update getAuth comment to make clear that it's idempotent (#5255)

* update getAuth comment * Update packages-exp/auth-exp/index.ts Co-authored-by: Kevin Cheung <[email protected]> * empty Co-authored-by: Kevin Cheung <[email protected]>
firebase · Aug 13, 2021 · 064e1ca · 064e1ca
1 parent bb6b5ab
commit 064e1ca
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages-exp/auth-exp/index.ts b/packages-exp/auth-exp/index.ts
@@ -122,7 +122,8 @@ export { browserPopupRedirectResolver } from './src/platform_browser/popup_redir
 export { PhoneMultiFactorGenerator } from './src/platform_browser/mfa/assertions/phone';
 
 /**
- * Initializes an Auth instance with platform specific default dependencies.
+ * Returns the Auth instance associated with the provided {@link @firebase/app#FirebaseApp}.
+ * If no instance exists, initializes an Auth instance with platform-specific default dependencies.
  *
  * @param app - The Firebase App.
  *