[messaging] Add VAPID key support

Author: chrisbianca

messaging/README.md

@@ -18,14 +18,15 @@ List of Cloud Messaging hooks:
 ### useToken
 
 ```js
-const [token, loading, error] = useToken(messaging);
+const [token, loading, error] = useToken(messaging, vapidKey);
 ```
 
 Get a token from Firebase Cloud Messaging
 
 The `useToken` hook takes the following parameters:
 
 - `messaging`: `messaging.Messaging` instance for your Firebase app
+- `vapidKey`: a `string` representing the VAPID key credential needed for Cloud Messaging
 
 Returns:
 

messaging/useToken.ts

@@ -4,14 +4,14 @@ import { LoadingHook, useLoadingValue } from '../util';
 
 export type TokenHook = LoadingHook<string | null, Error>;
 
-export default (messaging: Messaging): TokenHook => {
+export default (messaging: Messaging, vapidKey?: string): TokenHook => {
   const { error, loading, setError, setValue, value } = useLoadingValue<
     string | null,
     Error
   >();
 
   useEffect(() => {
-    getToken(messaging).then(setValue).catch(setError);
+    getToken(messaging, { vapidKey }).then(setValue).catch(setError);
   }, [messaging]);
 
   const resArray: TokenHook = [value, loading, error];

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-firebase-hooks",
-  "version": "5.0.0-alpha.3",
+  "version": "5.0.0-alpha.4",
   "description": "React Hooks for Firebase",
   "author": "CS Frequency Limited (https://csfrequency.com)",
   "license": "Apache-2.0",