Fix condition when close() should do nothing.

diff --git a/js/foundation.offcanvas.js b/js/foundation.offcanvas.js
index 1ab73c8f83cd46ca5de30b503ecc77bd427a891b..521d9c4cde111009abbf9ad75f7a12acf9501859 100644 (file)
--- a/js/foundation.offcanvas.js
+++ b/js/foundation.offcanvas.js
@@ -259,7 +259,7 @@ class OffCanvas {
    * @fires OffCanvas#closed
    */
   close(cb) {
-    if (!this.$element.hasClass('is-open') || this.isRevealed) { return; }
+    if (!(this.$element.hasClass('is-open') || this.isRevealed)) { return; }
 
     var _this = this;