Updated the getAuthObject method to get the current user's access_token

README.md

@@ -76,6 +76,34 @@ The user object corresponds to the [Google User Basic Profile](https://developer
 
  
 
+---
+> **Vue.$gapi.getAuthObject()**
+
+Returns through an always resolved promise the current user auth session data in a readable format if one is connected, or `null` if no user is connected.
+```javascript
+this.$gapi.getAuthObject()
+  .then(authData => {
+    if (authData) {
+      console.log('Current user access_token is %s', authData.access_token)
+    } else {
+      console.log('No user is connected.')
+    }
+  })
+```
+The user auth session object corresponds to the [Google User Auth Response](https://developers.google.com/identity/sign-in/web/reference#gapiauth2authresponse) informations, in a friendly format :
+```javascript
+{
+  access_token: google_user_access_token_granted,
+  id_token: id_token_granted,
+  scope: given_name,
+  expires_in: seconds_until_access_token_expires,
+  first_issued_at: user_first_grant_request,
+  expires_at: timestamp_which_access_token_expire
+}
+```
+
+ 
+
 ---
 > **Vue.$gapi.signIn()**
 

src/core/gapi.js

@@ -40,6 +40,12 @@ function _formatUser (guser) {
   }
 }
 
+/** Get the response object from the user's auth session. */
+function _formatAuthObject (guser) {
+  if (!guser.getAuthResponse) return null
+  return guser.getAuthResponse()
+}
+
 export default class GAPI {
   /**
    * The constructor expect as parameter the config object, containing
@@ -130,9 +136,16 @@ export default class GAPI {
       })
   }
 
-  /** returns asynchronously true if the user is signed in */
+  /** returns the current user auth data if signed in, undefined otherwise */
   getAuthObject () {
     return this._libraryInit('auth2')
+      .then(auth => {
+        if (auth.isSignedIn.get()) {
+          return Promise.resolve(_formatAuthObject(auth.currentUser.get()))
+        } else {
+          return Promise.resolve(null)
+        }
+      })
   }
 
   /** returns the current user if signed in, undefined otherwise */