new Co(this.context,this._loopEnd).toSeconds()}set loopEnd(t){this._loopEnd=this.toTicks(t),this._loop&&this._rescheduleEvents()}get loopStart(){return new Co(this.context,this._loopStart).toSeconds()}set loopStart(t){this._loopStart=this.toTicks(t),this._loop&&this._rescheduleEvents()}get progress(){if(this._loop){const t=this.context.transport.ticks,e=this._state.get(t);if(null!==e&&"started"===e.state){const s=this._getLoopDuration();return(t-e.time)%s/s}return 0}return 0}dispose(){return super.dispose(),this.cancel(),this._state.dispose(),this}}class Hr extends eo{constructor(){const t=ui(Hr.getDefaults(),arguments,["callback","interval"]);super(t),this.name="Loop",this._event=new $r({context:this.context,callback:this._tick.bind(this),loop:!0,loopEnd:t.interval,playbackRate:t.playbackRate,probability:t.probability,humanize:t.humanize}),this.callback=t.callback,this.iterations=t.iterations}static getDefaults(){return Object.assign(eo.getDefaults(),{interval:"4n",callback:Ei,playbackRate:1,iterations:1/0,probability:1,mute:!1,humanize:!1})}start(t){return this._event.start(t),this}stop(t){return this._event.stop(t),this}cancel(t){return this._event.cancel(t),this}_tick(t){this.callback(t)}get state(){return this._event.state}get progress(){return this._event.progress}get interval(){return this._event.loopEnd}set interval(t){this._event.loopEnd=t}get playbackRate(){return this._event.playbackRate}set playbackRate(t){this._event.playbackRate=t}get humanize(){return this._event.humanize}set humanize(t){this._event.humanize=t}get probability(){return this._event.probability}set probability(t){this._event.probability=t}get mute(){return this._event.mute}set mute(t){this._event.mute=t}get iterations(){return!0===this._event.loop?1/0:this._event.loop}set iterations(t){this._event.loop=t===1/0||t}dispose(){return super.dispose(),this._event.dispose(),this}}class Jr extends $r{constructor(){const t=ui(Jr.getDefaults(),arguments,["callback","events"]);super(t),this.name="Part",this._state=new so("stopped"),this._events=new Set,this._state.increasing=!0,t.events.forEach((t=>{Ln(t)?this.add(t[0],t[1]):this.add(t)}))}static getDefaults(){return Object.assign($r.getDefaults(),{events:[]})}start(t,e){const s=this.toTicks(t);if("started"!==this._state.getValueAtTime(s)){e=pi(e,this._loop?this._loopStart:0),e=this._loop?pi(e,this._loopStart):pi(e,0);const t=this.toTicks(e);this._state.add({id:-1,offset:t,state:"started",time:s}),this._forEach((e=>{this._startNote(e,s,t)}))}return this}_startNote(t,e,s){e-=s,this._loop?t.startOffset>=this._loopStart&&t.startOffset=s&&(t.loop=!1,t.start(new Co(this.context,e))):t.startOffset>=s&&t.start(new Co(this.context,e))}get startOffset(){return this._startOffset}set startOffset(t){this._startOffset=t,this._forEach((t=>{t.startOffset+=this._startOffset}))}stop(t){const e=this.toTicks(t);return this._state.cancel(e),this._state.setStateAtTime("stopped",e),this._forEach((e=>{e.stop(t)})),this}at(t,e){const s=new Ki(this.context,t).toTicks(),n=new Co(this.context,1).toSeconds(),i=this._events.values();let o=i.next();for(;!o.done;){const t=o.value;if(Math.abs(s-t.startOffset){"started"===e.state?this._startNote(t,e.time,e.offset):t.stop(new Co(this.context,e.time))}))}remove(t,e){return Pn(t)&&t.hasOwnProperty("time")&&(t=(e=t).time),t=this.toTicks(t),this._events.forEach((s=>{s.startOffset===t&&(In(e)||Fn(e)&&s.value===e)&&(this._events.delete(s),s.dispose())})),this}clear(){return this._forEach((t=>t.dispose())),this._events.clear(),this}cancel(t){return this._forEach((e=>e.cancel(t))),this._state.cancel(this.toTicks(t)),this}_forEach(t){return this._events&&this._events.forEach((e=>{e instanceof Jr?e._forEach(t):t(e)})),this}_setAll(t,e){this._forEach((s=>{s[t]=e}))}_tick(t,e){this.mute||this.callback(t,e)}_testLoopBoundries(t){this._loop&&(t.startOffset=this._loopEnd)?t.cancel(0):"stopped"===t.state&&this._restartEvent(t)}get probability(){return this._probability}set probability(t){this._probability=t,this._setAll("probability",t)}get humanize(){return this._humanize}set humanize(t){this._humanize=t,this._setAll("humanize",t)}get loop(){return this._loop}set loop(t){this._loop=t,this._forEach((e=>{e.loopStart=this.loopStart,