Cache result of getXAPIObject (optimization)

h5p · Mar 14, 2018 · 6c0dbf9 · 6c0dbf9
1 parent 4346b92
commit 6c0dbf9
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/scripts/x-api.js b/scripts/x-api.js
@@ -33,6 +33,7 @@ H5P.VideoXAPI = (function ($) {
     var volumeChangedAt = 0;
     var sessionID = H5P.createUUID();
     var currentTime = 0;
+    var xAPIObject = null;
 
 
     /**
@@ -500,6 +501,10 @@ H5P.VideoXAPI = (function ($) {
      * @returns {Object} 'Object' portion of JSON xAPI statement
      */
     var getXAPIObject = function () {
+      if (xAPIObject !== null) {
+        return xAPIObject;
+      }
+
       var event = new H5P.XAPIEvent();
 
       if (videoInstance && videoInstance.contentId && H5PIntegration && H5PIntegration.contents && H5PIntegration.contents['cid-' + videoInstance.contentId]) {