ransport.off("pause",this._syncedCallback),this.context.transport.off("stop",this._syncedCallback),this._constantSource.dispose(),this}}class wr extends io{constructor(){const t=ui(wr.getDefaults(),arguments,["attack","decay","sustain","release"]);super(t),this.name="Envelope",this._sig=new po({context:this.context,value:0}),this.output=this._sig,this.input=void 0,this.attack=t.attack,this.decay=t.decay,this.sustain=t.sustain,this.release=t.release,this.attackCurve=t.attackCurve,this.releaseCurve=t.releaseCurve,this.decayCurve=t.decayCurve}static getDefaults(){return Object.assign(io.getDefaults(),{attack:.01,attackCurve:"linear",decay:.1,decayCurve:"exponential",release:1,releaseCurve:"exponential",sustain:.5})}get value(){return this.getValueAtTime(this.now())}_getCurve(t,e){if(zn(t))return t;{let s;for(s in br)if(br[s][e]===t)return s;return t}}_setCurve(t,e,s){if(zn(s)&&Reflect.has(br,s)){const n=br[s];Pn(n)?"_decayCurve"!==t&&(this[t]=n[e]):this[t]=n}else{if(!Ln(s)||"_decayCurve"===t)throw new Error("Envelope: invalid curve: "+s);this[t]=s}}get attackCurve(){return this._getCurve(this._attackCurve,"In")}set attackCurve(t){this._setCurve("_attackCurve","In",t)}get releaseCurve(){return this._getCurve(this._releaseCurve,"Out")}set releaseCurve(t){this._setCurve("_releaseCurve","Out",t)}get decayCurve(){return this._getCurve(this._decayCurve,"Out")}set decayCurve(t){this._setCurve("_decayCurve","Out",t)}triggerAttack(t,e=1){this.log("triggerAttack",t,e),t=this.toSeconds(t);let s=this.toSeconds(this.attack);const n=this.toSeconds(this.decay),i=this.getValueAtTime(t);if(i>0&&(s=(1-i)/(1/s)),s0){const s=this.toSeconds(this.release);s{const t=128;let e,s;const n=[];for(e=0;ethis._original_triggerRelease(t),this._volume=this.output=new xo({context:this.context,volume:t.volume}),this.volume=this._volume.volume,Di(this,"volume")}static getDefaults(){return Object.assign(io.getDefaults(),{volu