Handle invalid json strings

UI/ActionManager.js

@@ -64,6 +64,13 @@
      */
     jsOMS.UI.ActionManager.prototype.bindElement = function (e)
     {
+        if (!jsOMS.isValidJson(e.getAttribute('data-action'))) {
+            jsOMS.Log.Logger.instance.error('Invalid json string: \'' + e.getAttribute('data-action') + '\'');
+
+            return;
+        }
+
+        // todo: validate json, if invalid log error
         const listeners    = JSON.parse(e.getAttribute('data-action')),
             listenerLength = listeners.length,
             self           = this;

Utils/StringUtils.js

@@ -63,6 +63,25 @@
         return str.replace(new RegExp("^[" + char + "]*"), '');
     };
 
+    /**
+     * Validate json string
+     *
+     * @param {string} jsonString String to validate
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.isValidJson = function (jsonString)
+    {
+        try {
+            JSON.parse(jsonString);
+        } catch (e) {
+            return false;
+        }
+        return true;
+    };
+
     /**
      * Count string in string
      *

Utils/oLib.js

@@ -390,6 +390,25 @@
         }
     };
 
+    /**
+     * Validate json string
+     *
+     * @param {string} jsonString String to validate
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.isValidJson = function (jsonString)
+    {
+        try {
+            JSON.parse(jsonString);
+        } catch (e) {
+            return false;
+        }
+        return true;
+    };
+
     /**
      * Merging two arrays recursively
      *