refactor (#57, #58)

src/Playback/PlaybackManager.ts

@@ -608,7 +608,7 @@ export class PlaybackManager implements IPlaybackParametersListener {
                         this.currentBeatDuration = new Fraction(1, this.currentMeasure.Duration.Denominator);
 
                         const currentMeasureBPM: number = this.currentMeasure.TempoInBPM;
-                        if(currentMeasureBPM !== this.currentBPM){
+                        if (currentMeasureBPM !== this.currentBPM) {
                             this.bpmChanged(currentMeasureBPM); // update playback speed/bpm
                         }