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react-virtuoso - npm Package Compare versions

Comparing version 2.13.4 to 2.14.0

2

dist/index.js

@@ -1,2 +0,2 @@

"use strict";var e=require("@virtuoso.dev/react-urx"),t=require("@virtuoso.dev/urx"),n=require("react"),r=require("react-dom");function o(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach(function(n){if("default"!==n){var r=Object.getOwnPropertyDescriptor(e,n);Object.defineProperty(t,n,r.get?r:{enumerable:!0,get:function(){return e[n]}})}}),t.default=e,t}var i=o(t),a=o(n);function l(){return l=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r])}return e},l.apply(this,arguments)}function s(e,t){if(null==e)return{};var n,r,o={},i=Object.keys(e);for(r=0;r<i.length;r++)t.indexOf(n=i[r])>=0||(o[n]=e[n]);return o}function u(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,r=new Array(t);n<t;n++)r[n]=e[n];return r}function c(e,t){var n="undefined"!=typeof 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p=((m={})[exports.LogLevel.DEBUG]="debug",m[exports.LogLevel.INFO]="log",m[exports.LogLevel.WARN]="warn",m[exports.LogLevel.ERROR]="error",m),h=i.system(function(){var e=i.statefulStream(exports.LogLevel.ERROR);return{log:i.statefulStream(function(t,n,r){var o;void 0===r&&(r=exports.LogLevel.INFO),r>=(null!=(o=("undefined"==typeof globalThis?window:globalThis).VIRTUOSO_LOG_LEVEL)?o:i.getValue(e))&&console[p[r]]("%creact-virtuoso: %c%s %o","color: #0253b3; font-weight: bold","color: initial",t,n)}),logLevel:e}},[],{singleton:!0});function g(e,t){void 0===t&&(t=!0);var r=n.useRef(null),o=function(e){};if("undefined"!=typeof ResizeObserver){var i=new ResizeObserver(function(t){var n=t[0].target;null!==n.offsetParent&&e(n)});o=function(e){e&&t?(i.observe(e),r.current=e):(r.current&&i.unobserve(r.current),r.current=null)}}return{ref:r,callbackRef:o}}function v(e,t){return void 0===t&&(t=!0),g(e,t).callbackRef}function S(e,t,n,r,o,i){return g(function(n){for(var a=function(e,t,n,r){var o=e.length;if(0===o)return null;for(var i=[],a=0;a<o;a++){var l=e.item(a);if(l&&void 0!==l.dataset.index){var s=parseInt(l.dataset.index),u=parseFloat(l.dataset.knownSize),c=t(l,"offsetHeight");if(0===c&&r("Zero-sized element, this should not happen",{child:l},exports.LogLevel.ERROR),c!==u){var m=i[i.length-1];0===i.length||m.size!==c||m.endIndex!==s-1?i.push({startIndex:s,endIndex:s,size:c}):i[i.length-1].endIndex++}}}return i}(n.children,t,0,o),l=n.parentElement;!l.dataset.virtuosoScroller;)l=l.parentElement;var s=i?i.scrollTop:"window"===l.firstElementChild.dataset.viewportType?window.pageYOffset||document.documentElement.scrollTop:l.scrollTop;r({scrollTop:Math.max(s,0),scrollHeight:(null!=i?i:l).scrollHeight,viewportHeight:(null!=i?i:l).offsetHeight}),null!==a&&e(a)},n)}function I(e,t){return Math.round(e.getBoundingClientRect()[t])}function C(e,t){return Math.abs(e-t)<1.01}function T(e,t,o,a,l){void 0===a&&(a=i.noop);var 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o,i,a,l="smooth"===n.behavior;if(r===window?(i=Math.max(I(document.documentElement,"height"),document.documentElement.scrollHeight),o=window.innerHeight,a=document.documentElement.scrollTop):(i=r.scrollHeight,o=I(r,"height"),a=r.scrollTop),n.top=Math.ceil(Math.max(Math.min(i-o,n.top),0)),C(o,i)||n.top===a)return e({scrollTop:a,scrollHeight:i,viewportHeight:o}),void(l&&t(!0));l?(u.current=n.top,c.current&&clearTimeout(c.current),c.current=setTimeout(function(){c.current=null,u.current=null,t(!0)},1e3)):u.current=null,r.scrollTo(n)}}}}var x=i.system(function(){var e=i.stream(),t=i.stream(),n=i.statefulStream(0),r=i.stream(),o=i.statefulStream(0),a=i.stream(),l=i.stream(),s=i.statefulStream(0),u=i.statefulStream(0),c=i.statefulStream(0),m=i.stream(),d=i.stream(),f=i.statefulStream(!1),p=i.statefulStream(!1);return i.connect(i.pipe(e,i.map(function(e){return e.scrollTop})),t),i.connect(i.pipe(e,i.map(function(e){return 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t=e[0].log,n=e[1].recalcInProgress,r=i.stream(),o=i.stream(),a=i.statefulStreamFromEmitter(o,0),s=i.stream(),u=i.stream(),c=i.statefulStream(0),m=i.statefulStream([]),d=i.statefulStream(void 0),f=i.statefulStream(void 0),p=i.statefulStream(function(e,t){return I(e,ee[t])}),h=i.statefulStream(void 0),g={offsetTree:[],sizeTree:E(),groupOffsetTree:E(),lastIndex:0,lastOffset:0,lastSize:0,groupIndices:[]},v=i.statefulStreamFromEmitter(i.pipe(r,i.withLatestFrom(m,t),i.scan(Z,g),i.distinctUntilChanged()),g);i.connect(i.pipe(m,i.filter(function(e){return e.length>0}),i.withLatestFrom(v),i.map(function(e){var t=e[0],n=e[1],r=t.reduce(function(e,t,r){return R(e,t,J(t,n.offsetTree)||r)},E());return l({},n,{groupIndices:t,groupOffsetTree:r})})),v),i.connect(i.pipe(o,i.withLatestFrom(v),i.filter(function(e){return e[0]<e[1].lastIndex}),i.map(function(e){var t=e[1];return[{startIndex:e[0],endIndex:t.lastIndex,size:t.lastSize}]})),r),i.connect(d,f);var S=i.statefulStreamFromEmitter(i.pipe(d,i.map(function(e){return void 0===e})),!0);i.connect(i.pipe(f,i.filter(function(e){return void 0!==e&&y(i.getValue(v).sizeTree)}),i.map(function(e){return[{startIndex:0,endIndex:0,size:e}]})),r);var C=i.streamFromEmitter(i.pipe(r,i.withLatestFrom(v),i.scan(function(e,t){var n=t[1];return{changed:n!==e.sizes,sizes:n}},{changed:!1,sizes:g}),i.map(function(e){return e.changed})));i.subscribe(i.pipe(c,i.scan(function(e,t){return{diff:e.prev-t,prev:t}},{diff:0,prev:0}),i.map(function(e){return e.diff})),function(e){e>0?(i.publish(n,!0),i.publish(s,e)):e<0&&i.publish(u,e)}),i.subscribe(i.pipe(c,i.withLatestFrom(t)),function(e){e[0]<0&&(0,e[1])("`firstItemIndex` prop should not be set to less than zero. 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l({},n,{sizeTree:r},Y(n.offsetTree,0,r))})),v),{data:h,totalCount:o,sizeRanges:r,groupIndices:m,defaultItemSize:f,fixedItemSize:d,unshiftWith:s,shiftWith:u,shiftWithOffset:x,beforeUnshiftWith:T,firstItemIndex:c,sizes:v,listRefresh:C,statefulTotalCount:a,trackItemSizes:S,itemSize:p}},i.tup(h,G),{singleton:!0}),ne="undefined"!=typeof document&&"scrollBehavior"in document.documentElement.style;function re(e){var t="number"==typeof e?{index:e}:e;return t.align||(t.align="start"),t.behavior&&ne||(t.behavior="auto"),t.offset||(t.offset=0),t}var oe=i.system(function(e){var t=e[0],n=t.sizes,r=t.totalCount,o=t.listRefresh,a=e[1],l=a.scrollingInProgress,s=a.viewportHeight,u=a.scrollTo,c=a.smoothScrollTargetReached,m=a.headerHeight,d=a.footerHeight,f=e[2].log,p=i.stream(),h=i.statefulStream(0),g=null,v=null,S=null;function I(){g&&(g(),g=null),S&&(S(),S=null),v&&(clearTimeout(v),v=null),i.publish(l,!1)}return i.connect(i.pipe(p,i.withLatestFrom(n,s,r,h,m,d,f),i.map(function(e){var t=e[0],n=e[1],r=e[2],a=e[3],s=e[4],u=e[5],m=e[6],d=e[7],f=re(t),h=f.align,C=f.behavior,T=f.offset,x=a-1,w=$(f,n,x),b=J(w,n.offsetTree)+u;"end"===h?(b=b-r+H(n.sizeTree,w)[1],w===x&&(b+=m)):"center"===h?b=b-r/2+H(n.sizeTree,w)[1]/2:b-=s,T&&(b+=T);var y=function(e){I(),e?(d("retrying to scroll to",{location:t},exports.LogLevel.DEBUG),i.publish(p,t)):d("list did not change, scroll successful",{},exports.LogLevel.DEBUG)};if(I(),"smooth"===C){var E=!1;S=i.subscribe(o,function(e){E=E||e}),g=i.handleNext(c,function(){y(E)})}else g=i.handleNext(i.pipe(o,function(e){var t=setTimeout(function(){e(!1)},150);return function(n){n&&(e(!0),clearTimeout(t))}}),y);return v=setTimeout(function(){I()},1200),i.publish(l,!0),d("scrolling from index 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i.connect(i.pipe(h,i.filter(function(e){return!e}),i.mapTo(0)),T),i.connect(i.pipe(r,i.throttleTime(100),i.withLatestFrom(h),i.filter(function(e){return!!e[1]}),i.scan(function(e,t){return[e[1],t[0]]},[0,0]),i.map(function(e){return e[1]-e[0]})),T),{isScrolling:h,isAtTop:c,isAtBottom:u,atBottomState:v,atTopStateChange:d,atBottomStateChange:m,scrollDirection:I,atBottomThreshold:f,atTopThreshold:p,scrollVelocity:T,lastJumpDueToItemResize:S}},i.tup(x)),se=i.system(function(e){var t=e[0].log,n=i.statefulStream(!1),r=i.streamFromEmitter(i.pipe(n,i.filter(function(e){return e}),i.distinctUntilChanged()));return i.subscribe(n,function(e){e&&i.getValue(t)("props updated",{},exports.LogLevel.DEBUG)}),{propsReady:n,didMount:r}},i.tup(h),{singleton:!0}),ue=i.system(function(e){var t=e[0],n=t.sizes,r=t.listRefresh,o=t.defaultItemSize,a=e[1].scrollTop,l=e[2].scrollToIndex,s=e[3].didMount,u=i.statefulStream(!0),c=i.statefulStream(0);return 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t=e[0],n=e[1],r=e[2],o=e[3],i=n.enter;if(r){if((0,n.exit)(t,o))return!1}else if(i(t,o))return!0;return r}),i.distinctUntilChanged()),n),i.subscribe(i.pipe(i.combineLatest(n,t,r),i.withLatestFrom(o)),function(e){var t=e[0],n=e[1];return t[0]&&n&&n.change&&n.change(t[1],t[2])}),{isSeeking:n,scrollSeekConfiguration:o,scrollVelocity:t,scrollSeekRangeChanged:r}},i.tup(le),{singleton:!0}),ye=i.system(function(e){var t=e[0].topItemsIndexes,n=i.statefulStream(0);return i.connect(i.pipe(n,i.filter(function(e){return e>0}),i.map(function(e){return Array.from({length:e}).map(function(e,t){return t})})),t),{topItemCount:n}},i.tup(xe)),Ee=i.system(function(e){var t=e[0],n=t.footerHeight,r=t.headerHeight,o=t.fixedHeaderHeight,a=e[1].listState,l=i.stream(),s=i.statefulStreamFromEmitter(i.pipe(i.combineLatest(n,r,o,a),i.map(function(e){var t=e[3];return e[0]+e[1]+e[2]+t.offsetBottom+t.bottom})),0);return 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i.subscribe(i.pipe(n,i.withLatestFrom(o),i.filter(function(e){return 0!==e[1]}),i.map(function(e){return{top:e[1]}})),function(e){i.handleNext(i.pipe(t,i.filter(function(e){return 0!==e})),function(){setTimeout(function(){i.publish(r,e)})})}),{initialScrollTop:o}},i.tup(Ee,se,x),{singleton:!0}),ze=i.system(function(e){var t=e[0].viewportHeight,n=e[1].totalListHeight,r=i.statefulStream(!1);return{alignToBottom:r,paddingTopAddition:i.statefulStreamFromEmitter(i.pipe(i.combineLatest(r,t,n),i.filter(function(e){return e[0]}),i.map(function(e){return Math.max(0,e[1]-e[2])}),i.distinctUntilChanged()),0)}},i.tup(x,Ee),{singleton:!0}),Be=i.system(function(e){var t=e[0],n=t.scrollTo,r=t.scrollContainerState,o=i.stream(),a=i.stream(),s=i.stream(),u=i.statefulStream(!1),c=i.statefulStream(void 0);return i.connect(i.pipe(i.combineLatest(o,a),i.map(function(e){var t=e[0],n=t.viewportHeight,r=t.scrollHeight;return{scrollTop:Math.max(0,t.scrollTop-e[1].offsetTop),scrollHeight:r,viewportHeight:n}})),r),i.connect(i.pipe(n,i.withLatestFrom(a),i.map(function(e){var t=e[0];return l({},t,{top:t.top+e[1].offsetTop})})),s),{useWindowScroll:u,customScrollParent:c,windowScrollContainerState:o,windowViewportRect:a,windowScrollTo:s}},i.tup(x)),Fe=["done","behavior"],Pe=i.system(function(e){var t=e[0],n=t.sizes,r=t.totalCount,o=e[1],a=o.scrollTop,u=o.viewportHeight,c=o.headerHeight,m=o.scrollingInProgress,d=e[2].scrollToIndex,f=i.stream();return i.connect(i.pipe(f,i.withLatestFrom(n,u,r,c,a),i.map(function(e){var t=e[0],n=e[1],r=e[2],o=e[3],a=e[4],u=e[5],c=t.done,d=t.behavior,f=s(t,Fe),p=null,h=$(t,n,o-1),g=J(h,n.offsetTree)+a;return g<u?p=l({},f,{behavior:d,align:"start"}):g+H(n.sizeTree,h)[1]>u+r&&(p=l({},f,{behavior:d,align:"end"})),p?c&&i.handleNext(i.pipe(m,i.skip(1),i.filter(function(e){return!1===e})),c):c&&c(),p}),i.filter(function(e){return null!==e})),d),{scrollIntoView:f}},i.tup(te,x,oe,xe,h),{singleton:!0}),Oe=["listState","topItemsIndexes"],Me=i.system(function(e){return l({},e[0],e[1],e[2],e[3],e[4],e[5],e[6],e[7],e[8])},i.tup(Se,we,se,be,Ee,ke,ze,Be,Pe)),Ve=i.system(function(e){var t=e[0],n=t.totalCount,r=t.sizeRanges,o=t.fixedItemSize,a=t.defaultItemSize,u=t.trackItemSizes,c=t.itemSize,m=t.data,d=t.firstItemIndex,f=t.groupIndices,p=t.statefulTotalCount,h=e[1],g=h.initialTopMostItemIndex,v=h.scrolledToInitialItem,S=e[2],I=e[3],C=e[4],T=C.listState,x=C.topItemsIndexes,w=s(C,Oe),b=e[5].scrollToIndex,y=e[7].topItemCount,E=e[8].groupCounts,L=e[9],H=e[10];return i.connect(w.rangeChanged,L.scrollSeekRangeChanged),i.connect(i.pipe(L.windowViewportRect,i.map(function(e){return e.visibleHeight})),S.viewportHeight),l({totalCount:n,data:m,firstItemIndex:d,sizeRanges:r,initialTopMostItemIndex:g,scrolledToInitialItem:v,topItemsIndexes:x,topItemCount:y,groupCounts:E,fixedItemHeight:o,defaultItemHeight:a},I,{statefulTotalCount:p,listState:T,scrollToIndex:b,trackItemSizes:u,itemSize:c,groupIndices:f},w,L,S,H)},i.tup(te,ue,x,me,xe,oe,Re,ye,fe,Me,h)),Ue=Le(function(){if("undefined"==typeof document)return"sticky";var e=document.createElement("div");return e.style.position="-webkit-sticky","-webkit-sticky"===e.style.position?"-webkit-sticky":"sticky"});function Ae(e,t){var r=n.useRef(null),o=n.useCallback(function(n){if(null!==n&&n.offsetParent){var o,i,a=n.getBoundingClientRect(),l=a.width;if(t){var s=t.getBoundingClientRect(),u=a.top-s.top;o=s.height-Math.max(0,u),i=u+t.scrollTop}else o=window.innerHeight-Math.max(0,a.top),i=a.top+window.pageYOffset;r.current={offsetTop:i,visibleHeight:o,visibleWidth:l},e(r.current)}},[e,t]),i=g(o),a=i.callbackRef,l=i.ref,s=n.useCallback(function(){o(l.current)},[o,l]);return n.useEffect(function(){if(t){t.addEventListener("scroll",s);var e=new ResizeObserver(s);return e.observe(t),function(){t.removeEventListener("scroll",s),e.unobserve(t)}}return window.addEventListener("scroll",s),window.addEventListener("resize",s),function(){window.removeEventListener("scroll",s),window.removeEventListener("resize",s)}},[s,t]),a}var We=["placeholder"],Ne=["style","children"],De=["style","children"];function Ge(e){return e}var je=i.system(function(){var e=i.statefulStream(function(e){return"Item "+e}),t=i.statefulStream(null),n=i.statefulStream(function(e){return"Group "+e}),r=i.statefulStream({}),o=i.statefulStream(Ge),a=i.statefulStream("div"),l=i.statefulStream(i.noop),s=function(e,t){return void 0===t&&(t=null),i.statefulStreamFromEmitter(i.pipe(r,i.map(function(t){return t[e]}),i.distinctUntilChanged()),t)};return{context:t,itemContent:e,groupContent:n,components:r,computeItemKey:o,headerFooterTag:a,scrollerRef:l,FooterComponent:s("Footer"),HeaderComponent:s("Header"),TopItemListComponent:s("TopItemList"),ListComponent:s("List","div"),ItemComponent:s("Item","div"),GroupComponent:s("Group","div"),ScrollerComponent:s("Scroller","div"),EmptyPlaceholder:s("EmptyPlaceholder"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder")}});function _e(e,t){var n=i.stream();return i.subscribe(n,function(){return console.warn("react-virtuoso: You are using a deprecated property. 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Pass components."+t+" instead."),l({},i,((n={})[t]=o,n))})),n.components)}return i.subscribe(r.adjustForPrependedItems,function(){console.warn("react-virtuoso: adjustForPrependedItems is no longer supported. Use the firstItemIndex property instead - https://virtuoso.dev/prepend-items.","color: red;","color: inherit;","color: blue;")}),i.subscribe(r.maxHeightCacheSize,function(){console.warn("react-virtuoso: maxHeightCacheSize is no longer necessary. Setting it has no effect - remove it from your code.")}),i.subscribe(r.HeaderContainer,function(){console.warn("react-virtuoso: HeaderContainer is deprecated. Use headerFooterTag if you want to change the wrapper of the header component and pass components.Header to change its contents.")}),i.subscribe(r.FooterContainer,function(){console.warn("react-virtuoso: FooterContainer is deprecated. Use headerFooterTag if you want to change the wrapper of the footer component and pass components.Footer to change its contents.")}),i.subscribe(r.scrollSeek,function(e){var r=e.placeholder,o=s(e,We);console.warn("react-virtuoso: scrollSeek property is deprecated. 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0!==t&&t,o=dt("listState"),s=mt("sizeRanges"),u=dt("useWindowScroll"),c=dt("customScrollParent"),m=mt("windowScrollContainerState"),d=mt("scrollContainerState"),f=c||u?m:d,p=dt("itemContent"),h=dt("context"),g=dt("groupContent"),v=dt("trackItemSizes"),I=dt("itemSize"),C=dt("log"),T=S(s,I,v,r?i.noop:f,C,c).callbackRef,x=a.useState(0),w=x[0],b=x[1];ft("deviation",function(e){w!==e&&b(e)});var y=dt("EmptyPlaceholder"),E=dt("ScrollSeekPlaceholder")||qe,L=dt("ListComponent"),H=dt("ItemComponent"),R=dt("GroupComponent"),k=dt("computeItemKey"),z=dt("isSeeking"),B=dt("groupIndices").length>0,F=dt("paddingTopAddition"),P=r?{}:{boxSizing:"border-box",paddingTop:o.offsetTop+F,paddingBottom:o.offsetBottom,marginTop:w};return!r&&0===o.totalCount&&y?n.createElement(y,et(y,h)):n.createElement(L,l({},et(L,h),{ref:T,style:P,"data-test-id":r?"virtuoso-top-item-list":"virtuoso-item-list"}),(r?o.topItems:o.items).map(function(e){var t=e.originalIndex,r=k(t+o.firstItemIndex,e.data,h);return z?n.createElement(E,l({},et(E,h),{key:r,index:e.index,height:e.size,type:e.type||"item"},"group"===e.type?{}:{groupIndex:e.groupIndex})):"group"===e.type?n.createElement(R,l({},et(R,h),{key:r,"data-index":t,"data-known-size":e.size,"data-item-index":e.index,style:Ye}),g(e.index)):n.createElement(H,l({},et(H,h),{key:r,"data-index":t,"data-known-size":e.size,"data-item-index":e.index,"data-item-group-index":e.groupIndex,style:Ze}),B?p(e.index,e.groupIndex,e.data,h):p(e.index,e.data,h))}))}),$e={height:"100%",outline:"none",overflowY:"auto",position:"relative",WebkitOverflowScrolling:"touch",willChange:"transform"},Qe={width:"100%",height:"100%",position:"absolute",top:0},Xe={width:"100%",position:Ue(),top:0};function et(e,t){if("string"!=typeof e)return{context:t}}var tt=a.memo(function(){var e=dt("HeaderComponent"),t=mt("headerHeight"),r=dt("headerFooterTag"),o=v(function(e){return t(I(e,"height"))}),i=dt("context");return e?n.createElement(r,{ref:o},n.createElement(e,et(e,i))):null}),nt=a.memo(function(){var e=dt("FooterComponent"),t=mt("footerHeight"),r=dt("headerFooterTag"),o=v(function(e){return t(I(e,"height"))}),i=dt("context");return e?n.createElement(r,{ref:o},n.createElement(e,et(e,i))):null});function rt(e){var t=e.usePublisher,r=e.useEmitter,o=e.useEmitterValue;return a.memo(function(e){var i=e.style,a=e.children,u=s(e,Ne),c=t("scrollContainerState"),m=o("ScrollerComponent"),d=t("smoothScrollTargetReached"),f=o("scrollerRef"),p=o("context"),h=T(c,d,m,f),g=h.scrollerRef,v=h.scrollByCallback;return r("scrollTo",h.scrollToCallback),r("scrollBy",v),n.createElement(m,l({ref:g,style:l({},$e,i),"data-test-id":"virtuoso-scroller","data-virtuoso-scroller":!0,tabIndex:0},u,et(m,p)),a)})}function ot(e){var t=e.usePublisher,r=e.useEmitter,o=e.useEmitterValue;return a.memo(function(e){var a=e.style,u=e.children,c=s(e,De),m=t("windowScrollContainerState"),d=o("ScrollerComponent"),p=t("smoothScrollTargetReached"),h=o("totalListHeight"),g=o("deviation"),v=o("customScrollParent"),S=o("context"),I=T(m,p,d,i.noop,v),C=I.scrollerRef,x=I.scrollByCallback,w=I.scrollToCallback;return f(function(){return C.current=v||window,function(){C.current=null}},[C,v]),r("windowScrollTo",w),r("scrollBy",x),n.createElement(d,l({style:l({position:"relative"},a,0!==h?{height:h+g}:{}),"data-virtuoso-scroller":!0},c,et(d,S)),u)})}var it=function(e){var t=e.children,n=mt("viewportHeight"),r=v(i.compose(n,function(e){return I(e,"height")}));return a.createElement("div",{style:Qe,ref:r,"data-viewport-type":"element"},t)},at=function(e){var t=e.children,n=Ae(mt("windowViewportRect"),dt("customScrollParent"));return a.createElement("div",{ref:n,style:Qe,"data-viewport-type":"window"},t)},lt=function(e){var t=e.children,r=dt("TopItemListComponent"),o=dt("headerHeight"),i=l({},Xe,{marginTop:o+"px"}),a=dt("context");return n.createElement(r||"div",{style:i,context:a},t)},st=a.memo(function(e){var t=dt("useWindowScroll"),n=dt("topItemsIndexes").length>0,r=dt("customScrollParent"),o=r||t?at:it;return a.createElement(r||t?ht:pt,l({},e),a.createElement(o,null,a.createElement(tt,null),a.createElement(Je,null),a.createElement(nt,null)),n&&a.createElement(lt,null,a.createElement(Je,{showTopList:!0})))}),ut=e.systemToComponent(Ke,{required:{},optional:{context:"context",followOutput:"followOutput",firstItemIndex:"firstItemIndex",itemContent:"itemContent",groupContent:"groupContent",overscan:"overscan",increaseViewportBy:"increaseViewportBy",totalCount:"totalCount",topItemCount:"topItemCount",initialTopMostItemIndex:"initialTopMostItemIndex",components:"components",groupCounts:"groupCounts",atBottomThreshold:"atBottomThreshold",atTopThreshold:"atTopThreshold",computeItemKey:"computeItemKey",defaultItemHeight:"defaultItemHeight",fixedItemHeight:"fixedItemHeight",itemSize:"itemSize",scrollSeekConfiguration:"scrollSeekConfiguration",headerFooterTag:"headerFooterTag",data:"data",initialItemCount:"initialItemCount",initialScrollTop:"initialScrollTop",alignToBottom:"alignToBottom",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",logLevel:"logLevel",react18ConcurrentRendering:"react18ConcurrentRendering",item:"item",group:"group",topItems:"topItems",itemHeight:"itemHeight",scrollingStateChange:"scrollingStateChange",maxHeightCacheSize:"maxHeightCacheSize",footer:"footer",header:"header",ItemContainer:"ItemContainer",ScrollContainer:"ScrollContainer",ListContainer:"ListContainer",GroupContainer:"GroupContainer",emptyComponent:"emptyComponent",HeaderContainer:"HeaderContainer",FooterContainer:"FooterContainer",scrollSeek:"scrollSeek"},methods:{scrollToIndex:"scrollToIndex",scrollIntoView:"scrollIntoView",scrollTo:"scrollTo",scrollBy:"scrollBy",adjustForPrependedItems:"adjustForPrependedItems"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange",totalListHeightChanged:"totalListHeightChanged",itemsRendered:"itemsRendered",groupIndices:"groupIndices"}},st),ct=ut.Component,mt=ut.usePublisher,dt=ut.useEmitterValue,ft=ut.useEmitter,pt=rt({usePublisher:mt,useEmitterValue:dt,useEmitter:ft}),ht=ot({usePublisher:mt,useEmitterValue:dt,useEmitter:ft}),gt={items:[],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},vt={items:[{index:0}],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},St=Math.round,It=Math.ceil,Ct=Math.floor,Tt=Math.min,xt=Math.max;function wt(e,t){return Array.from({length:t-e+1}).map(function(t,n){return{index:n+e}})}var bt=i.system(function(e){var t=e[0],n=t.overscan,r=t.visibleRange,o=t.listBoundary,a=e[1],s=a.scrollTop,u=a.viewportHeight,c=a.scrollBy,m=a.scrollTo,d=a.smoothScrollTargetReached,f=a.scrollContainerState,p=e[2],h=e[3],g=e[4],v=g.propsReady,S=g.didMount,I=e[5],C=I.windowViewportRect,T=I.windowScrollTo,x=I.useWindowScroll,w=I.customScrollParent,b=I.windowScrollContainerState,y=i.statefulStream(0),E=i.statefulStream(0),L=i.statefulStream(gt),H=i.statefulStream({height:0,width:0}),R=i.statefulStream({height:0,width:0}),k=i.stream(),z=i.stream(),B=i.statefulStream(0);i.connect(i.pipe(S,i.withLatestFrom(E),i.filter(function(e){return 0!==e[1]}),i.map(function(e){return{items:wt(0,e[1]-1),top:0,bottom:0,offsetBottom:0,offsetTop:0,itemHeight:0,itemWidth:0}})),L),i.connect(i.pipe(i.combineLatest(i.duc(y),r,i.duc(R,function(e,t){return e&&e.width===t.width&&e.height===t.height})),i.withLatestFrom(H),i.map(function(e){var t=e[0],n=t[0],r=t[1],o=r[0],i=r[1],a=t[2],l=e[1],s=a.height,u=a.width,c=l.width;if(0===n||0===c)return gt;if(0===u)return vt;var m=Lt(c,u),d=m*Ct(o/s),f=m*It(i/s)-1;f=xt(0,Tt(n-1,f));var p=wt(d=Tt(f,xt(0,d)),f),h=yt(l,a,p),g=h.top,v=h.bottom;return{items:p,offsetTop:g,offsetBottom:It(n/m)*s-v,top:g,bottom:v,itemHeight:s,itemWidth:u}})),L),i.connect(i.pipe(H,i.map(function(e){return e.height})),u),i.connect(i.pipe(i.combineLatest(H,R,L),i.map(function(e){var t=yt(e[0],e[1],e[2].items);return[t.top,t.bottom]}),i.distinctUntilChanged(pe)),o);var F=i.streamFromEmitter(i.pipe(i.duc(L),i.filter(function(e){return e.items.length>0}),i.withLatestFrom(y),i.filter(function(e){var t=e[0].items;return t[t.length-1].index===e[1]-1}),i.map(function(e){return e[1]-1}),i.distinctUntilChanged())),P=i.streamFromEmitter(i.pipe(i.duc(L),i.filter(function(e){var t=e.items;return t.length>0&&0===t[0].index}),i.mapTo(0),i.distinctUntilChanged())),O=i.streamFromEmitter(i.pipe(i.duc(L),i.filter(function(e){return e.items.length>0}),i.map(function(e){var t=e.items;return{startIndex:t[0].index,endIndex:t[t.length-1].index}}),i.distinctUntilChanged(he)));i.connect(O,h.scrollSeekRangeChanged),i.connect(i.pipe(k,i.withLatestFrom(H,R,y),i.map(function(e){var t=e[1],n=e[2],r=e[3],o=re(e[0]),i=o.align,a=o.behavior,l=o.offset,s=o.index;"LAST"===s&&(s=r-1);var u=Et(t,n,s=xt(0,s,Tt(r-1,s)));return"end"===i?u=St(u-t.height+n.height):"center"===i&&(u=St(u-t.height/2+n.height/2)),l&&(u+=l),{top:u,behavior:a}})),m);var M=i.statefulStreamFromEmitter(i.pipe(L,i.map(function(e){return e.offsetBottom+e.bottom})),0);return i.connect(i.pipe(C,i.map(function(e){return{width:e.visibleWidth,height:e.visibleHeight}})),H),l({totalCount:y,viewportDimensions:H,itemDimensions:R,scrollTop:s,scrollHeight:z,overscan:n,scrollBy:c,scrollTo:m,scrollToIndex:k,smoothScrollTargetReached:d,windowViewportRect:C,windowScrollTo:T,useWindowScroll:x,customScrollParent:w,windowScrollContainerState:b,deviation:B,scrollContainerState:f,initialItemCount:E},h,{gridState:L,totalListHeight:M},p,{startReached:P,endReached:F,rangeChanged:O,propsReady:v})},i.tup(Se,x,le,be,se,Be));function yt(e,t,n){var r=t.height;return void 0===r||0===n.length?{top:0,bottom:0}:{top:Et(e,t,n[0].index),bottom:Et(e,t,n[n.length-1].index)+r}}function Et(e,t,n){var r=Lt(e.width,t.width);return Ct(n/r)*t.height}function Lt(e,t){return xt(1,Ct(e/t))}var Ht=["placeholder"],Rt=i.system(function(){var e=i.statefulStream(function(e){return"Item 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wt(e,t){return Array.from({length:t-e+1}).map(function(t,n){return{index:n+e}})}var bt=i.system(function(e){var t=e[0],n=t.overscan,r=t.visibleRange,o=t.listBoundary,a=e[1],s=a.scrollTop,u=a.viewportHeight,c=a.scrollBy,m=a.scrollTo,d=a.smoothScrollTargetReached,f=a.scrollContainerState,p=e[2],h=e[3],g=e[4],v=g.propsReady,S=g.didMount,I=e[5],C=I.windowViewportRect,x=I.windowScrollTo,T=I.useWindowScroll,w=I.customScrollParent,b=I.windowScrollContainerState,y=e[6],E=i.statefulStream(0),L=i.statefulStream(0),H=i.statefulStream(gt),R=i.statefulStream({height:0,width:0}),k=i.statefulStream({height:0,width:0}),z=i.stream(),B=i.stream(),F=i.statefulStream(0),P=i.statefulStream({row:0,column:0});i.connect(i.pipe(S,i.withLatestFrom(L),i.filter(function(e){return 0!==e[1]}),i.map(function(e){return{items:wt(0,e[1]-1),top:0,bottom:0,offsetBottom:0,offsetTop:0,itemHeight:0,itemWidth:0}})),H),i.connect(i.pipe(i.combineLatest(i.duc(E),r,i.duc(P),i.duc(k,function(e,t){return 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n.createElement(c,l({ref:g,className:t},et(c,d),{style:{paddingTop:e.offsetTop,paddingBottom:e.offsetBottom}}),e.items.map(function(t){var s=i(t.index);return a?n.createElement(m,l({key:s},et(m,d),{index:t.index,height:e.itemHeight,width:e.itemWidth})):n.createElement(u,l({},et(u,d),{className:r,"data-index":t.index,key:s}),o(t.index,d))}))}),Bt=function(e){var t=e.children,n=Vt("viewportDimensions"),r=v(function(e){n(e.getBoundingClientRect())});return a.createElement("div",{style:Qe,ref:r},t)},Ft=function(e){var t=e.children,n=Ae(Vt("windowViewportRect"),Ut("customScrollParent"));return a.createElement("div",{ref:n,style:Qe},t)},Pt=a.memo(function(e){var t=l({},e),n=Ut("useWindowScroll"),r=Ut("customScrollParent"),o=r||n?Ft:Bt;return a.createElement(r||n?Nt:Wt,l({},t),a.createElement(o,null,a.createElement(zt,null)))}),Ot=e.systemToComponent(kt,{optional:{totalCount:"totalCount",overscan:"overscan",itemContent:"itemContent",components:"components",computeItemKey:"computeItemKey",initialItemCount:"initialItemCount",scrollSeekConfiguration:"scrollSeekConfiguration",listClassName:"listClassName",itemClassName:"itemClassName",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",item:"item",ItemContainer:"ItemContainer",ScrollContainer:"ScrollContainer",ListContainer:"ListContainer",scrollSeek:"scrollSeek"},methods:{scrollTo:"scrollTo",scrollBy:"scrollBy",scrollToIndex:"scrollToIndex"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange"}},Pt),Mt=Ot.Component,Vt=Ot.usePublisher,Ut=Ot.useEmitterValue,At=Ot.useEmitter,Wt=rt({usePublisher:Vt,useEmitterValue:Ut,useEmitter:At}),Nt=ot({usePublisher:Vt,useEmitterValue:Ut,useEmitter:At});function 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2

dist/index.m.js

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n=t[0],r=t[1],o=t[2],a=t[3],s=t[4],u=t[5],m=t[6],d=t[7],f=it(n),g=f.align,T=f.behavior,w=f.offset,x=a-1,b=X(f,r,x),y=Q(b,r.offsetTree)+u;"end"===g?(y=y-o+k(r.sizeTree,b)[1],b===x&&(y+=m)):"center"===g?y=y-o/2+k(r.sizeTree,b)[1]/2:y-=s,w&&(y+=w);var E=function(t){C(),t?(d("retrying to scroll to",{location:n},p.DEBUG),e.publish(h,n)):d("list did not change, scroll successful",{},p.DEBUG)};if(C(),"smooth"===T){var H=!1;I=e.subscribe(i,function(t){H=H||t}),v=e.handleNext(c,function(){E(H)})}else v=e.handleNext(e.pipe(i,function(t){var e=setTimeout(function(){t(!1)},150);return function(n){n&&(t(!0),clearTimeout(e))}}),E);return S=setTimeout(function(){C()},1200),e.publish(l,!0),d("scrolling from index to",{index:b,top:y,behavior:T},p.DEBUG),{top:y,behavior:T}})),u),{scrollToIndex:h,topListHeight:g}},e.tup(rt,b,v),{singleton:!0}),lt="up",st={atBottom:!1,notAtBottomBecause:"NOT_SHOWING_LAST_ITEM",state:{offsetBottom:0,scrollTop:0,viewportHeight:0,scrollHeight:0}},ut=e.system(function(t){var 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n=t[0].log,r=e.statefulStream(!1),o=e.streamFromEmitter(e.pipe(r,e.filter(function(t){return t}),e.distinctUntilChanged()));return e.subscribe(r,function(t){t&&e.getValue(n)("props updated",{},p.DEBUG)}),{propsReady:r,didMount:o}},e.tup(v),{singleton:!0}),mt=e.system(function(t){var n=t[0],r=n.sizes,o=n.listRefresh,i=n.defaultItemSize,a=t[1].scrollTop,l=t[2].scrollToIndex,s=t[3].didMount,u=e.statefulStream(!0),c=e.statefulStream(0);return e.connect(e.pipe(s,e.withLatestFrom(c),e.filter(function(t){return!!t[1]}),e.mapTo(!1)),u),e.subscribe(e.pipe(e.combineLatest(o,s),e.withLatestFrom(u,r,i),e.filter(function(t){var e=t[1],n=t[3];return t[0][1]&&(!H(t[2].sizeTree)||void 0!==n)&&!e}),e.withLatestFrom(c)),function(t){var n=t[1];setTimeout(function(){e.handleNext(a,function(){e.publish(u,!0)}),e.publish(l,n)})}),{scrolledToInitialItem:u,initialTopMostItemIndex:c}},e.tup(rt,b,at,ct),{singleton:!0});function dt(t){return!!t&&("smooth"===t?"smooth":"auto")}var ft=e.system(function(t){var 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n=t[0],r=t[1];t[2]&&kt()?e.publish(i,r-n):I(-n)}),e.subscribe(e.pipe(e.combineLatest(e.statefulStreamFromEmitter(s,!1),i,v),e.filter(function(t){return!t[0]&&!t[2]&&0!==t[1]}),e.map(function(t){return t[1]}),e.throttleTime(1)),I),e.connect(e.pipe(f,e.map(function(t){return{top:-t}})),r),e.subscribe(e.pipe(d,e.withLatestFrom(h),e.map(function(t){return t[0]*t[1].lastSize})),function(t){e.publish(i,t),requestAnimationFrame(function(){e.publish(r,{top:t}),requestAnimationFrame(function(){e.publish(i,0),e.publish(v,!1)})})}),{deviation:i}},e.tup(b,ut,bt,rt,v,j)),Bt=e.system(function(t){var n=t[0].totalListHeight,r=t[1].didMount,o=t[2].scrollTo,i=e.statefulStream(0);return e.subscribe(e.pipe(r,e.withLatestFrom(i),e.filter(function(t){return 0!==t[1]}),e.map(function(t){return{top:t[1]}})),function(t){e.handleNext(e.pipe(n,e.filter(function(t){return 0!==t})),function(){setTimeout(function(){e.publish(o,t)})})}),{initialScrollTop:i}},e.tup(Rt,ct,b),{singleton:!0}),Ft=e.system(function(t){var n=t[0].viewportHeight,r=t[1].totalListHeight,o=e.statefulStream(!1);return{alignToBottom:o,paddingTopAddition:e.statefulStreamFromEmitter(e.pipe(e.combineLatest(o,n,r),e.filter(function(t){return t[0]}),e.map(function(t){return Math.max(0,t[1]-t[2])}),e.distinctUntilChanged()),0)}},e.tup(b,Rt),{singleton:!0}),Pt=e.system(function(t){var n=t[0],r=n.scrollTo,o=n.scrollContainerState,i=e.stream(),a=e.stream(),l=e.stream(),s=e.statefulStream(!1),c=e.statefulStream(void 0);return e.connect(e.pipe(e.combineLatest(i,a),e.map(function(t){var e=t[0],n=e.viewportHeight,r=e.scrollHeight;return{scrollTop:Math.max(0,e.scrollTop-t[1].offsetTop),scrollHeight:r,viewportHeight:n}})),o),e.connect(e.pipe(r,e.withLatestFrom(a),e.map(function(t){var e=t[0];return u({},e,{top:e.top+t[1].offsetTop})})),l),{useWindowScroll:s,customScrollParent:c,windowScrollContainerState:i,windowViewportRect:a,windowScrollTo:l}},e.tup(b)),Ot=["done","behavior"],Mt=e.system(function(t){var n=t[0],r=n.sizes,o=n.totalCount,i=t[1],a=i.scrollTop,l=i.viewportHeight,s=i.headerHeight,m=i.scrollingInProgress,d=t[2].scrollToIndex,f=e.stream();return e.connect(e.pipe(f,e.withLatestFrom(r,l,o,s,a),e.map(function(t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],l=t[5],s=n.done,d=n.behavior,f=c(n,Ot),p=null,h=X(n,r,i-1),g=Q(h,r.offsetTree)+a;return g<l?p=u({},f,{behavior:d,align:"start"}):g+k(r.sizeTree,h)[1]>l+o&&(p=u({},f,{behavior:d,align:"end"})),p?s&&e.handleNext(e.pipe(m,e.skip(1),e.filter(function(t){return!1===t})),s):s&&s(),p}),e.filter(function(t){return null!==t})),d),{scrollIntoView:f}},e.tup(rt,b,at,bt,v),{singleton:!0}),Vt=["listState","topItemsIndexes"],Ut=e.system(function(t){return u({},t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])},e.tup(Ct,yt,ct,Et,Rt,Bt,Ft,Pt,Mt)),At=e.system(function(t){var n=t[0],r=n.totalCount,o=n.sizeRanges,i=n.fixedItemSize,a=n.defaultItemSize,l=n.trackItemSizes,s=n.itemSize,m=n.data,d=n.firstItemIndex,f=n.groupIndices,p=n.statefulTotalCount,h=t[1],g=h.initialTopMostItemIndex,v=h.scrolledToInitialItem,S=t[2],I=t[3],C=t[4],T=C.listState,w=C.topItemsIndexes,x=c(C,Vt),b=t[5].scrollToIndex,y=t[7].topItemCount,E=t[8].groupCounts,H=t[9],R=t[10];return e.connect(x.rangeChanged,H.scrollSeekRangeChanged),e.connect(e.pipe(H.windowViewportRect,e.map(function(t){return t.visibleHeight})),S.viewportHeight),u({totalCount:r,data:m,firstItemIndex:d,sizeRanges:o,initialTopMostItemIndex:g,scrolledToInitialItem:v,topItemsIndexes:w,topItemCount:y,groupCounts:E,fixedItemHeight:i,defaultItemHeight:a},I,{statefulTotalCount:p,listState:T,scrollToIndex:b,trackItemSizes:l,itemSize:s,groupIndices:f},x,H,S,R)},e.tup(rt,mt,b,ft,bt,at,zt,Ht,ht,Ut,v)),Wt=Lt(function(){if("undefined"==typeof document)return"sticky";var t=document.createElement("div");return t.style.position="-webkit-sticky","-webkit-sticky"===t.style.position?"-webkit-sticky":"sticky"});function Nt(t,e){var n=i(null),r=a(function(r){if(null!==r&&r.offsetParent){var o,i,a=r.getBoundingClientRect(),l=a.width;if(e){var s=e.getBoundingClientRect(),u=a.top-s.top;o=s.height-Math.max(0,u),i=u+e.scrollTop}else o=window.innerHeight-Math.max(0,a.top),i=a.top+window.pageYOffset;n.current={offsetTop:i,visibleHeight:o,visibleWidth:l},t(n.current)}},[t,e]),l=S(r),s=l.callbackRef,u=l.ref,c=a(function(){r(u.current)},[r,u]);return o(function(){if(e){e.addEventListener("scroll",c);var t=new ResizeObserver(c);return t.observe(e),function(){e.removeEventListener("scroll",c),t.unobserve(e)}}return window.addEventListener("scroll",c),window.addEventListener("resize",c),function(){window.removeEventListener("scroll",c),window.removeEventListener("resize",c)}},[c,e]),s}var Dt=["placeholder"],Gt=["style","children"],_t=["style","children"];function jt(t){return t}var Kt=e.system(function(){var t=e.statefulStream(function(t){return"Item "+t}),n=e.statefulStream(null),r=e.statefulStream(function(t){return"Group "+t}),o=e.statefulStream({}),i=e.statefulStream(jt),a=e.statefulStream("div"),l=e.statefulStream(e.noop),s=function(t,n){return void 0===n&&(n=null),e.statefulStreamFromEmitter(e.pipe(o,e.map(function(e){return e[t]}),e.distinctUntilChanged()),n)};return{context:n,itemContent:t,groupContent:r,components:o,computeItemKey:i,headerFooterTag:a,scrollerRef:l,FooterComponent:s("Footer"),HeaderComponent:s("Header"),TopItemListComponent:s("TopItemList"),ListComponent:s("List","div"),ItemComponent:s("Item","div"),GroupComponent:s("Group","div"),ScrollerComponent:s("Scroller","div"),EmptyPlaceholder:s("EmptyPlaceholder"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder")}});function Yt(t,n){var r=e.stream();return e.subscribe(r,function(){return console.warn("react-virtuoso: You are using a deprecated property. 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Pass components."+n+" instead."),u({},i,((e={})[n]=r,e))})),r.components)}return e.subscribe(o.adjustForPrependedItems,function(){console.warn("react-virtuoso: adjustForPrependedItems is no longer supported. Use the firstItemIndex property instead - https://virtuoso.dev/prepend-items.","color: red;","color: inherit;","color: blue;")}),e.subscribe(o.maxHeightCacheSize,function(){console.warn("react-virtuoso: maxHeightCacheSize is no longer necessary. Setting it has no effect - remove it from your code.")}),e.subscribe(o.HeaderContainer,function(){console.warn("react-virtuoso: HeaderContainer is deprecated. Use headerFooterTag if you want to change the wrapper of the header component and pass components.Header to change its contents.")}),e.subscribe(o.FooterContainer,function(){console.warn("react-virtuoso: FooterContainer is deprecated. Use headerFooterTag if you want to change the wrapper of the footer component and pass components.Footer to change its contents.")}),e.subscribe(o.scrollSeek,function(t){var o=t.placeholder,i=c(t,Dt);console.warn("react-virtuoso: scrollSeek property is deprecated. Pass scrollSeekConfiguration and specify the placeholder in components.ScrollSeekPlaceholder instead."),e.publish(r.components,u({},e.getValue(r.components),{ScrollSeekPlaceholder:o})),e.publish(n.scrollSeekConfiguration,i)}),i(o.footer,"Footer","footer"),i(o.header,"Header","header"),i(o.ItemContainer,"Item","ItemContainer"),i(o.ListContainer,"List","ListContainer"),i(o.ScrollContainer,"Scroller","ScrollContainer"),i(o.emptyComponent,"EmptyPlaceholder","emptyComponent"),i(o.GroupContainer,"Group","GroupContainer"),u({},n,r,o)},e.tup(At,Kt)),Zt=function(t){return n.createElement("div",{style:{height:t.height}})},Jt={position:Wt(),zIndex:1,overflowAnchor:"none"},$t={overflowAnchor:"none"},Qt=n.memo(function(t){var r=t.showTopList,o=void 0!==r&&r,i=fe("listState"),a=de("sizeRanges"),s=fe("useWindowScroll"),c=fe("customScrollParent"),m=de("windowScrollContainerState"),d=de("scrollContainerState"),f=c||s?m:d,p=fe("itemContent"),h=fe("context"),g=fe("groupContent"),v=fe("trackItemSizes"),S=fe("itemSize"),I=fe("log"),T=C(a,S,v,o?e.noop:f,I,c).callbackRef,w=n.useState(0),x=w[0],b=w[1];pe("deviation",function(t){x!==t&&b(t)});var y=fe("EmptyPlaceholder"),E=fe("ScrollSeekPlaceholder")||Zt,H=fe("ListComponent"),R=fe("ItemComponent"),L=fe("GroupComponent"),k=fe("computeItemKey"),z=fe("isSeeking"),B=fe("groupIndices").length>0,F=fe("paddingTopAddition"),P=o?{}:{boxSizing:"border-box",paddingTop:i.offsetTop+F,paddingBottom:i.offsetBottom,marginTop:x};return!o&&0===i.totalCount&&y?l(y,ne(y,h)):l(H,u({},ne(H,h),{ref:T,style:P,"data-test-id":o?"virtuoso-top-item-list":"virtuoso-item-list"}),(o?i.topItems:i.items).map(function(t){var e=t.originalIndex,n=k(e+i.firstItemIndex,t.data,h);return z?l(E,u({},ne(E,h),{key:n,index:t.index,height:t.size,type:t.type||"item"},"group"===t.type?{}:{groupIndex:t.groupIndex})):"group"===t.type?l(L,u({},ne(L,h),{key:n,"data-index":e,"data-known-size":t.size,"data-item-index":t.index,style:Jt}),g(t.index)):l(R,u({},ne(R,h),{key:n,"data-index":e,"data-known-size":t.size,"data-item-index":t.index,"data-item-group-index":t.groupIndex,style:$t}),B?p(t.index,t.groupIndex,t.data,h):p(t.index,t.data,h))}))}),Xt={height:"100%",outline:"none",overflowY:"auto",position:"relative",WebkitOverflowScrolling:"touch",willChange:"transform"},te={width:"100%",height:"100%",position:"absolute",top:0},ee={width:"100%",position:Wt(),top:0};function ne(t,e){if("string"!=typeof t)return{context:e}}var re=n.memo(function(){var t=fe("HeaderComponent"),e=de("headerHeight"),n=fe("headerFooterTag"),r=I(function(t){return e(T(t,"height"))}),o=fe("context");return t?l(n,{ref:r},l(t,ne(t,o))):null}),oe=n.memo(function(){var t=fe("FooterComponent"),e=de("footerHeight"),n=fe("headerFooterTag"),r=I(function(t){return e(T(t,"height"))}),o=fe("context");return t?l(n,{ref:r},l(t,ne(t,o))):null});function ie(t){var e=t.usePublisher,r=t.useEmitter,o=t.useEmitterValue;return n.memo(function(t){var n=t.style,i=t.children,a=c(t,Gt),s=e("scrollContainerState"),m=o("ScrollerComponent"),d=e("smoothScrollTargetReached"),f=o("scrollerRef"),p=o("context"),h=x(s,d,m,f),g=h.scrollerRef,v=h.scrollByCallback;return r("scrollTo",h.scrollToCallback),r("scrollBy",v),l(m,u({ref:g,style:u({},Xt,n),"data-test-id":"virtuoso-scroller","data-virtuoso-scroller":!0,tabIndex:0},a,ne(m,p)),i)})}function ae(t){var r=t.usePublisher,o=t.useEmitter,i=t.useEmitterValue;return n.memo(function(t){var n=t.style,a=t.children,s=c(t,_t),m=r("windowScrollContainerState"),d=i("ScrollerComponent"),f=r("smoothScrollTargetReached"),p=i("totalListHeight"),g=i("deviation"),v=i("customScrollParent"),S=i("context"),I=x(m,f,d,e.noop,v),C=I.scrollerRef,T=I.scrollByCallback,w=I.scrollToCallback;return h(function(){return C.current=v||window,function(){C.current=null}},[C,v]),o("windowScrollTo",w),o("scrollBy",T),l(d,u({style:u({position:"relative"},n,0!==p?{height:p+g}:{}),"data-virtuoso-scroller":!0},s,ne(d,S)),a)})}var le=function(t){var r=t.children,o=de("viewportHeight"),i=I(e.compose(o,function(t){return T(t,"height")}));return n.createElement("div",{style:te,ref:i,"data-viewport-type":"element"},r)},se=function(t){var e=t.children,r=Nt(de("windowViewportRect"),fe("customScrollParent"));return n.createElement("div",{ref:r,style:te,"data-viewport-type":"window"},e)},ue=function(t){var e=t.children,n=fe("TopItemListComponent"),r=fe("headerHeight"),o=u({},ee,{marginTop:r+"px"}),i=fe("context");return l(n||"div",{style:o,context:i},e)},ce=t(qt,{required:{},optional:{context:"context",followOutput:"followOutput",firstItemIndex:"firstItemIndex",itemContent:"itemContent",groupContent:"groupContent",overscan:"overscan",increaseViewportBy:"increaseViewportBy",totalCount:"totalCount",topItemCount:"topItemCount",initialTopMostItemIndex:"initialTopMostItemIndex",components:"components",groupCounts:"groupCounts",atBottomThreshold:"atBottomThreshold",atTopThreshold:"atTopThreshold",computeItemKey:"computeItemKey",defaultItemHeight:"defaultItemHeight",fixedItemHeight:"fixedItemHeight",itemSize:"itemSize",scrollSeekConfiguration:"scrollSeekConfiguration",headerFooterTag:"headerFooterTag",data:"data",initialItemCount:"initialItemCount",initialScrollTop:"initialScrollTop",alignToBottom:"alignToBottom",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",logLevel:"logLevel",react18ConcurrentRendering:"react18ConcurrentRendering",item:"item",group:"group",topItems:"topItems",itemHeight:"itemHeight",scrollingStateChange:"scrollingStateChange",maxHeightCacheSize:"maxHeightCacheSize",footer:"footer",header:"header",ItemContainer:"ItemContainer",ScrollContainer:"ScrollContainer",ListContainer:"ListContainer",GroupContainer:"GroupContainer",emptyComponent:"emptyComponent",HeaderContainer:"HeaderContainer",FooterContainer:"FooterContainer",scrollSeek:"scrollSeek"},methods:{scrollToIndex:"scrollToIndex",scrollIntoView:"scrollIntoView",scrollTo:"scrollTo",scrollBy:"scrollBy",adjustForPrependedItems:"adjustForPrependedItems"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange",totalListHeightChanged:"totalListHeightChanged",itemsRendered:"itemsRendered",groupIndices:"groupIndices"}},n.memo(function(t){var e=fe("useWindowScroll"),r=fe("topItemsIndexes").length>0,o=fe("customScrollParent"),i=o||e?se:le;return n.createElement(o||e?ge:he,u({},t),n.createElement(i,null,n.createElement(re,null),n.createElement(Qt,null),n.createElement(oe,null)),r&&n.createElement(ue,null,n.createElement(Qt,{showTopList:!0})))})),me=ce.Component,de=ce.usePublisher,fe=ce.useEmitterValue,pe=ce.useEmitter,he=ie({usePublisher:de,useEmitterValue:fe,useEmitter:pe}),ge=ae({usePublisher:de,useEmitterValue:fe,useEmitter:pe}),ve={items:[],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},Se={items:[{index:0}],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},Ie=Math.round,Ce=Math.ceil,Te=Math.floor,we=Math.min,xe=Math.max;function be(t,e){return Array.from({length:e-t+1}).map(function(e,n){return{index:n+t}})}var ye=e.system(function(t){var n=t[0],r=n.overscan,o=n.visibleRange,i=n.listBoundary,a=t[1],l=a.scrollTop,s=a.viewportHeight,c=a.scrollBy,m=a.scrollTo,d=a.smoothScrollTargetReached,f=a.scrollContainerState,p=t[2],h=t[3],g=t[4],v=g.propsReady,S=g.didMount,I=t[5],C=I.windowViewportRect,T=I.windowScrollTo,w=I.useWindowScroll,x=I.customScrollParent,b=I.windowScrollContainerState,y=e.statefulStream(0),E=e.statefulStream(0),H=e.statefulStream(ve),R=e.statefulStream({height:0,width:0}),L=e.statefulStream({height:0,width:0}),k=e.stream(),z=e.stream(),B=e.statefulStream(0);e.connect(e.pipe(S,e.withLatestFrom(E),e.filter(function(t){return 0!==t[1]}),e.map(function(t){return{items:be(0,t[1]-1),top:0,bottom:0,offsetBottom:0,offsetTop:0,itemHeight:0,itemWidth:0}})),H),e.connect(e.pipe(e.combineLatest(e.duc(y),o,e.duc(L,function(t,e){return t&&t.width===e.width&&t.height===e.height})),e.withLatestFrom(R),e.map(function(t){var e=t[0],n=e[0],r=e[1],o=r[0],i=r[1],a=e[2],l=t[1],s=a.height,u=a.width,c=l.width;if(0===n||0===c)return ve;if(0===u)return Se;var m=Re(c,u),d=m*Te(o/s),f=m*Ce(i/s)-1;f=xe(0,we(n-1,f));var p=be(d=we(f,xe(0,d)),f),h=Ee(l,a,p),g=h.top,v=h.bottom;return{items:p,offsetTop:g,offsetBottom:Ce(n/m)*s-v,top:g,bottom:v,itemHeight:s,itemWidth:u}})),H),e.connect(e.pipe(R,e.map(function(t){return t.height})),s),e.connect(e.pipe(e.combineLatest(R,L,H),e.map(function(t){var e=Ee(t[0],t[1],t[2].items);return[e.top,e.bottom]}),e.distinctUntilChanged(gt)),i);var F=e.streamFromEmitter(e.pipe(e.duc(H),e.filter(function(t){return t.items.length>0}),e.withLatestFrom(y),e.filter(function(t){var e=t[0].items;return e[e.length-1].index===t[1]-1}),e.map(function(t){return t[1]-1}),e.distinctUntilChanged())),P=e.streamFromEmitter(e.pipe(e.duc(H),e.filter(function(t){var e=t.items;return e.length>0&&0===e[0].index}),e.mapTo(0),e.distinctUntilChanged())),O=e.streamFromEmitter(e.pipe(e.duc(H),e.filter(function(t){return t.items.length>0}),e.map(function(t){var e=t.items;return{startIndex:e[0].index,endIndex:e[e.length-1].index}}),e.distinctUntilChanged(vt)));e.connect(O,h.scrollSeekRangeChanged),e.connect(e.pipe(k,e.withLatestFrom(R,L,y),e.map(function(t){var e=t[1],n=t[2],r=t[3],o=it(t[0]),i=o.align,a=o.behavior,l=o.offset,s=o.index;"LAST"===s&&(s=r-1);var u=He(e,n,s=xe(0,s,we(r-1,s)));return"end"===i?u=Ie(u-e.height+n.height):"center"===i&&(u=Ie(u-e.height/2+n.height/2)),l&&(u+=l),{top:u,behavior:a}})),m);var M=e.statefulStreamFromEmitter(e.pipe(H,e.map(function(t){return t.offsetBottom+t.bottom})),0);return e.connect(e.pipe(C,e.map(function(t){return{width:t.visibleWidth,height:t.visibleHeight}})),R),u({totalCount:y,viewportDimensions:R,itemDimensions:L,scrollTop:l,scrollHeight:z,overscan:r,scrollBy:c,scrollTo:m,scrollToIndex:k,smoothScrollTargetReached:d,windowViewportRect:C,windowScrollTo:T,useWindowScroll:w,customScrollParent:x,windowScrollContainerState:b,deviation:B,scrollContainerState:f,initialItemCount:E},h,{gridState:H,totalListHeight:M},p,{startReached:P,endReached:F,rangeChanged:O,propsReady:v})},e.tup(Ct,b,ut,Et,ct,Pt));function Ee(t,e,n){var r=e.height;return void 0===r||0===n.length?{top:0,bottom:0}:{top:He(t,e,n[0].index),bottom:He(t,e,n[n.length-1].index)+r}}function He(t,e,n){var r=Re(t.width,e.width);return Te(n/r)*e.height}function Re(t,e){return xe(1,Te(t/e))}var Le=["placeholder"],ke=e.system(function(){var t=e.statefulStream(function(t){return"Item "+t}),n=e.statefulStream({}),r=e.statefulStream(null),o=e.statefulStream("virtuoso-grid-item"),i=e.statefulStream("virtuoso-grid-list"),a=e.statefulStream(jt),l=e.statefulStream(e.noop),s=function(t,r){return void 0===r&&(r=null),e.statefulStreamFromEmitter(e.pipe(n,e.map(function(e){return e[t]}),e.distinctUntilChanged()),r)};return{context:r,itemContent:t,components:n,computeItemKey:a,itemClassName:o,listClassName:i,scrollerRef:l,ListComponent:s("List","div"),ItemComponent:s("Item","div"),ScrollerComponent:s("Scroller","div"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder","div")}}),ze=e.system(function(t){var n=t[0],r=t[1],o={item:Yt(r.itemContent,"Rename the %citem%c prop to %citemContent."),ItemContainer:e.stream(),ScrollContainer:e.stream(),ListContainer:e.stream(),emptyComponent:e.stream(),scrollSeek:e.stream()};function i(t,n,o){e.connect(e.pipe(t,e.withLatestFrom(r.components),e.map(function(t){var e,r=t[0],i=t[1];return console.warn("react-virtuoso: "+o+" property is 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Pass components."+n+" instead."),u({},i,((e={})[n]=r,e))})),r.components)}return e.subscribe(o.scrollSeek,function(t){var o=t.placeholder,i=c(t,Le);console.warn("react-virtuoso: scrollSeek property is deprecated. Pass scrollSeekConfiguration and specify the placeholder in components.ScrollSeekPlaceholder instead."),e.publish(r.components,u({},e.getValue(r.components),{ScrollSeekPlaceholder:o})),e.publish(n.scrollSeekConfiguration,i)}),i(o.ItemContainer,"Item","ItemContainer"),i(o.ListContainer,"List","ListContainer"),i(o.ScrollContainer,"Scroller","ScrollContainer"),u({},n,r,o)},e.tup(ye,ke)),Be=n.memo(function(){var t=Ue("gridState"),e=Ue("listClassName"),n=Ue("itemClassName"),r=Ue("itemContent"),o=Ue("computeItemKey"),i=Ue("isSeeking"),a=Ve("scrollHeight"),s=Ue("ItemComponent"),c=Ue("ListComponent"),m=Ue("ScrollSeekPlaceholder"),d=Ue("context"),f=Ve("itemDimensions"),p=I(function(t){a(t.parentElement.parentElement.scrollHeight);var e=t.firstChild;e&&f(e.getBoundingClientRect())});return l(c,u({ref:p,className:e},ne(c,d),{style:{paddingTop:t.offsetTop,paddingBottom:t.offsetBottom}}),t.items.map(function(e){var a=o(e.index);return i?l(m,u({key:a},ne(m,d),{index:e.index,height:t.itemHeight,width:t.itemWidth})):l(s,u({},ne(s,d),{className:n,"data-index":e.index,key:a}),r(e.index,d))}))}),Fe=function(t){var e=t.children,r=Ve("viewportDimensions"),o=I(function(t){r(t.getBoundingClientRect())});return n.createElement("div",{style:te,ref:o},e)},Pe=function(t){var e=t.children,r=Nt(Ve("windowViewportRect"),Ue("customScrollParent"));return n.createElement("div",{ref:r,style:te},e)},Oe=t(ze,{optional:{totalCount:"totalCount",overscan:"overscan",itemContent:"itemContent",components:"components",computeItemKey:"computeItemKey",initialItemCount:"initialItemCount",scrollSeekConfiguration:"scrollSeekConfiguration",listClassName:"listClassName",itemClassName:"itemClassName",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",item:"item",ItemContainer:"ItemContainer",ScrollContainer:"ScrollContainer",ListContainer:"ListContainer",scrollSeek:"scrollSeek"},methods:{scrollTo:"scrollTo",scrollBy:"scrollBy",scrollToIndex:"scrollToIndex"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange"}},n.memo(function(t){var e=u({},t),r=Ue("useWindowScroll"),o=Ue("customScrollParent"),i=o||r?Pe:Fe;return n.createElement(o||r?Ne:We,u({},e),n.createElement(i,null,n.createElement(Be,null)))})),Me=Oe.Component,Ve=Oe.usePublisher,Ue=Oe.useEmitterValue,Ae=Oe.useEmitter,We=ie({usePublisher:Ve,useEmitterValue:Ue,useEmitter:Ae}),Ne=ae({usePublisher:Ve,useEmitterValue:Ue,useEmitter:Ae}),De=e.system(function(){var t=e.statefulStream(function(t){return n.createElement("td",null,"Item $",t)}),r=e.statefulStream(null),o=e.statefulStream(null),i=e.statefulStream({}),a=e.statefulStream(jt),l=e.statefulStream(e.noop),s=function(t,n){return void 0===n&&(n=null),e.statefulStreamFromEmitter(e.pipe(i,e.map(function(e){return e[t]}),e.distinctUntilChanged()),n)};return{context:r,itemContent:t,fixedHeaderContent:o,components:i,computeItemKey:a,scrollerRef:l,TableComponent:s("Table","table"),TableHeadComponent:s("TableHead","thead"),TableBodyComponent:s("TableBody","tbody"),TableRowComponent:s("TableRow","tr"),ScrollerComponent:s("Scroller","div"),EmptyPlaceholder:s("EmptyPlaceholder"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder"),FillerRow:s("FillerRow")}}),Ge=e.system(function(t){return u({},t[0],t[1])},e.tup(At,De)),_e=function(t){return n.createElement("tr",null,n.createElement("td",{style:{height:t.height}}))},je=function(t){return n.createElement("tr",null,n.createElement("td",{style:{height:t.height,padding:0,border:0}}))},Ke=n.memo(function(){var t=Qe("listState"),e=$e("sizeRanges"),r=Qe("useWindowScroll"),o=Qe("customScrollParent"),i=$e("windowScrollContainerState"),a=$e("scrollContainerState"),s=o||r?i:a,c=Qe("itemContent"),m=Qe("trackItemSizes"),d=C(e,Qe("itemSize"),m,s,Qe("log"),o),f=d.callbackRef,p=d.ref,h=n.useState(0),g=h[0],v=h[1];Xe("deviation",function(t){g!==t&&(p.current.style.marginTop=t+"px",v(t))});var S=Qe("EmptyPlaceholder"),I=Qe("ScrollSeekPlaceholder")||_e,T=Qe("FillerRow")||je,w=Qe("TableBodyComponent"),x=Qe("TableRowComponent"),b=Qe("computeItemKey"),y=Qe("isSeeking"),E=Qe("paddingTopAddition"),H=Qe("firstItemIndex"),R=Qe("statefulTotalCount"),L=Qe("context");if(0===R&&S)return l(S,ne(S,L));var k=t.offsetTop+E+g,z=t.offsetBottom,B=k>0?n.createElement(T,{height:k,key:"padding-top"}):null,F=z>0?n.createElement(T,{height:z,key:"padding-bottom"}):null,P=t.items.map(function(t){var e=t.originalIndex,n=b(e+H,t.data,L);return y?l(I,u({},ne(I,L),{key:n,index:t.index,height:t.size,type:t.type||"item"})):l(x,u({},ne(x,L),{key:n,"data-index":e,"data-known-size":t.size,"data-item-index":t.index,style:{overflowAnchor:"none"}}),c(t.index,t.data,L))});return l(w,u({ref:f,"data-test-id":"virtuoso-item-list"},ne(w,L)),[B].concat(P,[F]))}),Ye=function(t){var r=t.children,o=$e("viewportHeight"),i=I(e.compose(o,function(t){return T(t,"height")}));return n.createElement("div",{style:te,ref:i,"data-viewport-type":"element"},r)},qe=function(t){var e=t.children,r=Nt($e("windowViewportRect"),Qe("customScrollParent"));return n.createElement("div",{ref:r,style:te,"data-viewport-type":"window"},e)},Ze=t(Ge,{required:{},optional:{context:"context",followOutput:"followOutput",firstItemIndex:"firstItemIndex",itemContent:"itemContent",fixedHeaderContent:"fixedHeaderContent",overscan:"overscan",increaseViewportBy:"increaseViewportBy",totalCount:"totalCount",topItemCount:"topItemCount",initialTopMostItemIndex:"initialTopMostItemIndex",components:"components",groupCounts:"groupCounts",atBottomThreshold:"atBottomThreshold",atTopThreshold:"atTopThreshold",computeItemKey:"computeItemKey",defaultItemHeight:"defaultItemHeight",fixedItemHeight:"fixedItemHeight",itemSize:"itemSize",scrollSeekConfiguration:"scrollSeekConfiguration",data:"data",initialItemCount:"initialItemCount",initialScrollTop:"initialScrollTop",alignToBottom:"alignToBottom",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",logLevel:"logLevel",react18ConcurrentRendering:"react18ConcurrentRendering"},methods:{scrollToIndex:"scrollToIndex",scrollIntoView:"scrollIntoView",scrollTo:"scrollTo",scrollBy:"scrollBy"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange",totalListHeightChanged:"totalListHeightChanged",itemsRendered:"itemsRendered",groupIndices:"groupIndices"}},n.memo(function(t){var r=Qe("useWindowScroll"),o=Qe("customScrollParent"),i=$e("fixedHeaderHeight"),a=Qe("fixedHeaderContent"),l=Qe("context"),s=I(e.compose(i,function(t){return T(t,"height")})),c=o||r?en:tn,m=o||r?qe:Ye,d=Qe("TableComponent"),f=Qe("TableHeadComponent"),p=a?n.createElement(f,u({key:"TableHead",style:{zIndex:1,position:"sticky",top:0},ref:s},ne(f,l)),a()):null;return n.createElement(c,u({},t),n.createElement(m,null,n.createElement(d,u({style:{borderSpacing:0}},ne(d,l)),[p,n.createElement(Ke,{key:"TableBody"})])))})),Je=Ze.Component,$e=Ze.usePublisher,Qe=Ze.useEmitterValue,Xe=Ze.useEmitter,tn=ie({usePublisher:$e,useEmitterValue:Qe,useEmitter:Xe}),en=ae({usePublisher:$e,useEmitterValue:Qe,useEmitter:Xe}),nn=me,rn=me,on=Je,an=Me;export{rn as GroupedVirtuoso,p as LogLevel,on as TableVirtuoso,nn as Virtuoso,an as VirtuosoGrid};
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I=e.statefulStreamFromEmitter(e.pipe(d,e.map(function(t){return void 0===t})),!0);e.connect(e.pipe(f,e.filter(function(t){return void 0!==t&&H(e.getValue(S).sizeTree)}),e.map(function(t){return[{startIndex:0,endIndex:0,size:t}]})),o);var C=e.streamFromEmitter(e.pipe(o,e.withLatestFrom(S),e.scan(function(t,e){var n=e[1];return{changed:n!==t.sizes,sizes:n}},{changed:!1,sizes:v}),e.map(function(t){return t.changed})));e.subscribe(e.pipe(c,e.scan(function(t,e){return{diff:t.prev-e,prev:e}},{diff:0,prev:0}),e.map(function(t){return t.diff})),function(t){t>0?(e.publish(r,!0),e.publish(l,t)):t<0&&e.publish(s,t)}),e.subscribe(e.pipe(c,e.withLatestFrom(n)),function(t){t[0]<0&&(0,t[1])("`firstItemIndex` prop should not be set to less than zero. 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n=t[0],r=t[1],o=t[2],a=t[3],s=t[4],u=t[5],m=t[6],d=t[7],f=it(n),g=f.align,T=f.behavior,w=f.offset,x=a-1,b=X(f,r,x),y=Q(b,r.offsetTree)+u;"end"===g?(y=y-o+k(r.sizeTree,b)[1],b===x&&(y+=m)):"center"===g?y=y-o/2+k(r.sizeTree,b)[1]/2:y-=s,w&&(y+=w);var E=function(t){C(),t?(d("retrying to scroll to",{location:n},p.DEBUG),e.publish(h,n)):d("list did not change, scroll successful",{},p.DEBUG)};if(C(),"smooth"===T){var H=!1;I=e.subscribe(i,function(t){H=H||t}),v=e.handleNext(c,function(){E(H)})}else v=e.handleNext(e.pipe(i,function(t){var e=setTimeout(function(){t(!1)},150);return function(n){n&&(t(!0),clearTimeout(e))}}),E);return S=setTimeout(function(){C()},1200),e.publish(l,!0),d("scrolling from index to",{index:b,top:y,behavior:T},p.DEBUG),{top:y,behavior:T}})),u),{scrollToIndex:h,topListHeight:g}},e.tup(rt,b,v),{singleton:!0}),lt="up",st={atBottom:!1,notAtBottomBecause:"NOT_SHOWING_LAST_ITEM",state:{offsetBottom:0,scrollTop:0,viewportHeight:0,scrollHeight:0}},ut=e.system(function(t){var n=t[0],r=n.scrollContainerState,o=n.scrollTop,i=n.viewportHeight,a=n.headerHeight,l=n.footerHeight,s=n.scrollBy,u=e.statefulStream(!1),c=e.statefulStream(!0),m=e.stream(),d=e.stream(),f=e.statefulStream(4),p=e.statefulStream(0),h=e.statefulStreamFromEmitter(e.pipe(e.merge(e.pipe(e.duc(o),e.skip(1),e.mapTo(!0)),e.pipe(e.duc(o),e.skip(1),e.mapTo(!1),e.debounceTime(100))),e.distinctUntilChanged()),!1),g=e.statefulStreamFromEmitter(e.pipe(e.merge(e.pipe(s,e.mapTo(!0)),e.pipe(s,e.mapTo(!1),e.debounceTime(200))),e.distinctUntilChanged()),!1);e.connect(e.pipe(e.combineLatest(e.duc(o),e.duc(p)),e.map(function(t){return t[0]<=t[1]}),e.distinctUntilChanged()),c),e.connect(e.pipe(c,e.throttleTime(50)),d);var v=e.streamFromEmitter(e.pipe(e.combineLatest(r,e.duc(i),e.duc(a),e.duc(l),e.duc(f)),e.scan(function(t,e){var n,r,o=e[0],i=o.scrollTop,a=o.scrollHeight,l=e[1],s={viewportHeight:l,scrollTop:i,scrollHeight:a};return i+l-a>-e[4]?(i>t.state.scrollTop?(n="SCROLLED_DOWN",r=t.state.scrollTop-i):(n="SIZE_DECREASED",r=t.state.scrollTop-i||t.scrollTopDelta),{atBottom:!0,state:s,atBottomBecause:n,scrollTopDelta:r}):{atBottom:!1,notAtBottomBecause:s.scrollHeight>t.state.scrollHeight?"SIZE_INCREASED":l<t.state.viewportHeight?"VIEWPORT_HEIGHT_DECREASING":i<t.state.scrollTop?"SCROLLING_UPWARDS":"NOT_FULLY_SCROLLED_TO_LAST_ITEM_BOTTOM",state:s}},st),e.distinctUntilChanged(function(t,e){return t&&t.atBottom===e.atBottom}))),S=e.statefulStreamFromEmitter(e.pipe(r,e.scan(function(t,e){var n=e.scrollTop,r=e.scrollHeight,o=e.viewportHeight;return w(t.scrollHeight,r)?{scrollTop:n,scrollHeight:r,jump:0,changed:!1}:t.scrollTop!==n&&r-(n+o)<1?{scrollHeight:r,scrollTop:n,jump:t.scrollTop-n,changed:!0}:{scrollHeight:r,scrollTop:n,jump:0,changed:!0}},{scrollHeight:0,jump:0,scrollTop:0,changed:!1}),e.filter(function(t){return t.changed}),e.map(function(t){return t.jump})),0);e.connect(e.pipe(v,e.map(function(t){return 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n=t[0].log,r=e.statefulStream(!1),o=e.streamFromEmitter(e.pipe(r,e.filter(function(t){return t}),e.distinctUntilChanged()));return e.subscribe(r,function(t){t&&e.getValue(n)("props updated",{},p.DEBUG)}),{propsReady:r,didMount:o}},e.tup(v),{singleton:!0}),mt=e.system(function(t){var n=t[0],r=n.sizes,o=n.listRefresh,i=n.defaultItemSize,a=t[1].scrollTop,l=t[2].scrollToIndex,s=t[3].didMount,u=e.statefulStream(!0),c=e.statefulStream(0);return e.connect(e.pipe(s,e.withLatestFrom(c),e.filter(function(t){return!!t[1]}),e.mapTo(!1)),u),e.subscribe(e.pipe(e.combineLatest(o,s),e.withLatestFrom(u,r,i),e.filter(function(t){var e=t[1],n=t[3];return t[0][1]&&(!H(t[2].sizeTree)||void 0!==n)&&!e}),e.withLatestFrom(c)),function(t){var n=t[1];setTimeout(function(){e.handleNext(a,function(){e.publish(u,!0)}),e.publish(l,n)})}),{scrolledToInitialItem:u,initialTopMostItemIndex:c}},e.tup(rt,b,at,ct),{singleton:!0});function dt(t){return!!t&&("smooth"===t?"smooth":"auto")}var ft=e.system(function(t){var n=t[0],r=n.totalCount,o=n.listRefresh,i=t[1],a=i.isAtBottom,l=i.atBottomState,s=t[2].scrollToIndex,u=t[3].scrolledToInitialItem,c=t[4],m=c.propsReady,d=c.didMount,f=t[5].log,h=t[6].scrollingInProgress,g=e.statefulStream(!1),v=null;function S(t){e.publish(s,{index:"LAST",align:"end",behavior:t})}return e.subscribe(e.pipe(e.combineLatest(e.pipe(e.duc(r),e.skip(1)),d),e.withLatestFrom(e.duc(g),a,u,h),e.map(function(t){var e=t[0],n=e[0],r=e[1]&&t[3],o="auto";return r&&(o=function(t,e){return"function"==typeof t?dt(t(e)):e&&dt(t)}(t[1],t[2]||t[4]),r=r&&!!o),{totalCount:n,shouldFollow:r,followOutputBehavior:o}}),e.filter(function(t){return t.shouldFollow})),function(t){var n=t.totalCount,r=t.followOutputBehavior;v&&(v(),v=null),v=e.handleNext(o,function(){e.getValue(f)("following output to ",{totalCount:n},p.DEBUG),S(r),v=null})}),e.subscribe(e.pipe(e.combineLatest(e.duc(g),r,m),e.filter(function(t){return t[0]&&t[2]}),e.scan(function(t,e){var 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e=t[0],n=t[1],r=t[2],o=t[3],i=o[0],a=o[1],l=t[4],s=t[6],u=t[7],c=t[8],m=e-u,d=t[5]+s,f=Math.max(r-m,0),p="none",h=It(c,"top"),g=It(c,"bottom");return i-=u,a+=r+s,(i+=r+s)>e+d-h&&(p=lt),(a-=u)<e-f+n+g&&(p="down"),"none"!==p?[Math.max(m-r-St(l,"top",p)-h,0),m-f-s+n+St(l,"bottom",p)+g]:null}),e.filter(function(t){return null!=t}),e.distinctUntilChanged(gt)),[0,0]);return{listBoundary:s,overscan:m,topListHeight:u,increaseViewportBy:c,visibleRange:d}},e.tup(b),{singleton:!0}),Tt={items:[],topItems:[],offsetTop:0,offsetBottom:0,top:0,bottom:0,topListHeight:0,totalCount:0,firstItemIndex:0};function wt(t,e,n){if(0===t.length)return[];if(!et(e))return t.map(function(t){return u({},t,{index:t.index+n,originalIndex:t.index})});for(var r,o=[],i=A(e.groupOffsetTree,t[0].index,t[t.length-1].index),a=void 0,l=0,s=d(t);!(r=s()).done;){var c=r.value;(!a||a.end<c.index)&&(a=i.shift(),l=e.groupIndices.indexOf(a.start)),o.push(u({},c.index===a.start?{type:"group",index:l}:{index:c.index-(l+1)+n,groupIndex:l},{size:c.size,offset:c.offset,originalIndex:c.index,data:c.data}))}return o}function xt(t,e,n,r,o){var i=0,a=0;if(t.length>0){i=t[0].offset;var l=t[t.length-1];a=l.offset+l.size}var s=i,u=r.lastOffset+(n-r.lastIndex)*r.lastSize-a;return{items:wt(t,r,o),topItems:wt(e,r,o),topListHeight:e.reduce(function(t,e){return e.size+t},0),offsetTop:i,offsetBottom:u,top:s,bottom:a,totalCount:n,firstItemIndex:o}}var bt=e.system(function(t){var n=t[0],r=n.sizes,o=n.totalCount,i=n.data,a=n.firstItemIndex,l=t[1],s=t[2],c=s.visibleRange,m=s.listBoundary,f=s.topListHeight,p=t[3],h=p.scrolledToInitialItem,g=p.initialTopMostItemIndex,v=t[4].topListHeight,S=t[5],I=t[6].didMount,C=t[7].recalcInProgress,T=e.statefulStream([]),w=e.stream();e.connect(l.topItemsIndexes,T);var x=e.statefulStreamFromEmitter(e.pipe(e.combineLatest(I,C,e.duc(c,gt),e.duc(o),e.duc(r),e.duc(g),h,e.duc(T),e.duc(a),i),e.filter(function(t){return t[0]&&!t[1]}),e.map(function(t){var n=t[2],r=n[0],o=n[1],i=t[3],a=t[5],l=t[6],s=t[7],u=t[8],c=t[9],m=t[4],f=m.sizeTree,p=m.offsetTree;if(0===i||0===r&&0===o)return Tt;if(H(f))return xt(function(t,e,n){if(et(e)){var r=tt(t,e);return[{index:k(e.groupOffsetTree,r)[0],size:0,offset:0},{index:r,size:0,offset:0,data:n&&n[0]}]}return[{index:t,size:0,offset:0,data:n&&n[0]}]}(function(t,e){return"number"==typeof t?t:"LAST"===t.index?e-1:t.index}(a,i),m,c),[],i,m,u);var h=[];if(s.length>0)for(var g,v=s[0],S=s[s.length-1],I=0,C=d(A(f,v,S));!(g=C()).done;)for(var T=g.value,w=T.value,x=Math.max(T.start,v),b=Math.min(T.end,S),y=x;y<=b;y++)h.push({index:y,size:w,offset:I,data:c&&c[y]}),I+=w;if(!l)return xt([],h,i,m,u);var E=s.length>0?s[s.length-1]+1:0,R=function(t,e,n,r){return void 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n=t[0].topItemsIndexes,r=e.statefulStream(0);return e.connect(e.pipe(r,e.filter(function(t){return t>0}),e.map(function(t){return Array.from({length:t}).map(function(t,e){return e})})),n),{topItemCount:r}},e.tup(bt)),Rt=e.system(function(t){var n=t[0],r=n.footerHeight,o=n.headerHeight,i=n.fixedHeaderHeight,a=t[1].listState,l=e.stream(),s=e.statefulStreamFromEmitter(e.pipe(e.combineLatest(r,o,i,a),e.map(function(t){var e=t[3];return t[0]+t[1]+t[2]+e.offsetBottom+e.bottom})),0);return e.connect(e.duc(s),l),{totalListHeight:s,totalListHeightChanged:l}},e.tup(b,bt),{singleton:!0});function Lt(t){var e,n=!1;return function(){return n||(n=!0,e=t()),e}}var kt=Lt(function(){return/iP(ad|hone|od).+Version\/[\d.]+.*Safari/i.test(navigator.userAgent)}),zt=e.system(function(t){var n=t[0],r=n.scrollBy,o=n.scrollTop,i=n.deviation,a=n.scrollingInProgress,l=t[1],s=l.isScrolling,u=l.isAtBottom,c=l.scrollDirection,m=t[3],d=m.beforeUnshiftWith,f=m.shiftWithOffset,h=m.sizes,g=t[4].log,v=t[5].recalcInProgress,S=e.streamFromEmitter(e.pipe(t[2].listState,e.withLatestFrom(l.lastJumpDueToItemResize),e.scan(function(t,e){var n=t[1],r=e[0],o=r.items,i=r.totalCount,a=r.bottom+r.offsetBottom,l=0;return t[2]===i&&n.length>0&&o.length>0&&(0===o[0].originalIndex&&0===n[0].originalIndex||0!=(l=a-t[3])&&(l+=e[1])),[l,o,i,a]},[0,[],0,0]),e.filter(function(t){return 0!==t[0]}),e.withLatestFrom(o,c,a,u,g),e.filter(function(t){return!t[3]&&0!==t[1]&&t[2]===lt}),e.map(function(t){var e=t[0][0];return(0,t[5])("Upward scrolling compensation",{amount:e},p.DEBUG),e})));function I(t){t>0?(e.publish(r,{top:-t,behavior:"auto"}),e.publish(i,0)):(e.publish(i,0),e.publish(r,{top:-t,behavior:"auto"}))}return e.subscribe(e.pipe(S,e.withLatestFrom(i,s)),function(t){var n=t[0],r=t[1];t[2]&&kt()?e.publish(i,r-n):I(-n)}),e.subscribe(e.pipe(e.combineLatest(e.statefulStreamFromEmitter(s,!1),i,v),e.filter(function(t){return!t[0]&&!t[2]&&0!==t[1]}),e.map(function(t){return t[1]}),e.throttleTime(1)),I),e.connect(e.pipe(f,e.map(function(t){return{top:-t}})),r),e.subscribe(e.pipe(d,e.withLatestFrom(h),e.map(function(t){return t[0]*t[1].lastSize})),function(t){e.publish(i,t),requestAnimationFrame(function(){e.publish(r,{top:t}),requestAnimationFrame(function(){e.publish(i,0),e.publish(v,!1)})})}),{deviation:i}},e.tup(b,ut,bt,rt,v,j)),Bt=e.system(function(t){var n=t[0].totalListHeight,r=t[1].didMount,o=t[2].scrollTo,i=e.statefulStream(0);return e.subscribe(e.pipe(r,e.withLatestFrom(i),e.filter(function(t){return 0!==t[1]}),e.map(function(t){return{top:t[1]}})),function(t){e.handleNext(e.pipe(n,e.filter(function(t){return 0!==t})),function(){setTimeout(function(){e.publish(o,t)})})}),{initialScrollTop:i}},e.tup(Rt,ct,b),{singleton:!0}),Ft=e.system(function(t){var n=t[0].viewportHeight,r=t[1].totalListHeight,o=e.statefulStream(!1);return{alignToBottom:o,paddingTopAddition:e.statefulStreamFromEmitter(e.pipe(e.combineLatest(o,n,r),e.filter(function(t){return t[0]}),e.map(function(t){return Math.max(0,t[1]-t[2])}),e.distinctUntilChanged()),0)}},e.tup(b,Rt),{singleton:!0}),Pt=e.system(function(t){var n=t[0],r=n.scrollTo,o=n.scrollContainerState,i=e.stream(),a=e.stream(),l=e.stream(),s=e.statefulStream(!1),c=e.statefulStream(void 0);return e.connect(e.pipe(e.combineLatest(i,a),e.map(function(t){var e=t[0],n=e.viewportHeight,r=e.scrollHeight;return{scrollTop:Math.max(0,e.scrollTop-t[1].offsetTop),scrollHeight:r,viewportHeight:n}})),o),e.connect(e.pipe(r,e.withLatestFrom(a),e.map(function(t){var e=t[0];return u({},e,{top:e.top+t[1].offsetTop})})),l),{useWindowScroll:s,customScrollParent:c,windowScrollContainerState:i,windowViewportRect:a,windowScrollTo:l}},e.tup(b)),Ot=["done","behavior"],Mt=e.system(function(t){var n=t[0],r=n.sizes,o=n.totalCount,i=t[1],a=i.scrollTop,l=i.viewportHeight,s=i.headerHeight,m=i.scrollingInProgress,d=t[2].scrollToIndex,f=e.stream();return e.connect(e.pipe(f,e.withLatestFrom(r,l,o,s,a),e.map(function(t){var n=t[0],r=t[1],o=t[2],i=t[3],a=t[4],l=t[5],s=n.done,d=n.behavior,f=c(n,Ot),p=null,h=X(n,r,i-1),g=Q(h,r.offsetTree)+a;return g<l?p=u({},f,{behavior:d,align:"start"}):g+k(r.sizeTree,h)[1]>l+o&&(p=u({},f,{behavior:d,align:"end"})),p?s&&e.handleNext(e.pipe(m,e.skip(1),e.filter(function(t){return!1===t})),s):s&&s(),p}),e.filter(function(t){return null!==t})),d),{scrollIntoView:f}},e.tup(rt,b,at,bt,v),{singleton:!0}),Vt=["listState","topItemsIndexes"],Ut=e.system(function(t){return u({},t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])},e.tup(Ct,yt,ct,Et,Rt,Bt,Ft,Pt,Mt)),At=e.system(function(t){var n=t[0],r=n.totalCount,o=n.sizeRanges,i=n.fixedItemSize,a=n.defaultItemSize,l=n.trackItemSizes,s=n.itemSize,m=n.data,d=n.firstItemIndex,f=n.groupIndices,p=n.statefulTotalCount,h=t[1],g=h.initialTopMostItemIndex,v=h.scrolledToInitialItem,S=t[2],I=t[3],C=t[4],T=C.listState,w=C.topItemsIndexes,x=c(C,Vt),b=t[5].scrollToIndex,y=t[7].topItemCount,E=t[8].groupCounts,H=t[9],R=t[10];return e.connect(x.rangeChanged,H.scrollSeekRangeChanged),e.connect(e.pipe(H.windowViewportRect,e.map(function(t){return t.visibleHeight})),S.viewportHeight),u({totalCount:r,data:m,firstItemIndex:d,sizeRanges:o,initialTopMostItemIndex:g,scrolledToInitialItem:v,topItemsIndexes:w,topItemCount:y,groupCounts:E,fixedItemHeight:i,defaultItemHeight:a},I,{statefulTotalCount:p,listState:T,scrollToIndex:b,trackItemSizes:l,itemSize:s,groupIndices:f},x,H,S,R)},e.tup(rt,mt,b,ft,bt,at,zt,Ht,ht,Ut,v)),Wt=Lt(function(){if("undefined"==typeof document)return"sticky";var t=document.createElement("div");return t.style.position="-webkit-sticky","-webkit-sticky"===t.style.position?"-webkit-sticky":"sticky"});function Nt(t,e){var n=i(null),r=a(function(r){if(null!==r&&r.offsetParent){var o,i,a=r.getBoundingClientRect(),l=a.width;if(e){var s=e.getBoundingClientRect(),u=a.top-s.top;o=s.height-Math.max(0,u),i=u+e.scrollTop}else o=window.innerHeight-Math.max(0,a.top),i=a.top+window.pageYOffset;n.current={offsetTop:i,visibleHeight:o,visibleWidth:l},t(n.current)}},[t,e]),l=S(r),s=l.callbackRef,u=l.ref,c=a(function(){r(u.current)},[r,u]);return o(function(){if(e){e.addEventListener("scroll",c);var t=new ResizeObserver(c);return t.observe(e),function(){e.removeEventListener("scroll",c),t.unobserve(e)}}return window.addEventListener("scroll",c),window.addEventListener("resize",c),function(){window.removeEventListener("scroll",c),window.removeEventListener("resize",c)}},[c,e]),s}var Dt=["placeholder"],Gt=["style","children"],_t=["style","children"];function jt(t){return t}var Kt=e.system(function(){var t=e.statefulStream(function(t){return"Item "+t}),n=e.statefulStream(null),r=e.statefulStream(function(t){return"Group "+t}),o=e.statefulStream({}),i=e.statefulStream(jt),a=e.statefulStream("div"),l=e.statefulStream(e.noop),s=function(t,n){return void 0===n&&(n=null),e.statefulStreamFromEmitter(e.pipe(o,e.map(function(e){return e[t]}),e.distinctUntilChanged()),n)};return{context:n,itemContent:t,groupContent:r,components:o,computeItemKey:i,headerFooterTag:a,scrollerRef:l,FooterComponent:s("Footer"),HeaderComponent:s("Header"),TopItemListComponent:s("TopItemList"),ListComponent:s("List","div"),ItemComponent:s("Item","div"),GroupComponent:s("Group","div"),ScrollerComponent:s("Scroller","div"),EmptyPlaceholder:s("EmptyPlaceholder"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder")}});function Yt(t,n){var r=e.stream();return e.subscribe(r,function(){return console.warn("react-virtuoso: You are using a deprecated property. 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e=fe("useWindowScroll"),r=fe("topItemsIndexes").length>0,o=fe("customScrollParent"),i=o||e?se:le;return n.createElement(o||e?ge:he,u({},t),n.createElement(i,null,n.createElement(re,null),n.createElement(Qt,null),n.createElement(oe,null)),r&&n.createElement(ue,null,n.createElement(Qt,{showTopList:!0})))})),me=ce.Component,de=ce.usePublisher,fe=ce.useEmitterValue,pe=ce.useEmitter,he=ie({usePublisher:de,useEmitterValue:fe,useEmitter:pe}),ge=ae({usePublisher:de,useEmitterValue:fe,useEmitter:pe}),ve={items:[],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},Se={items:[{index:0}],offsetBottom:0,offsetTop:0,top:0,bottom:0,itemHeight:0,itemWidth:0},Ie=Math.round,Ce=Math.ceil,Te=Math.floor,we=Math.min,xe=Math.max;function be(t,e){return Array.from({length:e-t+1}).map(function(e,n){return{index:n+t}})}var ye=e.system(function(t){var n=t[0],r=n.overscan,o=n.visibleRange,i=n.listBoundary,a=t[1],l=a.scrollTop,s=a.viewportHeight,c=a.scrollBy,m=a.scrollTo,d=a.smoothScrollTargetReached,f=a.scrollContainerState,p=t[2],h=t[3],g=t[4],v=g.propsReady,S=g.didMount,I=t[5],C=I.windowViewportRect,T=I.windowScrollTo,w=I.useWindowScroll,x=I.customScrollParent,b=I.windowScrollContainerState,y=t[6],E=e.statefulStream(0),H=e.statefulStream(0),R=e.statefulStream(ve),L=e.statefulStream({height:0,width:0}),k=e.statefulStream({height:0,width:0}),z=e.stream(),B=e.stream(),F=e.statefulStream(0),P=e.statefulStream({row:0,column:0});e.connect(e.pipe(S,e.withLatestFrom(H),e.filter(function(t){return 0!==t[1]}),e.map(function(t){return{items:be(0,t[1]-1),top:0,bottom:0,offsetBottom:0,offsetTop:0,itemHeight:0,itemWidth:0}})),R),e.connect(e.pipe(e.combineLatest(e.duc(E),o,e.duc(P),e.duc(k,function(t,e){return t&&t.width===e.width&&t.height===e.height})),e.withLatestFrom(L),e.map(function(t){var e=t[0],n=e[0],r=e[1],o=r[0],i=r[1],a=e[2],l=e[3],s=t[1],u=a.row,c=l.height,m=l.width,d=s.width;if(0===n||0===d)return ve;if(0===m)return Se;var f=Re(d,m,a.column),p=f*Te((o+u)/(c+u)),h=f*Ce((i+u)/(c+u))-1;h=xe(0,we(n-1,h));var g=be(p=we(h,xe(0,p)),h),v=Ee(s,a,l,g),S=v.top,I=v.bottom,C=Ce(n/f);return{items:g,offsetTop:S,offsetBottom:C*c+(C-1)*u-I,top:S,bottom:I,itemHeight:c,itemWidth:m}})),R),e.connect(e.pipe(L,e.map(function(t){return t.height})),s),e.connect(e.pipe(e.combineLatest(L,k,R,P),e.map(function(t){var e=Ee(t[0],t[3],t[1],t[2].items);return[e.top,e.bottom]}),e.distinctUntilChanged(gt)),i);var O=e.streamFromEmitter(e.pipe(e.duc(R),e.filter(function(t){return t.items.length>0}),e.withLatestFrom(E),e.filter(function(t){var e=t[0].items;return e[e.length-1].index===t[1]-1}),e.map(function(t){return t[1]-1}),e.distinctUntilChanged())),M=e.streamFromEmitter(e.pipe(e.duc(R),e.filter(function(t){var e=t.items;return 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Pass scrollSeekConfiguration and specify the placeholder in components.ScrollSeekPlaceholder instead."),e.publish(r.components,u({},e.getValue(r.components),{ScrollSeekPlaceholder:o})),e.publish(n.scrollSeekConfiguration,i)}),i(o.ItemContainer,"Item","ItemContainer"),i(o.ListContainer,"List","ListContainer"),i(o.ScrollContainer,"Scroller","ScrollContainer"),u({},n,r,o)},e.tup(ye,ke)),Be=n.memo(function(){var t=Ue("gridState"),e=Ue("listClassName"),n=Ue("itemClassName"),r=Ue("itemContent"),o=Ue("computeItemKey"),i=Ue("isSeeking"),a=Ve("scrollHeight"),s=Ue("ItemComponent"),c=Ue("ListComponent"),m=Ue("ScrollSeekPlaceholder"),d=Ue("context"),f=Ve("itemDimensions"),p=Ve("gap"),h=Ue("log"),g=I(function(t){a(t.parentElement.parentElement.scrollHeight);var e=t.firstChild;e&&f(e.getBoundingClientRect()),p({row:De("row-gap",getComputedStyle(t).rowGap,h),column:De("column-gap",getComputedStyle(t).columnGap,h)})});return l(c,u({ref:g,className:e},ne(c,d),{style:{paddingTop:t.offsetTop,paddingBottom:t.offsetBottom}}),t.items.map(function(e){var a=o(e.index);return i?l(m,u({key:a},ne(m,d),{index:e.index,height:t.itemHeight,width:t.itemWidth})):l(s,u({},ne(s,d),{className:n,"data-index":e.index,key:a}),r(e.index,d))}))}),Fe=function(t){var e=t.children,r=Ve("viewportDimensions"),o=I(function(t){r(t.getBoundingClientRect())});return n.createElement("div",{style:te,ref:o},e)},Pe=function(t){var e=t.children,r=Nt(Ve("windowViewportRect"),Ue("customScrollParent"));return n.createElement("div",{ref:r,style:te},e)},Oe=t(ze,{optional:{totalCount:"totalCount",overscan:"overscan",itemContent:"itemContent",components:"components",computeItemKey:"computeItemKey",initialItemCount:"initialItemCount",scrollSeekConfiguration:"scrollSeekConfiguration",listClassName:"listClassName",itemClassName:"itemClassName",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",item:"item",ItemContainer:"ItemContainer",ScrollContainer:"ScrollContainer",ListContainer:"ListContainer",scrollSeek:"scrollSeek"},methods:{scrollTo:"scrollTo",scrollBy:"scrollBy",scrollToIndex:"scrollToIndex"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange"}},n.memo(function(t){var e=u({},t),r=Ue("useWindowScroll"),o=Ue("customScrollParent"),i=o||r?Pe:Fe;return n.createElement(o||r?Ne:We,u({},e),n.createElement(i,null,n.createElement(Be,null)))})),Me=Oe.Component,Ve=Oe.usePublisher,Ue=Oe.useEmitterValue,Ae=Oe.useEmitter,We=ie({usePublisher:Ve,useEmitterValue:Ue,useEmitter:Ae}),Ne=ae({usePublisher:Ve,useEmitterValue:Ue,useEmitter:Ae});function De(t,e,n){return"normal"===e||e.endsWith("px")||n(t+" was not resolved to pixel value correctly",e,p.WARN),"normal"===e?0:parseInt(e,10)}var Ge=e.system(function(){var t=e.statefulStream(function(t){return n.createElement("td",null,"Item $",t)}),r=e.statefulStream(null),o=e.statefulStream(null),i=e.statefulStream({}),a=e.statefulStream(jt),l=e.statefulStream(e.noop),s=function(t,n){return void 0===n&&(n=null),e.statefulStreamFromEmitter(e.pipe(i,e.map(function(e){return e[t]}),e.distinctUntilChanged()),n)};return{context:r,itemContent:t,fixedHeaderContent:o,components:i,computeItemKey:a,scrollerRef:l,TableComponent:s("Table","table"),TableHeadComponent:s("TableHead","thead"),TableBodyComponent:s("TableBody","tbody"),TableRowComponent:s("TableRow","tr"),ScrollerComponent:s("Scroller","div"),EmptyPlaceholder:s("EmptyPlaceholder"),ScrollSeekPlaceholder:s("ScrollSeekPlaceholder"),FillerRow:s("FillerRow")}}),_e=e.system(function(t){return u({},t[0],t[1])},e.tup(At,Ge)),je=function(t){return n.createElement("tr",null,n.createElement("td",{style:{height:t.height}}))},Ke=function(t){return n.createElement("tr",null,n.createElement("td",{style:{height:t.height,padding:0,border:0}}))},Ye=n.memo(function(){var t=Xe("listState"),e=Qe("sizeRanges"),r=Xe("useWindowScroll"),o=Xe("customScrollParent"),i=Qe("windowScrollContainerState"),a=Qe("scrollContainerState"),s=o||r?i:a,c=Xe("itemContent"),m=Xe("trackItemSizes"),d=C(e,Xe("itemSize"),m,s,Xe("log"),o),f=d.callbackRef,p=d.ref,h=n.useState(0),g=h[0],v=h[1];tn("deviation",function(t){g!==t&&(p.current.style.marginTop=t+"px",v(t))});var S=Xe("EmptyPlaceholder"),I=Xe("ScrollSeekPlaceholder")||je,T=Xe("FillerRow")||Ke,w=Xe("TableBodyComponent"),x=Xe("TableRowComponent"),b=Xe("computeItemKey"),y=Xe("isSeeking"),E=Xe("paddingTopAddition"),H=Xe("firstItemIndex"),R=Xe("statefulTotalCount"),L=Xe("context");if(0===R&&S)return l(S,ne(S,L));var k=t.offsetTop+E+g,z=t.offsetBottom,B=k>0?n.createElement(T,{height:k,key:"padding-top"}):null,F=z>0?n.createElement(T,{height:z,key:"padding-bottom"}):null,P=t.items.map(function(t){var e=t.originalIndex,n=b(e+H,t.data,L);return y?l(I,u({},ne(I,L),{key:n,index:t.index,height:t.size,type:t.type||"item"})):l(x,u({},ne(x,L),{key:n,"data-index":e,"data-known-size":t.size,"data-item-index":t.index,style:{overflowAnchor:"none"}}),c(t.index,t.data,L))});return l(w,u({ref:f,"data-test-id":"virtuoso-item-list"},ne(w,L)),[B].concat(P,[F]))}),qe=function(t){var r=t.children,o=Qe("viewportHeight"),i=I(e.compose(o,function(t){return T(t,"height")}));return n.createElement("div",{style:te,ref:i,"data-viewport-type":"element"},r)},Ze=function(t){var e=t.children,r=Nt(Qe("windowViewportRect"),Xe("customScrollParent"));return n.createElement("div",{ref:r,style:te,"data-viewport-type":"window"},e)},Je=t(_e,{required:{},optional:{context:"context",followOutput:"followOutput",firstItemIndex:"firstItemIndex",itemContent:"itemContent",fixedHeaderContent:"fixedHeaderContent",overscan:"overscan",increaseViewportBy:"increaseViewportBy",totalCount:"totalCount",topItemCount:"topItemCount",initialTopMostItemIndex:"initialTopMostItemIndex",components:"components",groupCounts:"groupCounts",atBottomThreshold:"atBottomThreshold",atTopThreshold:"atTopThreshold",computeItemKey:"computeItemKey",defaultItemHeight:"defaultItemHeight",fixedItemHeight:"fixedItemHeight",itemSize:"itemSize",scrollSeekConfiguration:"scrollSeekConfiguration",data:"data",initialItemCount:"initialItemCount",initialScrollTop:"initialScrollTop",alignToBottom:"alignToBottom",useWindowScroll:"useWindowScroll",customScrollParent:"customScrollParent",scrollerRef:"scrollerRef",logLevel:"logLevel",react18ConcurrentRendering:"react18ConcurrentRendering"},methods:{scrollToIndex:"scrollToIndex",scrollIntoView:"scrollIntoView",scrollTo:"scrollTo",scrollBy:"scrollBy"},events:{isScrolling:"isScrolling",endReached:"endReached",startReached:"startReached",rangeChanged:"rangeChanged",atBottomStateChange:"atBottomStateChange",atTopStateChange:"atTopStateChange",totalListHeightChanged:"totalListHeightChanged",itemsRendered:"itemsRendered",groupIndices:"groupIndices"}},n.memo(function(t){var r=Xe("useWindowScroll"),o=Xe("customScrollParent"),i=Qe("fixedHeaderHeight"),a=Xe("fixedHeaderContent"),l=Xe("context"),s=I(e.compose(i,function(t){return T(t,"height")})),c=o||r?nn:en,m=o||r?Ze:qe,d=Xe("TableComponent"),f=Xe("TableHeadComponent"),p=a?n.createElement(f,u({key:"TableHead",style:{zIndex:1,position:"sticky",top:0},ref:s},ne(f,l)),a()):null;return n.createElement(c,u({},t),n.createElement(m,null,n.createElement(d,u({style:{borderSpacing:0}},ne(d,l)),[p,n.createElement(Ye,{key:"TableBody"})])))})),$e=Je.Component,Qe=Je.usePublisher,Xe=Je.useEmitterValue,tn=Je.useEmitter,en=ie({usePublisher:Qe,useEmitterValue:Xe,useEmitter:tn}),nn=ae({usePublisher:Qe,useEmitterValue:Xe,useEmitter:tn}),rn=me,on=me,an=$e,ln=Me;export{on as GroupedVirtuoso,p as LogLevel,an as TableVirtuoso,rn as Virtuoso,ln as VirtuosoGrid};
//# sourceMappingURL=index.m.js.map

2

package.json

@@ -5,3 +5,3 @@ {

"sideEffects": false,
"version": "2.13.4",
"version": "2.14.0",
"homepage": "https://virtuoso.dev/",

@@ -8,0 +8,0 @@ "license": "MIT",

dist/index.js.map

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dist/index.m.js.map

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