Merge pull request #108 from Remo/load-empty-string

Don't create canvas from empty string
szimek · Nov 7, 2015 · 48fc0b2 · 48fc0b2
2 parents ddade90 + 07efde7
commit 48fc0b2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/signature_pad.js b/signature_pad.js
@@ -116,6 +116,9 @@ var SignaturePad = (function (document) {
     };
 
     SignaturePad.prototype.fromDataURL = function (dataUrl) {
+        if (!dataUrl) {
+            return;
+        }
         var self = this,
             image = new Image(),
             ratio = window.devicePixelRatio || 1,