element: fix angular#1209, check customElements is null or not

JiaLiPassion · Mar 29, 2019 · f03d9fa · f03d9fa
1 parent 31d31ce
commit f03d9fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/browser/custom-elements.ts b/lib/browser/custom-elements.ts
@@ -8,7 +8,7 @@
 
 export function patchCustomElements(_global: any, api: _ZonePrivate) {
   const {isBrowser, isMix} = api.getGlobalObjects()!;
-  if ((!isBrowser && !isMix) || !('customElements' in _global)) {
+  if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {
     return;
   }