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1
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-var bit_virtualized_list=function(){"use strict";var e,t="undefined"==typeof document?void 0:document,i=!!t&&"content"in t.createElement("template"),n=!!t&&t.createRange&&"createContextualFragment"in t.createRange();function o(e,t){var i,n,o=e.nodeName,r=t.nodeName;return o===r||(i=o.charCodeAt(0),n=r.charCodeAt(0),i<=90&&n>=97?o===r.toUpperCase():n<=90&&i>=97&&r===o.toUpperCase())}function r(e,t,i){e[i]!==t[i]&&(e[i]=t[i],e[i]?e.setAttribute(i,""):e.removeAttribute(i))}var a={OPTION:function(e,t){var i=e.parentNode;if(i){var n=i.nodeName.toUpperCase();"OPTGROUP"===n&&(n=(i=i.parentNode)&&i.nodeName.toUpperCase()),"SELECT"!==n||i.hasAttribute("multiple")||(e.hasAttribute("selected")&&!t.selected&&(e.setAttribute("selected","selected"),e.removeAttribute("selected")),i.selectedIndex=-1)}r(e,t,"selected")},INPUT:function(e,t){r(e,t,"checked"),r(e,t,"disabled"),e.value!==t.value&&(e.value=t.value),t.hasAttribute("value")||e.removeAttribute("value")},TEXTAREA:function(e,t){var i=t.value;e.value!==i&&(e.value=i);var n=e.firstChild;if(n){var o=n.nodeValue;if(o==i||!i&&o==e.placeholder)return;n.nodeValue=i}},SELECT:function(e,t){if(!t.hasAttribute("multiple")){for(var i,n,o=-1,r=0,a=e.firstChild;a;)if("OPTGROUP"===(n=a.nodeName&&a.nodeName.toUpperCase()))a=(i=a).firstChild;else{if("OPTION"===n){if(a.hasAttribute("selected")){o=r;break}r++}!(a=a.nextSibling)&&i&&(a=i.nextSibling,i=null)}e.selectedIndex=o}}};function s(){}function d(e){if(e)return e.getAttribute&&e.getAttribute("id")||e.id}var f=function(r,f,l){if(l||(l={}),"string"==typeof f)if("#document"===r.nodeName||"HTML"===r.nodeName||"BODY"===r.nodeName){var u=f;(f=t.createElement("html")).innerHTML=u}else h=(h=f).trim(),f=i?function(e){var i=t.createElement("template");return i.innerHTML=e,i.content.childNodes[0]}(h):n?function(i){return e||(e=t.createRange()).selectNode(t.body),e.createContextualFragment(i).childNodes[0]}(h):function(e){var i=t.createElement("body");return 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t=this.getSizeAndPositionOfLastMeasuredItem(),i=t.offset+t.size,n=this._lastMeasuredIndex+1;n<=e;n++){var o=this._itemSizeGetter({index:n});if(null==o||isNaN(o))throw Error("Invalid size returned for index "+n+" of value "+o);this._itemSizeAndPositionData[n]={offset:i,size:o},i+=o}this._lastMeasuredIndex=e}return this._itemSizeAndPositionData[e]},e.prototype.getSizeAndPositionOfLastMeasuredItem=function(){return this._lastMeasuredIndex>=0?this._itemSizeAndPositionData[this._lastMeasuredIndex]:{offset:0,size:0}},e.prototype.getTotalSize=function(){var e=this.getSizeAndPositionOfLastMeasuredItem();return e.offset+e.size+(this._itemCount-this._lastMeasuredIndex-1)*this._estimatedItemSize},e.prototype.getUpdatedOffsetForIndex=function(e){var t=e.align,i=void 0===t?"start":t,n=e.containerSize,o=e.targetIndex;if(n<=0)return 0;var r=this.getSizeAndPositionForIndex(o),a=r.offset,s=a-n+r.size,d=void 0;switch(i){case"end":d=s;break;case"center":d=a-(n-r.size)/2;break;default:d=a}var f=this.getTotalSize();return Math.max(0,Math.min(f-n,d))},e.prototype.getVisibleRange=function(e){var t=e.containerSize,i=e.offset,n=e.overscanCount;if(0===this.getTotalSize())return{};var o=i+t,r=this._findNearestItem(i),a=r,s=this.getSizeAndPositionForIndex(r);for(i=s.offset+s.size;i<o&&a<this._itemCount-1;)a++,i+=this.getSizeAndPositionForIndex(a).size;return n&&(r=Math.max(0,r-n),a=Math.min(a+n,this._itemCount)),{start:r,stop:a}},e.prototype.resetItem=function(e){this._lastMeasuredIndex=Math.min(this._lastMeasuredIndex,e-1)},e.prototype._binarySearch=function(e){for(var t=e.low,i=e.high,n=e.offset,o=void 0,r=void 0;t<=i;){if(o=t+Math.floor((i-t)/2),(r=this.getSizeAndPositionForIndex(o).offset)===n)return o;r<n?t=o+1:r>n&&(i=o-1)}if(t>0)return t-1},e.prototype._exponentialSearch=function(e){for(var t=e.index,i=e.offset,n=1;t<this._itemCount&&this.getSizeAndPositionForIndex(t).offset<i;)t+=n,n*=2;return this._binarySearch({high:Math.min(t,this._itemCount-1),low:Math.floor(t/2),offset:i})},e.prototype._findNearestItem=function(e){if(isNaN(e))throw Error("Invalid offset "+e+" specified");e=Math.max(0,e);var t=this.getSizeAndPositionOfLastMeasuredItem(),i=Math.max(0,this._lastMeasuredIndex);return t.offset>=e?this._binarySearch({high:i,low:0,offset:e}):this._exponentialSearch({index:i,offset:e})},e}(),u=function(){function e(t,i){var n=this;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.getRowHeight=function(e){var t=e.index,i=n.options.rowHeight;return"function"==typeof i?i(t):Array.isArray(i)?i[t]:i},this.container=t,this.options=i,this.state={},this._initializeSizeAndPositionManager(i.rowCount),this.render=this.render.bind(this),this.handleScroll=this.handleScroll.bind(this),this.componentDidMount()}return e.prototype.componentDidMount=function(){var e=this,t=this.options,i=t.onMount,n=t.initialScrollTop,o=t.initialIndex,r=t.height,a=n||null!=o&&this.getRowOffset(o)||0,s=this.inner=document.createElement("div"),d=this.content=document.createElement("div");s.setAttribute("style","position:relative; overflow:hidden; width:100%; min-height:100%; will-change: transform;"),d.setAttribute("style","position:absolute; top:0; left:0; height:100%; width:100%; overflow:visible;"),s.appendChild(d),this.container.appendChild(s),this.setState({offset:a,height:r},(function(){a&&(e.container.scrollTop=a),e.container.addEventListener("scroll",e.handleScroll),"function"==typeof i&&i()}))},e.prototype._initializeSizeAndPositionManager=function(e){this._sizeAndPositionManager=new l({itemCount:e,itemSizeGetter:this.getRowHeight,estimatedItemSize:this.options.estimatedRowHeight||100})},e.prototype.setState=function(){var e=this,t=arguments.length>0&&void 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1
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+var bit_virtualized_list=function(){"use strict";var e,t="undefined"==typeof document?void 0:document,i=!!t&&"content"in t.createElement("template"),n=!!t&&t.createRange&&"createContextualFragment"in t.createRange();function o(e,t){var i,n,o=e.nodeName,r=t.nodeName;return o===r||(i=o.charCodeAt(0),n=r.charCodeAt(0),i<=90&&n>=97?o===r.toUpperCase():n<=90&&i>=97&&r===o.toUpperCase())}function r(e,t,i){e[i]!==t[i]&&(e[i]=t[i],e[i]?e.setAttribute(i,""):e.removeAttribute(i))}var a={OPTION:function(e,t){var i=e.parentNode;if(i){var n=i.nodeName.toUpperCase();"OPTGROUP"===n&&(n=(i=i.parentNode)&&i.nodeName.toUpperCase()),"SELECT"!==n||i.hasAttribute("multiple")||(e.hasAttribute("selected")&&!t.selected&&(e.setAttribute("selected","selected"),e.removeAttribute("selected")),i.selectedIndex=-1)}r(e,t,"selected")},INPUT:function(e,t){r(e,t,"checked"),r(e,t,"disabled"),e.value!==t.value&&(e.value=t.value),t.hasAttribute("value")||e.removeAttribute("value")},TEXTAREA:function(e,t){var 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t=this.getSizeAndPositionOfLastMeasuredItem(),i=t.offset+t.size,n=this._lastMeasuredIndex+1;n<=e;n++){var o=this._itemSizeGetter({index:n});if(null==o||isNaN(o))throw Error("Invalid size returned for index "+n+" of value "+o);this._itemSizeAndPositionData[n]={offset:i,size:o},i+=o}this._lastMeasuredIndex=e}return this._itemSizeAndPositionData[e]},e.prototype.getSizeAndPositionOfLastMeasuredItem=function(){return this._lastMeasuredIndex>=0?this._itemSizeAndPositionData[this._lastMeasuredIndex]:{offset:0,size:0}},e.prototype.getTotalSize=function(){var e=this.getSizeAndPositionOfLastMeasuredItem();return e.offset+e.size+(this._itemCount-this._lastMeasuredIndex-1)*this._estimatedItemSize},e.prototype.getUpdatedOffsetForIndex=function(e){var t=e.align,i=void 0===t?"start":t,n=e.containerSize,o=e.targetIndex;if(n<=0)return 0;var r=this.getSizeAndPositionForIndex(o),a=r.offset,s=a-n+r.size,d=void 0;switch(i){case"end":d=s;break;case"center":d=a-(n-r.size)/2;break;default:d=a}var l=this.getTotalSize();return Math.max(0,Math.min(l-n,d))},e.prototype.getVisibleRange=function(e){var t=e.containerSize,i=e.offset,n=e.overscanCount;if(0===this.getTotalSize())return{};var o=i+t,r=this._findNearestItem(i),a=r,s=this.getSizeAndPositionForIndex(r);for(i=s.offset+s.size;i<o&&a<this._itemCount-1;)a++,i+=this.getSizeAndPositionForIndex(a).size;return n&&(r=Math.max(0,r-n),a=Math.min(a+n,this._itemCount)),{start:r,stop:a}},e.prototype.resetItem=function(e){this._lastMeasuredIndex=Math.min(this._lastMeasuredIndex,e-1)},e.prototype._binarySearch=function(e){for(var t=e.low,i=e.high,n=e.offset,o=void 0,r=void 0;t<=i;){if(o=t+Math.floor((i-t)/2),(r=this.getSizeAndPositionForIndex(o).offset)===n)return o;r<n?t=o+1:r>n&&(i=o-1)}if(t>0)return t-1},e.prototype._exponentialSearch=function(e){for(var t=e.index,i=e.offset,n=1;t<this._itemCount&&this.getSizeAndPositionForIndex(t).offset<i;)t+=n,n*=2;return this._binarySearch({high:Math.min(t,this._itemCount-1),low:Math.floor(t/2),offset:i})},e.prototype._findNearestItem=function(e){if(isNaN(e))throw Error("Invalid offset "+e+" specified");e=Math.max(0,e);var t=this.getSizeAndPositionOfLastMeasuredItem(),i=Math.max(0,this._lastMeasuredIndex);return t.offset>=e?this._binarySearch({high:i,low:0,offset:e}):this._exponentialSearch({index:i,offset:e})},e}(),u=function(){function e(t,i){var n=this;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.getRowHeight=function(e){var t=e.index,i=n.options.rowHeight;return"function"==typeof i?i(t):Array.isArray(i)?i[t]:i},this.container=t,this.options=i,this.state={},this._initializeSizeAndPositionManager(i.rowCount),this.render=this.render.bind(this),this.handleScroll=this.handleScroll.bind(this),this.componentDidMount()}return e.prototype.componentDidMount=function(){var e=this,t=this.options,i=t.onMount,n=t.initialScrollTop,o=t.initialIndex,r=t.height,a=n||null!=o&&this.getRowOffset(o)||0,s=this.inner=document.createElement("div"),d=this.content=document.createElement("div");s.setAttribute("style","position:relative; overflow:hidden; width:100%; min-height:100%; will-change: transform;"),d.setAttribute("style","position:absolute; top:0; left:0; height:100%; width:100%; overflow:visible;"),s.appendChild(d),this.container.appendChild(s),this.setState({offset:a,height:r},function(){a&&(e.container.scrollTop=a),e.container.addEventListener("scroll",e.handleScroll),"function"==typeof i&&i()})},e.prototype._initializeSizeAndPositionManager=function(e){this._sizeAndPositionManager=new f({itemCount:e,itemSizeGetter:this.getRowHeight,estimatedItemSize:this.options.estimatedRowHeight||100})},e.prototype.setState=function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=arguments[1];this.state=Object.assign(this.state,t),requestAnimationFrame(function(){e.render(),"function"==typeof i&&i()})},e.prototype.resize=function(e,t){this.setState({height:e},t)},e.prototype.handleScroll=function(e){var t=this.options.onScroll,i=this.container.scrollTop;this.setState({offset:i}),"function"==typeof t&&t(i,e)},e.prototype.getRowOffset=function(e){return this._sizeAndPositionManager.getSizeAndPositionForIndex(e).offset},e.prototype.scrollToIndex=function(e,t){var i=this.state.height,n=this._sizeAndPositionManager.getUpdatedOffsetForIndex({align:t,containerSize:i,targetIndex:e});this.container.scrollTop=n},e.prototype.setRowCount=function(e){this._initializeSizeAndPositionManager(e),this.render()},e.prototype.onRowsRendered=function(e){var t=this.options.onRowsRendered;"function"==typeof t&&t(e)},e.prototype.destroy=function(){this.container.removeEventListener("scroll",this.handleScroll),this.container.innerHTML=""},e.prototype.render=function(){for(var e=this.options,t=e.overscanCount,i=e.renderRow,n=this.state,o=n.height,r=n.offset,a=void 0===r?0:r,s=this._sizeAndPositionManager.getVisibleRange({containerSize:o,offset:a,overscanCount:t}),d=s.start,f=s.stop,u=document.createDocumentFragment(),h=d;h<=f;h++)u.appendChild(i(h));this.inner.style.height=this._sizeAndPositionManager.getTotalSize()+"px",this.content.style.top=this.getRowOffset(d)+"px",l(this.content,u,{childrenOnly:!0,getNodeKey:function(e){return e.nodeIndex}}),this.onRowsRendered({startIndex:d,stopIndex:f})},e}();return u}(); |
