3 lines
24 KiB
JavaScript
3 lines
24 KiB
JavaScript
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l="object"==typeof performance&&"function"==typeof performance.now?function(){return performance.now()}:function(){return Date.now()};function s(t){cancelAnimationFrame(t.id)}function c(t,e){var r=l();var o={id:requestAnimationFrame(function n(){l()-r>=e?t.call(null):o.id=requestAnimationFrame(n)})};return o}var u=-1;var f=null;function d(t){if(void 0===t&&(t=!1),null===f||t){var e=document.createElement("div"),r=e.style;r.width="50px",r.height="50px",r.overflow="scroll",r.direction="rtl";var o=document.createElement("div"),n=o.style;return n.width="100px",n.height="100px",e.appendChild(o),document.body.appendChild(e),e.scrollLeft>0?f="positive-descending":(e.scrollLeft=1,f=0===e.scrollLeft?"negative":"positive-ascending"),document.body.removeChild(e),f}return f}var h=150,m=function(t){var e=t.columnIndex;t.data;return t.rowIndex+":"+e};function p(t){var 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W=R;W<=y;W++)b.push(e.createElement(o,{columnIndex:W,data:f,isScrolling:M?_:void 0,key:h({columnIndex:W,data:f,rowIndex:P}),rowIndex:P,style:this._getItemStyle(P,W)}));var D=I(this.props,this._instanceProps),F=w(this.props,this._instanceProps);return e.createElement(p||g||"div",{className:n,onScroll:this._onScroll,ref:this._outerRefSetter,style:r({position:"relative",height:l,width:x,overflow:"auto",WebkitOverflowScrolling:"touch",willChange:"transform",direction:a},S)},e.createElement(c||u||"div",{children:b,ref:s,style:{height:D,pointerEvents:_?"none":void 0,width:F}}))},l._callPropsCallbacks=function(){var t=this.props,e=t.columnCount,r=t.onItemsRendered,o=t.onScroll,n=t.rowCount;if("function"==typeof r&&e>0&&n>0){var i=this._getHorizontalRangeToRender(),a=i[0],l=i[1],s=i[2],c=i[3],u=this._getVerticalRangeToRender(),f=u[0],d=u[1],h=u[2],m=u[3];this._callOnItemsRendered(a,l,f,d,s,c,h,m)}if("function"==typeof o){var p=this.state,g=p.horizontalScrollDirection,v=p.scrollLeft,S=p.scrollTop,I=p.scrollUpdateWasRequested,w=p.verticalScrollDirection;this._callOnScroll(v,S,g,w,I)}},l._getHorizontalRangeToRender=function(){var t=this.props,e=t.columnCount,r=t.overscanColumnCount,o=t.overscanColumnsCount,n=t.overscanCount,i=t.rowCount,a=this.state,l=a.horizontalScrollDirection,s=a.isScrolling,c=a.scrollLeft,u=r||o||n||1;if(0===e||0===i)return[0,0,0,0];var f=p(this.props,c,this._instanceProps),d=v(this.props,f,c,this._instanceProps),h=s&&"backward"!==l?1:Math.max(1,u),m=s&&"forward"!==l?1:Math.max(1,u);return[Math.max(0,f-h),Math.max(0,Math.min(e-1,d+m)),f,d]},l._getVerticalRangeToRender=function(){var t=this.props,e=t.columnCount,r=t.overscanCount,o=t.overscanRowCount,n=t.overscanRowsCount,i=t.rowCount,a=this.state,l=a.isScrolling,s=a.verticalScrollDirection,c=a.scrollTop,u=o||n||r||1;if(0===e||0===i)return[0,0,0,0];var f=R(this.props,c,this._instanceProps),d=y(this.props,f,c,this._instanceProps),h=l&&"backward"!==s?1:Math.max(1,u),m=l&&"forward"!==s?1:Math.max(1,u);return[Math.max(0,f-h),Math.max(0,Math.min(i-1,d+m)),f,d]},i}(e.PureComponent),i.defaultProps={direction:"ltr",itemData:void 0,useIsScrolling:!1},l}var g=function(t,e){t.children,t.direction,t.height,t.innerTagName,t.outerTagName,t.overscanColumnsCount,t.overscanCount,t.overscanRowsCount,t.width,e.instance},v=function(t,e){var r=t.rowCount,o=e.rowMetadataMap,n=e.estimatedRowHeight,i=e.lastMeasuredRowIndex,a=0;if(i>=r&&(i=r-1),i>=0){var l=o[i];a=l.offset+l.size}return a+(r-i-1)*n},S=function(t,e){var r=t.columnCount,o=e.columnMetadataMap,n=e.estimatedColumnWidth,i=e.lastMeasuredColumnIndex,a=0;if(i>=r&&(i=r-1),i>=0){var l=o[i];a=l.offset+l.size}return a+(r-i-1)*n},I=function(t,e,r,o){var n,i,a;if("column"===t?(n=o.columnMetadataMap,i=e.columnWidth,a=o.lastMeasuredColumnIndex):(n=o.rowMetadataMap,i=e.rowHeight,a=o.lastMeasuredRowIndex),r>a){var l=0;if(a>=0){var s=n[a];l=s.offset+s.size}for(var c=a+1;c<=r;c++){var u=i(c);n[c]={offset:l,size:u},l+=u}"column"===t?o.lastMeasuredColumnIndex=r:o.lastMeasuredRowIndex=r}return n[r]},w=function(t,e,r,o){var n,i;return"column"===t?(n=r.columnMetadataMap,i=r.lastMeasuredColumnIndex):(n=r.rowMetadataMap,i=r.lastMeasuredRowIndex),(i>0?n[i].offset:0)>=o?M(t,e,r,i,0,o):x(t,e,r,Math.max(0,i),o)},M=function(t,e,r,o,n,i){for(;n<=o;){var a=n+Math.floor((o-n)/2),l=I(t,e,a,r).offset;if(l===i)return a;l<i?n=a+1:l>i&&(o=a-1)}return n>0?n-1:0},x=function(t,e,r,o,n){for(var i="column"===t?e.columnCount:e.rowCount,a=1;o<i&&I(t,e,o,r).offset<n;)o+=a,a*=2;return M(t,e,r,Math.min(o,i-1),Math.floor(o/2),n)},_=function(t,e,r,o,n,i,a){var 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I("row",t,e,r).offset},getRowHeight:function(t,e,r){return r.rowMetadataMap[e].size},getRowStartIndexForOffset:function(t,e,r){return w("row",t,r,e)},getRowStopIndexForStartIndex:function(t,e,r,o){for(var n=t.rowCount,i=t.height,a=I("row",t,e,o),l=r+i,s=a.offset+a.size,c=e;c<n-1&&s<l;)s+=I("row",t,++c,o).size;return c},initInstanceProps:function(t,e){var r=t,o={columnMetadataMap:{},estimatedColumnWidth:r.estimatedColumnWidth||50,estimatedRowHeight:r.estimatedRowHeight||50,lastMeasuredColumnIndex:-1,lastMeasuredRowIndex:-1,rowMetadataMap:{}};return e.resetAfterColumnIndex=function(t,r){void 0===r&&(r=!0),e.resetAfterIndices({columnIndex:t,shouldForceUpdate:r})},e.resetAfterRowIndex=function(t,r){void 0===r&&(r=!0),e.resetAfterIndices({rowIndex:t,shouldForceUpdate:r})},e.resetAfterIndices=function(t){var r=t.columnIndex,n=t.rowIndex,i=t.shouldForceUpdate,a=void 0===i||i;"number"==typeof r&&(o.lastMeasuredColumnIndex=Math.min(o.lastMeasuredColumnIndex,r-1)),"number"==typeof n&&(o.lastMeasuredRowIndex=Math.min(o.lastMeasuredRowIndex,n-1)),e._getItemStyleCache(-1),a&&e.forceUpdate()},o},shouldResetStyleCacheOnItemSizeChange:!1,validateProps:function(t){t.columnWidth,t.rowHeight}}),R=150,y=function(t,e){return t};function T(t){var i,l,u=t.getItemOffset,f=t.getEstimatedTotalSize,h=t.getItemSize,m=t.getOffsetForIndexAndAlignment,p=t.getStartIndexForOffset,g=t.getStopIndexForStartIndex,v=t.initInstanceProps,S=t.shouldResetStyleCacheOnItemSizeChange,I=t.validateProps;return l=i=function(t){function i(e){var r;return(r=t.call(this,e)||this)._instanceProps=v(r.props,n(n(r))),r._outerRef=void 0,r._resetIsScrollingTimeoutId=null,r.state={instance:n(n(r)),isScrolling:!1,scrollDirection:"forward",scrollOffset:"number"==typeof r.props.initialScrollOffset?r.props.initialScrollOffset:0,scrollUpdateWasRequested:!1},r._callOnItemsRendered=void 0,r._callOnItemsRendered=a(function(t,e,o,n){return r.props.onItemsRendered({overscanStartIndex:t,overscanStopIndex:e,visibleStartIndex:o,visibleStopIndex:n})}),r._callOnScroll=void 0,r._callOnScroll=a(function(t,e,o){return r.props.onScroll({scrollDirection:t,scrollOffset:e,scrollUpdateWasRequested:o})}),r._getItemStyle=void 0,r._getItemStyle=function(t){var e,o=r.props,n=o.direction,i=o.itemSize,a=o.layout,l=r._getItemStyleCache(S&&i,S&&a,S&&n);if(l.hasOwnProperty(t))e=l[t];else{var s,c=u(r.props,t,r._instanceProps),f=h(r.props,t,r._instanceProps),d="horizontal"===n||"horizontal"===a;l[t]=((s={position:"absolute"})["rtl"===n?"right":"left"]=d?c:0,s.top=d?0:c,s.height=d?"100%":f,s.width=d?f:"100%",e=s)}return e},r._getItemStyleCache=void 0,r._getItemStyleCache=a(function(t,e,r){return{}}),r._onScrollHorizontal=function(t){var e=t.currentTarget,o=e.clientWidth,n=e.scrollLeft,i=e.scrollWidth;r.setState(function(t){if(t.scrollOffset===n)return null;var e=r.props.direction,a=n;if("rtl"===e)switch(d()){case"negative":a=-n;break;case"positive-descending":a=i-o-n}return a=Math.max(0,Math.min(a,i-o)),{isScrolling:!0,scrollDirection:t.scrollOffset<n?"forward":"backward",scrollOffset:a,scrollUpdateWasRequested:!1}},r._resetIsScrollingDebounced)},r._onScrollVertical=function(t){var e=t.currentTarget,o=e.clientHeight,n=e.scrollHeight,i=e.scrollTop;r.setState(function(t){if(t.scrollOffset===i)return null;var e=Math.max(0,Math.min(i,n-o));return{isScrolling:!0,scrollDirection:t.scrollOffset<e?"forward":"backward",scrollOffset:e,scrollUpdateWasRequested:!1}},r._resetIsScrollingDebounced)},r._outerRefSetter=function(t){var e=r.props.outerRef;r._outerRef=t,"function"==typeof e?e(t):null!=e&&"object"==typeof e&&e.hasOwnProperty("current")&&(e.current=t)},r._resetIsScrollingDebounced=function(){null!==r._resetIsScrollingTimeoutId&&s(r._resetIsScrollingTimeoutId),r._resetIsScrollingTimeoutId=c(r._resetIsScrolling,R)},r._resetIsScrolling=function(){r._resetIsScrollingTimeoutId=null,r.setState({isScrolling:!1},function(){r._getItemStyleCache(-1,null)})},r}o(i,t),i.getDerivedStateFromProps=function(t,e){return O(t,e),I(t),null};var l=i.prototype;return l.scrollTo=function(t){t=Math.max(0,t),this.setState(function(e){return e.scrollOffset===t?null:{scrollDirection:e.scrollOffset<t?"forward":"backward",scrollOffset:t,scrollUpdateWasRequested:!0}},this._resetIsScrollingDebounced)},l.scrollToItem=function(t,e){void 0===e&&(e="auto");var r=this.props.itemCount,o=this.state.scrollOffset;t=Math.max(0,Math.min(t,r-1)),this.scrollTo(m(this.props,t,e,o,this._instanceProps))},l.componentDidMount=function(){var t=this.props,e=t.direction,r=t.initialScrollOffset,o=t.layout;if("number"==typeof r&&null!=this._outerRef){var n=this._outerRef;"horizontal"===e||"horizontal"===o?n.scrollLeft=r:n.scrollTop=r}this._callPropsCallbacks()},l.componentDidUpdate=function(){var t=this.props,e=t.direction,r=t.layout,o=this.state,n=o.scrollOffset;if(o.scrollUpdateWasRequested&&null!=this._outerRef){var i=this._outerRef;if("horizontal"===e||"horizontal"===r)if("rtl"===e)switch(d()){case"negative":i.scrollLeft=-n;break;case"positive-ascending":i.scrollLeft=n;break;default:var a=i.clientWidth,l=i.scrollWidth;i.scrollLeft=l-a-n}else i.scrollLeft=n;else i.scrollTop=n}this._callPropsCallbacks()},l.componentWillUnmount=function(){null!==this._resetIsScrollingTimeoutId&&s(this._resetIsScrollingTimeoutId)},l.render=function(){var t=this.props,o=t.children,n=t.className,i=t.direction,a=t.height,l=t.innerRef,s=t.innerElementType,c=t.innerTagName,u=t.itemCount,d=t.itemData,h=t.itemKey,m=void 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