Adds Event polyfill for IE

1 files changed, 6 insertions, 1 deletions

diff --git a/app/assets/javascripts/commons/polyfills/custom_event.js b/app/assets/javascripts/commons/polyfills/custom_event.js
index aea61b82d03..db51ade61ae 100644
--- a/app/assets/javascripts/commons/polyfills/custom_event.js
+++ b/app/assets/javascripts/commons/polyfills/custom_event.js
@@ -1,7 +1,12 @@
 if (typeof window.CustomEvent !== 'function') {
   window.CustomEvent = function CustomEvent(event, params) {
     const evt = document.createEvent('CustomEvent');
-    const evtParams = params || { bubbles: false, cancelable: false, detail: undefined };
+    const evtParams = {
+      bubbles: false,
+      cancelable: false,
+      detail: undefined,
+      ...params,
+    };
     evt.initCustomEvent(event, evtParams.bubbles, evtParams.cancelable, evtParams.detail);
     return evt;
   };