TS compile error fixed

Author: EddyVerbruggen

src/app/auth/index.ts

@@ -45,15 +45,14 @@ export module auth {
             operationType: "SignIn",
             user: user,
           });
-        }, (err => {
-          {
-            let code = 'auth/exception';
-            let message = err.toString();
-            // Identify code for android. Note that the IOS implementation doesn't return a code.
-            if (message.includes('com.google.firebase.auth.FirebaseAuthInvalidCredentialsException')) {
-              code = 'auth/wrong-password';
-            } else if (message.includes('com.google.firebase.auth.FirebaseAuthInvalidUserException')) {
-              code = 'auth/user-not-found';
+        }).catch(err => {
+          let code = 'auth/exception';
+          let message = err.toString();
+          // Identify code for android. Note that the IOS implementation doesn't return a code.
+          if (message.includes('com.google.firebase.auth.FirebaseAuthInvalidCredentialsException')) {
+            code = 'auth/wrong-password';
+          } else if (message.includes('com.google.firebase.auth.FirebaseAuthInvalidUserException')) {
+            code = 'auth/user-not-found';
             // Note that Android returns one exception for both user not found and invalid email whereas
             // the web api returns seperate codes. Therefore the conditional below can never be satisfied
             // for android.
@@ -62,9 +61,9 @@ export module auth {
           }
           reject({
             code: code,
-            message: message,
-          });
-        }));
+            message: message
+          })
+        });
       });
     }