Class ScoreSerializerPlugin

packages/alphatab/test/PrettyFormat.ts:750–939

 * @internal
 */
export class ScoreSerializerPlugin implements PrettyFormatNewPlugin {
    public static readonly instance = new ScoreSerializerPlugin();

    private _defaultScoreJson: Map<string, unknown>;
    private _defaultMasterBarJson: Map<string, unknown>;
    private _defaultTrackJson: Map<string, unknown>;
    private _defaultStaffJson: Map<string, unknown>;
    private _defaultBarJson: Map<string, unknown>;
    private _defaultVoiceJson: Map<string, unknown>;
    private _defaultBeatJson: Map<string, unknown>;
    private _defaultNoteJson: Map<string, unknown>;

    private constructor() {
        // we create empty basic objects and reset some props we always want in the snapshot
        const defaultScore = new Score();
        const defaultMasterBar = new MasterBar();
        defaultMasterBar.index = -1;

        const defaultTrack = new Track();
        defaultTrack.index = -1;

        const defaultStaff = new Staff();
        defaultStaff.index = -1;

        const defaultBar = new Bar();
        defaultBar.id = -1;
        defaultBar.index = -1;

        const defaultVoice = new Voice();
        defaultVoice.id = -1;
        defaultVoice.index = -1;

        const defaultBeat = new Beat();
        defaultBeat.id = -1;
        defaultBeat.index = -1;

        const defaultNote = new Note();
        defaultNote.id = -1;
        defaultNote.index = -1;

        this._defaultScoreJson = ScoreSerializer.toJson(defaultScore)!;
        this._defaultMasterBarJson = MasterBarSerializer.toJson(defaultMasterBar)!;
        this._defaultTrackJson = TrackSerializer.toJson(defaultTrack)!;
        this._defaultStaffJson = StaffSerializer.toJson(defaultStaff)!;
        this._defaultBarJson = BarSerializer.toJson(defaultBar)!;
        this._defaultVoiceJson = VoiceSerializer.toJson(defaultVoice)!;
        this._defaultBeatJson = BeatSerializer.toJson(defaultBeat)!;
        this._defaultNoteJson = NoteSerializer.toJson(defaultNote)!;
    }

    public serialize(
        val: unknown,
        config: PrettyFormatConfig,
        indentation: string,
        depth: number,
        refs: unknown[],
        printer: PrettyFormatPrinter
    ): string {