import{s as N,t as O,c as L,f as U,v as _,p as G}from"./proxy-Djc7Yrm-.js";import{d as j,i as z,p as H,m as Q}from"./scroll-timeline-_HNdIMLG.js";import{e as W,a as X}from"./map-ycUVTlu-.js";const B=e=>e*1e3,A=e=>e/1e3,Y=e=>Array.isArray(e)&&typeof e[0]!="number",Z=e=>{const t=({timestamp:s})=>e(s);return{start:(s=!0)=>U.update(t,s),stop:()=>L(t),now:()=>N.isProcessing?N.timestamp:O.now()}},V=(e,t,s=10)=>{let i="";const n=Math.max(Math.round(t/s),2);for(let r=0;r<n;r++)i+=Math.round(e(r/(n-1))*1e4)/1e4+", ";return`linear(${i.substring(0,i.length-2)})`},I=2e4;function E(e){let t=0;const s=50;let i=e.next(t);for(;!i.done&&t<I;)t+=s,i=e.next(t);return t>=I?1/0:t}function tt(e,t=100,s){const i=s({...e,keyframes:[0,t]}),n=Math.min(E(i),I);return{type:"keyframes",ease:r=>i.next(n*r).value/t,duration:A(n)}}const et=5;function J(e,t,s){const i=Math.max(t-et,0);return _(s-e(i),t-i)}const 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P({duration:e=300,keyframes:t,times:s,ease:i="easeInOut"}){const n=Y(i)?i.map(W):W(i),r={done:!1,value:t[0]},h=lt(s&&s.length===t.length?s:j(t),e),o=z(h,t,{ease:Array.isArray(n)?n:ct(t,n)});return{calculatedDuration:e,next:d=>(r.value=o(d),r.done=d>=e,r)}}const ht=e=>e!==null;function ut(e,{repeat:t,repeatType:s="loop"},i,n=1){const r=e.filter(ht),o=n<0||t&&s!=="loop"&&t%2===1?0:r.length-1;return!o||i===void 0?r[o]:i}const dt={decay:C,inertia:C,tween:P,keyframes:P,spring:K};function ft(e){typeof e.type=="string"&&(e.type=dt[e.type])}class pt{constructor(){this.updateFinished()}get finished(){return this._finished}updateFinished(){this._finished=new Promise(t=>{this.resolve=t})}notifyFinished(){this.resolve()}then(t,s){return this.finished.then(t,s)}}const mt=e=>e/100;class Dt extends pt{constructor(t){super(),this.state="idle",this.startTime=null,this.isStopped=!1,this.currentTime=0,this.holdTime=null,this.playbackSpeed=1,this.stop=()=>{var 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s=Math.round(t-this.startTime)*this.playbackSpeed;this.holdTime!==null?this.currentTime=this.holdTime:this.currentTime=s}tick(t,s=!1){const{generator:i,totalDuration:n,mixKeyframes:r,mirroredGenerator:h,resolvedDuration:o,calculatedDuration:d}=this;if(this.startTime===null)return i.next(0);const{delay:c=0,keyframes:m,repeat:y,repeatType:g,repeatDelay:x,type:M,onUpdate:f,finalKeyframe:v}=this.options;this.speed>0?this.startTime=Math.min(this.startTime,t):this.speed<0&&(this.startTime=Math.min(t-n/this.speed,this.startTime)),s?this.currentTime=t:this.updateTime(t);const T=this.currentTime-c*(this.playbackSpeed>=0?1:-1),w=this.playbackSpeed>=0?T<0:T>n;this.currentTime=Math.max(T,0),this.state==="finished"&&this.holdTime===null&&(this.currentTime=n);let b=this.currentTime,S=i;if(y){const l=Math.min(this.currentTime,n)/o;let k=Math.floor(l),F=l%1;!F&&l>=1&&(F=1),F===1&&k--,k=Math.min(k,y+1),!!(k%2)&&(g==="reverse"?(F=1-F,x&&(F-=x/o)):g==="mirror"&&(S=h)),b=G(0,1,F)*o}const a=w?{done:!1,value:m[0]}:S.next(b);r&&(a.value=r(a.value));let{done:p}=a;!w&&d!==null&&(p=this.playbackSpeed>=0?this.currentTime>=n:this.currentTime<=0);const D=this.holdTime===null&&(this.state==="finished"||this.state==="running"&&p);return D&&M!==C&&(a.value=ut(m,this.options,v,this.speed)),f&&f(a.value),D&&this.finish(),a}then(t,s){return this.finished.then(t,s)}get duration(){return A(this.calculatedDuration)}get iterationDuration(){const{delay:t=0}=this.options||{};return this.duration+A(t)}get time(){return A(this.currentTime)}set time(t){var s;t=B(t),this.currentTime=t,this.startTime===null||this.holdTime!==null||this.playbackSpeed===0?this.holdTime=t:this.driver&&(this.startTime=this.driver.now()-t/this.playbackSpeed),(s=this.driver)==null||s.start(!1)}get speed(){return this.playbackSpeed}set speed(t){this.updateTime(O.now());const s=this.playbackSpeed!==t;this.playbackSpeed=t,s&&(this.time=A(this.currentTime))}play(){var n,r;if(this.isStopped)return;const{driver:t=Z,startTime:s}=this.options;this.driver||(this.driver=t(h=>this.tick(h))),(r=(n=this.options).onPlay)==null||r.call(n);const i=this.driver.now();this.state==="finished"?(this.updateFinished(),this.startTime=i):this.holdTime!==null?this.startTime=i-this.holdTime:this.startTime||(this.startTime=s??i),this.state==="finished"&&this.speed<0&&(this.startTime+=this.calculatedDuration),this.holdTime=null,this.state="running",this.driver.start()}pause(){this.state="paused",this.updateTime(O.now()),this.holdTime=this.currentTime}complete(){this.state!=="running"&&this.play(),this.state="finished",this.holdTime=null}finish(){var t,s;this.notifyFinished(),this.teardown(),this.state="finished",(s=(t=this.options).onComplete)==null||s.call(t)}cancel(){var t,s;this.holdTime=null,this.startTime=0,this.tick(0),this.teardown(),(s=(t=this.options).onCancel)==null||s.call(t)}teardown(){this.state="idle",this.stopDriver(),this.startTime=this.holdTime=null}stopDriver(){this.driver&&(this.driver.stop(),this.driver=void 0)}sample(t){return this.startTime=0,this.tick(t,!0)}attachTimeline(t){var s;return this.options.allowFlatten&&(this.options.type="keyframes",this.options.ease="linear",this.initAnimation()),(s=this.driver)==null||s.stop(),t.observe(this)}}export{Dt as J,pt as W,ut as a,V as g,A as m,ft as r,B as s};