HAL-Extensions.js

delete-methods.js

// Track#del()
A.extendTrackProto({
    del : function () {
        var T = A.classes.Track;
        var idx = T.getIdx(this.id);
        T.list.splice(idx, 1);
        return this;
    }
});

// Group#del()
A.extendGroupProto({
    del : function () {
        var G = A.groups.custom;
        delete G[this.id];
        return this;
    }
});

// Playlist#del()
A.extendPlaylistProto({
    del : function () {
        var P = A.classes.Playlist;
        delete P.list[this.id];
        return this;
    }
});

group-to-playlist.js

// Group#toPlaylist()
A.extendGroupProto({
    toPlaylist : function (id, groupID) {
        return A.createPlaylist(id, A.group(groupID).members);
    }
});

// Playlist#toGroup()
A.extendPlaylistProto({
    toGroup : function (id, playlistID) {
        var group = A.createGroup(id, A.playlist(playlistID).tracks);
        return A.group(id);
    }
});