diff --git a/dist/pdfjs-viewer.compress.js b/dist/pdfjs-viewer.compress.js
new file mode 100644
index 0000000..5dab4db
--- /dev/null
+++ b/dist/pdfjs-viewer.compress.js
@@ -0,0 +1,2 @@
+/* Copyright 2021 Carlos A. (https://github.com/dealfonso); License: http://www.apache.org/licenses/LICENSE-2.0 */
+!function(exports,$){if(void 0===$)console.error("jQuery-like library not available");else{let defaults={visibleThreshold:.5,extraPagesToLoad:3,pageClass:"pdfpage",contentClass:"content-wrapper",onDocumentReady:()=>{},onNewPage:(t,e)=>{},onPageRender:(t,e)=>{},zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],onZoomChange:t=>{},onActivePageChanged:(t,e)=>{},zoomFillArea:.95,emptyContent:()=>$('<div class="loader"></div>'),renderingScale:1.5};class Zoomer{constructor(t,e={}){this.current=1,this.viewer=t,this.settings=Object.assign({},{zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],fillArea:.9},e),this.settings.zoomValues=this.settings.zoomValues.sort()}get(e=null){if(null===e)return this.current;if(parseFloat(e)!=e){var i=this.viewer.getActivePage();let t=[];switch(e){case"in":e=this.current,0<(t=this.settings.zoomValues.filter(t=>e<t)).length&&(e=Math.min(...t));break;case"out":e=this.current,0<(t=this.settings.zoomValues.filter(t=>t<e)).length&&(e=Math.max(...t));break;case"fit":e=Math.min(this.get("width"),this.get("height"));break;case"width":e=this.settings.fillArea*this.viewer.$container.width()/i.data("width");break;case"height":e=this.settings.fillArea*this.viewer.$container.height()/i.data("height");break;default:e=this.current}}return e}zoomPages(s){s=this.get(s),this.viewer.getPages().forEach(function(t){var t=t.$div,e=t.data("width"),i=t.data("height");t.width(e*s).height(i*s),t.data("zoom",s),t.find("."+this.viewer.settings.contentClass).width(e*s).height(i*s)}.bind(this)),this.current=s}}class PDFjsViewer{version="2.0.0";constructor(t,e={}){this.settings=Object.assign({},defaults,e),this._zoom=new Zoomer(this,{zoomValues:this.settings.zoomValues,fillArea:this.settings.zoomFillArea}),t=$(t),((this.$container=t).get(0)._pdfjsViewer=this)._setScrollListener(),this.pages=[],this.pdf=null,this._documentReady=!1}setZoom(t){var e=this.$container.get(0),i=this._zoom.current,s=e.scrollTop,a=e.scrollLeft;return this._zoom.zoomPages(t),e.scrollLeft=a*this._zoom.current/i,e.scrollTop=s*this._zoom.current/i,this._visiblePages(!0),this._documentReady&&("function"==typeof this.settings.onZoomChange&&this.settings.onZoomChange.call(this,this._zoom.current),this.$container.get(0).dispatchEvent(new CustomEvent("zoomchange",{detail:{zoom:this._zoom.current}}))),this._zoom.current}getZoom(){return this._zoom.current}_cleanPage(t){var e=this.settings.emptyContent();t.find("."+this.settings.contentClass).html("").append(e)}_setPageContent(t,e){t.find("."+this.settings.contentClass).html("").append(e)}refreshAll(){this._visiblePages(!0)}_setScrollListener(){let i=!1,s={top:0,left:0};this.__scrollHandler=function(t){var e;!0!==i&&(i=!0,e=this.$container.get(0),(Math.abs(e.scrollTop-s.top)>.2*e.clientHeight*this._zoom.current||Math.abs(e.scrollLeft-s.left)>.2*e.clientWidth*this._zoom.current)&&(s={top:e.scrollTop,left:e.scrollLeft},this._visiblePages()),i=!1)}.bind(this),this.$container.off("scroll"),this.$container.on("scroll",this.__scrollHandler)}_createSkeleton(t,e){var i={$div:null,width:0,height:0,loaded:!1},s=(void 0!==t.getViewport?(s=t.getViewport({rotation:this._rotation,scale:1}),i.width=s.width,i.height=s.height,i.loaded=!0):(i.width=t.width,i.height=t.height),console.assert(0<i.width&&0<i.height,"Page width and height must be greater than 0"),i.$div=$(`<div id="page-${e}">`).attr("data-page",e).data("width",i.width).data("height",i.height).data("zoom",this._zoom.current).addClass(this.settings.pageClass).width(i.width*this._zoom.current).height(i.height*this._zoom.current),$(`<div class="${this.settings.contentClass}">`).width(i.width).height(i.height));return i.$div.append(s),this._cleanPage(i.$div),i}_placeSkeleton(t,e){let i=e-1,s=null;for(;0<i&&0===(s=this.$container.find(`.${this.settings.pageClass}[data-page="${i}"]`)).length;)i--;0===i?this.$container.append(t.$div):s.after(t.$div)}_createSkeletons(e){for(let t=1;t<=this.pageCount;t++)void 0===this.pages[t]&&(e=this._createSkeleton(e,t),this.pages[t]=e,this._placeSkeleton(e,t),"function"==typeof this.settings.onNewPage&&this.settings.onNewPage.call(this,e.$div.get(0),t),this.$container.get(0).dispatchEvent(new CustomEvent("newpage",{detail:{pageNumber:t,page:e.$div.get(0)}})))}_setActivePage(e){if(this._activePage!==e){this._activePage=e;let t=this.getActivePage();this._documentReady&&(t=null==t?null:t.get(0),"function"==typeof this.settings.onActivePageChanged&&this.settings.onActivePageChanged.call(this,t,e),this.$container.get(0).dispatchEvent(new CustomEvent("activepagechanged",{detail:{activePageNumber:e,activePage:t}})))}}_areaOfPageVisible(t){var e,i,s,a,n;return void 0===t?0:(s=this.$container.offset(),e=this.$container.width(),a=this.$container.height(),(i=t.offset()).top-=s.top,i.left-=s.left,i.bottom=i.top+t.outerHeight(),i.right=i.left+t.outerWidth(),s=Math.min(Math.max(i.top,0),a),a=Math.min(Math.max(t.outerHeight()+i.top,0),a),n=Math.min(Math.max(i.left,0),e),(Math.min(Math.max(t.outerWidth()+i.left,0),e)-n)*(a-s))}isPageVisible(t){if(null===this.pdf||null==t||t<1||t>this.pdf.numPages)return!1;let e=t="string"==typeof t?parseInt(t):t;if("number"==typeof t){if(void 0===this.pages[t])return!1;e=this.pages[t].$div}return this._areaOfPageVisible(e)>e.outerWidth()*e.outerHeight()*this.settings.visibleThreshold}_visiblePages(i=!1){let s=0,a=null;if(0===this.pages.length)this._visibles=[],this._setActivePage(0);else{var n=this.pages.filter(function(t){var e=this._areaOfPageVisible(t.$div);return e>s&&(s=e,a=t.$div.data("page")),0<e}.bind(this)).map(t=>t.$div);this._setActivePage(a);let e=n.map(t=>parseInt($(t).data("page")));if(0<e.length){var o=Math.min(...e),h=Math.max(...e);for(let t=Math.max(1,o-this.settings.extraPagesToLoad);t<o;t++)e.includes(t)||e.push(t);for(let t=h+1;t<=Math.min(h+this.settings.extraPagesToLoad,this.pdf.numPages);t++)e.includes(t)||e.push(t)}let t=e;i||(t=e.filter(function(t){return!this._visibles.includes(t)}.bind(this))),this._visibles.filter(function(t){return!e.includes(t)}).forEach(function(t){this._cleanPage(this.pages[t].$div)}.bind(this)),this._visibles=e,this.loadPages(...t)}}loadPages(...t){this._pagesLoading.push(...t),this._loading||this._loadingTask()}_loadingTask(){if(this._loading=!0,0<this._pagesLoading.length){let e=this._pagesLoading.shift();this.pdf.getPage(e).then(function(t){this._renderPage(t,e)}.bind(this)).then(function(t){0<this._pagesLoading.length&&this._loadingTask()}.bind(this))}this._loading=!1}scrollToPage(t){var e,i;0!==this.pages.length&&void 0!==this.pages[t]&&(0===(e=this.pages[t].$div).length?console.warn(`Page ${t} not found`):(e=e.position(),i=this.$container.position(),void 0!==e&&(this.$container.get(0).scrollTop=this.$container.get(0).scrollTop+e.top-i.top,this.$container.get(0).scrollLeft=this.$container.get(0).scrollLeft+e.left-i.left),this._setActivePage(t)))}_renderPage(t,e){let i=this.pages[e];var s=this.settings.renderingScale,a=window.devicePixelRatio||1,n=t.getViewport({rotation:this._rotation,scale:this._zoom.current*s});i.width=n.width/this._zoom.current/s,i.height=n.height/this._zoom.current/s,i.$div.data("width",i.width),i.$div.data("height",i.height),i.$div.width(i.width*this._zoom.current),i.$div.height(i.height*this._zoom.current),i.loaded=!0;let o=$("<canvas></canvas>");var s=o.get(0),h=s.getContext("2d");return s.height=n.height*a,s.width=n.width*a,s.getContext("2d"),t.render({canvasContext:h,viewport:n,transform:1!==a?[a,0,0,a,0,0]:null}).promise.then(function(){return this._setPageContent(i.$div,o),this._documentReady&&("function"==typeof this.settings.onPageRender&&this.settings.onPageRender.call(this,i.$div.get(0),e),this.$container.get(0).dispatchEvent(new CustomEvent("pagerender",{detail:{pageNumber:e,page:i.$div.get(0)}}))),i}.bind(this))}getActivePage(){return null===this._activePage||null===this.pdf||this._activePage<1||this._activePage>this.pdf.numPages?null:this.pages[this._activePage].$div}getPages(){return this.pages}getPageCount(){return null===this.pdf?0:this.pdf.numPages}next(){this._activePage<this.pdf.numPages&&this.scrollToPage(this._activePage+1)}prev(){1<this._activePage&&this.scrollToPage(this._activePage-1)}first(){1!==this._activePage&&this.scrollToPage(1)}last(){null!==this.pdf&&this._activePage!==this.pdf.numPages&&this.scrollToPage(this.pdf.numPages)}rotate(t,e=!1){e&&(t+=this._rotation),this._rotation=t;let i=this.$container.get(0),s={top:i.scrollTop,left:i.scrollLeft,height:i.scrollHeight,width:i.scrollWidth};return this.forceViewerInitialization().then(function(){i.scrollTop,i.scrollLeft;var t=i.scrollHeight,e=i.scrollWidth;i.scrollTop=s.top*(t/s.height),i.scrollLeft=s.left*(e/s.width)}.bind(this))}forceViewerInitialization(){return this.pages=[],this.$container.find("."+this.settings.pageClass).remove(),this._pagesLoading=[],this._loading=!1,this._visibles=[],this._activePage=null,this.pdf.getPage(1).then(function(t){this._createSkeletons(t),this._visiblePages(),this._setActivePage(1)}.bind(this))}async loadDocument(t){return this._documentReady=!1,this.pages=[],this.$container.find("."+this.settings.pageClass).remove(),this.pdf=null,pdfjsLib.getDocument(t).promise.then(function(t){return this.pdf=t,this.pageCount=t.numPages,this._rotation=0,this.forceViewerInitialization()}.bind(this)).then(function(){"function"==typeof this.settings.onDocumentReady&&this.settings.onDocumentReady.call(this),this.$container.get(0).dispatchEvent(new CustomEvent("documentready",{detail:{document:this.pdf}})),this._setActivePage(0),this._documentReady=!0,this._setActivePage(1)}.bind(this))}}function recoverAttributes(target,attributeDefaults){const camelcaseToSnakecase=t=>t.replace(/[A-Z]/g,t=>"-"+t.toLowerCase());let $target=$(target),result={};if(0<$target.length)for(var originalAttributeName in $target=$($target[0]),attributeDefaults){let attributeName=camelcaseToSnakecase(originalAttributeName),attributeValue=$target.attr(attributeName);if(null!=attributeValue){switch(typeof attributeDefaults[originalAttributeName]){case"float":try{attributeValue=parseFloat(attributeValue)}catch(_){}break;case"number":try{attributeValue=parseInt(attributeValue)}catch(_){}break;case"function":let functionString=attributeValue;attributeValue=function(){eval(functionString)}.bind(target[0])}result[originalAttributeName]=attributeValue}}return result}function init(e){let i=recoverAttributes(e,Object.assign({pdfDocument:"",initialZoom:""},defaults));if(null!=i.pdfDocument){let t=new PDFjsViewer($(e),i);t.loadDocument(i.pdfDocument).then(function(){null!=i.initialZoom&&t.setZoom(i.initialZoom)}),e.get(0).pdfViewer=t}}$(function(){$(".pdfjs-viewer").each(function(){init($(this))})}),exports.PDFjsViewer=PDFjsViewer}}(window,window._$??window.jQuery??void 0);
\ No newline at end of file
diff --git a/dist/pdfjs-viewer.compress.js.map b/dist/pdfjs-viewer.compress.js.map
new file mode 100644
index 0000000..f998fe7
--- /dev/null
+++ b/dist/pdfjs-viewer.compress.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"pdfjs-viewer.compress.js.map","sources":["pdfjs-viewer.js"],"sourcesContent":["/**\n   Copyright 2021 Carlos A. (https://github.com/dealfonso)\n\n   Licensed under the Apache License, Version 2.0 (the \"License\");\n   you may not use this file except in compliance with the License.\n   You may obtain a copy of the License at\n\n       http://www.apache.org/licenses/LICENSE-2.0\n\n   Unless required by applicable law or agreed to in writing, software\n   distributed under the License is distributed on an \"AS IS\" BASIS,\n   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   See the License for the specific language governing permissions and\n   limitations under the License.\n*/\n\n(function (exports, $) {\n\t\"use strict\";\n\tif ($ === undefined) {\n\t\tconsole.error(\"jQuery-like library not available\");\n\t\treturn;\n\t}\n\tlet defaults = {\n\t\tvisibleThreshold: .5,\n\t\textraPagesToLoad: 3,\n\t\tpageClass: \"pdfpage\",\n\t\tcontentClass: \"content-wrapper\",\n\t\tonDocumentReady: () => {},\n\t\tonNewPage: (page, i) => {},\n\t\tonPageRender: (page, i) => {},\n\t\tzoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],\n\t\tonZoomChange: zoomlevel => {},\n\t\tonActivePageChanged: (page, i) => {},\n\t\tzoomFillArea: .95,\n\t\temptyContent: () => $('<div class=\"loader\"></div>'),\n\t\trenderingScale: 1.5\n\t};\n\tclass Zoomer {\n\t\tconstructor(viewer, options = {}) {\n\t\t\tlet defaults = {\n\t\t\t\tzoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],\n\t\t\t\tfillArea: .9\n\t\t\t};\n\t\t\tthis.current = 1;\n\t\t\tthis.viewer = viewer;\n\t\t\tthis.settings = Object.assign({}, defaults, options);\n\t\t\tthis.settings.zoomValues = this.settings.zoomValues.sort();\n\t\t}\n\t\tget(zoom = null) {\n\t\t\tif (zoom === null) {\n\t\t\t\treturn this.current;\n\t\t\t}\n\t\t\tif (parseFloat(zoom) == zoom) {\n\t\t\t\treturn zoom;\n\t\t\t}\n\t\t\tlet $activepage = this.viewer.getActivePage();\n\t\t\tlet zoomValues = [];\n\t\t\tswitch (zoom) {\n\t\t\tcase \"in\":\n\t\t\t\tzoom = this.current;\n\t\t\t\tzoomValues = this.settings.zoomValues.filter(x => x > zoom);\n\t\t\t\tif (zoomValues.length > 0) {\n\t\t\t\t\tzoom = Math.min(...zoomValues);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase \"out\":\n\t\t\t\tzoom = this.current;\n\t\t\t\tzoomValues = this.settings.zoomValues.filter(x => x < zoom);\n\t\t\t\tif (zoomValues.length > 0) {\n\t\t\t\t\tzoom = Math.max(...zoomValues);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase \"fit\":\n\t\t\t\tzoom = Math.min(this.get(\"width\"), this.get(\"height\"));\n\t\t\t\tbreak;\n\t\t\tcase \"width\":\n\t\t\t\tzoom = this.settings.fillArea * this.viewer.$container.width() / $activepage.data(\"width\");\n\t\t\t\tbreak;\n\t\t\tcase \"height\":\n\t\t\t\tzoom = this.settings.fillArea * this.viewer.$container.height() / $activepage.data(\"height\");\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tzoom = this.current;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\treturn zoom;\n\t\t}\n\t\tzoomPages(zoom) {\n\t\t\tzoom = this.get(zoom);\n\t\t\tthis.viewer.getPages().forEach(function (page) {\n\t\t\t\tlet $page = page.$div;\n\t\t\t\tlet c_width = $page.data(\"width\");\n\t\t\t\tlet c_height = $page.data(\"height\");\n\t\t\t\t$page.width(c_width * zoom).height(c_height * zoom);\n\t\t\t\t$page.data(\"zoom\", zoom);\n\t\t\t\t$page.find(`.${this.viewer.settings.contentClass}`).width(c_width * zoom).height(c_height * zoom);\n\t\t\t}.bind(this));\n\t\t\tthis.current = zoom;\n\t\t}\n\t}\n\tclass PDFjsViewer {\n\t\tversion = \"2.0.0\";\n\t\tconstructor($container, options = {}) {\n\t\t\tthis.settings = Object.assign({}, defaults, options);\n\t\t\tthis._zoom = new Zoomer(this, {\n\t\t\t\tzoomValues: this.settings.zoomValues,\n\t\t\t\tfillArea: this.settings.zoomFillArea\n\t\t\t});\n\t\t\t$container = $($container);\n\t\t\tthis.$container = $container;\n\t\t\t$container.get(0)._pdfjsViewer = this;\n\t\t\tthis._setScrollListener();\n\t\t\tthis.pages = [];\n\t\t\tthis.pdf = null;\n\t\t\tthis._documentReady = false;\n\t\t}\n\t\tsetZoom(zoom) {\n\t\t\tlet container = this.$container.get(0);\n\t\t\tlet prevzoom = this._zoom.current;\n\t\t\tlet prevScroll = {\n\t\t\t\ttop: container.scrollTop,\n\t\t\t\tleft: container.scrollLeft\n\t\t\t};\n\t\t\tthis._zoom.zoomPages(zoom);\n\t\t\tcontainer.scrollLeft = prevScroll.left * this._zoom.current / prevzoom;\n\t\t\tcontainer.scrollTop = prevScroll.top * this._zoom.current / prevzoom;\n\t\t\tthis._visiblePages(true);\n\t\t\tif (this._documentReady) {\n\t\t\t\tif (typeof this.settings.onZoomChange === \"function\") this.settings.onZoomChange.call(this, this._zoom.current);\n\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"zoomchange\", {\n\t\t\t\t\tdetail: {\n\t\t\t\t\t\tzoom: this._zoom.current\n\t\t\t\t\t}\n\t\t\t\t}));\n\t\t\t}\n\t\t\treturn this._zoom.current;\n\t\t}\n\t\tgetZoom() {\n\t\t\treturn this._zoom.current;\n\t\t}\n\t\t_cleanPage($page) {\n\t\t\tlet $emptyContent = this.settings.emptyContent();\n\t\t\t$page.find(`.${this.settings.contentClass}`).html(\"\").append($emptyContent);\n\t\t}\n\t\t_setPageContent($page, $content) {\n\t\t\t$page.find(`.${this.settings.contentClass}`).html(\"\").append($content);\n\t\t}\n\t\trefreshAll() {\n\t\t\tthis._visiblePages(true);\n\t\t}\n\t\t_setScrollListener() {\n\t\t\tlet scrollLock = false;\n\t\t\tlet scrollPos = {\n\t\t\t\ttop: 0,\n\t\t\t\tleft: 0\n\t\t\t};\n\t\t\tthis.__scrollHandler = function (e) {\n\t\t\t\tif (scrollLock === true) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tscrollLock = true;\n\t\t\t\tlet container = this.$container.get(0);\n\t\t\t\tif (Math.abs(container.scrollTop - scrollPos.top) > container.clientHeight * .2 * this._zoom.current || Math.abs(container.scrollLeft - scrollPos.left) > container.clientWidth * .2 * this._zoom.current) {\n\t\t\t\t\tscrollPos = {\n\t\t\t\t\t\ttop: container.scrollTop,\n\t\t\t\t\t\tleft: container.scrollLeft\n\t\t\t\t\t};\n\t\t\t\t\tthis._visiblePages();\n\t\t\t\t}\n\t\t\t\tscrollLock = false;\n\t\t\t}.bind(this);\n\t\t\tthis.$container.off(\"scroll\");\n\t\t\tthis.$container.on(\"scroll\", this.__scrollHandler);\n\t\t}\n\t\t_createSkeleton(page, i) {\n\t\t\tlet pageinfo = {\n\t\t\t\t$div: null,\n\t\t\t\twidth: 0,\n\t\t\t\theight: 0,\n\t\t\t\tloaded: false\n\t\t\t};\n\t\t\tif (page.getViewport !== undefined) {\n\t\t\t\tlet viewport = page.getViewport({\n\t\t\t\t\trotation: this._rotation,\n\t\t\t\t\tscale: 1\n\t\t\t\t});\n\t\t\t\tpageinfo.width = viewport.width;\n\t\t\t\tpageinfo.height = viewport.height;\n\t\t\t\tpageinfo.loaded = true;\n\t\t\t} else {\n\t\t\t\tpageinfo.width = page.width;\n\t\t\t\tpageinfo.height = page.height;\n\t\t\t}\n\t\t\tconsole.assert(pageinfo.width > 0 && pageinfo.height > 0, \"Page width and height must be greater than 0\");\n\t\t\tpageinfo.$div = $(`<div id=\"page-${i}\">`).attr(\"data-page\", i).data(\"width\", pageinfo.width).data(\"height\", pageinfo.height).data(\"zoom\", this._zoom.current).addClass(this.settings.pageClass).width(pageinfo.width * this._zoom.current).height(pageinfo.height * this._zoom.current);\n\t\t\tlet $content = $(`<div class=\"${this.settings.contentClass}\">`).width(pageinfo.width).height(pageinfo.height);\n\t\t\tpageinfo.$div.append($content);\n\t\t\tthis._cleanPage(pageinfo.$div);\n\t\t\treturn pageinfo;\n\t\t}\n\t\t_placeSkeleton(pageinfo, i) {\n\t\t\tlet prevpage = i - 1;\n\t\t\tlet $prevpage = null;\n\t\t\twhile (prevpage > 0 && ($prevpage = this.$container.find(`.${this.settings.pageClass}[data-page=\"${prevpage}\"]`)).length === 0) {\n\t\t\t\tprevpage--;\n\t\t\t}\n\t\t\tif (prevpage === 0) {\n\t\t\t\tthis.$container.append(pageinfo.$div);\n\t\t\t} else {\n\t\t\t\t$prevpage.after(pageinfo.$div);\n\t\t\t}\n\t\t}\n\t\t_createSkeletons(pageinfo) {\n\t\t\tfor (let i = 1; i <= this.pageCount; i++) {\n\t\t\t\tif (this.pages[i] === undefined) {\n\t\t\t\t\tpageinfo = this._createSkeleton(pageinfo, i);\n\t\t\t\t\tthis.pages[i] = pageinfo;\n\t\t\t\t\tthis._placeSkeleton(pageinfo, i);\n\t\t\t\t\tif (typeof this.settings.onNewPage === \"function\") {\n\t\t\t\t\t\tthis.settings.onNewPage.call(this, pageinfo.$div.get(0), i);\n\t\t\t\t\t}\n\t\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"newpage\", {\n\t\t\t\t\t\tdetail: {\n\t\t\t\t\t\t\tpageNumber: i,\n\t\t\t\t\t\t\tpage: pageinfo.$div.get(0)\n\t\t\t\t\t\t}\n\t\t\t\t\t}));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t_setActivePage(i) {\n\t\t\tif (this._activePage !== i) {\n\t\t\t\tthis._activePage = i;\n\t\t\t\tlet activePage = this.getActivePage();\n\t\t\t\tif (this._documentReady) {\n\t\t\t\t\tactivePage = activePage == null ? null : activePage.get(0);\n\t\t\t\t\tif (typeof this.settings.onActivePageChanged === \"function\") {\n\t\t\t\t\t\tthis.settings.onActivePageChanged.call(this, activePage, i);\n\t\t\t\t\t}\n\t\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"activepagechanged\", {\n\t\t\t\t\t\tdetail: {\n\t\t\t\t\t\t\tactivePageNumber: i,\n\t\t\t\t\t\t\tactivePage: activePage\n\t\t\t\t\t\t}\n\t\t\t\t\t}));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t_areaOfPageVisible($page) {\n\t\t\tif ($page === undefined) {\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t\tlet c_offset = this.$container.offset();\n\t\t\tlet c_width = this.$container.width();\n\t\t\tlet c_height = this.$container.height();\n\t\t\tlet position = $page.offset();\n\t\t\tposition.top -= c_offset.top;\n\t\t\tposition.left -= c_offset.left;\n\t\t\tposition.bottom = position.top + $page.outerHeight();\n\t\t\tposition.right = position.left + $page.outerWidth();\n\t\t\tlet page_y0 = Math.min(Math.max(position.top, 0), c_height);\n\t\t\tlet page_y1 = Math.min(Math.max($page.outerHeight() + position.top, 0), c_height);\n\t\t\tlet page_x0 = Math.min(Math.max(position.left, 0), c_width);\n\t\t\tlet page_x1 = Math.min(Math.max($page.outerWidth() + position.left, 0), c_width);\n\t\t\tlet vis_x = page_x1 - page_x0;\n\t\t\tlet vis_y = page_y1 - page_y0;\n\t\t\treturn vis_x * vis_y;\n\t\t}\n\t\tisPageVisible(i) {\n\t\t\tif (this.pdf === null || i === undefined || i === null || i < 1 || i > this.pdf.numPages) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tif (typeof i === \"string\") {\n\t\t\t\ti = parseInt(i);\n\t\t\t}\n\t\t\tlet $page = i;\n\t\t\tif (typeof i === \"number\") {\n\t\t\t\tif (this.pages[i] === undefined) return false;\n\t\t\t\t$page = this.pages[i].$div;\n\t\t\t}\n\t\t\treturn this._areaOfPageVisible($page) > $page.outerWidth() * $page.outerHeight() * this.settings.visibleThreshold;\n\t\t}\n\t\t_visiblePages(forceRedraw = false) {\n\t\t\tlet max_area = 0;\n\t\t\tlet i_page = null;\n\t\t\tif (this.pages.length === 0) {\n\t\t\t\tthis._visibles = [];\n\t\t\t\tthis._setActivePage(0);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet $visibles = this.pages.filter(function (pageinfo) {\n\t\t\t\tlet areaVisible = this._areaOfPageVisible(pageinfo.$div);\n\t\t\t\tif (areaVisible > max_area) {\n\t\t\t\t\tmax_area = areaVisible;\n\t\t\t\t\ti_page = pageinfo.$div.data(\"page\");\n\t\t\t\t}\n\t\t\t\treturn areaVisible > 0;\n\t\t\t}.bind(this)).map(x => x.$div);\n\t\t\tthis._setActivePage(i_page);\n\t\t\tlet visibles = $visibles.map(x => {\n\t\t\t\treturn parseInt($(x).data(\"page\"));\n\t\t\t});\n\t\t\tif (visibles.length > 0) {\n\t\t\t\tlet minVisible = Math.min(...visibles);\n\t\t\t\tlet maxVisible = Math.max(...visibles);\n\t\t\t\tfor (let i = Math.max(1, minVisible - this.settings.extraPagesToLoad); i < minVisible; i++) {\n\t\t\t\t\tif (!visibles.includes(i)) visibles.push(i);\n\t\t\t\t}\n\t\t\t\tfor (let i = maxVisible + 1; i <= Math.min(maxVisible + this.settings.extraPagesToLoad, this.pdf.numPages); i++) {\n\t\t\t\t\tif (!visibles.includes(i)) visibles.push(i);\n\t\t\t\t}\n\t\t\t}\n\t\t\tlet nowVisibles = visibles;\n\t\t\tif (!forceRedraw) {\n\t\t\t\tnowVisibles = visibles.filter(function (x) {\n\t\t\t\t\treturn !this._visibles.includes(x);\n\t\t\t\t}.bind(this));\n\t\t\t}\n\t\t\tthis._visibles.filter(function (x) {\n\t\t\t\treturn !visibles.includes(x);\n\t\t\t}).forEach(function (i) {\n\t\t\t\tthis._cleanPage(this.pages[i].$div);\n\t\t\t}.bind(this));\n\t\t\tthis._visibles = visibles;\n\t\t\tthis.loadPages(...nowVisibles);\n\t\t}\n\t\tloadPages(...pages) {\n\t\t\tthis._pagesLoading.push(...pages);\n\t\t\tif (this._loading) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tthis._loadingTask();\n\t\t}\n\t\t_loadingTask() {\n\t\t\tthis._loading = true;\n\t\t\tif (this._pagesLoading.length > 0) {\n\t\t\t\tlet pagei = this._pagesLoading.shift();\n\t\t\t\tthis.pdf.getPage(pagei).then(function (page) {\n\t\t\t\t\tthis._renderPage(page, pagei);\n\t\t\t\t}.bind(this)).then(function (pageinfo) {\n\t\t\t\t\tif (this._pagesLoading.length > 0) {\n\t\t\t\t\t\tthis._loadingTask();\n\t\t\t\t\t}\n\t\t\t\t}.bind(this));\n\t\t\t}\n\t\t\tthis._loading = false;\n\t\t}\n\t\tscrollToPage(i) {\n\t\t\tif (this.pages.length === 0 || this.pages[i] === undefined) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet $page = this.pages[i].$div;\n\t\t\tif ($page.length === 0) {\n\t\t\t\tconsole.warn(`Page ${i} not found`);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet position = $page.position();\n\t\t\tlet containerPosition = this.$container.position();\n\t\t\tif (position !== undefined) {\n\t\t\t\tthis.$container.get(0).scrollTop = this.$container.get(0).scrollTop + position.top - containerPosition.top;\n\t\t\t\tthis.$container.get(0).scrollLeft = this.$container.get(0).scrollLeft + position.left - containerPosition.left;\n\t\t\t}\n\t\t\tthis._setActivePage(i);\n\t\t}\n\t\t_renderPage(page, i) {\n\t\t\tlet pageinfo = this.pages[i];\n\t\t\tlet scale = this.settings.renderingScale;\n\t\t\tlet pixel_ratio = window.devicePixelRatio || 1;\n\t\t\tlet viewport = page.getViewport({\n\t\t\t\trotation: this._rotation,\n\t\t\t\tscale: this._zoom.current * scale\n\t\t\t});\n\t\t\tpageinfo.width = viewport.width / this._zoom.current / scale;\n\t\t\tpageinfo.height = viewport.height / this._zoom.current / scale;\n\t\t\tpageinfo.$div.data(\"width\", pageinfo.width);\n\t\t\tpageinfo.$div.data(\"height\", pageinfo.height);\n\t\t\tpageinfo.$div.width(pageinfo.width * this._zoom.current);\n\t\t\tpageinfo.$div.height(pageinfo.height * this._zoom.current);\n\t\t\tpageinfo.loaded = true;\n\t\t\tlet $canvas = $(\"<canvas></canvas>\");\n\t\t\tlet canvas = $canvas.get(0);\n\t\t\tlet context = canvas.getContext(\"2d\");\n\t\t\tcanvas.height = viewport.height * pixel_ratio;\n\t\t\tcanvas.width = viewport.width * pixel_ratio;\n\t\t\tcanvas.getContext(\"2d\");\n\t\t\tvar transform = pixel_ratio !== 1 ? [pixel_ratio, 0, 0, pixel_ratio, 0, 0] : null;\n\t\t\tvar renderContext = {\n\t\t\t\tcanvasContext: context,\n\t\t\t\tviewport: viewport,\n\t\t\t\ttransform: transform\n\t\t\t};\n\t\t\treturn page.render(renderContext).promise.then(function () {\n\t\t\t\tthis._setPageContent(pageinfo.$div, $canvas);\n\t\t\t\tif (this._documentReady) {\n\t\t\t\t\tif (typeof this.settings.onPageRender === \"function\") {\n\t\t\t\t\t\tthis.settings.onPageRender.call(this, pageinfo.$div.get(0), i);\n\t\t\t\t\t}\n\t\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"pagerender\", {\n\t\t\t\t\t\tdetail: {\n\t\t\t\t\t\t\tpageNumber: i,\n\t\t\t\t\t\t\tpage: pageinfo.$div.get(0)\n\t\t\t\t\t\t}\n\t\t\t\t\t}));\n\t\t\t\t}\n\t\t\t\treturn pageinfo;\n\t\t\t}.bind(this));\n\t\t}\n\t\tgetActivePage() {\n\t\t\tif (this._activePage === null || this.pdf === null) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\tif (this._activePage < 1 || this._activePage > this.pdf.numPages) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\treturn this.pages[this._activePage].$div;\n\t\t}\n\t\tgetPages() {\n\t\t\treturn this.pages;\n\t\t}\n\t\tgetPageCount() {\n\t\t\tif (this.pdf === null) {\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t\treturn this.pdf.numPages;\n\t\t}\n\t\tnext() {\n\t\t\tif (this._activePage < this.pdf.numPages) {\n\t\t\t\tthis.scrollToPage(this._activePage + 1);\n\t\t\t}\n\t\t}\n\t\tprev() {\n\t\t\tif (this._activePage > 1) {\n\t\t\t\tthis.scrollToPage(this._activePage - 1);\n\t\t\t}\n\t\t}\n\t\tfirst() {\n\t\t\tif (this._activePage !== 1) {\n\t\t\t\tthis.scrollToPage(1);\n\t\t\t}\n\t\t}\n\t\tlast() {\n\t\t\tif (this.pdf === null) return;\n\t\t\tif (this._activePage !== this.pdf.numPages) {\n\t\t\t\tthis.scrollToPage(this.pdf.numPages);\n\t\t\t}\n\t\t}\n\t\trotate(deg, accumulate = false) {\n\t\t\tif (accumulate) {\n\t\t\t\tdeg = deg + this._rotation;\n\t\t\t}\n\t\t\tthis._rotation = deg;\n\t\t\tlet container = this.$container.get(0);\n\t\t\tlet prevScroll = {\n\t\t\t\ttop: container.scrollTop,\n\t\t\t\tleft: container.scrollLeft,\n\t\t\t\theight: container.scrollHeight,\n\t\t\t\twidth: container.scrollWidth\n\t\t\t};\n\t\t\treturn this.forceViewerInitialization().then(function () {\n\t\t\t\tlet newScroll = {\n\t\t\t\t\ttop: container.scrollTop,\n\t\t\t\t\tleft: container.scrollLeft,\n\t\t\t\t\theight: container.scrollHeight,\n\t\t\t\t\twidth: container.scrollWidth\n\t\t\t\t};\n\t\t\t\tcontainer.scrollTop = prevScroll.top * (newScroll.height / prevScroll.height);\n\t\t\t\tcontainer.scrollLeft = prevScroll.left * (newScroll.width / prevScroll.width);\n\t\t\t}.bind(this));\n\t\t}\n\t\tforceViewerInitialization() {\n\t\t\tthis.pages = [];\n\t\t\tthis.$container.find(`.${this.settings.pageClass}`).remove();\n\t\t\tthis._pagesLoading = [];\n\t\t\tthis._loading = false;\n\t\t\tthis._visibles = [];\n\t\t\tthis._activePage = null;\n\t\t\treturn this.pdf.getPage(1).then(function (page) {\n\t\t\t\tthis._createSkeletons(page);\n\t\t\t\tthis._visiblePages();\n\t\t\t\tthis._setActivePage(1);\n\t\t\t}.bind(this));\n\t\t}\n\t\tasync loadDocument(document) {\n\t\t\tthis._documentReady = false;\n\t\t\tthis.pages = [];\n\t\t\tthis.$container.find(`.${this.settings.pageClass}`).remove();\n\t\t\tthis.pdf = null;\n\t\t\tlet loadingTask = pdfjsLib.getDocument(document);\n\t\t\treturn loadingTask.promise.then(function (pdf) {\n\t\t\t\tthis.pdf = pdf;\n\t\t\t\tthis.pageCount = pdf.numPages;\n\t\t\t\tthis._rotation = 0;\n\t\t\t\treturn this.forceViewerInitialization();\n\t\t\t}.bind(this)).then(function () {\n\t\t\t\tif (typeof this.settings.onDocumentReady === \"function\") {\n\t\t\t\t\tthis.settings.onDocumentReady.call(this);\n\t\t\t\t}\n\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"documentready\", {\n\t\t\t\t\tdetail: {\n\t\t\t\t\t\tdocument: this.pdf\n\t\t\t\t\t}\n\t\t\t\t}));\n\t\t\t\tthis._setActivePage(0);\n\t\t\t\tthis._documentReady = true;\n\t\t\t\tthis._setActivePage(1);\n\t\t\t}.bind(this));\n\t\t}\n\t}\n\n\tfunction recoverAttributes(target, attributeDefaults) {\n\t\tconst camelcaseToSnakecase = str => str.replace(/[A-Z]/g, letter => `-${letter.toLowerCase()}`);\n\t\tlet $target = $(target);\n\t\tlet result = {};\n\t\tif ($target.length > 0) {\n\t\t\t$target = $($target[0]);\n\t\t\tfor (let originalAttributeName in attributeDefaults) {\n\t\t\t\tlet attributeName = camelcaseToSnakecase(originalAttributeName);\n\t\t\t\tlet attributeValue = $target.attr(attributeName);\n\t\t\t\tif (attributeValue != null) {\n\t\t\t\t\tswitch (typeof attributeDefaults[originalAttributeName]) {\n\t\t\t\t\tcase \"float\":\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tattributeValue = parseFloat(attributeValue);\n\t\t\t\t\t\t} catch (_) {}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"number\":\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tattributeValue = parseInt(attributeValue);\n\t\t\t\t\t\t} catch (_) {}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"function\":\n\t\t\t\t\t\tlet functionString = attributeValue;\n\t\t\t\t\t\tattributeValue = function () {\n\t\t\t\t\t\t\teval(functionString);\n\t\t\t\t\t\t}.bind(target[0]);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tresult[originalAttributeName] = attributeValue;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn result;\n\t}\n\n\tfunction init(element) {\n\t\tlet options = recoverAttributes(element, Object.assign({\n\t\t\tpdfDocument: \"\",\n\t\t\tinitialZoom: \"\"\n\t\t}, defaults));\n\t\tif (options[\"pdfDocument\"] != null) {\n\t\t\tlet pdfViewer = new PDFjsViewer($(element), options);\n\t\t\tpdfViewer.loadDocument(options[\"pdfDocument\"]).then(function () {\n\t\t\t\tif (options[\"initialZoom\"] != null) {\n\t\t\t\t\tpdfViewer.setZoom(options[\"initialZoom\"]);\n\t\t\t\t}\n\t\t\t});\n\t\t\telement.get(0).pdfViewer = pdfViewer;\n\t\t}\n\t}\n\t$(function () {\n\t\t$(\".pdfjs-viewer\").each(function () {\n\t\t\tlet $viewer = $(this);\n\t\t\tinit($viewer);\n\t\t});\n\t});\n\texports.PDFjsViewer = PDFjsViewer;\n})(window, window._$ ?? window.jQuery ?? 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\ No newline at end of file
diff --git a/pdfjs-viewer.css b/dist/pdfjs-viewer.css
similarity index 100%
rename from pdfjs-viewer.css
rename to dist/pdfjs-viewer.css
diff --git a/dist/pdfjs-viewer.js b/dist/pdfjs-viewer.js
new file mode 100644
index 0000000..c911c17
--- /dev/null
+++ b/dist/pdfjs-viewer.js
@@ -0,0 +1,569 @@
+/**
+   Copyright 2021 Carlos A. (https://github.com/dealfonso)
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+(function (exports, $) {
+	"use strict";
+	if ($ === undefined) {
+		console.error("jQuery-like library not available");
+		return;
+	}
+	let defaults = {
+		visibleThreshold: .5,
+		extraPagesToLoad: 3,
+		pageClass: "pdfpage",
+		contentClass: "content-wrapper",
+		onDocumentReady: () => {},
+		onNewPage: (page, i) => {},
+		onPageRender: (page, i) => {},
+		zoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],
+		onZoomChange: zoomlevel => {},
+		onActivePageChanged: (page, i) => {},
+		zoomFillArea: .95,
+		emptyContent: () => $('<div class="loader"></div>'),
+		renderingScale: 1.5
+	};
+	class Zoomer {
+		constructor(viewer, options = {}) {
+			let defaults = {
+				zoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],
+				fillArea: .9
+			};
+			this.current = 1;
+			this.viewer = viewer;
+			this.settings = Object.assign({}, defaults, options);
+			this.settings.zoomValues = this.settings.zoomValues.sort();
+		}
+		get(zoom = null) {
+			if (zoom === null) {
+				return this.current;
+			}
+			if (parseFloat(zoom) == zoom) {
+				return zoom;
+			}
+			let $activepage = this.viewer.getActivePage();
+			let zoomValues = [];
+			switch (zoom) {
+			case "in":
+				zoom = this.current;
+				zoomValues = this.settings.zoomValues.filter(x => x > zoom);
+				if (zoomValues.length > 0) {
+					zoom = Math.min(...zoomValues);
+				}
+				break;
+			case "out":
+				zoom = this.current;
+				zoomValues = this.settings.zoomValues.filter(x => x < zoom);
+				if (zoomValues.length > 0) {
+					zoom = Math.max(...zoomValues);
+				}
+				break;
+			case "fit":
+				zoom = Math.min(this.get("width"), this.get("height"));
+				break;
+			case "width":
+				zoom = this.settings.fillArea * this.viewer.$container.width() / $activepage.data("width");
+				break;
+			case "height":
+				zoom = this.settings.fillArea * this.viewer.$container.height() / $activepage.data("height");
+				break;
+			default:
+				zoom = this.current;
+				break;
+			}
+			return zoom;
+		}
+		zoomPages(zoom) {
+			zoom = this.get(zoom);
+			this.viewer.getPages().forEach(function (page) {
+				let $page = page.$div;
+				let c_width = $page.data("width");
+				let c_height = $page.data("height");
+				$page.width(c_width * zoom).height(c_height * zoom);
+				$page.data("zoom", zoom);
+				$page.find(`.${this.viewer.settings.contentClass}`).width(c_width * zoom).height(c_height * zoom);
+			}.bind(this));
+			this.current = zoom;
+		}
+	}
+	class PDFjsViewer {
+		version = "2.0.0";
+		constructor($container, options = {}) {
+			this.settings = Object.assign({}, defaults, options);
+			this._zoom = new Zoomer(this, {
+				zoomValues: this.settings.zoomValues,
+				fillArea: this.settings.zoomFillArea
+			});
+			$container = $($container);
+			this.$container = $container;
+			$container.get(0)._pdfjsViewer = this;
+			this._setScrollListener();
+			this.pages = [];
+			this.pdf = null;
+			this._documentReady = false;
+		}
+		setZoom(zoom) {
+			let container = this.$container.get(0);
+			let prevzoom = this._zoom.current;
+			let prevScroll = {
+				top: container.scrollTop,
+				left: container.scrollLeft
+			};
+			this._zoom.zoomPages(zoom);
+			container.scrollLeft = prevScroll.left * this._zoom.current / prevzoom;
+			container.scrollTop = prevScroll.top * this._zoom.current / prevzoom;
+			this._visiblePages(true);
+			if (this._documentReady) {
+				if (typeof this.settings.onZoomChange === "function") this.settings.onZoomChange.call(this, this._zoom.current);
+				this.$container.get(0).dispatchEvent(new CustomEvent("zoomchange", {
+					detail: {
+						zoom: this._zoom.current
+					}
+				}));
+			}
+			return this._zoom.current;
+		}
+		getZoom() {
+			return this._zoom.current;
+		}
+		_cleanPage($page) {
+			let $emptyContent = this.settings.emptyContent();
+			$page.find(`.${this.settings.contentClass}`).html("").append($emptyContent);
+		}
+		_setPageContent($page, $content) {
+			$page.find(`.${this.settings.contentClass}`).html("").append($content);
+		}
+		refreshAll() {
+			this._visiblePages(true);
+		}
+		_setScrollListener() {
+			let scrollLock = false;
+			let scrollPos = {
+				top: 0,
+				left: 0
+			};
+			this.__scrollHandler = function (e) {
+				if (scrollLock === true) {
+					return;
+				}
+				scrollLock = true;
+				let container = this.$container.get(0);
+				if (Math.abs(container.scrollTop - scrollPos.top) > container.clientHeight * .2 * this._zoom.current || Math.abs(container.scrollLeft - scrollPos.left) > container.clientWidth * .2 * this._zoom.current) {
+					scrollPos = {
+						top: container.scrollTop,
+						left: container.scrollLeft
+					};
+					this._visiblePages();
+				}
+				scrollLock = false;
+			}.bind(this);
+			this.$container.off("scroll");
+			this.$container.on("scroll", this.__scrollHandler);
+		}
+		_createSkeleton(page, i) {
+			let pageinfo = {
+				$div: null,
+				width: 0,
+				height: 0,
+				loaded: false
+			};
+			if (page.getViewport !== undefined) {
+				let viewport = page.getViewport({
+					rotation: this._rotation,
+					scale: 1
+				});
+				pageinfo.width = viewport.width;
+				pageinfo.height = viewport.height;
+				pageinfo.loaded = true;
+			} else {
+				pageinfo.width = page.width;
+				pageinfo.height = page.height;
+			}
+			console.assert(pageinfo.width > 0 && pageinfo.height > 0, "Page width and height must be greater than 0");
+			pageinfo.$div = $(`<div id="page-${i}">`).attr("data-page", i).data("width", pageinfo.width).data("height", pageinfo.height).data("zoom", this._zoom.current).addClass(this.settings.pageClass).width(pageinfo.width * this._zoom.current).height(pageinfo.height * this._zoom.current);
+			let $content = $(`<div class="${this.settings.contentClass}">`).width(pageinfo.width).height(pageinfo.height);
+			pageinfo.$div.append($content);
+			this._cleanPage(pageinfo.$div);
+			return pageinfo;
+		}
+		_placeSkeleton(pageinfo, i) {
+			let prevpage = i - 1;
+			let $prevpage = null;
+			while (prevpage > 0 && ($prevpage = this.$container.find(`.${this.settings.pageClass}[data-page="${prevpage}"]`)).length === 0) {
+				prevpage--;
+			}
+			if (prevpage === 0) {
+				this.$container.append(pageinfo.$div);
+			} else {
+				$prevpage.after(pageinfo.$div);
+			}
+		}
+		_createSkeletons(pageinfo) {
+			for (let i = 1; i <= this.pageCount; i++) {
+				if (this.pages[i] === undefined) {
+					pageinfo = this._createSkeleton(pageinfo, i);
+					this.pages[i] = pageinfo;
+					this._placeSkeleton(pageinfo, i);
+					if (typeof this.settings.onNewPage === "function") {
+						this.settings.onNewPage.call(this, pageinfo.$div.get(0), i);
+					}
+					this.$container.get(0).dispatchEvent(new CustomEvent("newpage", {
+						detail: {
+							pageNumber: i,
+							page: pageinfo.$div.get(0)
+						}
+					}));
+				}
+			}
+		}
+		_setActivePage(i) {
+			if (this._activePage !== i) {
+				this._activePage = i;
+				let activePage = this.getActivePage();
+				if (this._documentReady) {
+					activePage = activePage == null ? null : activePage.get(0);
+					if (typeof this.settings.onActivePageChanged === "function") {
+						this.settings.onActivePageChanged.call(this, activePage, i);
+					}
+					this.$container.get(0).dispatchEvent(new CustomEvent("activepagechanged", {
+						detail: {
+							activePageNumber: i,
+							activePage: activePage
+						}
+					}));
+				}
+			}
+		}
+		_areaOfPageVisible($page) {
+			if ($page === undefined) {
+				return 0;
+			}
+			let c_offset = this.$container.offset();
+			let c_width = this.$container.width();
+			let c_height = this.$container.height();
+			let position = $page.offset();
+			position.top -= c_offset.top;
+			position.left -= c_offset.left;
+			position.bottom = position.top + $page.outerHeight();
+			position.right = position.left + $page.outerWidth();
+			let page_y0 = Math.min(Math.max(position.top, 0), c_height);
+			let page_y1 = Math.min(Math.max($page.outerHeight() + position.top, 0), c_height);
+			let page_x0 = Math.min(Math.max(position.left, 0), c_width);
+			let page_x1 = Math.min(Math.max($page.outerWidth() + position.left, 0), c_width);
+			let vis_x = page_x1 - page_x0;
+			let vis_y = page_y1 - page_y0;
+			return vis_x * vis_y;
+		}
+		isPageVisible(i) {
+			if (this.pdf === null || i === undefined || i === null || i < 1 || i > this.pdf.numPages) {
+				return false;
+			}
+			if (typeof i === "string") {
+				i = parseInt(i);
+			}
+			let $page = i;
+			if (typeof i === "number") {
+				if (this.pages[i] === undefined) return false;
+				$page = this.pages[i].$div;
+			}
+			return this._areaOfPageVisible($page) > $page.outerWidth() * $page.outerHeight() * this.settings.visibleThreshold;
+		}
+		_visiblePages(forceRedraw = false) {
+			let max_area = 0;
+			let i_page = null;
+			if (this.pages.length === 0) {
+				this._visibles = [];
+				this._setActivePage(0);
+				return;
+			}
+			let $visibles = this.pages.filter(function (pageinfo) {
+				let areaVisible = this._areaOfPageVisible(pageinfo.$div);
+				if (areaVisible > max_area) {
+					max_area = areaVisible;
+					i_page = pageinfo.$div.data("page");
+				}
+				return areaVisible > 0;
+			}.bind(this)).map(x => x.$div);
+			this._setActivePage(i_page);
+			let visibles = $visibles.map(x => {
+				return parseInt($(x).data("page"));
+			});
+			if (visibles.length > 0) {
+				let minVisible = Math.min(...visibles);
+				let maxVisible = Math.max(...visibles);
+				for (let i = Math.max(1, minVisible - this.settings.extraPagesToLoad); i < minVisible; i++) {
+					if (!visibles.includes(i)) visibles.push(i);
+				}
+				for (let i = maxVisible + 1; i <= Math.min(maxVisible + this.settings.extraPagesToLoad, this.pdf.numPages); i++) {
+					if (!visibles.includes(i)) visibles.push(i);
+				}
+			}
+			let nowVisibles = visibles;
+			if (!forceRedraw) {
+				nowVisibles = visibles.filter(function (x) {
+					return !this._visibles.includes(x);
+				}.bind(this));
+			}
+			this._visibles.filter(function (x) {
+				return !visibles.includes(x);
+			}).forEach(function (i) {
+				this._cleanPage(this.pages[i].$div);
+			}.bind(this));
+			this._visibles = visibles;
+			this.loadPages(...nowVisibles);
+		}
+		loadPages(...pages) {
+			this._pagesLoading.push(...pages);
+			if (this._loading) {
+				return;
+			}
+			this._loadingTask();
+		}
+		_loadingTask() {
+			this._loading = true;
+			if (this._pagesLoading.length > 0) {
+				let pagei = this._pagesLoading.shift();
+				this.pdf.getPage(pagei).then(function (page) {
+					this._renderPage(page, pagei);
+				}.bind(this)).then(function (pageinfo) {
+					if (this._pagesLoading.length > 0) {
+						this._loadingTask();
+					}
+				}.bind(this));
+			}
+			this._loading = false;
+		}
+		scrollToPage(i) {
+			if (this.pages.length === 0 || this.pages[i] === undefined) {
+				return;
+			}
+			let $page = this.pages[i].$div;
+			if ($page.length === 0) {
+				console.warn(`Page ${i} not found`);
+				return;
+			}
+			let position = $page.position();
+			let containerPosition = this.$container.position();
+			if (position !== undefined) {
+				this.$container.get(0).scrollTop = this.$container.get(0).scrollTop + position.top - containerPosition.top;
+				this.$container.get(0).scrollLeft = this.$container.get(0).scrollLeft + position.left - containerPosition.left;
+			}
+			this._setActivePage(i);
+		}
+		_renderPage(page, i) {
+			let pageinfo = this.pages[i];
+			let scale = this.settings.renderingScale;
+			let pixel_ratio = window.devicePixelRatio || 1;
+			let viewport = page.getViewport({
+				rotation: this._rotation,
+				scale: this._zoom.current * scale
+			});
+			pageinfo.width = viewport.width / this._zoom.current / scale;
+			pageinfo.height = viewport.height / this._zoom.current / scale;
+			pageinfo.$div.data("width", pageinfo.width);
+			pageinfo.$div.data("height", pageinfo.height);
+			pageinfo.$div.width(pageinfo.width * this._zoom.current);
+			pageinfo.$div.height(pageinfo.height * this._zoom.current);
+			pageinfo.loaded = true;
+			let $canvas = $("<canvas></canvas>");
+			let canvas = $canvas.get(0);
+			let context = canvas.getContext("2d");
+			canvas.height = viewport.height * pixel_ratio;
+			canvas.width = viewport.width * pixel_ratio;
+			canvas.getContext("2d");
+			var transform = pixel_ratio !== 1 ? [pixel_ratio, 0, 0, pixel_ratio, 0, 0] : null;
+			var renderContext = {
+				canvasContext: context,
+				viewport: viewport,
+				transform: transform
+			};
+			return page.render(renderContext).promise.then(function () {
+				this._setPageContent(pageinfo.$div, $canvas);
+				if (this._documentReady) {
+					if (typeof this.settings.onPageRender === "function") {
+						this.settings.onPageRender.call(this, pageinfo.$div.get(0), i);
+					}
+					this.$container.get(0).dispatchEvent(new CustomEvent("pagerender", {
+						detail: {
+							pageNumber: i,
+							page: pageinfo.$div.get(0)
+						}
+					}));
+				}
+				return pageinfo;
+			}.bind(this));
+		}
+		getActivePage() {
+			if (this._activePage === null || this.pdf === null) {
+				return null;
+			}
+			if (this._activePage < 1 || this._activePage > this.pdf.numPages) {
+				return null;
+			}
+			return this.pages[this._activePage].$div;
+		}
+		getPages() {
+			return this.pages;
+		}
+		getPageCount() {
+			if (this.pdf === null) {
+				return 0;
+			}
+			return this.pdf.numPages;
+		}
+		next() {
+			if (this._activePage < this.pdf.numPages) {
+				this.scrollToPage(this._activePage + 1);
+			}
+		}
+		prev() {
+			if (this._activePage > 1) {
+				this.scrollToPage(this._activePage - 1);
+			}
+		}
+		first() {
+			if (this._activePage !== 1) {
+				this.scrollToPage(1);
+			}
+		}
+		last() {
+			if (this.pdf === null) return;
+			if (this._activePage !== this.pdf.numPages) {
+				this.scrollToPage(this.pdf.numPages);
+			}
+		}
+		rotate(deg, accumulate = false) {
+			if (accumulate) {
+				deg = deg + this._rotation;
+			}
+			this._rotation = deg;
+			let container = this.$container.get(0);
+			let prevScroll = {
+				top: container.scrollTop,
+				left: container.scrollLeft,
+				height: container.scrollHeight,
+				width: container.scrollWidth
+			};
+			return this.forceViewerInitialization().then(function () {
+				let newScroll = {
+					top: container.scrollTop,
+					left: container.scrollLeft,
+					height: container.scrollHeight,
+					width: container.scrollWidth
+				};
+				container.scrollTop = prevScroll.top * (newScroll.height / prevScroll.height);
+				container.scrollLeft = prevScroll.left * (newScroll.width / prevScroll.width);
+			}.bind(this));
+		}
+		forceViewerInitialization() {
+			this.pages = [];
+			this.$container.find(`.${this.settings.pageClass}`).remove();
+			this._pagesLoading = [];
+			this._loading = false;
+			this._visibles = [];
+			this._activePage = null;
+			return this.pdf.getPage(1).then(function (page) {
+				this._createSkeletons(page);
+				this._visiblePages();
+				this._setActivePage(1);
+			}.bind(this));
+		}
+		async loadDocument(document) {
+			this._documentReady = false;
+			this.pages = [];
+			this.$container.find(`.${this.settings.pageClass}`).remove();
+			this.pdf = null;
+			let loadingTask = pdfjsLib.getDocument(document);
+			return loadingTask.promise.then(function (pdf) {
+				this.pdf = pdf;
+				this.pageCount = pdf.numPages;
+				this._rotation = 0;
+				return this.forceViewerInitialization();
+			}.bind(this)).then(function () {
+				if (typeof this.settings.onDocumentReady === "function") {
+					this.settings.onDocumentReady.call(this);
+				}
+				this.$container.get(0).dispatchEvent(new CustomEvent("documentready", {
+					detail: {
+						document: this.pdf
+					}
+				}));
+				this._setActivePage(0);
+				this._documentReady = true;
+				this._setActivePage(1);
+			}.bind(this));
+		}
+	}
+
+	function recoverAttributes(target, attributeDefaults) {
+		const camelcaseToSnakecase = str => str.replace(/[A-Z]/g, letter => `-${letter.toLowerCase()}`);
+		let $target = $(target);
+		let result = {};
+		if ($target.length > 0) {
+			$target = $($target[0]);
+			for (let originalAttributeName in attributeDefaults) {
+				let attributeName = camelcaseToSnakecase(originalAttributeName);
+				let attributeValue = $target.attr(attributeName);
+				if (attributeValue != null) {
+					switch (typeof attributeDefaults[originalAttributeName]) {
+					case "float":
+						try {
+							attributeValue = parseFloat(attributeValue);
+						} catch (_) {}
+						break;
+					case "number":
+						try {
+							attributeValue = parseInt(attributeValue);
+						} catch (_) {}
+						break;
+					case "function":
+						let functionString = attributeValue;
+						attributeValue = function () {
+							eval(functionString);
+						}.bind(target[0]);
+						break;
+					default:
+						break;
+					}
+					result[originalAttributeName] = attributeValue;
+				}
+			}
+		}
+		return result;
+	}
+
+	function init(element) {
+		let options = recoverAttributes(element, Object.assign({
+			pdfDocument: "",
+			initialZoom: ""
+		}, defaults));
+		if (options["pdfDocument"] != null) {
+			let pdfViewer = new PDFjsViewer($(element), options);
+			pdfViewer.loadDocument(options["pdfDocument"]).then(function () {
+				if (options["initialZoom"] != null) {
+					pdfViewer.setZoom(options["initialZoom"]);
+				}
+			});
+			element.get(0).pdfViewer = pdfViewer;
+		}
+	}
+	$(function () {
+		$(".pdfjs-viewer").each(function () {
+			let $viewer = $(this);
+			init($viewer);
+		});
+	});
+	exports.PDFjsViewer = PDFjsViewer;
+})(window, window._$ ?? window.jQuery ?? undefined);
diff --git a/pdfjs-viewer.min.css b/dist/pdfjs-viewer.min.css
similarity index 95%
rename from pdfjs-viewer.min.css
rename to dist/pdfjs-viewer.min.css
index bc59ea9..ea745a9 100644
--- a/pdfjs-viewer.min.css
+++ b/dist/pdfjs-viewer.min.css
@@ -1,2 +1,2 @@
-/* Copyright 2021 Carlos A. (https://github.com/dealfonso); License: http://www.apache.org/licenses/LICENSE-2.0 */
-.pdfjs-viewer{overflow:auto;border:1px solid #aaa;background:#ccc}.pdfjs-viewer.horizontal-scroll{display:flex}.pdfjs-viewer.horizontal-scroll .pdfpage{margin-left:1em;margin-top:.25em!important;margin-bottom:.25em!important;display:block}.pdfpage{position:relative;margin-bottom:1em;margin-top:1em;margin-left:auto;margin-right:auto;box-shadow:0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)}.pdfpage canvas{position:absolute;left:0;top:0;height:100%;width:100%}.pdfpage.placeholder{display:flex;margin-bottom:0!important;margin-top:0!important;height:100%;width:100%}.pdfpage .content-wrapper{margin:0!important;padding:0!important;display:flex!important}.pdfpage .content-wrapper .loader{border:2px solid #f3f3f3;border-top:3px solid #3498db;border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;margin:auto}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.pdfjs-toolbar{width:100%;height:32px;background:#ddd;z-index:100;vertical-align:middle;display:flex;margin:0;padding:0}.pdfjs-toolbar *{margin:auto 0}.pdfjs-toolbar span{margin-right:.5em;margin-left:.5em;width:4em!important;font-size:12px}.pdfjs-toolbar a.button,.pdfjs-toolbar button,.pdfjs-toolbar label.button{min-width:26px;height:28px;border:none;padding:2px 4px 0;margin:auto 1px;border-radius:2px;line-height:12px;font-size:14px;background-color:#ddd;cursor:pointer}.pdfjs-toolbar button i,.pdfjs-toolbar label.button i{font-size:26px;padding:0;margin:0}.pdfjs-toolbar a.button:hover,.pdfjs-toolbar button:hover,.pdfjs-toolbar label.button:hover{background-color:#ccc}button.pushed{background-color:#aaa!important}.pdfjs-toolbar a.button{color:inherit}.pdfjs-toolbar .divider{flex:1}.pdfjs-toolbar .v-sep{width:0;height:20px;border-left:1px solid #bbb}.pdfjs-toolbar .h-sep{width:100%;height:0;border-top:1px solid #bbb;margin:.25em 0}.pdfjs-toolbar .dropdown.dropdown-right,.pdfjs-toolbar .dropdown.right{float:right}.pdfjs-toolbar .dropdown.dropdown-right .dropdown-content,.pdfjs-toolbar .dropdown.right .dropdown-content{right:0;left:auto}.pdfjs-toolbar .dropdown-value{background-color:#ccc;padding:0 4px 2;cursor:pointer}.pdfjs-toolbar .dropdown-value i{width:auto;font-size:12px}.pdfjs-toolbar .dropdown-content{display:none;position:absolute;margin-top:0;background-color:#eee;min-width:10em;z-index:1;font-size:12px;box-shadow:0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)}.pdfjs-toolbar .dropdown-content a{all:initial;font:inherit;color:#000;padding:6px 8px;text-decoration:none;display:flex;cursor:pointer}.pdfjs-toolbar .dropdown-content i{font-size:16px;padding-right:.5em}.pdfjs-toolbar .dropdown-content a:hover{background-color:#ddd}.dropdown .dropdown-content:hover,.pdfjs-toolbar .dropdown:hover .dropdown-content{display:block}
\ No newline at end of file
+.pdfjs-viewer{overflow:auto;border:1px solid #aaa;background:#ccc}.pdfjs-viewer.horizontal-scroll{display:flex}.pdfjs-viewer.horizontal-scroll .pdfpage{margin-left:1em;margin-top:.25em!important;margin-bottom:.25em!important;display:block}.pdfpage{position:relative;margin-bottom:1em;margin-top:1em;margin-left:auto;margin-right:auto;box-shadow:0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)}.pdfpage canvas{position:absolute;left:0;top:0;height:100%;width:100%}.pdfpage.placeholder{display:flex;margin-bottom:0!important;margin-top:0!important;height:100%;width:100%}.pdfpage .content-wrapper{margin:0!important;padding:0!important;display:flex!important}.pdfpage .content-wrapper .loader{border:2px solid #f3f3f3;border-top:3px solid #3498db;border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;margin:auto}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.pdfjs-toolbar{width:100%;height:32px;background:#ddd;z-index:100;vertical-align:middle;display:flex;margin:0;padding:0}.pdfjs-toolbar *{margin:auto 0}.pdfjs-toolbar span{margin-right:.5em;margin-left:.5em;width:4em!important;font-size:12px}.pdfjs-toolbar a.button,.pdfjs-toolbar button,.pdfjs-toolbar label.button{min-width:26px;height:28px;border:none;padding:2px 4px 0;margin:auto 1px;border-radius:2px;line-height:12px;font-size:14px;background-color:#ddd;cursor:pointer}.pdfjs-toolbar button i,.pdfjs-toolbar label.button i{font-size:26px;padding:0;margin:0}.pdfjs-toolbar a.button:hover,.pdfjs-toolbar button:hover,.pdfjs-toolbar label.button:hover{background-color:#ccc}button.pushed{background-color:#aaa!important}.pdfjs-toolbar a.button{color:inherit}.pdfjs-toolbar .divider{flex:1}.pdfjs-toolbar .v-sep{width:0;height:20px;border-left:1px solid #bbb}.pdfjs-toolbar .h-sep{width:100%;height:0;border-top:1px solid #bbb;margin:.25em 0}.pdfjs-toolbar .dropdown.dropdown-right,.pdfjs-toolbar .dropdown.right{float:right}.pdfjs-toolbar .dropdown.dropdown-right .dropdown-content,.pdfjs-toolbar .dropdown.right .dropdown-content{right:0;left:auto}.pdfjs-toolbar .dropdown-value{background-color:#ccc;padding:0 4px 2;cursor:pointer}.pdfjs-toolbar .dropdown-value i{width:auto;font-size:12px}.pdfjs-toolbar .dropdown-content{display:none;position:absolute;margin-top:0;background-color:#eee;min-width:10em;z-index:1;font-size:12px;box-shadow:0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)}.pdfjs-toolbar .dropdown-content a{all:initial;font:inherit;color:#000;padding:6px 8px;text-decoration:none;display:flex;cursor:pointer}.pdfjs-toolbar .dropdown-content i{font-size:16px;padding-right:.5em}.pdfjs-toolbar .dropdown-content a:hover{background-color:#ddd}.dropdown .dropdown-content:hover,.pdfjs-toolbar .dropdown:hover .dropdown-content{display:block}
+/*# sourceMappingURL=pdfjs-viewer.min.css.map */
\ No newline at end of file
diff --git a/dist/pdfjs-viewer.min.css.map b/dist/pdfjs-viewer.min.css.map
new file mode 100644
index 0000000..1ff709a
--- /dev/null
+++ b/dist/pdfjs-viewer.min.css.map
@@ -0,0 +1 @@
+{"version":3,"sources":["dist/pdfjs-viewer.css"],"names":[],"mappings":"AAgBA,cACE,SAAU,KACV,OAAQ,IAAI,MAAM,KAClB,WAAY,KAEd,gCACE,QAAS,KAEX,yCACE,YAAa,IACb,WAAY,gBACZ,cAAe,gBACf,QAAS,MAEX,SACE,SAAU,SACV,cAAe,IACf,WAAY,IACZ,YAAa,KACb,aAAc,KACd,WAAY,EAAE,IAAI,IAAI,EAAE,cAAc,CAAC,EAAE,IAAI,KAAK,EAAE,gBAEtD,gBACE,SAAU,SACV,KAAM,EACN,IAAK,EACL,OAAQ,KACR,MAAO,KAET,qBACE,QAAS,KACT,cAAe,YACf,WAAY,YACZ,OAAQ,KACR,MAAO,KAET,0BACE,OAAQ,YACR,QAAS,YACT,QAAS,eAEX,kCACE,OAAQ,IAAI,MAAM,QAClB,WAAY,IAAI,MAAM,QACtB,cAAe,IACf,MAAO,KACP,OAAQ,KACR,UAAW,KAAK,GAAG,OAAO,SAC1B,OAAQ,KAEV,gBACE,GACE,UAAW,UAEb,KACE,UAAW,gBAGf,eACE,MAAO,KACP,OAAQ,KACR,WAAY,KACZ,QAAS,IACT,eAAgB,OAChB,QAAS,KACT,OAAQ,EACR,QAAS,EAEX,iBACE,OAAQ,KAAK,EAEf,oBACE,aAAc,KACd,YAAa,KACb,MAAO,cACP,UAAW,KAEb,wBACA,sBACA,4BACE,UAAW,KACX,OAAQ,KACR,OAAQ,KACR,QAAS,IAAI,IAAI,EACjB,OAAQ,KAAK,IACb,cAAe,IACf,YAAa,KACb,UAAW,KACX,iBAAkB,KAClB,OAAQ,QAEV,wBACA,8BACE,UAAW,KACX,QAAS,EACT,OAAQ,EAEV,8BACA,4BACA,kCACE,iBAAkB,KAEpB,cACE,iBAAkB,eAEpB,wBACE,MAAO,QAET,wBACE,KAAM,EAER,sBACE,MAAO,EACP,OAAQ,KACR,YAAa,IAAI,MAAM,KAEzB,sBACE,MAAO,KACP,OAAQ,EACR,WAAY,IAAI,MAAM,KACtB,OAAQ,MAAM,EAEhB,wCACA,+BACE,MAAO,MAET,0DACA,iDACE,MAAO,EACP,KAAM,KAER,+BACE,iBAAkB,KAClB,QAAS,EAAE,IAAI,EACf,OAAQ,QAEV,iCACE,MAAO,KACP,UAAW,KAEb,iCACE,QAAS,KACT,SAAU,SACV,WAAY,EACZ,iBAAkB,KAClB,UAAW,KACX,QAAS,EACT,UAAW,KACX,WAAY,EAAE,IAAI,IAAI,EAAE,cAAc,CAAC,EAAE,IAAI,KAAK,EAAE,gBAEtD,mCACE,IAAK,QACL,KAAM,QACN,MAAO,KACP,QAAS,IAAI,IACb,gBAAiB,KACjB,QAAS,KACT,OAAQ,QAEV,mCACE,UAAW,KACX,cAAe,KAEjB,yCACE,iBAAkB,KAEpB,kCACA,iDACE,QAAS","sourcesContent":["/**\n   Copyright 2021 Carlos A. (https://github.com/dealfonso)\n\n   Licensed under the Apache License, Version 2.0 (the \"License\");\n   you may not use this file except in compliance with the License.\n   You may obtain a copy of the License at\n\n       http://www.apache.org/licenses/LICENSE-2.0\n\n   Unless required by applicable law or agreed to in writing, software\n   distributed under the License is distributed on an \"AS IS\" BASIS,\n   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   See the License for the specific language governing permissions and\n   limitations under the License.\n*/\n\n.pdfjs-viewer {\n  overflow: auto;\n  border: 1px solid #aaa;\n  background: #ccc\n}\n.pdfjs-viewer.horizontal-scroll {\n  display: flex\n}\n.pdfjs-viewer.horizontal-scroll .pdfpage {\n  margin-left: 1em;\n  margin-top: .25em!important;\n  margin-bottom: .25em!important;\n  display: block\n}\n.pdfpage {\n  position: relative;\n  margin-bottom: 1em;\n  margin-top: 1em;\n  margin-left: auto;\n  margin-right: auto;\n  box-shadow: 0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)\n}\n.pdfpage canvas {\n  position: absolute;\n  left: 0;\n  top: 0;\n  height: 100%;\n  width: 100%\n}\n.pdfpage.placeholder {\n  display: flex;\n  margin-bottom: 0!important;\n  margin-top: 0!important;\n  height: 100%;\n  width: 100%\n}\n.pdfpage .content-wrapper {\n  margin: 0!important;\n  padding: 0!important;\n  display: flex!important\n}\n.pdfpage .content-wrapper .loader {\n  border: 2px solid #f3f3f3;\n  border-top: 3px solid #3498db;\n  border-radius: 50%;\n  width: 24px;\n  height: 24px;\n  animation: spin 1s linear infinite;\n  margin: auto\n}\n@keyframes spin {\n  0% {\n    transform: rotate(0)\n  }\n  100% {\n    transform: rotate(360deg)\n  }\n}\n.pdfjs-toolbar {\n  width: 100%;\n  height: 32px;\n  background: #ddd;\n  z-index: 100;\n  vertical-align: middle;\n  display: flex;\n  margin: 0;\n  padding: 0\n}\n.pdfjs-toolbar * {\n  margin: auto 0\n}\n.pdfjs-toolbar span {\n  margin-right: .5em;\n  margin-left: .5em;\n  width: 4em!important;\n  font-size: 12px\n}\n.pdfjs-toolbar a.button,\n.pdfjs-toolbar button,\n.pdfjs-toolbar label.button {\n  min-width: 26px;\n  height: 28px;\n  border: none;\n  padding: 2px 4px 0;\n  margin: auto 1px;\n  border-radius: 2px;\n  line-height: 12px;\n  font-size: 14px;\n  background-color: #ddd;\n  cursor: pointer\n}\n.pdfjs-toolbar button i,\n.pdfjs-toolbar label.button i {\n  font-size: 26px;\n  padding: 0;\n  margin: 0\n}\n.pdfjs-toolbar a.button:hover,\n.pdfjs-toolbar button:hover,\n.pdfjs-toolbar label.button:hover {\n  background-color: #ccc\n}\nbutton.pushed {\n  background-color: #aaa!important\n}\n.pdfjs-toolbar a.button {\n  color: inherit\n}\n.pdfjs-toolbar .divider {\n  flex: 1\n}\n.pdfjs-toolbar .v-sep {\n  width: 0;\n  height: 20px;\n  border-left: 1px solid #bbb\n}\n.pdfjs-toolbar .h-sep {\n  width: 100%;\n  height: 0;\n  border-top: 1px solid #bbb;\n  margin: .25em 0\n}\n.pdfjs-toolbar .dropdown.dropdown-right,\n.pdfjs-toolbar .dropdown.right {\n  float: right\n}\n.pdfjs-toolbar .dropdown.dropdown-right .dropdown-content,\n.pdfjs-toolbar .dropdown.right .dropdown-content {\n  right: 0;\n  left: auto\n}\n.pdfjs-toolbar .dropdown-value {\n  background-color: #ccc;\n  padding: 0 4px 2;\n  cursor: pointer\n}\n.pdfjs-toolbar .dropdown-value i {\n  width: auto;\n  font-size: 12px\n}\n.pdfjs-toolbar .dropdown-content {\n  display: none;\n  position: absolute;\n  margin-top: 0;\n  background-color: #eee;\n  min-width: 10em;\n  z-index: 1;\n  font-size: 12px;\n  box-shadow: 0 4px 8px 0 rgba(0,0,0,.1),0 6px 20px 0 rgba(0,0,0,.09)\n}\n.pdfjs-toolbar .dropdown-content a {\n  all: initial;\n  font: inherit;\n  color: #000;\n  padding: 6px 8px;\n  text-decoration: none;\n  display: flex;\n  cursor: pointer\n}\n.pdfjs-toolbar .dropdown-content i {\n  font-size: 16px;\n  padding-right: .5em\n}\n.pdfjs-toolbar .dropdown-content a:hover {\n  background-color: #ddd\n}\n.dropdown .dropdown-content:hover,\n.pdfjs-toolbar .dropdown:hover .dropdown-content {\n  display: block\n}"]}
\ No newline at end of file
diff --git a/dist/pdfjs-viewer.min.js b/dist/pdfjs-viewer.min.js
new file mode 100644
index 0000000..2f22de9
--- /dev/null
+++ b/dist/pdfjs-viewer.min.js
@@ -0,0 +1,2 @@
+/* Copyright 2021 Carlos A. (https://github.com/dealfonso); License: http://www.apache.org/licenses/LICENSE-2.0 */
+(function(exports,$){"use strict";if($===undefined){console.error("jQuery-like library not available");return}let defaults={visibleThreshold:.5,extraPagesToLoad:3,pageClass:"pdfpage",contentClass:"content-wrapper",onDocumentReady:()=>{},onNewPage:(t,e)=>{},onPageRender:(t,e)=>{},zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],onZoomChange:t=>{},onActivePageChanged:(t,e)=>{},zoomFillArea:.95,emptyContent:()=>$('<div class="loader"></div>'),renderingScale:1.5};class Zoomer{constructor(t,e={}){let i={zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],fillArea:.9};this.current=1;this.viewer=t;this.settings=Object.assign({},i,e);this.settings.zoomValues=this.settings.zoomValues.sort()}get(e=null){if(e===null){return this.current}if(parseFloat(e)==e){return e}let t=this.viewer.getActivePage();let i=[];switch(e){case"in":e=this.current;i=this.settings.zoomValues.filter(t=>t>e);if(i.length>0){e=Math.min(...i)}break;case"out":e=this.current;i=this.settings.zoomValues.filter(t=>t<e);if(i.length>0){e=Math.max(...i)}break;case"fit":e=Math.min(this.get("width"),this.get("height"));break;case"width":e=this.settings.fillArea*this.viewer.$container.width()/t.data("width");break;case"height":e=this.settings.fillArea*this.viewer.$container.height()/t.data("height");break;default:e=this.current;break}return e}zoomPages(n){n=this.get(n);this.viewer.getPages().forEach(function(t){let e=t.$div;let i=e.data("width");let s=e.data("height");e.width(i*n).height(s*n);e.data("zoom",n);e.find(`.${this.viewer.settings.contentClass}`).width(i*n).height(s*n)}.bind(this));this.current=n}}class PDFjsViewer{version="2.0.0";constructor(t,e={}){this.settings=Object.assign({},defaults,e);this._zoom=new Zoomer(this,{zoomValues:this.settings.zoomValues,fillArea:this.settings.zoomFillArea});t=$(t);this.$container=t;t.get(0)._pdfjsViewer=this;this._setScrollListener();this.pages=[];this.pdf=null;this._documentReady=false}setZoom(t){let e=this.$container.get(0);let i=this._zoom.current;let s={top:e.scrollTop,left:e.scrollLeft};this._zoom.zoomPages(t);e.scrollLeft=s.left*this._zoom.current/i;e.scrollTop=s.top*this._zoom.current/i;this._visiblePages(true);if(this._documentReady){if(typeof this.settings.onZoomChange==="function")this.settings.onZoomChange.call(this,this._zoom.current);this.$container.get(0).dispatchEvent(new CustomEvent("zoomchange",{detail:{zoom:this._zoom.current}}))}return this._zoom.current}getZoom(){return this._zoom.current}_cleanPage(t){let e=this.settings.emptyContent();t.find(`.${this.settings.contentClass}`).html("").append(e)}_setPageContent(t,e){t.find(`.${this.settings.contentClass}`).html("").append(e)}refreshAll(){this._visiblePages(true)}_setScrollListener(){let i=false;let s={top:0,left:0};this.__scrollHandler=function(t){if(i===true){return}i=true;let e=this.$container.get(0);if(Math.abs(e.scrollTop-s.top)>e.clientHeight*.2*this._zoom.current||Math.abs(e.scrollLeft-s.left)>e.clientWidth*.2*this._zoom.current){s={top:e.scrollTop,left:e.scrollLeft};this._visiblePages()}i=false}.bind(this);this.$container.off("scroll");this.$container.on("scroll",this.__scrollHandler)}_createSkeleton(e,t){let i={$div:null,width:0,height:0,loaded:false};if(e.getViewport!==undefined){let t=e.getViewport({rotation:this._rotation,scale:1});i.width=t.width;i.height=t.height;i.loaded=true}else{i.width=e.width;i.height=e.height}console.assert(i.width>0&&i.height>0,"Page width and height must be greater than 0");i.$div=$(`<div id="page-${t}">`).attr("data-page",t).data("width",i.width).data("height",i.height).data("zoom",this._zoom.current).addClass(this.settings.pageClass).width(i.width*this._zoom.current).height(i.height*this._zoom.current);let s=$(`<div class="${this.settings.contentClass}">`).width(i.width).height(i.height);i.$div.append(s);this._cleanPage(i.$div);return i}_placeSkeleton(t,e){let i=e-1;let s=null;while(i>0&&(s=this.$container.find(`.${this.settings.pageClass}[data-page="${i}"]`)).length===0){i--}if(i===0){this.$container.append(t.$div)}else{s.after(t.$div)}}_createSkeletons(e){for(let t=1;t<=this.pageCount;t++){if(this.pages[t]===undefined){e=this._createSkeleton(e,t);this.pages[t]=e;this._placeSkeleton(e,t);if(typeof this.settings.onNewPage==="function"){this.settings.onNewPage.call(this,e.$div.get(0),t)}this.$container.get(0).dispatchEvent(new CustomEvent("newpage",{detail:{pageNumber:t,page:e.$div.get(0)}}))}}}_setActivePage(e){if(this._activePage!==e){this._activePage=e;let t=this.getActivePage();if(this._documentReady){t=t==null?null:t.get(0);if(typeof this.settings.onActivePageChanged==="function"){this.settings.onActivePageChanged.call(this,t,e)}this.$container.get(0).dispatchEvent(new CustomEvent("activepagechanged",{detail:{activePageNumber:e,activePage:t}}))}}}_areaOfPageVisible(t){if(t===undefined){return 0}let e=this.$container.offset();let i=this.$container.width();let s=this.$container.height();let n=t.offset();n.top-=e.top;n.left-=e.left;n.bottom=n.top+t.outerHeight();n.right=n.left+t.outerWidth();let a=Math.min(Math.max(n.top,0),s);let h=Math.min(Math.max(t.outerHeight()+n.top,0),s);let o=Math.min(Math.max(n.left,0),i);let l=Math.min(Math.max(t.outerWidth()+n.left,0),i);let r=l-o;let g=h-a;return r*g}isPageVisible(t){if(this.pdf===null||t===undefined||t===null||t<1||t>this.pdf.numPages){return false}if(typeof t==="string"){t=parseInt(t)}let e=t;if(typeof t==="number"){if(this.pages[t]===undefined)return false;e=this.pages[t].$div}return this._areaOfPageVisible(e)>e.outerWidth()*e.outerHeight()*this.settings.visibleThreshold}_visiblePages(t=false){let i=0;let s=null;if(this.pages.length===0){this._visibles=[];this._setActivePage(0);return}let e=this.pages.filter(function(t){let e=this._areaOfPageVisible(t.$div);if(e>i){i=e;s=t.$div.data("page")}return e>0}.bind(this)).map(t=>t.$div);this._setActivePage(s);let n=e.map(t=>{return parseInt($(t).data("page"))});if(n.length>0){let e=Math.min(...n);let i=Math.max(...n);for(let t=Math.max(1,e-this.settings.extraPagesToLoad);t<e;t++){if(!n.includes(t))n.push(t)}for(let t=i+1;t<=Math.min(i+this.settings.extraPagesToLoad,this.pdf.numPages);t++){if(!n.includes(t))n.push(t)}}let a=n;if(!t){a=n.filter(function(t){return!this._visibles.includes(t)}.bind(this))}this._visibles.filter(function(t){return!n.includes(t)}).forEach(function(t){this._cleanPage(this.pages[t].$div)}.bind(this));this._visibles=n;this.loadPages(...a)}loadPages(...t){this._pagesLoading.push(...t);if(this._loading){return}this._loadingTask()}_loadingTask(){this._loading=true;if(this._pagesLoading.length>0){let e=this._pagesLoading.shift();this.pdf.getPage(e).then(function(t){this._renderPage(t,e)}.bind(this)).then(function(t){if(this._pagesLoading.length>0){this._loadingTask()}}.bind(this))}this._loading=false}scrollToPage(t){if(this.pages.length===0||this.pages[t]===undefined){return}let e=this.pages[t].$div;if(e.length===0){console.warn(`Page ${t} not found`);return}let i=e.position();let s=this.$container.position();if(i!==undefined){this.$container.get(0).scrollTop=this.$container.get(0).scrollTop+i.top-s.top;this.$container.get(0).scrollLeft=this.$container.get(0).scrollLeft+i.left-s.left}this._setActivePage(t)}_renderPage(t,e){let i=this.pages[e];let s=this.settings.renderingScale;let n=window.devicePixelRatio||1;let a=t.getViewport({rotation:this._rotation,scale:this._zoom.current*s});i.width=a.width/this._zoom.current/s;i.height=a.height/this._zoom.current/s;i.$div.data("width",i.width);i.$div.data("height",i.height);i.$div.width(i.width*this._zoom.current);i.$div.height(i.height*this._zoom.current);i.loaded=true;let h=$("<canvas></canvas>");let o=h.get(0);let l=o.getContext("2d");o.height=a.height*n;o.width=a.width*n;o.getContext("2d");var r=n!==1?[n,0,0,n,0,0]:null;var g={canvasContext:l,viewport:a,transform:r};return t.render(g).promise.then(function(){this._setPageContent(i.$div,h);if(this._documentReady){if(typeof this.settings.onPageRender==="function"){this.settings.onPageRender.call(this,i.$div.get(0),e)}this.$container.get(0).dispatchEvent(new CustomEvent("pagerender",{detail:{pageNumber:e,page:i.$div.get(0)}}))}return i}.bind(this))}getActivePage(){if(this._activePage===null||this.pdf===null){return null}if(this._activePage<1||this._activePage>this.pdf.numPages){return null}return this.pages[this._activePage].$div}getPages(){return this.pages}getPageCount(){if(this.pdf===null){return 0}return this.pdf.numPages}next(){if(this._activePage<this.pdf.numPages){this.scrollToPage(this._activePage+1)}}prev(){if(this._activePage>1){this.scrollToPage(this._activePage-1)}}first(){if(this._activePage!==1){this.scrollToPage(1)}}last(){if(this.pdf===null)return;if(this._activePage!==this.pdf.numPages){this.scrollToPage(this.pdf.numPages)}}rotate(t,e=false){if(e){t=t+this._rotation}this._rotation=t;let i=this.$container.get(0);let s={top:i.scrollTop,left:i.scrollLeft,height:i.scrollHeight,width:i.scrollWidth};return this.forceViewerInitialization().then(function(){let t={top:i.scrollTop,left:i.scrollLeft,height:i.scrollHeight,width:i.scrollWidth};i.scrollTop=s.top*(t.height/s.height);i.scrollLeft=s.left*(t.width/s.width)}.bind(this))}forceViewerInitialization(){this.pages=[];this.$container.find(`.${this.settings.pageClass}`).remove();this._pagesLoading=[];this._loading=false;this._visibles=[];this._activePage=null;return this.pdf.getPage(1).then(function(t){this._createSkeletons(t);this._visiblePages();this._setActivePage(1)}.bind(this))}async loadDocument(t){this._documentReady=false;this.pages=[];this.$container.find(`.${this.settings.pageClass}`).remove();this.pdf=null;let e=pdfjsLib.getDocument(t);return e.promise.then(function(t){this.pdf=t;this.pageCount=t.numPages;this._rotation=0;return this.forceViewerInitialization()}.bind(this)).then(function(){if(typeof this.settings.onDocumentReady==="function"){this.settings.onDocumentReady.call(this)}this.$container.get(0).dispatchEvent(new CustomEvent("documentready",{detail:{document:this.pdf}}));this._setActivePage(0);this._documentReady=true;this._setActivePage(1)}.bind(this))}}function recoverAttributes(target,attributeDefaults){const camelcaseToSnakecase=t=>t.replace(/[A-Z]/g,t=>`-${t.toLowerCase()}`);let $target=$(target);let result={};if($target.length>0){$target=$($target[0]);for(let originalAttributeName in attributeDefaults){let attributeName=camelcaseToSnakecase(originalAttributeName);let attributeValue=$target.attr(attributeName);if(attributeValue!=null){switch(typeof attributeDefaults[originalAttributeName]){case"float":try{attributeValue=parseFloat(attributeValue)}catch(_){}break;case"number":try{attributeValue=parseInt(attributeValue)}catch(_){}break;case"function":let functionString=attributeValue;attributeValue=function(){eval(functionString)}.bind(target[0]);break;default:break}result[originalAttributeName]=attributeValue}}}return result}function init(e){let i=recoverAttributes(e,Object.assign({pdfDocument:"",initialZoom:""},defaults));if(i["pdfDocument"]!=null){let t=new PDFjsViewer($(e),i);t.loadDocument(i["pdfDocument"]).then(function(){if(i["initialZoom"]!=null){t.setZoom(i["initialZoom"])}});e.get(0).pdfViewer=t}}$(function(){$(".pdfjs-viewer").each(function(){let t=$(this);init(t)})});exports.PDFjsViewer=PDFjsViewer})(window,window._$??window.jQuery??undefined);
\ No newline at end of file
diff --git a/dist/pdfjs-viewer.min.js.map b/dist/pdfjs-viewer.min.js.map
new file mode 100644
index 0000000..980f569
--- /dev/null
+++ b/dist/pdfjs-viewer.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"pdfjs-viewer.min.js.map","sources":["pdfjs-viewer.js"],"sourcesContent":["/**\n   Copyright 2021 Carlos A. (https://github.com/dealfonso)\n\n   Licensed under the Apache License, Version 2.0 (the \"License\");\n   you may not use this file except in compliance with the License.\n   You may obtain a copy of the License at\n\n       http://www.apache.org/licenses/LICENSE-2.0\n\n   Unless required by applicable law or agreed to in writing, software\n   distributed under the License is distributed on an \"AS IS\" BASIS,\n   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   See the License for the specific language governing permissions and\n   limitations under the License.\n*/\n\n(function (exports, $) {\n\t\"use strict\";\n\tif ($ === undefined) {\n\t\tconsole.error(\"jQuery-like library not available\");\n\t\treturn;\n\t}\n\tlet defaults = {\n\t\tvisibleThreshold: .5,\n\t\textraPagesToLoad: 3,\n\t\tpageClass: \"pdfpage\",\n\t\tcontentClass: \"content-wrapper\",\n\t\tonDocumentReady: () => {},\n\t\tonNewPage: (page, i) => {},\n\t\tonPageRender: (page, i) => {},\n\t\tzoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],\n\t\tonZoomChange: zoomlevel => {},\n\t\tonActivePageChanged: (page, i) => {},\n\t\tzoomFillArea: .95,\n\t\temptyContent: () => $('<div class=\"loader\"></div>'),\n\t\trenderingScale: 1.5\n\t};\n\tclass Zoomer {\n\t\tconstructor(viewer, options = {}) {\n\t\t\tlet defaults = {\n\t\t\t\tzoomValues: [.25, .5, .75, 1, 1.25, 1.5, 2, 4, 8],\n\t\t\t\tfillArea: .9\n\t\t\t};\n\t\t\tthis.current = 1;\n\t\t\tthis.viewer = viewer;\n\t\t\tthis.settings = Object.assign({}, defaults, options);\n\t\t\tthis.settings.zoomValues = this.settings.zoomValues.sort();\n\t\t}\n\t\tget(zoom = null) {\n\t\t\tif (zoom === null) {\n\t\t\t\treturn this.current;\n\t\t\t}\n\t\t\tif (parseFloat(zoom) == zoom) {\n\t\t\t\treturn zoom;\n\t\t\t}\n\t\t\tlet $activepage = this.viewer.getActivePage();\n\t\t\tlet zoomValues = [];\n\t\t\tswitch (zoom) {\n\t\t\tcase \"in\":\n\t\t\t\tzoom = this.current;\n\t\t\t\tzoomValues = this.settings.zoomValues.filter(x => x > zoom);\n\t\t\t\tif (zoomValues.length > 0) {\n\t\t\t\t\tzoom = Math.min(...zoomValues);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase \"out\":\n\t\t\t\tzoom = this.current;\n\t\t\t\tzoomValues = this.settings.zoomValues.filter(x => x < zoom);\n\t\t\t\tif (zoomValues.length > 0) {\n\t\t\t\t\tzoom = Math.max(...zoomValues);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase \"fit\":\n\t\t\t\tzoom = Math.min(this.get(\"width\"), this.get(\"height\"));\n\t\t\t\tbreak;\n\t\t\tcase \"width\":\n\t\t\t\tzoom = this.settings.fillArea * this.viewer.$container.width() / $activepage.data(\"width\");\n\t\t\t\tbreak;\n\t\t\tcase \"height\":\n\t\t\t\tzoom = this.settings.fillArea * this.viewer.$container.height() / $activepage.data(\"height\");\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tzoom = this.current;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\treturn zoom;\n\t\t}\n\t\tzoomPages(zoom) {\n\t\t\tzoom = this.get(zoom);\n\t\t\tthis.viewer.getPages().forEach(function (page) {\n\t\t\t\tlet $page = page.$div;\n\t\t\t\tlet c_width = $page.data(\"width\");\n\t\t\t\tlet c_height = $page.data(\"height\");\n\t\t\t\t$page.width(c_width * zoom).height(c_height * zoom);\n\t\t\t\t$page.data(\"zoom\", zoom);\n\t\t\t\t$page.find(`.${this.viewer.settings.contentClass}`).width(c_width * zoom).height(c_height * zoom);\n\t\t\t}.bind(this));\n\t\t\tthis.current = zoom;\n\t\t}\n\t}\n\tclass PDFjsViewer {\n\t\tversion = \"2.0.0\";\n\t\tconstructor($container, options = {}) {\n\t\t\tthis.settings = Object.assign({}, defaults, options);\n\t\t\tthis._zoom = new Zoomer(this, {\n\t\t\t\tzoomValues: this.settings.zoomValues,\n\t\t\t\tfillArea: this.settings.zoomFillArea\n\t\t\t});\n\t\t\t$container = $($container);\n\t\t\tthis.$container = $container;\n\t\t\t$container.get(0)._pdfjsViewer = this;\n\t\t\tthis._setScrollListener();\n\t\t\tthis.pages = [];\n\t\t\tthis.pdf = null;\n\t\t\tthis._documentReady = false;\n\t\t}\n\t\tsetZoom(zoom) {\n\t\t\tlet container = this.$container.get(0);\n\t\t\tlet prevzoom = this._zoom.current;\n\t\t\tlet prevScroll = {\n\t\t\t\ttop: container.scrollTop,\n\t\t\t\tleft: container.scrollLeft\n\t\t\t};\n\t\t\tthis._zoom.zoomPages(zoom);\n\t\t\tcontainer.scrollLeft = prevScroll.left * this._zoom.current / prevzoom;\n\t\t\tcontainer.scrollTop = prevScroll.top * this._zoom.current / prevzoom;\n\t\t\tthis._visiblePages(true);\n\t\t\tif (this._documentReady) {\n\t\t\t\tif (typeof this.settings.onZoomChange === \"function\") this.settings.onZoomChange.call(this, this._zoom.current);\n\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"zoomchange\", {\n\t\t\t\t\tdetail: {\n\t\t\t\t\t\tzoom: this._zoom.current\n\t\t\t\t\t}\n\t\t\t\t}));\n\t\t\t}\n\t\t\treturn this._zoom.current;\n\t\t}\n\t\tgetZoom() {\n\t\t\treturn this._zoom.current;\n\t\t}\n\t\t_cleanPage($page) {\n\t\t\tlet $emptyContent = this.settings.emptyContent();\n\t\t\t$page.find(`.${this.settings.contentClass}`).html(\"\").append($emptyContent);\n\t\t}\n\t\t_setPageContent($page, $content) {\n\t\t\t$page.find(`.${this.settings.contentClass}`).html(\"\").append($content);\n\t\t}\n\t\trefreshAll() {\n\t\t\tthis._visiblePages(true);\n\t\t}\n\t\t_setScrollListener() {\n\t\t\tlet scrollLock = false;\n\t\t\tlet scrollPos = {\n\t\t\t\ttop: 0,\n\t\t\t\tleft: 0\n\t\t\t};\n\t\t\tthis.__scrollHandler = function (e) {\n\t\t\t\tif (scrollLock === true) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tscrollLock = true;\n\t\t\t\tlet container = this.$container.get(0);\n\t\t\t\tif (Math.abs(container.scrollTop - scrollPos.top) > container.clientHeight * .2 * this._zoom.current || Math.abs(container.scrollLeft - scrollPos.left) > container.clientWidth * .2 * this._zoom.current) {\n\t\t\t\t\tscrollPos = {\n\t\t\t\t\t\ttop: container.scrollTop,\n\t\t\t\t\t\tleft: container.scrollLeft\n\t\t\t\t\t};\n\t\t\t\t\tthis._visiblePages();\n\t\t\t\t}\n\t\t\t\tscrollLock = false;\n\t\t\t}.bind(this);\n\t\t\tthis.$container.off(\"scroll\");\n\t\t\tthis.$container.on(\"scroll\", this.__scrollHandler);\n\t\t}\n\t\t_createSkeleton(page, i) {\n\t\t\tlet pageinfo = {\n\t\t\t\t$div: null,\n\t\t\t\twidth: 0,\n\t\t\t\theight: 0,\n\t\t\t\tloaded: false\n\t\t\t};\n\t\t\tif (page.getViewport !== undefined) {\n\t\t\t\tlet viewport = page.getViewport({\n\t\t\t\t\trotation: this._rotation,\n\t\t\t\t\tscale: 1\n\t\t\t\t});\n\t\t\t\tpageinfo.width = viewport.width;\n\t\t\t\tpageinfo.height = viewport.height;\n\t\t\t\tpageinfo.loaded = true;\n\t\t\t} else {\n\t\t\t\tpageinfo.width = page.width;\n\t\t\t\tpageinfo.height = page.height;\n\t\t\t}\n\t\t\tconsole.assert(pageinfo.width > 0 && pageinfo.height > 0, \"Page width and height must be greater than 0\");\n\t\t\tpageinfo.$div = $(`<div id=\"page-${i}\">`).attr(\"data-page\", i).data(\"width\", pageinfo.width).data(\"height\", pageinfo.height).data(\"zoom\", this._zoom.current).addClass(this.settings.pageClass).width(pageinfo.width * this._zoom.current).height(pageinfo.height * this._zoom.current);\n\t\t\tlet $content = $(`<div class=\"${this.settings.contentClass}\">`).width(pageinfo.width).height(pageinfo.height);\n\t\t\tpageinfo.$div.append($content);\n\t\t\tthis._cleanPage(pageinfo.$div);\n\t\t\treturn pageinfo;\n\t\t}\n\t\t_placeSkeleton(pageinfo, i) {\n\t\t\tlet prevpage = i - 1;\n\t\t\tlet $prevpage = null;\n\t\t\twhile (prevpage > 0 && ($prevpage = this.$container.find(`.${this.settings.pageClass}[data-page=\"${prevpage}\"]`)).length === 0) {\n\t\t\t\tprevpage--;\n\t\t\t}\n\t\t\tif (prevpage === 0) {\n\t\t\t\tthis.$container.append(pageinfo.$div);\n\t\t\t} else {\n\t\t\t\t$prevpage.after(pageinfo.$div);\n\t\t\t}\n\t\t}\n\t\t_createSkeletons(pageinfo) {\n\t\t\tfor (let i = 1; i <= this.pageCount; i++) {\n\t\t\t\tif (this.pages[i] === undefined) {\n\t\t\t\t\tpageinfo = this._createSkeleton(pageinfo, i);\n\t\t\t\t\tthis.pages[i] = pageinfo;\n\t\t\t\t\tthis._placeSkeleton(pageinfo, i);\n\t\t\t\t\tif (typeof this.settings.onNewPage === \"function\") {\n\t\t\t\t\t\tthis.settings.onNewPage.call(this, pageinfo.$div.get(0), i);\n\t\t\t\t\t}\n\t\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"newpage\", {\n\t\t\t\t\t\tdetail: {\n\t\t\t\t\t\t\tpageNumber: i,\n\t\t\t\t\t\t\tpage: pageinfo.$div.get(0)\n\t\t\t\t\t\t}\n\t\t\t\t\t}));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t_setActivePage(i) {\n\t\t\tif (this._activePage !== i) {\n\t\t\t\tthis._activePage = i;\n\t\t\t\tlet activePage = this.getActivePage();\n\t\t\t\tif (this._documentReady) {\n\t\t\t\t\tactivePage = activePage == null ? null : activePage.get(0);\n\t\t\t\t\tif (typeof this.settings.onActivePageChanged === \"function\") {\n\t\t\t\t\t\tthis.settings.onActivePageChanged.call(this, activePage, i);\n\t\t\t\t\t}\n\t\t\t\t\tthis.$container.get(0).dispatchEvent(new CustomEvent(\"activepagechanged\", {\n\t\t\t\t\t\tdetail: {\n\t\t\t\t\t\t\tactivePageNumber: i,\n\t\t\t\t\t\t\tactivePage: activePage\n\t\t\t\t\t\t}\n\t\t\t\t\t}));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t_areaOfPageVisible($page) {\n\t\t\tif ($page === undefined) {\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t\tlet c_offset = this.$container.offset();\n\t\t\tlet c_width = this.$container.width();\n\t\t\tlet c_height = this.$container.height();\n\t\t\tlet position = $page.offset();\n\t\t\tposition.top -= c_offset.top;\n\t\t\tposition.left -= c_offset.left;\n\t\t\tposition.bottom = position.top + $page.outerHeight();\n\t\t\tposition.right = position.left + $page.outerWidth();\n\t\t\tlet page_y0 = Math.min(Math.max(position.top, 0), c_height);\n\t\t\tlet page_y1 = Math.min(Math.max($page.outerHeight() + position.top, 0), c_height);\n\t\t\tlet page_x0 = Math.min(Math.max(position.left, 0), c_width);\n\t\t\tlet page_x1 = Math.min(Math.max($page.outerWidth() + position.left, 0), c_width);\n\t\t\tlet vis_x = page_x1 - page_x0;\n\t\t\tlet vis_y = page_y1 - page_y0;\n\t\t\treturn vis_x * vis_y;\n\t\t}\n\t\tisPageVisible(i) {\n\t\t\tif (this.pdf === null || i === undefined || i === null || i < 1 || i > this.pdf.numPages) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tif (typeof i === \"string\") {\n\t\t\t\ti = parseInt(i);\n\t\t\t}\n\t\t\tlet $page = i;\n\t\t\tif (typeof i === \"number\") {\n\t\t\t\tif (this.pages[i] === undefined) return false;\n\t\t\t\t$page = this.pages[i].$div;\n\t\t\t}\n\t\t\treturn this._areaOfPageVisible($page) > $page.outerWidth() * $page.outerHeight() * this.settings.visibleThreshold;\n\t\t}\n\t\t_visiblePages(forceRedraw = false) {\n\t\t\tlet max_area = 0;\n\t\t\tlet i_page = null;\n\t\t\tif (this.pages.length === 0) {\n\t\t\t\tthis._visibles = [];\n\t\t\t\tthis._setActivePage(0);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet $visibles = this.pages.filter(function (pageinfo) {\n\t\t\t\tlet areaVisible = this._areaOfPageVisible(pageinfo.$div);\n\t\t\t\tif (areaVisible > max_area) {\n\t\t\t\t\tmax_area = areaVisible;\n\t\t\t\t\ti_page = pageinfo.$div.data(\"page\");\n\t\t\t\t}\n\t\t\t\treturn areaVisible > 0;\n\t\t\t}.bind(this)).map(x => x.$div);\n\t\t\tthis._setActivePage(i_page);\n\t\t\tlet visibles = $visibles.map(x => {\n\t\t\t\treturn parseInt($(x).data(\"page\"));\n\t\t\t});\n\t\t\tif (visibles.length > 0) {\n\t\t\t\tlet minVisible = Math.min(...visibles);\n\t\t\t\tlet maxVisible = Math.max(...visibles);\n\t\t\t\tfor (let i = Math.max(1, minVisible - this.settings.extraPagesToLoad); i < minVisible; i++) {\n\t\t\t\t\tif (!visibles.includes(i)) visibles.push(i);\n\t\t\t\t}\n\t\t\t\tfor (let i = maxVisible + 1; i <= Math.min(maxVisible + this.settings.extraPagesToLoad, this.pdf.numPages); i++) {\n\t\t\t\t\tif (!visibles.includes(i)) visibles.push(i);\n\t\t\t\t}\n\t\t\t}\n\t\t\tlet nowVisibles = visibles;\n\t\t\tif (!forceRedraw) {\n\t\t\t\tnowVisibles = visibles.filter(function (x) {\n\t\t\t\t\treturn !this._visibles.includes(x);\n\t\t\t\t}.bind(this));\n\t\t\t}\n\t\t\tthis._visibles.filter(function (x) {\n\t\t\t\treturn !visibles.includes(x);\n\t\t\t}).forEach(function (i) {\n\t\t\t\tthis._cleanPage(this.pages[i].$div);\n\t\t\t}.bind(this));\n\t\t\tthis._visibles = visibles;\n\t\t\tthis.loadPages(...nowVisibles);\n\t\t}\n\t\tloadPages(...pages) {\n\t\t\tthis._pagesLoading.push(...pages);\n\t\t\tif (this._loading) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tthis._loadingTask();\n\t\t}\n\t\t_loadingTask() {\n\t\t\tthis._loading = true;\n\t\t\tif (this._pagesLoading.length > 0) {\n\t\t\t\tlet pagei = this._pagesLoading.shift();\n\t\t\t\tthis.pdf.getPage(pagei).then(function (page) {\n\t\t\t\t\tthis._renderPage(page, pagei);\n\t\t\t\t}.bind(this)).then(function (pageinfo) {\n\t\t\t\t\tif (this._pagesLoading.length > 0) {\n\t\t\t\t\t\tthis._loadingTask();\n\t\t\t\t\t}\n\t\t\t\t}.bind(this));\n\t\t\t}\n\t\t\tthis._loading = false;\n\t\t}\n\t\tscrollToPage(i) {\n\t\t\tif (this.pages.length === 0 || this.pages[i] === undefined) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet $page = this.pages[i].$div;\n\t\t\tif ($page.length === 0) {\n\t\t\t\tconsole.warn(`Page ${i} not found`);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tlet position = $page.position();\n\t\t\tlet containerPosition = this.$container.position();\n\t\t\tif (position !== undefined) {\n\t\t\t\tthis.$container.get(0).scrollTop = this.$container.get(0).scrollTop + position.top - containerPosition.top;\n\t\t\t\tthis.$container.get(0).scrollLeft = this.$container.get(0).scrollLeft + position.left - containerPosition.left;\n\t\t\t}\n\t\t\tthis._setActivePage(i);\n\t\t}\n\t\t_renderPage(page, i) {\n\t\t\tlet pageinfo = this.pages[i];\n\t\t\tlet scale = this.settings.renderingScale;\n\t\t\tlet pixel_ratio = window.devicePixelRatio || 1;\n\t\t\tlet viewport = page.getViewport({\n\t\t\t\trotation: this._rotation,\n\t\t\t\tscale: this._zoom.current * scale\n\t\t\t});\n\t\t\tpageinfo.width = viewport.width / this._zoom.current / scale;\n\t\t\tpageinfo.height = viewport.height / this._zoom.current / scale;\n\t\t\tpageinfo.$div.data(\"width\", pageinfo.width);\n\t\t\tpageinfo.$div.data(\"height\", pageinfo.height);\n\t\t\tpageinfo.$div.width(pageinfo.width * this._zoom.current);\n\t\t\tpageinfo.$div.height(pageinfo.height * this._zoom.current);\n\t\t\tpageinfo.loaded = true;\n\t\t\tlet $canvas = $(\"<canvas></canvas>\");\n\t\t\tlet canvas = $canvas.get(0);\n\t\t\tlet context = canvas.getContext(\"2d\");\n\t\t\tcanvas.height = viewport.height * pixel_ratio;\n\t\t\tcanvas.width = viewport.width * pixel_ratio;\n\t\t\tcanvas.getContext(\"2d\");\n\t\t\tvar transform = pixel_ratio !== 1 ? 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\ No newline at end of file
diff --git a/pdfjs-viewer.js b/pdfjs-viewer.js
deleted file mode 100644
index 0d4e0ad..0000000
--- a/pdfjs-viewer.js
+++ /dev/null
@@ -1,566 +0,0 @@
-/**
-   Copyright 2021 Carlos A. (https://github.com/dealfonso)
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-(function(exports, $) {
-    "use strict";
-    let defaults = {
-        visibleThreshold: .5,
-        extraPagesToLoad: 3,
-        pageClass: "pdfpage",
-        contentClass: "content-wrapper",
-        onDocumentReady: () => {},
-        onNewPage: (page, i) => {},
-        onPageRender: (page, i) => {},
-        errorPage: () => {
-            $(`<div class="placeholder"></div>`).addClass(this.settings.pageClass).append($(`<p class="m-auto"></p>`).text("could not load document"));
-        },
-        zoomValues: [ .25, .5, .75, 1, 1.25, 1.5, 2, 4, 8 ],
-        onZoomChange: zoomlevel => {},
-        onActivePageChanged: (page, i) => {},
-        zoomFillArea: .95,
-        emptyContent: () => $('<div class="loader"></div>'),
-        renderingScale: 1.5
-    };
-    class Zoomer {
-        constructor(viewer, options = {}) {
-            let defaults = {
-                zoomValues: [ .25, .5, .75, 1, 1.25, 1.5, 2, 4, 8 ],
-                fillArea: .9
-            };
-            this.current = 1;
-            this.viewer = viewer;
-            this.settings = $.extend(defaults, options);
-            this.settings.zoomValues = this.settings.zoomValues.sort();
-        }
-        get(zoom = null) {
-            if (zoom === null) {
-                return this.current;
-            }
-            if (parseFloat(zoom) == zoom) {
-                return zoom;
-            }
-            let $activepage = this.viewer.getActivePage();
-            let zoomValues = [];
-            switch (zoom) {
-              case "in":
-                zoom = this.current;
-                zoomValues = this.settings.zoomValues.filter(x => x > zoom);
-                if (zoomValues.length > 0) {
-                    zoom = Math.min(...zoomValues);
-                }
-                break;
-
-              case "out":
-                zoom = this.current;
-                zoomValues = this.settings.zoomValues.filter(x => x < zoom);
-                if (zoomValues.length > 0) {
-                    zoom = Math.max(...zoomValues);
-                }
-                break;
-
-              case "fit":
-                zoom = Math.min(this.get("width"), this.get("height"));
-                break;
-
-              case "width":
-                zoom = this.settings.fillArea * this.viewer.$container.width() / $activepage.data("width");
-                break;
-
-              case "height":
-                zoom = this.settings.fillArea * this.viewer.$container.height() / $activepage.data("height");
-                break;
-
-              default:
-                zoom = this.current;
-                break;
-            }
-            return zoom;
-        }
-        zoomPages(zoom) {
-            zoom = this.get(zoom);
-            this.viewer.getPages().forEach(function(page) {
-                let $page = page.$div;
-                let c_width = $page.data("width");
-                let c_height = $page.data("height");
-                $page.width(c_width * zoom).height(c_height * zoom);
-                $page.data("zoom", zoom);
-                $page.find(`.${this.viewer.settings.contentClass}`).width(c_width * zoom).height(c_height * zoom);
-            }.bind(this));
-            this.current = zoom;
-        }
-    }
-    class PDFjsViewer {
-        constructor($container, options = {}) {
-            this.settings = $.extend(Object.assign({}, defaults), options);
-            this._zoom = new Zoomer(this, {
-                zoomValues: this.settings.zoomValues,
-                fillArea: this.settings.zoomFillArea
-            });
-            this.$container = $container;
-            $container.get(0)._pdfjsViewer = this;
-            this._setScrollListener();
-            this.pages = [];
-            this.pdf = null;
-            this._documentReady = false;
-        }
-        setZoom(zoom) {
-            let container = this.$container.get(0);
-            let prevzoom = this._zoom.current;
-            let prevScroll = {
-                top: container.scrollTop,
-                left: container.scrollLeft
-            };
-            this._zoom.zoomPages(zoom);
-            container.scrollLeft = prevScroll.left * this._zoom.current / prevzoom;
-            container.scrollTop = prevScroll.top * this._zoom.current / prevzoom;
-            this._visiblePages(true);
-            if (this._documentReady) {
-                if (typeof this.settings.onZoomChange === "function") this.settings.onZoomChange.call(this, this._zoom.current);
-                this.$container.get(0).dispatchEvent(new CustomEvent("zoomchange", {
-                    detail: {
-                        zoom: this._zoom.current
-                    }
-                }));
-            }
-            return this._zoom.current;
-        }
-        getZoom() {
-            return this._zoom.current;
-        }
-        _cleanPage($page) {
-            let $emptyContent = this.settings.emptyContent();
-            $page.find(`.${this.settings.contentClass}`).empty().append($emptyContent);
-        }
-        _setPageContent($page, $content) {
-            $page.find(`.${this.settings.contentClass}`).empty().append($content);
-        }
-        refreshAll() {
-            this._visiblePages(true);
-        }
-        _setScrollListener() {
-            let scrollLock = false;
-            let scrollPos = {
-                top: 0,
-                left: 0
-            };
-            this.__scrollHandler = function(e) {
-                if (scrollLock === true) {
-                    return;
-                }
-                scrollLock = true;
-                let container = this.$container.get(0);
-                if (Math.abs(container.scrollTop - scrollPos.top) > container.clientHeight * .2 * this._zoom.current || Math.abs(container.scrollLeft - scrollPos.left) > container.clientWidth * .2 * this._zoom.current) {
-                    scrollPos = {
-                        top: container.scrollTop,
-                        left: container.scrollLeft
-                    };
-                    this._visiblePages();
-                }
-                scrollLock = false;
-            }.bind(this);
-            this.$container.off("scroll");
-            this.$container.on("scroll", this.__scrollHandler);
-        }
-        _createSkeleton(page, i) {
-            let pageinfo = {
-                $div: null,
-                width: 0,
-                height: 0,
-                loaded: false
-            };
-            if (page.getViewport !== undefined) {
-                let viewport = page.getViewport({
-                    rotation: this._rotation,
-                    scale: 1
-                });
-                pageinfo.width = viewport.width;
-                pageinfo.height = viewport.height;
-                pageinfo.loaded = true;
-            } else {
-                pageinfo.width = page.width;
-                pageinfo.height = page.height;
-            }
-            console.assert(pageinfo.width > 0 && pageinfo.height > 0, "Page width and height must be greater than 0");
-            pageinfo.$div = $(`<div id="page-${i}">`).attr("data-page", i).data("width", pageinfo.width).data("height", pageinfo.height).data("zoom", this._zoom.current).addClass(this.settings.pageClass).width(pageinfo.width * this._zoom.current).height(pageinfo.height * this._zoom.current);
-            let $content = $(`<div class="${this.settings.contentClass}">`).width(pageinfo.width).height(pageinfo.height);
-            pageinfo.$div.append($content);
-            this._cleanPage(pageinfo.$div);
-            return pageinfo;
-        }
-        _placeSkeleton(pageinfo, i) {
-            let prevpage = i - 1;
-            let $prevpage = null;
-            while (prevpage > 0 && ($prevpage = this.$container.find(`.${this.settings.pageClass}[data-page="${prevpage}"]`)).length === 0) {
-                prevpage--;
-            }
-            if (prevpage === 0) {
-                this.$container.append(pageinfo.$div);
-            } else {
-                $prevpage.after(pageinfo.$div);
-            }
-        }
-        _createSkeletons(pageinfo) {
-            for (let i = 1; i <= this.pageCount; i++) {
-                if (this.pages[i] === undefined) {
-                    pageinfo = this._createSkeleton(pageinfo, i);
-                    this.pages[i] = pageinfo;
-                    this._placeSkeleton(pageinfo, i);
-                    if (this._documentReady) {
-                        if (typeof this.settings.onNewPage === "function") {
-                            this.settings.onNewPage.call(this, pageinfo.$div, i);
-                        }
-                        this.$container.get(0).dispatchEvent(new CustomEvent("newpage", {
-                            detail: {
-                                pageNumber: i,
-                                page: pageinfo.$div.get(0)
-                            }
-                        }));
-                    }
-                }
-            }
-        }
-        _setActivePage(i) {
-            if (this._activePage !== i) {
-                this._activePage = i;
-                let activePage = this.getActivePage();
-                if (this._documentReady) {
-                    if (typeof this.settings.onActivePageChanged === "function") this.settings.onActivePageChanged.call(this, activePage, i);
-                    this.$container.get(0).dispatchEvent(new CustomEvent("activepagechanged", {
-                        detail: {
-                            activePageNumber: i,
-                            activePage: activePage == null ? null : activePage.get(0)
-                        }
-                    }));
-                }
-            }
-        }
-        _areaOfPageVisible($page) {
-            if ($page === undefined) {
-                return 0;
-            }
-            let c_offset = this.$container.offset();
-            let c_width = this.$container.width();
-            let c_height = this.$container.height();
-            let position = $page.offset();
-            position.top -= c_offset.top;
-            position.left -= c_offset.left;
-            position.bottom = position.top + $page.outerHeight();
-            position.right = position.left + $page.outerWidth();
-            let page_y0 = Math.min(Math.max(position.top, 0), c_height);
-            let page_y1 = Math.min(Math.max($page.outerHeight() + position.top, 0), c_height);
-            let page_x0 = Math.min(Math.max(position.left, 0), c_width);
-            let page_x1 = Math.min(Math.max($page.outerWidth() + position.left, 0), c_width);
-            let vis_x = page_x1 - page_x0;
-            let vis_y = page_y1 - page_y0;
-            return vis_x * vis_y;
-        }
-        isPageVisible(i) {
-            if (this.pdf === null || i === undefined || i === null || i < 1 || i > this.pdf.numPages) {
-                return false;
-            }
-            let $page = i;
-            if (typeof i === "number") {
-                if (this.pages[i] === undefined) return false;
-                $page = this.pages[i].$div;
-            }
-            return this._areaOfPageVisible($page) > $page.outerWidth() * $page.outerHeight() * this.settings.visibleThreshold;
-        }
-        _visiblePages(forceRedraw = false) {
-            let max_area = 0;
-            let i_page = null;
-            if (this.pages.length === 0) {
-                this._visibles = [];
-                this._setActivePage(0);
-                return;
-            }
-            let $visibles = this.pages.filter(function(pageinfo) {
-                let areaVisible = this._areaOfPageVisible(pageinfo.$div);
-                if (areaVisible > max_area) {
-                    max_area = areaVisible;
-                    i_page = pageinfo.$div.data("page");
-                }
-                return areaVisible > 0;
-            }.bind(this)).map(x => x.$div);
-            this._setActivePage(i_page);
-            let visibles = $visibles.map(x => $(x).data("page"));
-            if (visibles.length > 0) {
-                let minVisible = Math.min(...visibles);
-                let maxVisible = Math.max(...visibles);
-                for (let i = Math.max(1, minVisible - this.settings.extraPagesToLoad); i < minVisible; i++) {
-                    if (!visibles.includes(i)) visibles.push(i);
-                }
-                for (let i = maxVisible + 1; i <= Math.min(maxVisible + this.settings.extraPagesToLoad, this.pdf.numPages); i++) {
-                    if (!visibles.includes(i)) visibles.push(i);
-                }
-            }
-            let nowVisibles = visibles;
-            if (!forceRedraw) {
-                nowVisibles = visibles.filter(function(x) {
-                    return !this._visibles.includes(x);
-                }.bind(this));
-            }
-            this._visibles.filter(function(x) {
-                return !visibles.includes(x);
-            }).forEach(function(i) {
-                this._cleanPage(this.pages[i].$div);
-            }.bind(this));
-            this._visibles = visibles;
-            this.loadPages(...nowVisibles);
-        }
-        loadPages(...pages) {
-            this._pagesLoading.push(...pages);
-            if (this._loading) {
-                return;
-            }
-            this._loadingTask();
-        }
-        _loadingTask() {
-            this._loading = true;
-            if (this._pagesLoading.length > 0) {
-                let pagei = this._pagesLoading.shift();
-                this.pdf.getPage(pagei).then(function(page) {
-                    this._renderPage(page, pagei);
-                }.bind(this)).then(function(pageinfo) {
-                    if (this._pagesLoading.length > 0) {
-                        this._loadingTask();
-                    }
-                }.bind(this));
-            }
-            this._loading = false;
-        }
-        scrollToPage(i) {
-            if (this.pages.length === 0 || this.pages[i] === undefined) {
-                return;
-            }
-            let $page = this.pages[i].$div;
-            if ($page.length === 0) {
-                console.warn(`Page ${i} not found`);
-                return;
-            }
-            let position = $page.position();
-            let containerPosition = this.$container.position();
-            if (position !== undefined) {
-                this.$container.get(0).scrollTop = this.$container.get(0).scrollTop + position.top - containerPosition.top;
-                this.$container.get(0).scrollLeft = this.$container.get(0).scrollLeft + position.left - containerPosition.left;
-            }
-            this._setActivePage(i);
-        }
-        _renderPage(page, i) {
-            let pageinfo = this.pages[i];
-            let scale = this.settings.renderingScale;
-            let pixel_ratio = window.devicePixelRatio || 1;
-            let viewport = page.getViewport({
-                rotation: this._rotation,
-                scale: this._zoom.current * scale
-            });
-            pageinfo.width = viewport.width / this._zoom.current / scale;
-            pageinfo.height = viewport.height / this._zoom.current / scale;
-            pageinfo.$div.data("width", pageinfo.width);
-            pageinfo.$div.data("height", pageinfo.height);
-            pageinfo.$div.width(pageinfo.width * this._zoom.current);
-            pageinfo.$div.height(pageinfo.height * this._zoom.current);
-            pageinfo.loaded = true;
-            let $canvas = $("<canvas></canvas>");
-            let canvas = $canvas.get(0);
-            let context = canvas.getContext("2d");
-            canvas.height = viewport.height * pixel_ratio;
-            canvas.width = viewport.width * pixel_ratio;
-            canvas.getContext("2d");
-            var transform = pixel_ratio !== 1 ? [ pixel_ratio, 0, 0, pixel_ratio, 0, 0 ] : null;
-            var renderContext = {
-                canvasContext: context,
-                viewport: viewport,
-                transform: transform
-            };
-            return page.render(renderContext).promise.then(function() {
-                this._setPageContent(pageinfo.$div, $canvas);
-                if (this._documentReady) {
-                    if (typeof this.settings.onPageRender === "function") {
-                        this.settings.onPageRender.call(this, pageinfo.$div, i);
-                    }
-                    this.$container.get(0).dispatchEvent(new CustomEvent("pagerender", {
-                        detail: {
-                            pageNumber: i,
-                            page: pageinfo.$div.get(0)
-                        }
-                    }));
-                }
-                return pageinfo;
-            }.bind(this));
-        }
-        getActivePage() {
-            if (this._activePage === null || this.pdf === null) {
-                return null;
-            }
-            if (this._activePage < 1 || this._activePage > this.pdf.numPages) {
-                return null;
-            }
-            return this.pages[this._activePage].$div;
-        }
-        getPages() {
-            return this.pages;
-        }
-        getPageCount() {
-            if (this.pdf === null) {
-                return 0;
-            }
-            return this.pdf.numPages;
-        }
-        next() {
-            if (this._activePage < this.pdf.numPages) {
-                this.scrollToPage(this._activePage + 1);
-            }
-        }
-        prev() {
-            if (this._activePage > 1) {
-                this.scrollToPage(this._activePage - 1);
-            }
-        }
-        first() {
-            if (this._activePage !== 1) {
-                this.scrollToPage(1);
-            }
-        }
-        last() {
-            if (this.pdf === null) return;
-            if (this._activePage !== this.pdf.numPages) {
-                this.scrollToPage(this.pdf.numPages);
-            }
-        }
-        rotate(deg, accumulate = false) {
-            if (accumulate) {
-                deg = deg + this._rotation;
-            }
-            this._rotation = deg;
-            let container = this.$container.get(0);
-            let prevScroll = {
-                top: container.scrollTop,
-                left: container.scrollLeft,
-                height: container.scrollHeight,
-                width: container.scrollWidth
-            };
-            return this.forceViewerInitialization().then(function() {
-                let newScroll = {
-                    top: container.scrollTop,
-                    left: container.scrollLeft,
-                    height: container.scrollHeight,
-                    width: container.scrollWidth
-                };
-                container.scrollTop = prevScroll.top * (newScroll.height / prevScroll.height);
-                container.scrollLeft = prevScroll.left * (newScroll.width / prevScroll.width);
-            }.bind(this));
-        }
-        forceViewerInitialization() {
-            this.pages = [];
-            this.$container.find(`.${this.settings.pageClass}`).remove();
-            this._pagesLoading = [];
-            this._loading = false;
-            this._visibles = [];
-            this._activePage = null;
-            return this.pdf.getPage(1).then(function(page) {
-                this._createSkeletons(page);
-                this._visiblePages();
-                this._setActivePage(1);
-            }.bind(this));
-        }
-        async loadDocument(document) {
-            this._documentReady = false;
-            this.pages = [];
-            this.$container.find(`.${this.settings.pageClass}`).remove();
-            this.pdf = null;
-            let loadingTask = pdfjsLib.getDocument(document);
-            return loadingTask.promise.then(function(pdf) {
-                this.pdf = pdf;
-                this.pageCount = pdf.numPages;
-                this._rotation = 0;
-                return this.forceViewerInitialization();
-            }.bind(this)).then(function() {
-                if (typeof this.settings.onDocumentReady === "function") {
-                    this.settings.onDocumentReady.call(this);
-                }
-                this.$container.get(0).dispatchEvent(new CustomEvent("documentready", {
-                    detail: {
-                        document: this.pdf
-                    }
-                }));
-                this._setActivePage(0);
-                this._documentReady = true;
-                this._setActivePage(1);
-            }.bind(this));
-        }
-    }
-    function recoverAttributes(target, attributeDefaults) {
-        const camelcaseToSnakecase = str => str.replace(/[A-Z]/g, letter => `-${letter.toLowerCase()}`);
-        let $target = $(target);
-        let result = {};
-        if ($target.length > 0) {
-            $target = $($target[0]);
-            for (let originalAttributeName in attributeDefaults) {
-                let attributeName = camelcaseToSnakecase(originalAttributeName);
-                let attributeValue = $target.attr(attributeName);
-                if (attributeValue != null) {
-                    switch (typeof attributeDefaults[originalAttributeName]) {
-                      case "float":
-                        try {
-                            attributeValue = parseFloat(attributeValue);
-                        } catch (_) {}
-                        break;
-
-                      case "number":
-                        try {
-                            attributeValue = parseInt(attributeValue);
-                        } catch (_) {}
-                        break;
-
-                      case "function":
-                        let functionString = attributeValue;
-                        attributeValue = function() {
-                            eval(functionString);
-                        }.bind(target[0]);
-                        break;
-
-                      default:
-                        break;
-                    }
-                    result[originalAttributeName] = attributeValue;
-                }
-            }
-        }
-        return result;
-    }
-    function init(element) {
-        let options = recoverAttributes(element, Object.assign({
-            pdfDocument: "",
-            initialZoom: ""
-        }, defaults));
-        if (options["pdfDocument"] != null) {
-            let pdfViewer = new PDFjsViewer($(element), options);
-            pdfViewer.loadDocument(options["pdfDocument"]).then(function() {
-                if (options["initialZoom"] != null) {
-                    pdfViewer.setZoom(options["initialZoom"]);
-                }
-            });
-            element.get(0).pdfViewer = pdfViewer;
-        }
-    }
-    $(function() {
-        $(".pdfjs-viewer").each(function() {
-            let $viewer = $(this);
-            init($viewer);
-        });
-    });
-    exports.PDFjsViewer = PDFjsViewer;
-})(window, jQuery);
diff --git a/pdfjs-viewer.min.js b/pdfjs-viewer.min.js
deleted file mode 100644
index b031903..0000000
--- a/pdfjs-viewer.min.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/* Copyright 2021 Carlos A. (https://github.com/dealfonso); License: http://www.apache.org/licenses/LICENSE-2.0 */
-(function(exports,$){"use strict";let defaults={visibleThreshold:.5,extraPagesToLoad:3,pageClass:"pdfpage",contentClass:"content-wrapper",onDocumentReady:()=>{},onNewPage:(page,i)=>{},onPageRender:(page,i)=>{},errorPage:()=>{$(`<div class="placeholder"></div>`).addClass(this.settings.pageClass).append($(`<p class="m-auto"></p>`).text("could not load document"))},zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],onZoomChange:zoomlevel=>{},onActivePageChanged:(page,i)=>{},zoomFillArea:.95,emptyContent:()=>$('<div class="loader"></div>'),renderingScale:1.5};class Zoomer{constructor(viewer,options={}){let defaults={zoomValues:[.25,.5,.75,1,1.25,1.5,2,4,8],fillArea:.9};this.current=1;this.viewer=viewer;this.settings=$.extend(defaults,options);this.settings.zoomValues=this.settings.zoomValues.sort()}get(zoom=null){if(zoom===null){return this.current}if(parseFloat(zoom)==zoom){return zoom}let $activepage=this.viewer.getActivePage();let zoomValues=[];switch(zoom){case"in":zoom=this.current;zoomValues=this.settings.zoomValues.filter(x=>x>zoom);if(zoomValues.length>0){zoom=Math.min(...zoomValues)}break;case"out":zoom=this.current;zoomValues=this.settings.zoomValues.filter(x=>x<zoom);if(zoomValues.length>0){zoom=Math.max(...zoomValues)}break;case"fit":zoom=Math.min(this.get("width"),this.get("height"));break;case"width":zoom=this.settings.fillArea*this.viewer.$container.width()/$activepage.data("width");break;case"height":zoom=this.settings.fillArea*this.viewer.$container.height()/$activepage.data("height");break;default:zoom=this.current;break}return zoom}zoomPages(zoom){zoom=this.get(zoom);this.viewer.getPages().forEach(function(page){let $page=page.$div;let c_width=$page.data("width");let c_height=$page.data("height");$page.width(c_width*zoom).height(c_height*zoom);$page.data("zoom",zoom);$page.find(`.${this.viewer.settings.contentClass}`).width(c_width*zoom).height(c_height*zoom)}.bind(this));this.current=zoom}}class PDFjsViewer{constructor($container,options={}){this.settings=$.extend(Object.assign({},defaults),options);this._zoom=new Zoomer(this,{zoomValues:this.settings.zoomValues,fillArea:this.settings.zoomFillArea});this.$container=$container;$container.get(0)._pdfjsViewer=this;this._setScrollListener();this.pages=[];this.pdf=null;this._documentReady=false}setZoom(zoom){let container=this.$container.get(0);let prevzoom=this._zoom.current;let prevScroll={top:container.scrollTop,left:container.scrollLeft};this._zoom.zoomPages(zoom);container.scrollLeft=prevScroll.left*this._zoom.current/prevzoom;container.scrollTop=prevScroll.top*this._zoom.current/prevzoom;this._visiblePages(true);if(this._documentReady){if(typeof this.settings.onZoomChange==="function")this.settings.onZoomChange.call(this,this._zoom.current);this.$container.get(0).dispatchEvent(new CustomEvent("zoomchange",{detail:{zoom:this._zoom.current}}))}return this._zoom.current}getZoom(){return this._zoom.current}_cleanPage($page){let $emptyContent=this.settings.emptyContent();$page.find(`.${this.settings.contentClass}`).empty().append($emptyContent)}_setPageContent($page,$content){$page.find(`.${this.settings.contentClass}`).empty().append($content)}refreshAll(){this._visiblePages(true)}_setScrollListener(){let scrollLock=false;let scrollPos={top:0,left:0};this.__scrollHandler=function(e){if(scrollLock===true){return}scrollLock=true;let container=this.$container.get(0);if(Math.abs(container.scrollTop-scrollPos.top)>container.clientHeight*.2*this._zoom.current||Math.abs(container.scrollLeft-scrollPos.left)>container.clientWidth*.2*this._zoom.current){scrollPos={top:container.scrollTop,left:container.scrollLeft};this._visiblePages()}scrollLock=false}.bind(this);this.$container.off("scroll");this.$container.on("scroll",this.__scrollHandler)}_createSkeleton(page,i){let pageinfo={$div:null,width:0,height:0,loaded:false};if(page.getViewport!==undefined){let viewport=page.getViewport({rotation:this._rotation,scale:1});pageinfo.width=viewport.width;pageinfo.height=viewport.height;pageinfo.loaded=true}else{pageinfo.width=page.width;pageinfo.height=page.height}console.assert(pageinfo.width>0&&pageinfo.height>0,"Page width and height must be greater than 0");pageinfo.$div=$(`<div id="page-${i}">`).attr("data-page",i).data("width",pageinfo.width).data("height",pageinfo.height).data("zoom",this._zoom.current).addClass(this.settings.pageClass).width(pageinfo.width*this._zoom.current).height(pageinfo.height*this._zoom.current);let $content=$(`<div class="${this.settings.contentClass}">`).width(pageinfo.width).height(pageinfo.height);pageinfo.$div.append($content);this._cleanPage(pageinfo.$div);return pageinfo}_placeSkeleton(pageinfo,i){let prevpage=i-1;let $prevpage=null;while(prevpage>0&&($prevpage=this.$container.find(`.${this.settings.pageClass}[data-page="${prevpage}"]`)).length===0){prevpage--}if(prevpage===0){this.$container.append(pageinfo.$div)}else{$prevpage.after(pageinfo.$div)}}_createSkeletons(pageinfo){for(let i=1;i<=this.pageCount;i++){if(this.pages[i]===undefined){pageinfo=this._createSkeleton(pageinfo,i);this.pages[i]=pageinfo;this._placeSkeleton(pageinfo,i);if(this._documentReady){if(typeof this.settings.onNewPage==="function"){this.settings.onNewPage.call(this,pageinfo.$div,i)}this.$container.get(0).dispatchEvent(new CustomEvent("newpage",{detail:{pageNumber:i,page:pageinfo.$div.get(0)}}))}}}}_setActivePage(i){if(this._activePage!==i){this._activePage=i;let activePage=this.getActivePage();if(this._documentReady){if(typeof this.settings.onActivePageChanged==="function")this.settings.onActivePageChanged.call(this,activePage,i);this.$container.get(0).dispatchEvent(new CustomEvent("activepagechanged",{detail:{activePageNumber:i,activePage:activePage==null?null:activePage.get(0)}}))}}}_areaOfPageVisible($page){if($page===undefined){return 0}let c_offset=this.$container.offset();let c_width=this.$container.width();let c_height=this.$container.height();let position=$page.offset();position.top-=c_offset.top;position.left-=c_offset.left;position.bottom=position.top+$page.outerHeight();position.right=position.left+$page.outerWidth();let page_y0=Math.min(Math.max(position.top,0),c_height);let page_y1=Math.min(Math.max($page.outerHeight()+position.top,0),c_height);let page_x0=Math.min(Math.max(position.left,0),c_width);let page_x1=Math.min(Math.max($page.outerWidth()+position.left,0),c_width);let vis_x=page_x1-page_x0;let vis_y=page_y1-page_y0;return vis_x*vis_y}isPageVisible(i){if(this.pdf===null||i===undefined||i===null||i<1||i>this.pdf.numPages){return false}let $page=i;if(typeof i==="number"){if(this.pages[i]===undefined)return false;$page=this.pages[i].$div}return this._areaOfPageVisible($page)>$page.outerWidth()*$page.outerHeight()*this.settings.visibleThreshold}_visiblePages(forceRedraw=false){let max_area=0;let i_page=null;if(this.pages.length===0){this._visibles=[];this._setActivePage(0);return}let $visibles=this.pages.filter(function(pageinfo){let areaVisible=this._areaOfPageVisible(pageinfo.$div);if(areaVisible>max_area){max_area=areaVisible;i_page=pageinfo.$div.data("page")}return areaVisible>0}.bind(this)).map(x=>x.$div);this._setActivePage(i_page);let visibles=$visibles.map(x=>$(x).data("page"));if(visibles.length>0){let minVisible=Math.min(...visibles);let maxVisible=Math.max(...visibles);for(let i=Math.max(1,minVisible-this.settings.extraPagesToLoad);i<minVisible;i++){if(!visibles.includes(i))visibles.push(i)}for(let i=maxVisible+1;i<=Math.min(maxVisible+this.settings.extraPagesToLoad,this.pdf.numPages);i++){if(!visibles.includes(i))visibles.push(i)}}let nowVisibles=visibles;if(!forceRedraw){nowVisibles=visibles.filter(function(x){return!this._visibles.includes(x)}.bind(this))}this._visibles.filter(function(x){return!visibles.includes(x)}).forEach(function(i){this._cleanPage(this.pages[i].$div)}.bind(this));this._visibles=visibles;this.loadPages(...nowVisibles)}loadPages(...pages){this._pagesLoading.push(...pages);if(this._loading){return}this._loadingTask()}_loadingTask(){this._loading=true;if(this._pagesLoading.length>0){let pagei=this._pagesLoading.shift();this.pdf.getPage(pagei).then(function(page){this._renderPage(page,pagei)}.bind(this)).then(function(pageinfo){if(this._pagesLoading.length>0){this._loadingTask()}}.bind(this))}this._loading=false}scrollToPage(i){if(this.pages.length===0||this.pages[i]===undefined){return}let $page=this.pages[i].$div;if($page.length===0){console.warn(`Page ${i} not found`);return}let position=$page.position();let containerPosition=this.$container.position();if(position!==undefined){this.$container.get(0).scrollTop=this.$container.get(0).scrollTop+position.top-containerPosition.top;this.$container.get(0).scrollLeft=this.$container.get(0).scrollLeft+position.left-containerPosition.left}this._setActivePage(i)}_renderPage(page,i){let pageinfo=this.pages[i];let scale=this.settings.renderingScale;let pixel_ratio=window.devicePixelRatio||1;let viewport=page.getViewport({rotation:this._rotation,scale:this._zoom.current*scale});pageinfo.width=viewport.width/this._zoom.current/scale;pageinfo.height=viewport.height/this._zoom.current/scale;pageinfo.$div.data("width",pageinfo.width);pageinfo.$div.data("height",pageinfo.height);pageinfo.$div.width(pageinfo.width*this._zoom.current);pageinfo.$div.height(pageinfo.height*this._zoom.current);pageinfo.loaded=true;let $canvas=$("<canvas></canvas>");let canvas=$canvas.get(0);let context=canvas.getContext("2d");canvas.height=viewport.height*pixel_ratio;canvas.width=viewport.width*pixel_ratio;canvas.getContext("2d");var transform=pixel_ratio!==1?[pixel_ratio,0,0,pixel_ratio,0,0]:null;var renderContext={canvasContext:context,viewport:viewport,transform:transform};return page.render(renderContext).promise.then(function(){this._setPageContent(pageinfo.$div,$canvas);if(this._documentReady){if(typeof this.settings.onPageRender==="function"){this.settings.onPageRender.call(this,pageinfo.$div,i)}this.$container.get(0).dispatchEvent(new CustomEvent("pagerender",{detail:{pageNumber:i,page:pageinfo.$div.get(0)}}))}return pageinfo}.bind(this))}getActivePage(){if(this._activePage===null||this.pdf===null){return null}if(this._activePage<1||this._activePage>this.pdf.numPages){return null}return this.pages[this._activePage].$div}getPages(){return this.pages}getPageCount(){if(this.pdf===null){return 0}return this.pdf.numPages}next(){if(this._activePage<this.pdf.numPages){this.scrollToPage(this._activePage+1)}}prev(){if(this._activePage>1){this.scrollToPage(this._activePage-1)}}first(){if(this._activePage!==1){this.scrollToPage(1)}}last(){if(this.pdf===null)return;if(this._activePage!==this.pdf.numPages){this.scrollToPage(this.pdf.numPages)}}rotate(deg,accumulate=false){if(accumulate){deg=deg+this._rotation}this._rotation=deg;let container=this.$container.get(0);let prevScroll={top:container.scrollTop,left:container.scrollLeft,height:container.scrollHeight,width:container.scrollWidth};return this.forceViewerInitialization().then(function(){let newScroll={top:container.scrollTop,left:container.scrollLeft,height:container.scrollHeight,width:container.scrollWidth};container.scrollTop=prevScroll.top*(newScroll.height/prevScroll.height);container.scrollLeft=prevScroll.left*(newScroll.width/prevScroll.width)}.bind(this))}forceViewerInitialization(){this.pages=[];this.$container.find(`.${this.settings.pageClass}`).remove();this._pagesLoading=[];this._loading=false;this._visibles=[];this._activePage=null;return this.pdf.getPage(1).then(function(page){this._createSkeletons(page);this._visiblePages();this._setActivePage(1)}.bind(this))}async loadDocument(document){this._documentReady=false;this.pages=[];this.$container.find(`.${this.settings.pageClass}`).remove();this.pdf=null;let loadingTask=pdfjsLib.getDocument(document);return loadingTask.promise.then(function(pdf){this.pdf=pdf;this.pageCount=pdf.numPages;this._rotation=0;return this.forceViewerInitialization()}.bind(this)).then(function(){if(typeof this.settings.onDocumentReady==="function"){this.settings.onDocumentReady.call(this)}this.$container.get(0).dispatchEvent(new CustomEvent("documentready",{detail:{document:this.pdf}}));this._setActivePage(0);this._documentReady=true;this._setActivePage(1)}.bind(this))}}function recoverAttributes(target,attributeDefaults){const camelcaseToSnakecase=str=>str.replace(/[A-Z]/g,letter=>`-${letter.toLowerCase()}`);let $target=$(target);let result={};if($target.length>0){$target=$($target[0]);for(let originalAttributeName in attributeDefaults){let attributeName=camelcaseToSnakecase(originalAttributeName);let attributeValue=$target.attr(attributeName);if(attributeValue!=null){switch(typeof attributeDefaults[originalAttributeName]){case"float":try{attributeValue=parseFloat(attributeValue)}catch(_){}break;case"number":try{attributeValue=parseInt(attributeValue)}catch(_){}break;case"function":let functionString=attributeValue;attributeValue=function(){eval(functionString)}.bind(target[0]);break;default:break}result[originalAttributeName]=attributeValue}}}return result}function init(element){let options=recoverAttributes(element,Object.assign({pdfDocument:"",initialZoom:""},defaults));if(options["pdfDocument"]!=null){let pdfViewer=new PDFjsViewer($(element),options);pdfViewer.loadDocument(options["pdfDocument"]).then(function(){if(options["initialZoom"]!=null){pdfViewer.setZoom(options["initialZoom"])}});element.get(0).pdfViewer=pdfViewer}}$(function(){$(".pdfjs-viewer").each(function(){let $viewer=$(this);init($viewer)})});exports.PDFjsViewer=PDFjsViewer})(window,jQuery);