1 files changed, 9 insertions, 0 deletions
diff --git a/app/assets/javascripts/commons/polyfills/custom_event.js b/app/assets/javascripts/commons/polyfills/custom_event.js
new file mode 100644
index 00000000000..aea61b82d03
--- /dev/null
+++ b/app/assets/javascripts/commons/polyfills/custom_event.js
@@ -0,0 +1,9 @@
+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 };
+    evt.initCustomEvent(event, evtParams.bubbles, evtParams.cancelable, evtParams.detail);
+    return evt;
+  };
+  window.CustomEvent.prototype = Event;
+}