diff --git a/jquery.row-grid.js b/jquery.row-grid.js
index 45bffda..3c5be8b 100644
--- a/jquery.row-grid.js
+++ b/jquery.row-grid.js
@@ -1,4 +1,22 @@
-(function($){
+/*!
+ * rowGrid.js
+ *
+ * Author: Bruno Joseph
+ * https://github.com/brunjo
+ * Licensed under the MIT license.
+ */
+; (function (factory) {
+	if (typeof define === "function" && define.amd) {
+		// AMD. Register as an anonymous module depending on jQuery.
+		define(["jquery"], factory);
+	} else if (typeof exports === "object") {
+		// Node/CommonJS
+		module.exports = factory(require("jquery"));
+	} else {
+		// No AMD. Register plugin with global jQuery object.
+		factory(jQuery);
+	}
+})(function ($) {
   $.fn.rowGrid = function( options ) {
     return this.each(function() {
       var $this = $(this);
@@ -137,4 +155,4 @@
       }
     }
   }
-})(jQuery);
+});
diff --git a/jquery.row-grid.min.js b/jquery.row-grid.min.js
index 385b829..ae9a837 100644
--- a/jquery.row-grid.min.js
+++ b/jquery.row-grid.min.js
@@ -1,5 +1 @@
-(function(l){function m(d,a,f){var p=0,e=[];f=jQuery.makeArray(f||d.querySelectorAll(a.itemSelector));var q=f.length,g=d.getBoundingClientRect();d=Math.floor(g.right-g.left)-parseFloat(l(d).css("padding-left"))-parseFloat(l(d).css("padding-right"));g=[];for(var c,h,n,b=0;b<q;++b)(c=f[b].getElementsByTagName("img")[0])?((h=parseInt(c.getAttribute("width")))||c.setAttribute("width",h=c.offsetWidth),(n=parseInt(c.getAttribute("height")))||c.setAttribute("height",n=c.offsetHeight),g[b]={width:h,height:n}):
-(f.splice(b,1),--b,--q);q=f.length;for(c=0;c<q;++c){f[c].classList?(f[c].classList.remove(a.firstItemClass),f[c].classList.remove(a.lastItemClass),f[c].classList.remove(a.lastRowClass)):f[c].className=f[c].className.replace(new RegExp("(^|\\b)"+a.firstItemClass+"|"+a.lastItemClass+"|"+a.lastRowClass+"(\\b|$)","gi")," ");p+=g[c].width;e.push(f[c]);if(c===q-1)for(b=0;b<e.length;b++)0===b&&(e[b].className+=" "+a.lastRowClass),e[b].style.cssText="width: "+g[c+parseInt(b)-e.length+1].width+"px;height: "+
-g[c+parseInt(b)-e.length+1].height+"px;margin-right:"+(b<e.length-1?a.minMargin+"px":0);if(p+a.maxMargin*(e.length-1)>d){h=p+a.maxMargin*(e.length-1)-d;b=e.length;(a.maxMargin-a.minMargin)*(b-1)<h?(n=a.minMargin,h-=(a.maxMargin-a.minMargin)*(b-1)):(n=a.maxMargin-h/(b-1),h=0);var m=0;for(b=0;b<e.length;b++){var r=e[b];var t=g[c+parseInt(b)-e.length+1].width,k=t-t/p*h;t=Math.round(g[c+parseInt(b)-e.length+1].height*(k/t));.5<=m+1-k%1?(m-=k%1,k=Math.floor(k)):(m+=1-k%1,k=Math.ceil(k));r.style.cssText=
-"width: "+k+"px;height: "+t+"px;margin-right: "+(b<e.length-1?n:0)+"px";0===b&&(r.className+=" "+a.firstItemClass);b==e.length-1&&(r.className+=" "+a.lastItemClass)}e=[];p=0}}}l.fn.rowGrid=function(d){return this.each(function(){var a=l(this);if("appended"===d)d=a.data("grid-options"),a=a.children("."+d.lastRowClass),a=a.nextAll(d.itemSelector).add(a),m(this,d,a);else if(d=l.extend({},l.fn.rowGrid.defaults,d),a.data("grid-options",d),m(this,d),d.resize)l(window).on("resize.rowGrid",{container:this},
-function(a){m(a.data.container,d)})})};l.fn.rowGrid.defaults={minMargin:null,maxMargin:null,resize:!0,lastRowClass:"last-row",firstItemClass:null,lastItemClass:null}})(jQuery);
\ No newline at end of file
+(function(factory){if(typeof define==="function"&&define.amd){define(["jquery"],factory)}else if(typeof exports==="object"){module.exports=factory(require("jquery"))}else{factory(jQuery)}})(function($){$.fn.rowGrid=function(options){return this.each(function(){var $this=$(this);if(options==="appended"){options=$this.data("grid-options");var $lastRow=$this.children("."+options.lastRowClass);var items=$lastRow.nextAll(options.itemSelector).add($lastRow);layout(this,options,items)}else{options=$.extend({},$.fn.rowGrid.defaults,options);$this.data("grid-options",options);layout(this,options);if(options.resize){$(window).on("resize.rowGrid",{container:this},function(event){layout(event.data.container,options)})}}})};$.fn.rowGrid.defaults={minMargin:null,maxMargin:null,resize:true,lastRowClass:"last-row",firstItemClass:null,lastItemClass:null};function layout(container,options,items){var rowWidth=0,rowElems=[],items=jQuery.makeArray(items||container.querySelectorAll(options.itemSelector)),itemsSize=items.length;var containerBoundingRect=container.getBoundingClientRect();var containerWidth=Math.floor(containerBoundingRect.right-containerBoundingRect.left)-parseFloat($(container).css("padding-left"))-parseFloat($(container).css("padding-right"));var itemAttrs=[];var theImage,w,h;for(var i=0;i<itemsSize;++i){theImage=items[i].getElementsByTagName("img")[0];if(!theImage){items.splice(i,1);--i;--itemsSize;continue}if(!(w=parseInt(theImage.getAttribute("width")))){theImage.setAttribute("width",w=theImage.offsetWidth)}if(!(h=parseInt(theImage.getAttribute("height")))){theImage.setAttribute("height",h=theImage.offsetHeight)}itemAttrs[i]={width:w,height:h}}itemsSize=items.length;for(var index=0;index<itemsSize;++index){if(items[index].classList){items[index].classList.remove(options.firstItemClass);items[index].classList.remove(options.lastItemClass);items[index].classList.remove(options.lastRowClass)}else{items[index].className=items[index].className.replace(new RegExp("(^|\\b)"+options.firstItemClass+"|"+options.lastItemClass+"|"+options.lastRowClass+"(\\b|$)","gi")," ")}rowWidth+=itemAttrs[index].width;rowElems.push(items[index]);if(index===itemsSize-1){for(var rowElemIndex=0;rowElemIndex<rowElems.length;rowElemIndex++){if(rowElemIndex===0){rowElems[rowElemIndex].className+=" "+options.lastRowClass}rowElems[rowElemIndex].style.cssText="width: "+itemAttrs[index+parseInt(rowElemIndex)-rowElems.length+1].width+"px;"+"height: "+itemAttrs[index+parseInt(rowElemIndex)-rowElems.length+1].height+"px;"+"margin-right:"+(rowElemIndex<rowElems.length-1?options.minMargin+"px":0)}}if(rowWidth+options.maxMargin*(rowElems.length-1)>containerWidth){var diff=rowWidth+options.maxMargin*(rowElems.length-1)-containerWidth;var nrOfElems=rowElems.length;var maxSave=(options.maxMargin-options.minMargin)*(nrOfElems-1);if(maxSave<diff){var rowMargin=options.minMargin;diff-=(options.maxMargin-options.minMargin)*(nrOfElems-1)}else{var rowMargin=options.maxMargin-diff/(nrOfElems-1);diff=0}var rowElem,widthDiff=0;for(var rowElemIndex=0;rowElemIndex<rowElems.length;rowElemIndex++){rowElem=rowElems[rowElemIndex];var rowElemWidth=itemAttrs[index+parseInt(rowElemIndex)-rowElems.length+1].width;var newWidth=rowElemWidth-rowElemWidth/rowWidth*diff;var newHeight=Math.round(itemAttrs[index+parseInt(rowElemIndex)-rowElems.length+1].height*(newWidth/rowElemWidth));if(widthDiff+1-newWidth%1>=.5){widthDiff-=newWidth%1;newWidth=Math.floor(newWidth)}else{widthDiff+=1-newWidth%1;newWidth=Math.ceil(newWidth)}rowElem.style.cssText="width: "+newWidth+"px;"+"height: "+newHeight+"px;"+"margin-right: "+(rowElemIndex<rowElems.length-1?rowMargin:0)+"px";if(rowElemIndex===0){rowElem.className+=" "+options.firstItemClass}if(rowElemIndex==rowElems.length-1){rowElem.className+=" "+options.lastItemClass}}rowElems=[],rowWidth=0}}}});
\ No newline at end of file
diff --git a/package.json b/package.json
index 75bd915..4e7b9ef 100644
--- a/package.json
+++ b/package.json
@@ -24,5 +24,8 @@
   "homepage": "https://github.com/brunjo/rowGrid.js",
   "dependencies" : {
     "jquery": ">=1.7.0"
+  },
+  "scripts":{
+    "compress" : "uglifyjs jquery.row-grid.js -o jquery.row-grid.min.js"
   }
 }