add pdf.worker

app/modules/anpdf/anpdf.phtml

@@ -11,7 +11,7 @@
     var pageNumber = <?=$page?>;
 </script>
 
-<script src="/pub/scripts/anpdf.js"></script>
+
 <!-- Rating Mail.ru counter -->
 <script type="text/javascript">
 var _tmr = window._tmr || (window._tmr = []);
@@ -75,7 +75,9 @@ _tmr.push({id: "1069168", type: "pageView", start: (new Date()).getTime()});
         t.parentNode.insertBefore(s, t);
     })(this, this.document, "yandexContextAsyncCallbacks");
 </script>
-<canvas id="the-canvas" style="width:100%;margin: 2% 0;text-align:center;">Загружаем pdf. Пожалуйста подождите...</canvas>
+<div id="pdfprogress">Идет обращение к серверу...</div>
+<canvas id="the-canvas" style="width:100%;margin: 2% 0;text-align:center;"></canvas>
+<script src="/pub/scripts/anpdf.js"></script>
 
 <div style="display: flex;align-items:center;height: 51px;width: 100%;background: #2c2e35;box-sizing: border-box;">
     <ul id="pdf-nav" style="font-size: 1.1em;width: 60%;font-weight:bold;display: flex;justify-content: center;padding:0px;">

app/pub/scripts/anpdf.js

@@ -5,17 +5,20 @@
 var pdfjsLib = window['pdfjs-dist/build/pdf'];
 
 // The workerSrc property shall be specified.
-pdfjsLib.GlobalWorkerOptions.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.js';
+pdfjsLib.GlobalWorkerOptions.workerSrc = '/pub/scripts/pdf.worker.js';
+
+document.getElementById('pdfprogress').innerHTML = 'Идет подготовка страницы ...';
 
 // Asynchronous download of PDF
 var loadingTask = pdfjsLib.getDocument(url);
 loadingTask.promise.then(function(pdf) {
   console.log('PDF loaded');
+  document.getElementById('pdfprogress').innerHTML = 'Загружаем pdf. Пожалуйста подождите... ...';
   
   // Fetch the first page
   
   pdf.getPage(pageNumber).then(function(page) {
-    console.log('Page loaded');
+    document.getElementById('pdfprogress').innerHTML = 'Идет обработка страницы ...';
     
     
     var viewport = page.getViewport({scale: scale});
@@ -33,7 +36,7 @@ loadingTask.promise.then(function(pdf) {
     };
     var renderTask = page.render(renderContext);
     renderTask.promise.then(function () {
-      console.log('Page rendered');
+        document.getElementById('pdfprogress').innerHTML = 'Страница загружена';
     });
   });
 }, function (reason) {