{this._loadingCount++;const s=t.urls[e];this.add(e,s,this._bufferLoaded.bind(this,t.onload),t.onerror)}))}static getDefaults(){return{baseUrl:"",onerror:Ei,onload:Ei,urls:{}}}has(t){return this._buffers.has(t.toString())}get(t){return Bn(this.has(t),`ToneAudioBuffers has no buffer named: ${t}`),this._buffers.get(t.toString())}_bufferLoaded(t){this._loadingCount--,0===this._loadingCount&&t&&t()}get loaded(){return Array.from(this._buffers).every((([t,e])=>e.loaded))}add(t,e,s=Ei,n=Ei){return zn(e)?(this.baseUrl&&"data:audio/"===e.trim().substring(0,11).toLowerCase()&&(this.baseUrl=""),this._buffers.set(t.toString(),new Ri(this.baseUrl+e,s,n))):this._buffers.set(t.toString(),new Ri(e,s,n)),this}dispose(){return super.dispose(),this._buffers.forEach((t=>t.dispose())),this._buffers.clear(),this}}class ko extends Yi{constructor(){super(...arguments),this.name="MidiClass",this.defaultUnits="midi"}_frequencyToUnits(t){return Bi(super._frequencyToUnits(t))}_ticksToUnits(t){return Bi(super._ticksToUnits(t))}_beatsToUnits(t){return Bi(super._beatsToUnits(t))}_secondsToUnits(t){return Bi(super._secondsToUnits(t))}toMidi(){return this.valueOf()}toFrequency(){return Gi(this.toMidi())}transpose(t){return new ko(this.context,this.toMidi()+t)}}function Ao(t,e){return new ko(Vi(),t,e)}class Co extends Ki{constructor(){super(...arguments),this.name="Ticks",this.defaultUnits="i"}_now(){return this.context.transport.ticks}_beatsToUnits(t){return this._getPPQ()*t}_secondsToUnits(t){return Math.floor(t/(60/this._getBpm())*this._getPPQ())}_ticksToUnits(t){return t}toTicks(){return this.valueOf()}toSeconds(){return this.valueOf()/this._getPPQ()*(60/this._getBpm())}}function Oo(t,e){return new Co(Vi(),t,e)}class Do extends eo{constructor(){super(...arguments),this.name="Draw",this.expiration=.25,this.anticipation=.008,this._events=new wi,this._boundDrawLoop=this._drawLoop.bind(this),this._animationFrame=-1}schedule(t,e){return this._events.add({callback:t,time:this.toSeconds(e)}),1===this._events.length&&(this._animationFrame=requestAnimationFrame(this._boundDrawLoop)),this}cancel(t){return this._events.cancel(this.toSeconds(t)),this}_drawLoop(){const t=this.context.currentTime;this._events.forEachBefore(t+this.anticipation,(e=>{t-e.time<=this.expiration&&e.callback(),this._events.remove(e)})),this._events.length>0&&(this._animationFrame=requestAnimationFrame(this._boundDrawLoop))}dispose(){return super.dispose(),this._events.dispose(),cancelAnimationFrame(this._animationFrame),this}}Ti((t=>{t.draw=new Do({context:t})})),ki((t=>{t.draw.dispose()}));class Mo extends fi{constructor(){super(...arguments),this.name="IntervalTimeline",this._root=null,this._length=0}add(t){Bn(Fn(t.time),"Events must have a time property"),Bn(Fn(t.duration),"Events must have a duration parameter"),t.time=t.time.valueOf();let e=new Eo(t.time,t.time+t.duration,t);for(null===this._root?this._root=e:this._root.insert(e),this._length++;null!==e;)e.updateHeight(),e.updateMax(),this._rebalance(e),e=e.parent;return this}remove(t){if(null!==this._root){const e=[];this._root.search(t.time,e);for(const s of e)if(s.event===t){this._removeNode(s),this._length--;break}}return this}get length(){return this._length}cancel(t){return this.forEachFrom(t,(t=>this.remove(t))),this}_setRoot(t){this._root=t,null!==this._root&&(this._root.parent=null)}_replaceNodeInParent(t,e){null!==t.parent?(t.isLeftChild()?t.parent.left=e:t.parent.right=e,this._rebalance(t.parent)):this._setRoot(e)}_removeNode(t){if(null===t.left&&null===t.right)this._replaceNodeInParent(t,null);else if(null===t.right)this._replaceNodeInParent(t,t.left);else if(null===t.left)this._replaceNodeInParent(t,t.right);else{let e,s=null;if(t.getBalance()>0)if(null===t.left.right)e=t.left,e.right=t.right,s=e;else{for(e=t.left.right;null!==e.right;)e=e.right;e.parent&&(e.parent.right=e.left,s=e.parent,e.left=t.left,e.right=t.right)}else if(null===t.right.left)e=t.right,e.left=t.left,s=e;else{for(e=t.right.left;null!==e.left;)e=e.left;e.parent&&(e.parent.left=e.right,s=e.parent,e.left=t.left,e.right=t.right)}null!==t.parent?t.isLeftChild()?t.parent.left=e:t.parent.right=e:this._setRoot(e),s&&this._rebalance(s)}t.dispose()}_rotateLeft(t){const e=t.parent,s=t.isLeftChild(),n=t.right;n&&(t.right=n.left,n.left=t),null!==e?s?e.left=n:e.right=n:this._setRoot(n)}_rotateRight(t){const e=t.parent,s=t.isLeftChild(),n=t.left;n&&(t.left=n.right,n.right=t),null!==e?s?e.left=n:e.right=n:this._setRoot(n)}_rebalance(t){const e=t.getBalance();e>1&&t.left?t.left.getBalance()<0?this._rotateLeft(t.left):this._rotateRight(t):e<-1&&t.right&&(t.right.getBalance()>0?this._rotateRight(t.right):this._rotateLeft(t))}get(t){if(null!==this._root){const e=[];if(this._root.search(t,e),e.length>0){let t=e[0];for(let s=1;st.low&&(t=e[s]);return t.event}}return null}forEach(t){if(null!==this._root){const e=[];this._root.traverse((t=>e.push(t))),e.forEach((e=>{e.event&&t(e.event)}))}return this}forEachAtTim