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  * MIT License
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module&&module.exports?module.exports=e(require("outlayer"),require("get-size")):t.Masonry=e(t.Outlayer,t.getSize)}(window,function(t,e){var i=t.create("masonry");return i.compatOptions.fitWidth="isFitWidth",i.prototype._resetLayout=function(){this.getSize(),this._getMeasurement("columnWidth","outerWidth"),this._getMeasurement("gutter","outerWidth"),this.measureColumns(),this.colYs=[];for(var t=0;t<this.cols;t++)this.colYs.push(0);this.maxY=0},i.prototype.measureColumns=function(){if(this.getContainerWidth(),!this.columnWidth){var t=this.items[0],i=t&&t.element;this.columnWidth=i&&e(i).outerWidth||this.containerWidth}var n=this.columnWidth+=this.gutter,o=this.containerWidth+this.gutter,r=o/n,s=n-o%n,a=s&&1>s?"round":"floor";r=Math[a](r),this.cols=Math.max(r,1)},i.prototype.getContainerWidth=function(){var t=this._getOption("fitWidth"),i=t?this.element.parentNode:this.element,n=e(i);this.containerWidth=n&&n.innerWidth},i.prototype._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth%this.columnWidth,i=e&&1>e?"round":"ceil",n=Math[i](t.size.outerWidth/this.columnWidth);n=Math.min(n,this.cols);for(var o=this._getColGroup(n),r=Math.min.apply(Math,o),s=o.indexOf(r),a={x:this.columnWidth*s,y:r},h=r+t.size.outerHeight,u=this.cols+1-o.length,d=0;u>d;d++)this.colYs[s+d]=h;return a},i.prototype._getColGroup=function(t){if(2>t)return this.colYs;for(var e=[],i=this.cols+1-t,n=0;i>n;n++){var o=this.colYs.slice(n,n+t);e[n]=Math.max.apply(Math,o)}return e},i.prototype._manageStamp=function(t){var i=e(t),n=this._getElementOffset(t),o=this._getOption("originLeft"),r=o?n.left:n.right,s=r+i.outerWidth,a=Math.floor(r/this.columnWidth);a=Math.max(0,a);var h=Math.floor(s/this.columnWidth);h-=s%this.columnWidth?0:1,h=Math.min(this.cols-1,h);for(var u=this._getOption("originTop"),d=(u?n.top:n.bottom)+i.outerHeight,c=a;h>=c;c++)this.colYs[c]=Math.max(d,this.colYs[c])},i.prototype._getContainerSize=function(){this.maxY=Math.max.apply(Math,this.colYs);var t={height:this.maxY};return this._getOption("fitWidth")&&(t.width=this._getContainerFitWidth()),t},i.prototype._getContainerFitWidth=function(){for(var t=0,e=this.cols;--e&&0===this.colYs[e];)t++;return(this.cols-t)*this.columnWidth-this.gutter},i.prototype.needsResizeLayout=function(){var t=this.containerWidth;return this.getContainerWidth(),t!=this.containerWidth},i});