@pdftron/webviewer/public/ui/chunks/chunk.29.js

[WebViewer](https://www.apryse.com/webviewer) is a powerful JavaScript Document SDK and UI Component Library that is a part of the [Apryse PDF SDK](https://www.apryse.com). It provides a slick, out-of-the-box responsive UI that interacts with the core lib

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_={isScrolling:!0,scrollDirectionHorizontal:h!==this.state.scrollLeft?h>this.state.scrollLeft?m.SCROLL_DIRECTION_FORWARD:m.SCROLL_DIRECTION_BACKWARD:this.state.scrollDirectionHorizontal,scrollDirectionVertical:v!==this.state.scrollTop?v>this.state.scrollTop?m.SCROLL_DIRECTION_FORWARD:m.SCROLL_DIRECTION_BACKWARD:this.state.scrollDirectionVertical,scrollPositionChangeReason:T};u||(_.scrollTop=v),l||(_.scrollLeft=h),_.needToResetStyleCache=!1,this.setState(_)}this._invokeOnScrollMemoizer({scrollLeft:h,scrollTop:v,totalColumnsWidth:p,totalRowsHeight:d})}}},{key:"invalidateCellSizeAfterRender",value:function(e){var t=e.columnIndex,n=e.rowIndex;this._deferredInvalidateColumnIndex="number"==typeof this._deferredInvalidateColumnIndex?Math.min(this._deferredInvalidateColumnIndex,t):t,this._deferredInvalidateRowIndex="number"==typeof this._deferredInvalidateRowIndex?Math.min(this._deferredInvalidateRowIndex,n):n}},{key:"measureAllCells",value:function(){var e=this.props,t=e.columnCount,n=e.rowCount,r=this.state.instanceProps;r.columnSizeAndPositionManager.getSizeAndPositionOfCell(t-1),r.rowSizeAndPositionManager.getSizeAndPositionOfCell(n-1)}},{key:"recomputeGridSize",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.columnIndex,n=void 0===t?0:t,r=e.rowIndex,o=void 0===r?0:r,i=this.props,u=i.scrollToColumn,l=i.scrollToRow,a=this.state.instanceProps;a.columnSizeAndPositionManager.resetCell(n),a.rowSizeAndPositionManager.resetCell(o),this._recomputeScrollLeftFlag=u>=0&&(this.state.scrollDirectionHorizontal===m.SCROLL_DIRECTION_FORWARD?n<=u:n>=u),this._recomputeScrollTopFlag=l>=0&&(this.state.scrollDirectionVertical===m.SCROLL_DIRECTION_FORWARD?o<=l:o>=l),this._styleCache={},this._cellCache={},this.forceUpdate()}},{key:"scrollToCell",value:function(e){var t=e.columnIndex,n=e.rowIndex,r=this.props.columnCount,o=this.props;r>1&&void 0!==t&&this._updateScrollLeftForScrollToColumn(R({},o,{scrollToColumn:t})),void 0!==n&&this._updateScrollTopForScrollToRow(R({},o,{scrollToRow:n}))}},{key:"componentDidMount",value:function(){var e=this.props,n=e.getScrollbarSize,r=e.height,o=e.scrollLeft,i=e.scrollToColumn,u=e.scrollTop,l=e.scrollToRow,a=e.width,c=this.state.instanceProps;if(this._initialScrollTop=0,this._initialScrollLeft=0,this._handleInvalidatedGridSize(),c.scrollbarSizeMeasured||this.setState((function(e){var t=R({},e,{needToResetStyleCache:!1});return t.instanceProps.scrollbarSize=n(),t.instanceProps.scrollbarSizeMeasured=!0,t})),"number"==typeof o&&o>=0||"number"==typeof u&&u>=0){var f=t._getScrollToPositionStateUpdate({prevState:this.state,scrollLeft:o,scrollTop:u});f&&(f.needToResetStyleCache=!1,this.setState(f))}this._scrollingContainer&&(this._scrollingContainer.scrollLeft!==this.state.scrollLeft&&(this._scrollingContainer.scrollLeft=this.state.scrollLeft),this._scrollingContainer.scrollTop!==this.state.scrollTop&&(this._scrollingContainer.scrollTop=this.state.scrollTop));var s=r>0&&a>0;i>=0&&s&&this._updateScrollLeftForScrollToColumn(),l>=0&&s&&this._updateScrollTopForScrollToRow(),this._invokeOnGridRenderedHelper(),this._invokeOnScrollMemoizer({scrollLeft:o||0,scrollTop:u||0,totalColumnsWidth:c.columnSizeAndPositionManager.getTotalSize(),totalRowsHeight:c.rowSizeAndPositionManager.getTotalSize()}),this._maybeCallOnScrollbarPresenceChange()}},{key:"componentDidUpdate",value:function(e,t){var n=this,r=this.props,o=r.autoHeight,i=r.autoWidth,u=r.columnCount,l=r.height,a=r.rowCount,c=r.scrollToAlignment,f=r.scrollToColumn,s=r.scrollToRow,d=r.width,p=this.state,h=p.scrollLeft,v=p.scrollPositionChangeReason,_=p.scrollTop,g=p.instanceProps;this._handleInvalidatedGridSize();var y=u>0&&0===e.columnCount||a>0&&0===e.rowCount;v===O&&(!i&&h>=0&&(h!==this._scrollingContainer.scrollLeft||y)&&(this._scrollingContainer.scrollLeft=h),!o&&_>=0&&(_!==this._scrollingContainer.scrollTop||y)&&(this._scrollingContainer.scrollTop=_));var S=(0===e.width||0===e.height)&&l>0&&d>0;if(this._recomputeScrollLeftFlag?(this._recomputeScrollLeftFlag=!1,this._updateScrollLeftForScrollToColumn(this.props)):(0,C.default)({cellSizeAndPositionManager:g.columnSizeAndPositionManager,previousCellsCount:e.columnCount,previousCellSize:e.columnWidth,previousScrollToAlignment:e.scrollToAlignment,previousScrollToIndex:e.scrollToColumn,previousSize:e.width,scrollOffset:h,scrollToAlignment:c,scrollToIndex:f,size:d,sizeJustIncreasedFromZero:S,updateScrollIndexCallback:function(){return n._updateScrollLeftForScrollToColumn(n.props)}}),this._recomputeScrollTopFlag?(this._recomputeScrollTopFlag=!1,this._updateScrollTopForScrollToRow(this.props)):(0,C.default)({cellSizeAndPositionManager:g.rowSizeAndPositionManager,previousCellsCount:e.rowCount,previousCellSize:e.rowHeight,previousScrollToAlignment:e.scrollToAlignment,previousScrollToIndex:e.scrollToRow,previousSize:e.height,scrollOffset:_,scrollToAlignment:c,scrollToIndex:s,size:l,sizeJustIncreasedFromZero:S,updateScrollIndexCallback:function(){return n._updateScrollTopForScrollToRow(n.props)}}),this._invokeOnGridRenderedHelper(),h!==t.scrollLeft||_!==t.scrollTop){var m=g.rowSizeAndPositionManager.getTotalSize(),b=g.columnSizeAndPositionManager.getTotalSize();this._invokeOnScrollMemoizer({scrollLeft:h,scrollTop:_,totalColumnsWidth:b,totalRowsHeight:m})}this._maybeCallOnScrollbarPresenceChange()}},{key:"componentWillUnmount",value:function(){this._disablePointerEventsTimeoutId&&(0,I.cancelAnimationTimeout)(this._disablePointerEventsTimeoutId)}},{key:"render",value:function(){var e=this.props,t=e.autoContainerWidth,n=e.autoHeight,r=e.autoWidth,o=e.className,i=e.containerProps,u=e.containerRole,a=e.containerStyle,c=e.height,f=e.id,s=e.noContentRenderer,d=e.role,p=e.style,h=e.tabIndex,g=e.width,y=this.state,S=y.instanceProps,m=y.needToResetStyleCache,C=this._isScrolling(),b={boxSizing:"border-box",direction:"ltr",height:n?"auto":c,position:"relative",width:r?"auto":g,WebkitOverflowScrolling:"touch",willChange:"transform"};m&&(this._styleCache={}),this.state.isScrolling||this._resetStyleCache(),this._calculateChildrenToRender(this.props,this.state);var w=S.columnSizeAndPositionManager.getTotalSize(),x=S.rowSizeAndPositionManager.getTotalSize(),I=x>c?S.scrollbarSize:0,z=w>g?S.scrollbarSize:0;z===this._horizontalScrollBarSize&&I===this._verticalScrollBarSize||(this._horizontalScrollBarSize=z,this._verticalScrollBarSize=I,this._scrollbarPresenceChanged=!0),b.overflowX=w+I<=g?"hidden":"auto",b.overflowY=x+z<=c?"hidden":"auto";var T=this._childrenToDisplay,O=0===T.length&&c>0&&g>0;return v.createElement("div",(0,l.default)({ref:this._setScrollingContainerRef},i,{"aria-label":this.props["aria-label"],"aria-readonly":this.props["aria-readonly"],className:(0,_.default)("ReactVirtualized__Grid",o),id:f,onScroll:this._onScroll,role:d,style:R({},b,{},p),tabIndex:h}),T.length>0&&v.createElement("div",{className:"ReactVirtualized__Grid__innerScrollContainer",role:u,style:R({width:t?"auto":w,height:x,maxWidth:w,maxHeight:x,overflow:"hidden",pointerEvents:C?"none":"",position:"relative"},a)},T),O&&s())}},{key:"_calculateChildrenToRender",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state,n=e.cellRenderer,r=e.cellRangeRenderer,o=e.columnCount,i=e.deferredMeasurementCache,u=e.height,l=e.overscanColumnCount,a=e.overscanIndicesGetter,c=e.overscanRowCount,f=e.rowCount,s=e.width,d=e.isScrollingOptOut,p=t.scrollDirectionHorizontal,h=t.scrollDirectionVertical,v=t.instanceProps,_=this._initialScrollTop>0?this._initialScrollTop:t.scrollTop,g=this._initialScrollLeft>0?this._initialScrollLeft:t.scrollLeft,y=this._isScrolling(e,t);if(this._childrenToDisplay=[],u>0&&s>0){var S=v.columnSizeAndPositionManager.getVisibleCellRange({containerSize:s,offset:g}),m=v.rowSizeAndPositionManager.getVisibleCellRange({containerSize:u,offset:_}),C=v.columnSizeAndPositionManager.getOffsetAdjustment({containerSize:s,offset:g}),b=v.rowSizeAndPositionManager.getOffsetAdjustment({containerSize:u,offset:_});this._renderedColumnStartIndex=S.start,this._renderedColumnStopIndex=S.stop,this._renderedRowStartIndex=m.start,this._renderedRowStopIndex=m.stop;var w=a({direction:"horizontal",cellCount:o,overscanCellsCount:l,scrollDirection:p,startIndex:"number"==typeof S.start?S.start:0,stopIndex:"number"==typeof S.stop?S.stop:-1}),x=a({direction:"vertical",cellCount:f,overscanCellsCount:c,scrollDirection:h,startIndex:"number"==typeof m.start?m.start:0,stopIndex:"number"==typeof m.stop?m.stop:-1}),I=w.overscanStartIndex,z=w.overscanStopIndex,R=x.overscanStartIndex,T=x.overscanStopIndex;if(i){if(!i.hasFixedHeight())for(var O=R;O<=T;O++)if(!i.has(O,0)){I=0,z=o-1;break}if(!i.hasFixedWidth())for(var A=I;A<=z;A++)if(!i.has(0,A)){R=0,T=f-1;break}}this._childrenToDisplay=r({cellCache:this._cellCache,cellRenderer:n,columnSizeAndPositionManager:v.columnSizeAndPositionManager,columnStartIndex:I,columnStopIndex:z,deferredMeasurementCache:i,horizontalOffsetAdjustment:C,isScrolling:y,isScrollingOptOut:d,parent:this,rowSizeAndPositionManager:v.rowSizeAndPositionManager,rowStartIndex:R,rowStopIndex:T,scrollLeft:g,scrollTop:_,styleCache:this._styleCache,verticalOffsetAdjustment:b,visibleColumnIndices:S,visibleRowIndices:m}),this._columnStartIndex=I,this._columnStopIndex=z,this._rowStartIndex=R,this._rowStopIndex=T}}},{key:"_debounceScrollEnded",value:function(){var e=this.props.scrollingResetTimeInterval;this._disablePointerEventsTimeoutId&&(0,I.cancelAnimationTimeout)(this._disablePointerEventsTimeoutId),this._disablePointerEventsTimeoutId=(0,I.requestAnimationTimeout)(this._debounceScrollEndedCallback,e)}},{key:"_handleInvalidatedGridSize",value:function(){if("number"==typeof this._deferredInvalidateColumnIndex&&"number"==typeof this._deferredInvalidateRowIndex){var e=this._deferredInvalidateColumnIndex,t=this._deferredInvalidateRowIndex;this._deferredInvalidateColumnIndex=null,this._deferredInvalidateRowIndex=null,this.recomputeGridSize({columnIndex:e,rowIndex:t})}}},{key:"_invokeOnScrollMemoizer",value:function(e){var t=this,n=e.scrollLeft,r=e.scrollTop,o=e.totalColumnsWidth,i=e.totalRowsHeight;this._onScrollMemoizer({callback:function(e){var n=e.scrollLeft,r=e.scrollTop,u=t.props,l=u.height;(0,u.onScroll)({clientHeight:l,clientWidth:u.width,scrollHeight:i,scrollLeft:n,scrollTop:r,scrollWidth:o})},indices:{scrollLeft:n,scrollTop:r}})}},{key:"_isScrolling",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state;return Object.hasOwnProperty.call(e,"isScrolling")?Boolean(e.isScrolling):Boolean(t.isScrolling)}},{key:"_maybeCallOnScrollbarPresenceChange",value:function(){if(this._scrollbarPresenceChanged){var e=this.props.onScrollbarPresenceChange;this._scrollbarPresenceChanged=!1,e({horizontal:this._horizontalScrollBarSize>0,size:this.state.instanceProps.scrollbarSize,vertical:this._verticalScrollBarSize>0})}}},{key:"scrollToPosition",value:function(e){var n=e.scrollLeft,r=e.scrollTop,o=t._getScrollToPositionStateUpdate({prevState:this.state,scrollLeft:n,scrollTop:r});o&&(o.needToResetStyleCache=!1,this.setState(o))}},{key:"_getCalculatedScrollLeft",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state;return t._getCalculatedScrollLeft(e,n)}},{key:"_updateScrollLeftForScrollToColumn",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state,r=t._getScrollLeftForScrollToColumnStateUpdate(e,n);r&&(r.needToResetStyleCache=!1,this.setState(r))}},{key:"_getCalculatedScrollTop",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state;return t._getCalculatedScrollTop(e,n)}},{key:"_resetStyleCache",value:function(){var e=this._styleCache,t=this._cellCache,n=this.props.isScrollingOptOut;this._cellCache={},this._styleCache={};for(var r=this._rowStartIndex;r<=this._rowStopIndex;r++)for(var o=this._columnStartIndex;o<=this._columnStopIndex;o++){var i="".concat(r,"-").concat(o);this._styleCache[i]=e[i],n&&(this._cellCache[i]=t[i])}}},{key:"_updateScrollTopForScrollToRow",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.state,r=t._getScrollTopForScrollToRowStateUpdate(e,n);r&&(r.needToResetStyleCache=!1,this.setState(r))}}],[{key:"getDerivedStateFromProps",value:function(e,n){var r={};0===e.columnCount&&0!==n.scrollLeft||0===e.rowCount&&0!==n.scrollTop?(r.scrollLeft=0,r.scrollTop=0):(e.scrollLeft!==n.scrollLeft&&e.scrollToColumn<0||e.scrollTop!==n.scrollTop&&e.scrollToRow<0)&&Object.assign(r,t._getScrollToPositionStateUpdate({prevState:n,scrollLeft:e.scrollLeft,scrollTop:e.scrollTop}));var o,i,u=n.instanceProps;return r.needToResetStyleCache=!1,e.columnWidth===u.prevColumnWidth&&e.rowHeight===u.prevRowHeight||(r.needToResetStyleCache=!0),u.columnSizeAndPositionManager.configure({cellCount:e.columnCount,estimatedCellSize:t._getEstimatedColumnSize(e),cellSizeGetter:t._wrapSizeGetter(e.columnWidth)}),u.rowSizeAndPositionManager.configure({cellCount:e.rowCount,estimatedCellSize:t._getEstimatedRowSize(e),cellSizeGetter:t._wrapSizeGetter(e.rowHeight)}),0!==u.prevColumnCount&&0!==u.prevRowCount||(u.prevColumnCount=0,u.prevRowCount=0),e.autoHeight&&!1===e.isScrolling&&!0===u.prevIsScrolling&&Object.assign(r,{isScrolling:!1}),(0,g.default)({cellCount:u.prevColumnCount,cellSize:"number"==typeof u.prevColumnWidth?u.prevColumnWidth:null,computeMetadataCallback:function(){return u.columnSizeAndPositionManager.resetCell(0)},computeMetadataCallbackProps:e,nextCellsCount:e.columnCount,nextCellSize:"number"==typeof e.columnWidth?e.columnWidth:null,nextScrollToIndex:e.scrollToColumn,scrollToIndex:u.prevScrollToColumn,updateScrollOffsetForScrollToIndex:function(){o=t._getScrollLeftForScrollToColumnStateUpdate(e,n)}}),(0,g.default)({cellCount:u.prevRowCount,cellSize:"number"==typeof u.prevRowHeight?u.prevRowHeight:null,computeMetadataCallback:function(){return u.rowSizeAndPositionManager.resetCell(0)},computeMetadataCallbackProps:e,nextCellsCount:e.rowCount,nextCellSize:"number"==typeof e.rowHeight?e.rowHeight:null,nextScrollToIndex:e.scrollToRow,scrollToIndex:u.prevScrollToRow,updateScrollOffsetForScrollToIndex:function(){i=t._getScrollTopForScrollToRowStateUpdate(e,n)}}),u.prevColumnCount=e.columnCount,u.prevColumnWidth=e.columnWidth,u.prevIsScrolling=!0===e.isScrolling,u.prevRowCount=e.rowCount,u.prevRowHeight=e.rowHeight,u.prevScrollToColumn=e.scrollToColumn,u.prevScrollToRow=e.scrollToRow,u.scrollbarSize=e.getScrollbarSize(),void 0===u.scrollbarSize?(u.scrollbarSizeMeasured=!1,u.scrollbarSize=0):u.scrollbarSizeMeasured=!0,r.instanceProps=u,R({},r,{},o,{},i)}},{key:"_getEstimatedColumnSize",value:function(e){return"number"==typeof e.columnWidth?e.columnWidth:e.estimatedColumnSize}},{key:"_getEstimatedRowSize",value:function(e){return"number"==typeof e.rowHeight?e.rowHeight:e.estimatedRowSize}},{key:"_getScrollToPositionStateUpdate",value:function(e){var t=e.prevState,n=e.scrollLeft,r=e.scrollTop,o={scrollPositionChangeReason:O};return"number"==typeof n&&n>=0&&(o.scrollDirectionHorizontal=n>t.scrollLeft?m.SCROLL_DIRECTION_FORWARD:m.SCROLL_DIRECTION_BACKWARD,o.scrollLeft=n),"number"==typeof r&&r>=0&&(o.scrollDirectionVertical=r>t.scrollTop?m.SCROLL_DIRECTION_FORWARD:m.SCROLL_DIRECTION_BACKWARD,o.scrollTop=r),"number"==typeof n&&n>=0&&n!==t.scrollLeft||"number"==typeof r&&r>=0&&r!==t.scrollTop?o:{}}},{key:"_wrapSizeGetter",value:function(e){return"function"==typeof e?e:function(){return e}}},{key:"_getCalculatedScrollLeft",value:function(e,t){var n=e.columnCount,r=e.height,o=e.scrollToAlignment,i=e.scrollToColumn,u=e.width,l=t.scrollLeft,a=t.instanceProps;if(n>0){var c=n-1,f=i<0?c:Math.min(c,i),s=a.rowSizeAndPositionManager.getTotalSize(),d=a.scrollbarSizeMeasured&&s>r?a.scrollbarSize:0;return a.columnSizeAndPositionManager.getUpdatedOffsetForIndex({align:o,containerSize:u-d,currentOffset:l,targetIndex:f})}return 0}},{key:"_getScrollLeftForScrollToColumnStateUpdate",value:function(e,n){var r=n.scrollLeft,o=t._getCalculatedScrollLeft(e,n);return"number"==typeof o&&o>=0&&r!==o?t._getScrollToPositionStateUpdate({prevState:n,scrollLeft:o,scrollTop:-1}):{}}},{key:"_getCalculatedScrollTop",value:function(e,t){var n=e.height,r=e.rowCount,o=e.scrollToAlignment,i=e.scrollToRow,u=e.width,l=t.scrollTop,a=t.instanceProps;if(r>0){var c=r-1,f=i<0?c:Math.min(c,i),s=a.columnSizeAndPositionManager.getTotalSize(),d=a.scrollbarSizeMeasured&&s>u?a.scrollbarSize:0;return a.rowSizeAndPositionManager.getUpdatedOffsetForIndex({align:o,containerSize:n-d,currentOffset:l,targetIndex:f})}return 0}},{key:"_getScrollTopForScrollToRowStateUpdate",value:function(e,n){var r=n.scrollTop,o=t._getCalculatedScrollTop(e,n);return"number"==typeof o&&o>=0&&r!==o?t._getScrollToPositionStateUpdate({prevState:n,scrollLeft:-1,scrollTop:o}):{}}}]),t}(v.PureComponent),(0,h.default)(i,"propTypes",null),u);(0,h.default)(A,"defaultProps",{"aria-label":"grid","aria-readonly":!0,autoContainerWidth:!1,autoHeight:!1,autoWidth:!1,cellRangeRenderer:b.default,containerRole:"rowgroup",containerStyle:{},estimatedColumnSize:100,estimatedRowSize:30,getScrollbarSize:w.default,noContentRenderer:function(){return null},onScroll:function(){},onScrollbarPresenceChange:function(){},onSectionRendered:function(){},overscanColumnCount:0,overscanIndicesGetter:m.default,overscanRowCount:10,role:"grid",scrollingResetTimeInterval:150,scrollToAlignment:"auto",scrollToColumn:-1,scrollToRow:-1,style:{},tabIndex:0,isScrollingOptOut:!1}),(0,x.polyfill)(A);var P=A;t.default=P},1814:function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(e){var t=e.cellCount,n=e.cellSize,r=e.computeMetadataCallback,o=e.computeMetadataCallbackProps,i=e.nextCellsCount,u=e.nextCellSize,l=e.nextScrollToIndex,a=e.scrollToIndex,c=e.updateScrollOffsetForScrollToIndex;t===i&&("number"!=typeof n&&"number"!=typeof u||n===u)||(r(o),a>=0&&a===l&&c())}},1815:function(e,t,n){"use strict";var r=n(1575);Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var o=r(n(471)),i=r(n(472)),u=r(n(229)),l=(n(1589),function(){function e(t){var n=t.cellCount,r=t.cellSizeGetter,i=t.estimatedCellSize;(0,o.default)(this,e),(0,u.default)(this,"_cellSizeAndPositionData",{}),(0,u.default)(this,"_lastMeasuredIndex",-1),(0,u.default)(this,"_lastBatchedIndex",-1),(0,u.default)(this,"_cellCount",void 0),(0,u.default)(this,"_cellSizeGetter",void 0),(0,u.default)(this,"_estimatedCellSize",void 0),this._cellSizeGetter=r,this._cellCount=n,this._estimatedCellSize=i}return(0,i.default)(e,[{key:"areOffsetsAdjusted",value:function(){return!1}},{key:"configure",value:function(e){var t=e.cellCount,n=e.estimatedCellSize,r=e.cellSizeGetter;this._cellCount=t,this._estimatedCellSize=n,this._cellSizeGetter=r}},{key:"getCellCount",value:function(){return this._cellCount}},{key:"getEstimatedCellSize",value:function(){return this._estimatedCellSize}},{key:"getLastMeasuredIndex",value:function(){return this._lastMeasuredIndex}},{key:"getOffsetAdjustment",value:function(){return 0}},{key:"getSizeAndPositionOfCell",value:function(e){if(e<0||e>=this._cellCount)throw Error("Requested index ".concat(e," is outside of range 0..").concat(this._cellCount));if(e>this._lastMeasuredIndex)for(var t=this.getSizeAndPositionOfLastMeasuredCell(),n=t.offset+t.size,r=this._lastMeasuredIndex+1;r<=e;r++){var o=this._cellSizeGetter({index:r});if(void 0===o||isNaN(o))throw Error("Invalid size returned for cell ".concat(r," of value ").concat(o));null===o?(this._cellSizeAndPositionData[r]={offset:n,size:0},this._lastBatchedIndex=e):(this._cellSizeAndPositionData[r]={offset:n,size:o},n+=o,this._lastMeasuredIndex=e)}return this._cellSizeAndPositionData[e]}},{key:"getSizeAndPositionOfLastMeasuredCell",value:function(){return this._lastMeasuredIndex>=0?this._cellSizeAndPositionData[this._lastMeasuredIndex]:{offset:0,size:0}}},{key:"getTotalSize",value:function(){var e=this.getSizeAndPositionOfLastMeasuredCell();return e.offset+e.size+(this._cellCount-this._lastMeasuredIndex-1)*this._estimatedCellSize}},{key:"getUpdatedOffsetForIndex",value:function(e){var t=e.align,n=void 0===t?"auto":t,r=e.containerSize,o=e.currentOffset,i=e.targetIndex;if(r<=0)return 0;var u,l=this.getSizeAndPositionOfCell(i),a=l.offset,c=a-r+l.size;switch(n){case"start":u=a;break;case"end":u=c;break;case"center":u=a-(r-l.size)/2;break;default:u=Math.max(c,Math.min(a,o))}var f=this.getTotalSize();return Math.max(0,Math.min(f-r,u))}},{key:"getVisibleCellRange",value:function(e){var t=e.containerSize,n=e.offset;if(0===this.getTotalSize())return{};var r=n+t,o=this._findNearestCell(n),i=this.getSizeAndPositionOfCell(o);n=i.offset+i.size;for(var u=o;n<r&&u<this._cellCount-1;)u++,n+=this.getSizeAndPositionOfCell(u).size;return{start:o,stop:u}}},{key:"resetCell",value:function(e){this._lastMeasuredIndex=Math.min(this._lastMeasuredIndex,e-1)}},{key:"_binarySearch",value:function(e,t,n){for(;t<=e;){var r=t+Math.floor((e-t)/2),o=this.getSizeAndPositionOfCell(r).offset;if(o===n)return r;o<n?t=r+1:o>n&&(e=r-1)}return t>0?t-1:0}},{key:"_exponentialSearch",value:function(e,t){for(var n=1;e<this._cellCount&&this.getSizeAndPositionOfCell(e).offset<t;)e+=n,n*=2;return this._binarySearch(Math.min(e,this._cellCount-1),Math.floor(e/2),t)}},{key:"_findNearestCell",value:function(e){if(isNaN(e))throw Error("Invalid offset ".concat(e," specified"));e=Math.max(0,e);var t=this.getSizeAndPositionOfLastMeasuredCell(),n=Math.max(0,this._lastMeasuredIndex);return t.offset>=e?this._binarySearch(n,0,e):this._exponentialSearch(n,e)}}]),e}());t.default=l},1816:function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.getMaxElementSize=void 0;t.getMaxElementSize=function(){return"undefined"!=typeof window&&window.chrome?16777100:15e5}},1817:function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=function(){var e=!(arguments.length>0&&void 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