function Player() { } Player.prototype.play = function(song) {
this.currentlyPlayingSong = song; this.isPlaying = true;
};
Player.prototype.pause = function() {
this.isPlaying = false;
};
Player.prototype.resume = function() {
if (this.isPlaying) { throw new Error("song is already playing"); } this.isPlaying = true;
};
Player.prototype.makeFavorite = function() {
this.currentlyPlayingSong.persistFavoriteStatus(true);
};
module.exports = Player;