smart-table-scroll.min.js

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typeof value=="number"&&value>-1&&value%1==0&&value<=MAX_SAFE_INTEGER}function shimKeys(object){var props=keysIn(object),propsLength=props.length,length=propsLength&&object.length;var allowIndexes=!!length&&isLength(length)&&(isArray(object)||isArguments(object));var index=-1,result=[];while(++index<propsLength){var key=props[index];if(allowIndexes&&isIndex(key,length)||hasOwnProperty.call(object,key)){result.push(key)}}return result}function isObject(value){var type=typeof value;return!!value&&(type=="object"||type=="function")}var keys=!nativeKeys?shimKeys:function(object){var Ctor=object==null?undefined:object.constructor;if(typeof Ctor=="function"&&Ctor.prototype===object||typeof object!="function"&&isArrayLike(object)){return shimKeys(object)}return isObject(object)?nativeKeys(object):[]};function keysIn(object){if(object==null){return[]}if(!isObject(object)){object=Object(object)}var 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isObject(value)&&objToString.call(value)==funcTag}function isObject(value){var type=typeof value;return!!value&&(type=="object"||type=="function")}function isNative(value){if(value==null){return false}if(isFunction(value)){return reIsNative.test(fnToString.call(value))}return isObjectLike(value)&&reIsHostCtor.test(value)}module.exports=isArray},{}],16:[function(require,module,exports){"use strict";var _sortedIndex=require("lodash.sortedindex");var defaults={heightFn:function(){return 10},availableNodes:100};var ScrollableTable=function(opts){if(!opts.el){throw new Error("Need to pass `el` into ScrollableTable.")}if(!opts.data){throw new Error("Need to pass `data` into ScrollableTable.")}if(!opts.buildRow){throw new Error("Need to pass `buildRow` into ScrollableTable.")}if(!opts.updateRow){throw new Error("Need to pass `updateRow` into ScrollableTable.")}for(var key in defaults){this[key]=defaults[key]}for(var key in opts){this[key]=opts[key]}this.rowsWithNodes=[];this.tops=[];this.el.className=this.el.className+" sts-container";this.reset()};ScrollableTable.prototype.reset=function(){this.yPosition=0;this.setHeights();while(this.el.firstChild){this.el.remove(this.el.firstChild)}for(var ndx=0;ndx<this.data.length;ndx++){this.data[ndx].__node=null}this.rowsWithNodes=[];var nodesToBuild=Math.min(this.availableNodes,this.data.length);for(ndx=0;ndx<nodesToBuild;ndx++){var newRow=this.buildRow(this.data[ndx]);newRow.style.top=this.data[ndx].__top+"px";newRow.className=newRow.className+" sts-row";this.el.appendChild(newRow);this.rowsWithNodes.push(ndx);this.data[ndx].__node=newRow}this.bottomEl=document.createElement("div");this.bottomEl.className="sts-bottom-anchor";this.bottomEl.style.top=this.totalHeight+"px";this.el.appendChild(this.bottomEl);this.el.addEventListener("scroll",this.updateVisibleRows.bind(this))};ScrollableTable.prototype.updateVisibleRows=function(evt){if(this.isUpdating){return}this.isUpdating=true;var screenMidpoint=this.el.scrollTop+this.el.clientHeight/2,midNdx=_sortedIndex(this.tops,screenMidpoint),freeSearchNdx=0,fillStart=Math.max(0,midNdx-Math.ceil(this.availableNodes/2)),fillEnd=Math.min(this.data.length,midNdx+Math.ceil(this.availableNodes/2));if(this.lastMidNdx===midNdx){this.isUpdating=false;return}this.lastMidNdx=midNdx;for(var rowNdx=fillStart;rowNdx<fillEnd;rowNdx++){if(!this.data[rowNdx].__node){while(this.rowsWithNodes[freeSearchNdx]>fillStart&&this.rowsWithNodes[freeSearchNdx]<fillEnd){freeSearchNdx++}this.data[rowNdx].__node=this.data[this.rowsWithNodes[freeSearchNdx]].__node;this.updateRow(this.data[rowNdx],this.data[rowNdx].__node);this.data[rowNdx].__node.style.top=this.data[rowNdx].__top+"px";this.data[this.rowsWithNodes[freeSearchNdx]].__node=null;this.rowsWithNodes[freeSearchNdx]=rowNdx;freeSearchNdx++}}this.isUpdating=false};ScrollableTable.prototype.setHeights=function(){this.totalHeight=0;this.tops=[];for(var ndx=0;ndx<this.data.length;ndx++){this.data[ndx].__top=this.totalHeight;this.tops.push(this.totalHeight);this.totalHeight+=this.heightFn(this.data[ndx])}return this.totalHeight};ScrollableTable.prototype.updateData=function(newData){var oldNodes=[];var ndx,newNode;if(this.isUpdating){return}this.isUpdating=true;if(newData.length<this.rowsWithNodes.length){for(ndx=this.rowsWithNodes.length-1;ndx>=newData.length;ndx--){var node=this.data[this.rowsWithNodes[ndx]].__node;node.parentNode.removeChild(node);this.data[this.rowsWithNodes[ndx]].__node=null;this.rowsWithNodes.pop()}}for(ndx=0;ndx<Math.min(this.rowsWithNodes.length,newData.length);ndx++){oldNodes.push(this.data[this.rowsWithNodes[ndx]].__node);this.data[this.rowsWithNodes[ndx]].__node=null;this.rowsWithNodes[ndx]=ndx}if(oldNodes.length<newData.length&&oldNodes.length<this.availableNodes){for(ndx=oldNodes.length;ndx<Math.min(this.availableNodes,newData.length);ndx++){newNode=this.buildRow(newData[ndx]);newNode.className=newNode.className+" sts-row";this.el.appendChild(newNode);oldNodes.push(newNode);this.rowsWithNodes.push(ndx)}}this.data=newData;this.setHeights();for(ndx=0;ndx<oldNodes.length;ndx++){this.data[ndx].__node=oldNodes[ndx];this.updateRow(this.data[ndx],this.data[ndx].__node);this.data[ndx].__node.style.top=this.data[ndx].__top+"px"}this.bottomEl.style.top=this.totalHeight+"px";this.isUpdating=false;this.updateVisibleRows()};module.exports=ScrollableTable},{"lodash.sortedindex":1}]},{},[16])(16)});