2024-03-26 01:13:16 +04:00
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var t,e;t=this,e=function(){function t(t,e,i){return Math.max(t,Math.min(e,i))}class Animate{advance(e){if(!this.isRunning)return;let i=!1;if(this.lerp)this.value=(s=this.value,o=this.to,n=60*this.lerp,l=e,function(t,e,i){return(1-i)*t+i*e}(s,o,1-Math.exp(-n*l))),Math.round(this.value)===this.to&&(this.value=this.to,i=!0);else{this.currentTime+=e;const s=t(0,this.currentTime/this.duration,1);i=s>=1;const o=i?1:this.easing(s);this.value=this.from+(this.to-this.from)*o}var s,o,n,l;this.onUpdate?.(this.value,i),i&&this.stop()}stop(){this.isRunning=!1}fromTo(t,e,{lerp:i=.1,duration:s=1,easing:o=(t=>t),onStart:n,onUpdate:l}){this.from=this.value=t,this.to=e,this.lerp=i,this.duration=s,this.easing=o,this.currentTime=0,this.isRunning=!0,n?.(),this.onUpdate=l}}class Dimensions{constructor({wrapper:t,content:e,autoResize:i=!0,debounce:s=250}={}){this.wrapper=t,this.content=e,i&&(this.debouncedResize=function(t,e){let i;return function(){let s=arguments,o=this;clearTimeout(i),i=setTimeout((function(){t.apply(o,s)}),e)}}(this.resize,s),this.wrapper===window?window.addEventListener("resize",this.debouncedResize,!1):(this.wrapperResizeObserver=new ResizeObserver(this.debouncedResize),this.wrapperResizeObserver.observe(this.wrapper)),this.contentResizeObserver=new ResizeObserver(this.debouncedResize),this.contentResizeObserver.observe(this.content)),this.resize()}destroy(){this.wrapperResizeObserver?.disconnect(),this.contentResizeObserver?.disconnect(),window.removeEventListener("resize",this.debouncedResize,!1)}resize=()=>{this.onWrapperResize(),this.onContentResize()};onWrapperResize=()=>{this.wrapper===window?(this.width=window.innerWidth,this.height=window.innerHeight):(this.width=this.wrapper.clientWidth,this.height=this.wrapper.clientHeight)};onContentResize=()=>{this.wrapper===window?(this.scrollHeight=this.content.scrollHeight,this.scrollWidth=this.content.scrollWidth):(this.scrollHeight=this.wrapper.scrollHeight,this.scrollWidth=this.wrapper.scrollWidth)};get limit(){return{x:this.scrollWidth-this.width,y:this.scrollHeight-this.height}}}class Emitter{constructor(){this.events={}}emit(t,...e){let i=this.events[t]||[];for(let t=0,s=i.length;t<s;t++)i[t](...e)}on(t,e){return this.events[t]?.push(e)||(this.events[t]=[e]),()=>{this.events[t]=this.events[t]?.filter((t=>e!==t))}}off(t,e){this.events[t]=this.events[t]?.filter((t=>e!==t))}destroy(){this.events={}}}const e=100/6;class VirtualScroll{constructor(t,{wheelMultiplier:e=1,touchMultiplier:i=1}){this.element=t,this.wheelMultiplier=e,this.touchMultiplier=i,this.touchStart={x:null,y:null},this.emitter=new Emitter,window.addEventListener("resize",this.onWindowResize,!1),this.onWindowResize(),this.element.addEventListener("wheel",this.onWheel,{passive:!1}),this.element.addEventListener("touchstart",this.onTouchStart,{passive:!1}),this.element.addEventListener("touchmove",this.onTouchMove,{passive:!1}),this.element.addEventListener("touchend",this.onTouchEnd,{passive:!1})}on(t,e){return this.emitter.on(t,e)}destroy(){this.emitter.destroy(),window.removeEventListener("resize",this.onWindowResize,!1),this.element.removeEventListener("wheel",this.onWheel,{passive:!1}),this.element.removeEventListener("touchstart",this.onTouchStart,{passive:!1}),this.element.removeEventListener("touchmove",this.onTouchMove,{passive:!1}),this.element.removeEventListener("touchend",this.onTouchEnd,{passive:!1})}onTouchStart=t=>{const{clientX:e,clientY:i}=t.targetTouches?t.targetTouches[0]:t;this.touchStart.x=e,this.touchStart.y=i,this.lastDelta={x:0,y:0},this.emitter.emit("scroll",{deltaX:0,deltaY:0,event:t})};onTouchMove=t=>{const{clientX:e,clientY:i}=t.targetTouches?t.targetTouches[0]:t,s=-(e-this.touchStart.x)*this.touchMultiplier,o=-(i-this.touchStart.y)*this.touchMultiplier;this.touchStart.x=e,this.touchStart.y=i,this.lastDelta={x:s,y:o},this.emitter.emit("scroll",{deltaX:s,deltaY:o,event:t})};onTouchEnd=t=>{this.emitter.emit("scroll",{deltaX:this.lastDelta.x,deltaY:this.lastDelta.y,event:t})};onWheel=t=>{let{deltaX:i,deltaY:s,deltaMode:o}=t;i*=1===o?e:2===o?this.windowWidth:1,s*=1===o?e:2===o?thi
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