import{b as Re,c as ye,d as F,e as xe}from"./chunk-D2NXOKOR.js";import{a as u,b as we,c as f}from"./chunk-OH3XPIE7.js";import{a as C,b as Se,c as T,d as g,f as Ce}from"./chunk-RAVHNKJU.js";import{Ab as _,Ba as Y,Ca as q,Cb as V,Ea as Q,Ec as S,F as A,G as m,Ha as z,Jb as re,O as N,T as W,Vc as pe,W as j,Wb as ne,Xb as oe,Xc as _e,Y as x,Yb as se,Z as U,_ as v,a as M,c as R,dd as ge,ea as H,ed as me,f as h,fa as k,fb as X,fc as le,ga as D,gc as ae,gd as ve,i as I,ia as b,ic as ce,jc as de,k as L,ka as o,kc as he,lb as p,nb as K,ob as J,pc as ue,q as y,qb as O,qc as fe,rb as ee,s as P,sa as G,ta as Z,ua as $,ub as te,ya as w,yb as ie,zb as E}from"./chunk-AQ27DSQO.js";var Ee=["contentWrapper"],Ve=["*"],ze=new b("VIRTUAL_SCROLL_STRATEGY"),B=class{_scrolledIndexChange=new h;scrolledIndexChange=this._scrolledIndexChange.pipe(N());_viewport=null;_itemSize;_minBufferPx;_maxBufferPx;constructor(a,e,t){this._itemSize=a,this._minBufferPx=e,this._maxBufferPx=t}attach(a){this._viewport=a,this._updateTotalContentSize(),this._updateRenderedRange()}detach(){this._scrolledIndexChange.complete(),this._viewport=null}updateItemAndBufferSize(a,e,t){t<e,this._itemSize=a,this._minBufferPx=e,this._maxBufferPx=t,this._updateTotalContentSize(),this._updateRenderedRange()}onContentScrolled(){this._updateRenderedRange()}onDataLengthChanged(){this._updateTotalContentSize(),this._updateRenderedRange()}onContentRendered(){}onRenderedOffsetChanged(){}scrollToIndex(a,e){this._viewport&&this._viewport.scrollToOffset(a*this._itemSize,e)}_updateTotalContentSize(){this._viewport&&this._viewport.setTotalContentSize(this._viewport.getDataLength()*this._itemSize)}_updateRenderedRange(){if(!this._viewport)return;let a=this._viewport.getRenderedRange(),e={start:a.start,end:a.end},t=this._viewport.getViewportSize(),i=this._viewport.getDataLength(),r=this._viewport.measureScrollOffset(),s=this._itemSize>0?r/this._itemSize:0;if(e.end>i){let l=Math.ceil(t/this._itemSize),c=Math.max(0,Math.min(s,i-l));s!=c&&(s=c,r=c*this._itemSize,e.start=Math.floor(s)),e.end=Math.max(0,Math.min(i,e.start+l))}let d=r-e.start*this._itemSize;if(d<this._minBufferPx&&e.start!=0){let l=Math.ceil((this._maxBufferPx-d)/this._itemSize);e.start=Math.max(0,e.start-l),e.end=Math.min(i,Math.ceil(s+(t+this._minBufferPx)/this._itemSize))}else{let l=e.end*this._itemSize-(r+t);if(l<this._minBufferPx&&e.end!=i){let c=Math.ceil((this._maxBufferPx-l)/this._itemSize);c>0&&(e.end=Math.min(i,e.end+c),e.start=Math.max(0,Math.floor(s-this._minBufferPx/this._itemSize)))}}this._viewport.setRenderedRange(e),this._viewport.setRenderedContentOffset(Math.round(this._itemSize*e.start)),this._scrolledIndexChange.next(Math.floor(s))}};function Te(n){return n._scrollStrategy}var lt=(()=>{class n{get itemSize(){return this._itemSize}set itemSize(e){this._itemSize=g(e)}_itemSize=20;get minBufferPx(){return this._minBufferPx}set minBufferPx(e){this._minBufferPx=g(e)}_minBufferPx=100;get maxBufferPx(){return this._maxBufferPx}set maxBufferPx(e){this._maxBufferPx=g(e)}_maxBufferPx=200;_scrollStrategy=new B(this.itemSize,this.minBufferPx,this.maxBufferPx);ngOnChanges(){this._scrollStrategy.updateItemAndBufferSize(this.itemSize,this.minBufferPx,this.maxBufferPx)}static \u0275fac=function(t){return new(t||n)};static \u0275dir=_({type:n,selectors:[["cdk-virtual-scroll-viewport","itemSize",""]],inputs:{itemSize:"itemSize",minBufferPx:"minBufferPx",maxBufferPx:"maxBufferPx"},features:[S([{provide:ze,useFactory:Te,deps:[H(()=>n)]}]),Q]})}return n})(),Fe=20,Be=(()=>{class n{_ngZone=o(p);_platform=o(C);_renderer=o(O).createRenderer(null,null);_cleanupGlobalListener;constructor(){}_scrolled=new h;_scrolledCount=0;scrollContainers=new Map;register(e){this.scrollContainers.has(e)||this.scrollContainers.set(e,e.elementScrolled().subscribe(()=>this._scrolled.next(e)))}deregister(e){let t=this.scrollContainers.get(e);t&&(t.unsubscribe(),this.scrollContainers.delete(e))}scrolled(e=Fe){return this._platform.isBrowser?new R(t=>{this._cleanupGlobalListener||(this._cleanupGlobalListener=this._ngZone.runOutsideAngular(()=>this._renderer.listen("document","scroll",()=>this._scrolled.next())));let i=e>0?this._scrolled.pipe(m(e)).subscribe(t):this._scrolled.subscribe(t);return this._scrolledCount++,()=>{i.unsubscribe(),this._scrolledCount--,this._scrolledCount||(this._cleanupGlobalListener?.(),this._cleanupGlobalListener=void 0)}}):y()}ngOnDestroy(){this._cleanupGlobalListener?.(),this._cleanupGlobalListener=void 0,this.scrollContainers.forEach((e,t)=>this.deregister(t)),this._scrolled.complete()}ancestorScrolled(e,t){let i=this.getAncestorScrollContainers(e);return this.scrolled(t).pipe(A(r=>!r||i.indexOf(r)>-1))}getAncestorScrollContainers(e){let t=[];return this.scrollContainers.forEach((i,r)=>{this._scrollableContainsElement(r,e)&&t.push(r)}),t}_scrollableContainsElement(e,t){let i=Ce(t),r=e.getElementRef().nativeElement;do if(i==r)return!0;while(i=i.parentElement);return!1}static \u0275fac=function(t){return new(t||n)};static \u0275prov=k({token:n,factory:n.\u0275fac,providedIn:"root"})}return n})(),Oe=(()=>{class n{elementRef=o(z);scrollDispatcher=o(Be);ngZone=o(p);dir=o(Se,{optional:!0});_scrollElement=this.elementRef.nativeElement;_destroyed=new h;_renderer=o(ee);_cleanupScroll;_elementScrolled=new h;constructor(){}ngOnInit(){this._cleanupScroll=this.ngZone.runOutsideAngular(()=>this._renderer.listen(this._scrollElement,"scroll",e=>this._elementScrolled.next(e))),this.scrollDispatcher.register(this)}ngOnDestroy(){this._cleanupScroll?.(),this._elementScrolled.complete(),this.scrollDispatcher.deregister(this),this._destroyed.next(),this._destroyed.complete()}elementScrolled(){return this._elementScrolled}getElementRef(){return this.elementRef}scrollTo(e){let t=this.elementRef.nativeElement,i=this.dir&&this.dir.value=="rtl";e.left==null&&(e.left=i?e.end:e.start),e.right==null&&(e.right=i?e.start:e.end),e.bottom!=null&&(e.top=t.scrollHeight-t.clientHeight-e.bottom),i&&f()!=u.NORMAL?(e.left!=null&&(e.right=t.scrollWidth-t.clientWidth-e.left),f()==u.INVERTED?e.left=e.right:f()==u.NEGATED&&(e.left=e.right?-e.right:e.right)):e.right!=null&&(e.left=t.scrollWidth-t.clientWidth-e.right),this._applyScrollToOptions(e)}_applyScrollToOptions(e){let t=this.elementRef.nativeElement;we()?t.scrollTo(e):(e.top!=null&&(t.scrollTop=e.top),e.left!=null&&(t.scrollLeft=e.left))}measureScrollOffset(e){let t="left",i="right",r=this.elementRef.nativeElement;if(e=="top")return r.scrollTop;if(e=="bottom")return r.scrollHeight-r.clientHeight-r.scrollTop;let s=this.dir&&this.dir.value=="rtl";return e=="start"?e=s?i:t:e=="end"&&(e=s?t:i),s&&f()==u.INVERTED?e==t?r.scrollWidth-r.clientWidth-r.scrollLeft:r.scrollLeft:s&&f()==u.NEGATED?e==t?r.scrollLeft+r.scrollWidth-r.clientWidth:-r.scrollLeft:e==t?r.scrollLeft:r.scrollWidth-r.clientWidth-r.scrollLeft}static \u0275fac=function(t){return new(t||n)};static \u0275dir=_({type:n,selectors:[["","cdk-scrollable",""],["","cdkScrollable",""]]})}return n})(),Me=20,Ie=(()=>{class n{_platform=o(C);_listeners;_viewportSize;_change=new h;_document=o(Z);constructor(){let e=o(p),t=o(O).createRenderer(null,null);e.runOutsideAngular(()=>{if(this._platform.isBrowser){let i=r=>this._change.next(r);this._listeners=[t.listen("window","resize",i),t.listen("window","orientationchange",i)]}this.change().subscribe(()=>this._viewportSize=null)})}ngOnDestroy(){this._listeners?.forEach(e=>e()),this._change.complete()}getViewportSize(){this._viewportSize||this._updateViewportSize();let e={width:this._viewportSize.width,height:this._viewportSize.height};return this._platform.isBrowser||(this._viewportSize=null),e}getViewportRect(){let e=this.getViewportScrollPosition(),{width:t,height:i}=this.getViewportSize();return{top:e.top,left:e.left,bottom:e.top+i,right:e.left+t,height:i,width:t}}getViewportScrollPosition(){if(!this._platform.isBrowser)return{top:0,left:0};let e=this._document,t=this._getWindow(),i=e.documentElement,r=i.getBoundingClientRect(),s=-r.top||e.body.scrollTop||t.scrollY||i.scrollTop||0,d=-r.left||e.body.scrollLeft||t.scrollX||i.scrollLeft||0;return{top:s,left:d}}change(e=Me){return e>0?this._change.pipe(m(e)):this._change}_getWindow(){return this._document.defaultView||window}_updateViewportSize(){let e=this._getWindow();this._viewportSize=this._platform.isBrowser?{width:e.innerWidth,height:e.innerHeight}:{width:0,height:0}}static \u0275fac=function(t){return new(t||n)};static \u0275prov=k({token:n,factory:n.\u0275fac,providedIn:"root"})}return n})(),ke=new b("VIRTUAL_SCROLLABLE"),Le=(()=>{class n extends Oe{constructor(){super()}measureViewportSize(e){let t=this.elementRef.nativeElement;return e==="horizontal"?t.clientWidth:t.clientHeight}static \u0275fac=function(t){return new(t||n)};static \u0275dir=_({type:n,features:[V]})}return n})();function Pe(n,a){return n.start==a.start&&n.end==a.end}var Ae=typeof requestAnimationFrame<"u"?L:I,Ne=(()=>{class n extends Le{elementRef=o(z);_changeDetectorRef=o(ge);_scrollStrategy=o(ze,{optional:!0});scrollable=o(ke,{optional:!0});_platform=o(C);_detachedSubject=new h;_renderedRangeSubject=new h;get orientation(){return this._orientation}set orientation(e){this._orientation!==e&&(this._orientation=e,this._calculateSpacerSize())}_orientation="vertical";appendOnly=!1;scrolledIndexChange=new R(e=>this._scrollStrategy.scrolledIndexChange.subscribe(t=>Promise.resolve().then(()=>this.ngZone.run(()=>e.next(t)))));_contentWrapper;renderedRangeStream=this._renderedRangeSubject;_totalContentSize=0;_totalContentWidth=w("");_totalContentHeight=w("");_renderedContentTransform;_renderedRange={start:0,end:0};_dataLength=0;_viewportSize=0;_forOf;_renderedContentOffset=0;_renderedContentOffsetNeedsRewrite=!1;_changeDetectionNeeded=w(!1);_runAfterChangeDetection=[];_viewportChanges=M.EMPTY;_injector=o(G);_isDestroyed=!1;constructor(){super();let e=o(Ie);this._scrollStrategy,this._viewportChanges=e.change().subscribe(()=>{this.checkViewportSize()}),this.scrollable||(this.elementRef.nativeElement.classList.add("cdk-virtual-scrollable"),this.scrollable=this);let t=_e(()=>{this._changeDetectionNeeded()&&this._doChangeDetection()},{injector:o(re).injector});o($).onDestroy(()=>void t.destroy())}ngOnInit(){this._platform.isBrowser&&(this.scrollable===this&&super.ngOnInit(),this.ngZone.runOutsideAngular(()=>Promise.resolve().then(()=>{this._measureViewportSize(),this._scrollStrategy.attach(this),this.scrollable.elementScrolled().pipe(x(null),m(0,Ae),v(this._destroyed)).subscribe(()=>this._scrollStrategy.onContentScrolled()),this._markChangeDetectionNeeded()})))}ngOnDestroy(){this.detach(),this._scrollStrategy.detach(),this._renderedRangeSubject.complete(),this._detachedSubject.complete(),this._viewportChanges.unsubscribe(),this._isDestroyed=!0,super.ngOnDestroy()}attach(e){this._forOf,this.ngZone.runOutsideAngular(()=>{this._forOf=e,this._forOf.dataStream.pipe(v(this._detachedSubject)).subscribe(t=>{let i=t.length;i!==this._dataLength&&(this._dataLength=i,this._scrollStrategy.onDataLengthChanged()),this._doChangeDetection()})})}detach(){this._forOf=null,this._detachedSubject.next()}getDataLength(){return this._dataLength}getViewportSize(){return this._viewportSize}getRenderedRange(){return this._renderedRange}measureBoundingClientRectWithScrollOffset(e){return this.getElementRef().nativeElement.getBoundingClientRect()[e]}setTotalContentSize(e){this._totalContentSize!==e&&(this._totalContentSize=e,this._calculateSpacerSize(),this._markChangeDetectionNeeded())}setRenderedRange(e){Pe(this._renderedRange,e)||(this.appendOnly&&(e={start:0,end:Math.max(this._renderedRange.end,e.end)}),this._renderedRangeSubject.next(this._renderedRange=e),this._markChangeDetectionNeeded(()=>this._scrollStrategy.onContentRendered()))}getOffsetToRenderedContentStart(){return this._renderedContentOffsetNeedsRewrite?null:this._renderedContentOffset}setRenderedContentOffset(e,t="to-start"){e=this.appendOnly&&t==="to-start"?0:e;let i=this.dir&&this.dir.value=="rtl",r=this.orientation=="horizontal",s=r?"X":"Y",l=`translate${s}(${Number((r&&i?-1:1)*e)}px)`;this._renderedContentOffset=e,t==="to-end"&&(l+=` translate${s}(-100%)`,this._renderedContentOffsetNeedsRewrite=!0),this._renderedContentTransform!=l&&(this._renderedContentTransform=l,this._markChangeDetectionNeeded(()=>{this._renderedContentOffsetNeedsRewrite?(this._renderedContentOffset-=this.measureRenderedContentSize(),this._renderedContentOffsetNeedsRewrite=!1,this.setRenderedContentOffset(this._renderedContentOffset)):this._scrollStrategy.onRenderedOffsetChanged()}))}scrollToOffset(e,t="auto"){let i={behavior:t};this.orientation==="horizontal"?i.start=e:i.top=e,this.scrollable.scrollTo(i)}scrollToIndex(e,t="auto"){this._scrollStrategy.scrollToIndex(e,t)}measureScrollOffset(e){let t;return this.scrollable==this?t=i=>super.measureScrollOffset(i):t=i=>this.scrollable.measureScrollOffset(i),Math.max(0,t(e??(this.orientation==="horizontal"?"start":"top"))-this.measureViewportOffset())}measureViewportOffset(e){let t,i="left",r="right",s=this.dir?.value=="rtl";e=="start"?t=s?r:i:e=="end"?t=s?i:r:e?t=e:t=this.orientation==="horizontal"?"left":"top";let d=this.scrollable.measureBoundingClientRectWithScrollOffset(t);return this.elementRef.nativeElement.getBoundingClientRect()[t]-d}measureRenderedContentSize(){let e=this._contentWrapper.nativeElement;return this.orientation==="horizontal"?e.offsetWidth:e.offsetHeight}measureRangeSize(e){return this._forOf?this._forOf.measureRangeSize(e,this.orientation):0}checkViewportSize(){this._measureViewportSize(),this._scrollStrategy.onDataLengthChanged()}_measureViewportSize(){this._viewportSize=this.scrollable.measureViewportSize(this.orientation)}_markChangeDetectionNeeded(e){e&&this._runAfterChangeDetection.push(e),!pe(this._changeDetectionNeeded)&&this.ngZone.runOutsideAngular(()=>{Promise.resolve().then(()=>{this.ngZone.run(()=>{this._changeDetectionNeeded.set(!0)})})})}_doChangeDetection(){this._isDestroyed||this.ngZone.run(()=>{this._changeDetectorRef.markForCheck(),this._contentWrapper.nativeElement.style.transform=this._renderedContentTransform,K(()=>{this._changeDetectionNeeded.set(!1);let e=this._runAfterChangeDetection;this._runAfterChangeDetection=[];for(let t of e)t()},{injector:this._injector})})}_calculateSpacerSize(){this._totalContentHeight.set(this.orientation==="horizontal"?"":`${this._totalContentSize}px`),this._totalContentWidth.set(this.orientation==="horizontal"?`${this._totalContentSize}px`:"")}static \u0275fac=function(t){return new(t||n)};static \u0275cmp=ie({type:n,selectors:[["cdk-virtual-scroll-viewport"]],viewQuery:function(t,i){if(t&1&&ce(Ee,7),t&2){let r;de(r=he())&&(i._contentWrapper=r.first)}},hostAttrs:[1,"cdk-virtual-scroll-viewport"],hostVars:4,hostBindings:function(t,i){t&2&&fe("cdk-virtual-scroll-orientation-horizontal",i.orientation==="horizontal")("cdk-virtual-scroll-orientation-vertical",i.orientation!=="horizontal")},inputs:{orientation:"orientation",appendOnly:[2,"appendOnly","appendOnly",ve]},outputs:{scrolledIndexChange:"scrolledIndexChange"},features:[S([{provide:Oe,useFactory:(e,t)=>e||t,deps:[[new q,new Y(ke)],n]}]),V],ngContentSelectors:Ve,decls:4,vars:4,consts:[["contentWrapper",""],[1,"cdk-virtual-scroll-content-wrapper"],[1,"cdk-virtual-scroll-spacer"]],template:function(t,i){t&1&&(le(),ne(0,"div",1,0),ae(2),oe(),se(3,"div",2)),t&2&&(X(3),ue("width",i._totalContentWidth())("height",i._totalContentHeight()))},styles:[`cdk-virtual-scroll-viewport{display:block;position:relative;transform:translateZ(0)}.cdk-virtual-scrollable{overflow:auto;will-change:scroll-position;contain:strict}.cdk-virtual-scroll-content-wrapper{position:absolute;top:0;left:0;contain:content}[dir=rtl] .cdk-virtual-scroll-content-wrapper{right:0;left:auto}.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper{min-height:100%}.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>dl:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>ol:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>table:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>ul:not([cdkVirtualFor]){padding-left:0;padding-right:0;margin-left:0;margin-right:0;border-left-width:0;border-right-width:0;outline:none}.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper{min-width:100%}.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>dl:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>ol:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>table:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>ul:not([cdkVirtualFor]){padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;border-top-width:0;border-bottom-width:0;outline:none}.cdk-virtual-scroll-spacer{height:1px;transform-origin:0 0;flex:0 0 auto}[dir=rtl] .cdk-virtual-scroll-spacer{transform-origin:100% 0}
`],encapsulation:2,changeDetection:0})}return n})();function De(n,a,e){let t=e;if(!t.getBoundingClientRect)return 0;let i=t.getBoundingClientRect();return n==="horizontal"?a==="start"?i.left:i.right:a==="start"?i.top:i.bottom}var at=(()=>{class n{_viewContainerRef=o(te);_template=o(J);_differs=o(me);_viewRepeater=o(F);_viewport=o(Ne,{skipSelf:!0});viewChange=new h;_dataSourceChanges=new h;get cdkVirtualForOf(){return this._cdkVirtualForOf}set cdkVirtualForOf(e){this._cdkVirtualForOf=e,Re(e)?this._dataSourceChanges.next(e):this._dataSourceChanges.next(new ye(P(e)?e:Array.from(e||[])))}_cdkVirtualForOf;get cdkVirtualForTrackBy(){return this._cdkVirtualForTrackBy}set cdkVirtualForTrackBy(e){this._needsUpdate=!0,this._cdkVirtualForTrackBy=e?(t,i)=>e(t+(this._renderedRange?this._renderedRange.start:0),i):void 0}_cdkVirtualForTrackBy;set cdkVirtualForTemplate(e){e&&(this._needsUpdate=!0,this._template=e)}get cdkVirtualForTemplateCacheSize(){return this._viewRepeater.viewCacheSize}set cdkVirtualForTemplateCacheSize(e){this._viewRepeater.viewCacheSize=g(e)}dataStream=this._dataSourceChanges.pipe(x(null),W(),U(([e,t])=>this._changeDataSource(e,t)),j(1));_differ=null;_data;_renderedItems;_renderedRange;_needsUpdate=!1;_destroyed=new h;constructor(){let e=o(p);this.dataStream.subscribe(t=>{this._data=t,this._onRenderedDataChange()}),this._viewport.renderedRangeStream.pipe(v(this._destroyed)).subscribe(t=>{this._renderedRange=t,this.viewChange.observers.length&&e.run(()=>this.viewChange.next(this._renderedRange)),this._onRenderedDataChange()}),this._viewport.attach(this)}measureRangeSize(e,t){if(e.start>=e.end)return 0;e.start<this._renderedRange.start||e.end>this._renderedRange.end;let i=e.start-this._renderedRange.start,r=e.end-e.start,s,d;for(let l=0;l<r;l++){let c=this._viewContainerRef.get(l+i);if(c&&c.rootNodes.length){s=d=c.rootNodes[0];break}}for(let l=r-1;l>-1;l--){let c=this._viewContainerRef.get(l+i);if(c&&c.rootNodes.length){d=c.rootNodes[c.rootNodes.length-1];break}}return s&&d?De(t,"end",d)-De(t,"start",s):0}ngDoCheck(){if(this._differ&&this._needsUpdate){let e=this._differ.diff(this._renderedItems);e?this._applyChanges(e):this._updateContext(),this._needsUpdate=!1}}ngOnDestroy(){this._viewport.detach(),this._dataSourceChanges.next(void 0),this._dataSourceChanges.complete(),this.viewChange.complete(),this._destroyed.next(),this._destroyed.complete(),this._viewRepeater.detach()}_onRenderedDataChange(){this._renderedRange&&(this._renderedItems=this._data.slice(this._renderedRange.start,this._renderedRange.end),this._differ||(this._differ=this._differs.find(this._renderedItems).create((e,t)=>this.cdkVirtualForTrackBy?this.cdkVirtualForTrackBy(e,t):t)),this._needsUpdate=!0)}_changeDataSource(e,t){return e&&e.disconnect(this),this._needsUpdate=!0,t?t.connect(this):y()}_updateContext(){let e=this._data.length,t=this._viewContainerRef.length;for(;t--;){let i=this._viewContainerRef.get(t);i.context.index=this._renderedRange.start+t,i.context.count=e,this._updateComputedContextProperties(i.context),i.detectChanges()}}_applyChanges(e){this._viewRepeater.applyChanges(e,this._viewContainerRef,(r,s,d)=>this._getEmbeddedViewArgs(r,d),r=>r.item),e.forEachIdentityChange(r=>{let s=this._viewContainerRef.get(r.currentIndex);s.context.$implicit=r.item});let t=this._data.length,i=this._viewContainerRef.length;for(;i--;){let r=this._viewContainerRef.get(i);r.context.index=this._renderedRange.start+i,r.context.count=t,this._updateComputedContextProperties(r.context)}}_updateComputedContextProperties(e){e.first=e.index===0,e.last=e.index===e.count-1,e.even=e.index%2===0,e.odd=!e.even}_getEmbeddedViewArgs(e,t){return{templateRef:this._template,context:{$implicit:e.item,cdkVirtualForOf:this._cdkVirtualForOf,index:-1,count:-1,first:!1,last:!1,odd:!1,even:!1},index:t}}static ngTemplateContextGuard(e,t){return!0}static \u0275fac=function(t){return new(t||n)};static \u0275dir=_({type:n,selectors:[["","cdkVirtualFor","","cdkVirtualForOf",""]],inputs:{cdkVirtualForOf:"cdkVirtualForOf",cdkVirtualForTrackBy:"cdkVirtualForTrackBy",cdkVirtualForTemplate:"cdkVirtualForTemplate",cdkVirtualForTemplateCacheSize:"cdkVirtualForTemplateCacheSize"},features:[S([{provide:F,useClass:xe}])]})}return n})();var be=(()=>{class n{static \u0275fac=function(t){return new(t||n)};static \u0275mod=E({type:n});static \u0275inj=D({})}return n})(),ct=(()=>{class n{static \u0275fac=function(t){return new(t||n)};static \u0275mod=E({type:n});static \u0275inj=D({imports:[T,be,T,be]})}return n})();export{lt as a,Be as b,Ie as c,Ne as d,at as e,be as f,ct as g};