fix undefined callback error

faustedition · Mar 30, 2017 · 2887cfc · 2887cfc
1 parent 6ddb17f
commit 2887cfc
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/svg_rendering/page/js-gen/transcript-generation.js b/svg_rendering/page/js-gen/transcript-generation.js
@@ -77,7 +77,9 @@ var transcriptGeneration = (function(){
           svgRoot.setAttribute("height", rootBBox.height);
 
 //          document.body.removeChild(renderContainer);
-          callback(renderContainer.firstChild);
+			if (typeof callback !== 'undefined') {
+				callback(renderContainer.firstChild);
+			}
 
         }
       };