Jammming Error


Can someone tell me where I’m supposed to define the functions stated in the picture please? I’ve even seen the video tutorial, and there is nothing to suggest that I should have pre-defined these functions anywhere?

Code is below!

import React from ‘react’;
import ‘./App.css’;
import SearchBar from ‘…/SearchBar/SearchBar’;
import SearchResults from ‘…/SearchResults/SearchResults’;
import Playlist from ‘…/Playlist/Playlist’;

class App extends React.Component() {
constructor(props){
super(props);
this.state = {
SearchResults: [{ name: ‘name1’, artist: ‘artist1’, album: ‘album1’, id: 1},
{name: ‘name2’, artist: ‘artist2’, album: ‘album2’, id: 2}, {name: ‘name3’, artist: ‘artist3’, album: ‘album3’, id: 3}],
playlistName: ‘Ma 15th bday’,
playlistTracks: [{ name: ‘playlistName1’, artist: ‘playlistArtist1’, album: ‘playlistAlbum1’, id: 4}, {name: ‘playlistName2’, artist: ‘playlistArtist2’, album: ‘playlistAlbum2’, id: 5}, {name: ‘playlistName3’, artist: ‘playlistArtist3’, album: ‘playlistAlbum3’, id: 6}]
}
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 !== savedTrack.id)
this.setState({ playlistTracks: tracks });
}

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

savePlaylist(){
let trackUris = this.state.playlistTracks.map(track => track.uri);
}

search(term){
console.log(term);

}

render() {
return (

Jammming

) } }

export default App;

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