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de(Be)],t]}]),ve,Q,B],ngContentSelectors:$e,decls:4,vars:4,consts:[["contentWrapper",""],[1,"cdk-virtual-scroll-content-wrapper"],[1,"cdk-virtual-scroll-spacer"]],template:function(i,n){i&1&&(I(),y(0,"div",1,0),P(2),M(),T(3,"div",2)),i&2&&(z(3),ye("width",n._totalContentWidth)("height",n._totalContentHeight))},styles:["cdk-virtual-scroll-viewport{display:block;position:relative;transform:translateZ(0)}.cdk-virtual-scrollable{overflow:auto;will-change:scroll-position;contain:strict;-webkit-overflow-scrolling:touch}.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});let s=t;return s})();function je(s,t,o){let e=o;if(!e.getBoundingClientRect)return 0;let i=e.getBoundingClientRect();return s==="horizontal"?t==="start"?i.left:i.right:t==="start"?i.top:i.bottom}var Vt=(()=>{let t=class t{get cdkVirtualForOf(){return this._cdkVirtualForOf}set cdkVirtualForOf(e){this._cdkVirtualForOf=e,Fe(e)?this._dataSourceChanges.next(e):this._dataSourceChanges.next(new L(x(e)?e:Array.from(e||[])))}get cdkVirtualForTrackBy(){return this._cdkVirtualForTrackBy}set cdkVirtualForTrackBy(e){this._needsUpdate=!0,this._cdkVirtualForTrackBy=e?(i,n)=>e(i+(this._renderedRange?this._renderedRange.start:0),n):void 0}set cdkVirtualForTemplate(e){e&&(this._needsUpdate=!0,this._template=e)}get cdkVirtualForTemplateCacheSize(){return this._viewRepeater.viewCacheSize}set cdkVirtualForTemplateCacheSize(e){this._viewRepeater.viewCacheSize=R(e)}constructor(e,i,n,r,a,c){this._viewContainerRef=e,this._template=i,this._differs=n,this._viewRepeater=r,this._viewport=a,this.viewChange=new u,this._dataSourceChanges=new u,this.dataStream=this._dataSourceChanges.pipe(Z(null),ae(),ce(([l,d])=>this._changeDataSource(l,d)),le(1)),this._differ=null,this._needsUpdate=!1,this._destroyed=new u,this.dataStream.subscribe(l=>{this._data=l,this._onRenderedDataChange()}),this._viewport.renderedRangeStream.pipe(v(this._destroyed)).subscribe(l=>{this._renderedRange=l,this.viewChange.observers.length&&c.run(()=>this.viewChange.next(this._renderedRange)),this._onRenderedDataChange()}),this._viewport.attach(this)}measureRangeSize(e,i){if(e.start>=e.end)return 0;e.start<this._renderedRange.start||e.end>this._renderedRange.end;let n=e.start-this._renderedRange.start,r=e.end-e.start,a,c;for(let l=0;l<r;l++){let d=this._viewContainerRef.get(l+n);if(d&&d.rootNodes.length){a=c=d.rootNodes[0];break}}for(let l=r-1;l>-1;l--){let d=this._viewContainerRef.get(l+n);if(d&&d.rootNodes.length){c=d.rootNodes[d.rootNodes.length-1];break}}return a&&c?je(i,"end",c)-je(i,"start",a):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,i)=>this.cdkVirtualForTrackBy?this.cdkVirtualForTrackBy(e,i):i)),this._needsUpdate=!0)}_changeDataSource(e,i){return e&&e.disconnect(this),this._needsUpdate=!0,i?i.connect(this):m()}_updateContext(){let e=this._data.length,i=this._viewContainerRef.length;for(;i--;){let n=this._viewContainerRef.get(i);n.context.index=this._renderedRange.start+i,n.context.count=e,this._updateComputedContextProperties(n.context),n.detectChanges()}}_applyChanges(e){this._viewRepeater.applyChanges(e,this._viewContainerRef,(r,a,c)=>this._getEmbeddedViewArgs(r,c),r=>r.item),e.forEachIdentityChange(r=>{let a=this._viewContainerRef.get(r.currentIndex);a.context.$implicit=r.item});let i=this._data.length,n=this._viewContainerRef.length;for(;n--;){let r=this._viewContainerRef.get(n);r.context.index=this._renderedRange.start+n,r.context.count=i,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,i){return{templateRef:this._template,context:{$implicit:e.item,cdkVirtualForOf:this._cdkVirtualForOf,index:-1,count:-1,first:!1,last:!1,odd:!1,even:!1},index:i}}};t.\u0275fac=function(i){return new(i||t)(h(me),h(pe),h(Oe),h(K),h(tt,4),h(_))},t.\u0275dir=C({type:t,selectors:[["","cdkVirtualFor","","cdkVirtualForOf",""]],inputs:{cdkVirtualForOf:"cdkVirtualForOf",cdkVirtualForTrackBy:"cdkVirtualForTrackBy",cdkVirtualForTemplate:"cdkVirtualForTemplate",cdkVirtualForTemplateCacheSize:"cdkVirtualForTemplateCacheSize"},standalone:!0,features:[F([{provide:K,useClass:A}])]});let s=t;return s})();var Le=(()=>{let t=class t{};t.\u0275fac=function(i){return new(i||t)},t.\u0275mod=$({type:t}),t.\u0275inj=H({});let s=t;return s})(),Mt=(()=>{let t=class t{};t.\u0275fac=function(i){return new(i||t)},t.\u0275mod=$({type:t}),t.\u0275inj=H({imports:[q,Le,q,Le]});let s=t;return s})();export{rt as a,Fe as b,Pe as c,zt as d,ee as e,Ne as f,Xe as g,tt as h,Vt as i,Le as j,Mt as k};