format

client-data/tools/download/download.js

         // Copy the stylesheets from the whiteboard to the exported SVG
         styleNode.innerHTML = Array.from(document.styleSheets)
             .filter(function (stylesheet) {
-                if(stylesheet.href && (stylesheet.href.match(/boards\/tools\/.*\.css/)
+                if (stylesheet.href && (stylesheet.href.match(/boards\/tools\/.*\.css/)
                     || stylesheet.href.match(/board\.css/))) {
                     // This is a Stylesheet from a Tool or the Board itself, so we should include it
                     return true;
                 return Array.from(stylesheet.cssRules).map(
                     function (rule) {
                         return rule.cssText
-                }
-            )}
-        ).join("\n")
+                    }
+                )
+            }
+            ).join("\n")
 
         canvasCopy.appendChild(styleNode);
-        downloadContent(new Blob([canvasCopy.outerHTML || new XMLSerializer().serializeToString(canvasCopy)], { type: 'image/svg+xml;charset=utf-8' }), Tools.boardName + ".svg")
+        var outerHTML = canvasCopy.outerHTML || new XMLSerializer().serializeToString(canvasCopy);
+        var blob = new Blob([outerHTML], { type: 'image/svg+xml;charset=utf-8' });
+        downloadContent(blob, Tools.boardName + ".svg");
     }
 
-    function downloadContent(blob, filename){
-        if (window.navigator.msSaveBlob) {
+    function downloadContent(blob, filename) {
+        if (window.navigator.msSaveBlob) { // Internet Explorer
             window.navigator.msSaveBlob(blob, filename);
-          } else {
+        } else {
             const url = URL.createObjectURL(blob);
             var element = document.createElement('a');
             element.setAttribute('href', url);
-            element.setAttribute('download',  filename);
+            element.setAttribute('download', filename);
             element.style.display = 'none';
             document.body.appendChild(element);
             element.click();
             document.body.removeChild(element);
             window.URL.revokeObjectURL(url);
-          }
+        }
     }
 
     Tools.add({ //The new tool