fix(browser): Check for document when sending outcomes (getsentry#3993)

AbhiPrasad · web-flow · commit 3fcd6d88b326 · 2021-09-20T13:44:11.000-04:00
diff --git a/packages/browser/src/transports/base.ts b/packages/browser/src/transports/base.ts
@@ -42,7 +42,7 @@ export abstract class BaseTransport implements Transport {
     // eslint-disable-next-line deprecation/deprecation
     this.url = this._api.getStoreEndpointWithUrlEncodedAuth();
 
-    if (this.options.sendClientReports) {
+    if (this.options.sendClientReports && document) {
       document.addEventListener('visibilitychange', () => {
         if (document.visibilityState === 'hidden') {
           this._flushOutcomes();
