From 944187f276afdc7a34931aca152ea4ced3abc7f9 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Tue, 19 Feb 2019 22:00:55 -0500
Subject: [PATCH] ie11 fix

---
 src/app/polyfills.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/app/polyfills.ts b/src/app/polyfills.ts
index c0d0ee3685..e0d1127e80 100644
--- a/src/app/polyfills.ts
+++ b/src/app/polyfills.ts
@@ -3,6 +3,11 @@ import 'core-js/es6';
 import 'core-js/es7/reflect';
 require('zone.js/dist/zone');
 
+// IE11 fix, ref: https://github.com/angular/angular/issues/24769
+if (!Element.prototype.matches && (Element.prototype as any).msMatchesSelector) {
+    Element.prototype.matches = (Element.prototype as any).msMatchesSelector;
+}
+
 if (process.env.ENV === 'production') {
     // Production
 } else {