use !! to coerce navigator.userAgent to a boolean

Co-authored-by: dconeybe <dconeybe@google.com>
firebase · Jan 19, 2024 · d94a69b · d94a69b
1 parent e38eae5
commit d94a69b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/util/src/environment.ts b/packages/util/src/environment.ts
@@ -138,7 +138,7 @@ export function isNodeSdk(): boolean {
 export function isSafari(): boolean {
   return (
     !isNode() &&
-    navigator.userAgent &&
+    !!navigator.userAgent &&
     navigator.userAgent.includes('Safari') &&
     !navigator.userAgent.includes('Chrome')
   );