1 files changed, 9 insertions, 8 deletions

diff --git a/core/misc/progress.js b/core/misc/progress.js
index 82280aac4edd..fc532a897d36 100644
--- a/core/misc/progress.js
+++ b/core/misc/progress.js
@@ -7,7 +7,7 @@
 
 (function ($, Drupal) {
   Drupal.theme.progressBar = function (id) {
-    return '<div id="' + id + '" class="progress" aria-live="polite">' + '<div class="progress__label">&nbsp;</div>' + '<div class="progress__track"><div class="progress__bar"></div></div>' + '<div class="progress__percentage"></div>' + '<div class="progress__description">&nbsp;</div>' + '</div>';
+    return "<div id=\"".concat(id, "\" class=\"progress\" aria-live=\"polite\">") + '<div class="progress__label">&nbsp;</div>' + '<div class="progress__track"><div class="progress__bar"></div></div>' + '<div class="progress__percentage"></div>' + '<div class="progress__description">&nbsp;</div>' + '</div>';
   };
 
   Drupal.ProgressBar = function (id, updateCallback, method, errorCallback) {
@@ -15,18 +15,19 @@
     this.method = method || 'GET';
     this.updateCallback = updateCallback;
     this.errorCallback = errorCallback;
-
     this.element = $(Drupal.theme('progressBar', id));
   };
 
   $.extend(Drupal.ProgressBar.prototype, {
     setProgress: function setProgress(percentage, message, label) {
       if (percentage >= 0 && percentage <= 100) {
-        $(this.element).find('div.progress__bar').css('width', percentage + '%');
-        $(this.element).find('div.progress__percentage').html(percentage + '%');
+        $(this.element).find('div.progress__bar').css('width', "".concat(percentage, "%"));
+        $(this.element).find('div.progress__percentage').html("".concat(percentage, "%"));
       }
+
       $('div.progress__description', this.element).html(message);
       $('div.progress__label', this.element).html(label);
+
       if (this.updateCallback) {
         this.updateCallback(percentage, message, this);
       }
@@ -38,22 +39,23 @@
     },
     stopMonitoring: function stopMonitoring() {
       clearTimeout(this.timer);
-
       this.uri = null;
     },
     sendPing: function sendPing() {
       if (this.timer) {
         clearTimeout(this.timer);
       }
+
       if (this.uri) {
         var pb = this;
-
         var uri = this.uri;
+
         if (uri.indexOf('?') === -1) {
           uri += '?';
         } else {
           uri += '&';
         }
+
         uri += '_format=json';
         $.ajax({
           type: this.method,
@@ -67,14 +69,13 @@
             }
 
             pb.setProgress(progress.percentage, progress.message, progress.label);
-
             pb.timer = setTimeout(function () {
               pb.sendPing();
             }, pb.delay);
           },
           error: function error(xmlhttp) {
             var e = new Drupal.AjaxError(xmlhttp, pb.uri);
-            pb.displayError('<pre>' + e.message + '</pre>');
+            pb.displayError("<pre>".concat(e.message, "</pre>"));
           }
         });
       }