feat: added serialisation for new feature

src/Track.ts

@@ -31,6 +31,7 @@ export type TrackSerial = {
     units: {
         isOn: boolean[],
         type: TrackUnitType[],
+        stickingType: TrackUnitStickingType[],
     },
     barCount: number,
     loopLength: number,
@@ -76,6 +77,7 @@ export default class Track implements IPublisher<TrackEvents> {
         const units = serial.units.isOn.map((isOn, i) => new TrackUnit({
             on: isOn,
             type: serial.units.type[i],
+            stickingType: serial.units.stickingType[i],
             parent: track,
         }));
         track.unitRecord.length = 0;
@@ -213,6 +215,7 @@ export default class Track implements IPublisher<TrackEvents> {
             units: {
                 isOn: this.unitRecord.map(unit => unit.isOn()),
                 type: this.unitRecord.map(unit => unit.getType()),
+                stickingType: this.unitRecord.map(unit => unit.getStickingType()),
             },
             barCount: this.barCount,
             loopLength: this.loopLength,
@@ -227,6 +230,7 @@ export default class Track implements IPublisher<TrackEvents> {
             typeof serial.units === "object" &&
             Array.isArray(serial.units.isOn) &&
             Array.isArray(serial.units.type) &&
+            Array.isArray(serial.units.stickingType) &&
             typeof serial.barCount === "number" &&
             typeof serial.loopLength === "number" &&
             typeof serial.looping === "boolean";
@@ -236,4 +240,4 @@ export default class Track implements IPublisher<TrackEvents> {
     alertDeepChange(): void {
         this.publisher.notifySubs(TrackEvents.DeepChange);
     }
-}
+}

src/TrackUnit.ts

@@ -24,11 +24,13 @@ export default class TrackUnit implements IPublisher<TrackUnitEvent> {
     constructor(options: {
         on?: boolean,
         type?: TrackUnitType,
+        stickingType?: TrackUnitStickingType,
         parent: Track,
     }) {
         this.parent = options.parent;
         this.on = options.on ?? false;
         this.setType(options.type ?? "Normal");
+        this.setStickingType(options.stickingType ?? "none");
     }
 
     addSubscriber(subscriber: ISubscriber<TrackUnitEvent>, eventType: TrackUnitEvent[]): { unbind: () => void } {