        this.state = {
            term: ''
        }

        this.search = this.search.bind(this);
        this.handleTermChange = this.handleTermChange.bind(this);
    }

    search() {
        this.props.onSearch(this.state.term);
    }

    handleTermChange(event) {
        this.setState({ term: event.target.value });
    }

    render() {
        return (
            <div className="SearchBar">
                <input placeholder="Enter A Song, Album, or Artist" onChange={this.handleTermChange}/>
                <button className="SearchButton" onClick={this.search}>SEARCH</button>
            </div>
        )
    }
}

export default SearchBar;

SearchResults.js:

import React from 'react';

import './SearchResults.css';
import TrackList from '../TrackList/TrackList';

class SearchResults extends React.Component {
    render() {
        return (
            <div className="SearchResults">
                <h2>Results</h2>
                <TrackList tracks={this.props.searchResults} onAdd={this.props.onAdd} isRemoval={false}/> 
            </div>
        )
    }
}

export default SearchResults;

Am I doing something wrong? What do I need to change in order for results to appear when I search something?

try adding Spotify.getAccessToken(); to your app.js