Fixed cred externalization issue.

src/aws-exports.js

@@ -0,0 +1,22 @@
+const awsmobile = {
+    "aws_project_region": "ap-northeast-1",
+    "aws_cognito_region": "ap-northeast-1",
+    "aws_user_pools_id": "<cognito-user-pool-id>",
+    "aws_user_pools_web_client_id": "<client-id>",
+    "oauth": {
+        "domain": "domain.auth.ap-northeast-1.amazoncognito.com",
+        "scope": [
+            "phone",
+            "email",
+            "openid",
+            "profile",
+            "aws.cognito.signin.user.admin"
+        ],
+        "redirectSignIn": "http://localhost:4200/login",
+        "redirectSignOut": "http://localhost:4200/login",
+        "responseType": "code"
+    }
+};
+
+
+export default awsmobile;

src/main.ts

@@ -4,25 +4,10 @@ import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 import { AppModule } from './app/app.module';
 import { environment } from './environments/environment';
 
+import awsconfig from './aws-exports';
 import Amplify from 'aws-amplify';
 
-Amplify.configure({
-  Auth: {
-    region: '<region>',
-    userPoolId: '<userpool-id>',
-    userPoolWebClientId: '<client-id>',
-    oauth: {
-      domain: '<domain>.auth.eu-west-1.amazoncognito.com',
-      scope: ['phone', 'email', 'profile', 'openid', 'aws.cognito.signin.user.admin'],
-      redirectSignIn: 'https://<cloudfront>/login',
-      redirectSignOut: 'https://<cloudfront>/login',
-      responseType: 'code',
-      options: {
-        AdvancedSecurityDataCollectionFlag: true
-      }
-    }
-  }
-});
+Amplify.configure(awsconfig);
 
 if (environment.production) {
   enableProdMode();