docs(cookbook/graphql): Fixes for client import for AOT

Author: Urigo

public/docs/_examples/heroes-graphql/ts/app/app.module.ts

@@ -17,7 +17,7 @@ import { AppRoutingModule } from './app-routing.module';
 // #docregion import-apollo
 // ...
 import { ApolloModule } from 'apollo-angular';
-import { client } from './client';
+import { getClient } from './client';
 // ...
 // #enddocregion import-apollo
 
@@ -40,7 +40,7 @@ import { HeroSearchComponent }  from './hero-search.component';
     // #enddocregion v1
     // #docregion v1
     AppRoutingModule,
-    ApolloModule.withClient(client)
+    ApolloModule.withClient(getClient)
   ],
   // #docregion search
   declarations: [

public/docs/_examples/heroes-graphql/ts/app/client.1.ts

@@ -1,5 +1,8 @@
 // #docregion , default-initialization
 import ApolloClient from 'apollo-client';
 
-export const client = new ApolloClient();
+const client = new ApolloClient();
+export function getClient(): ApolloClient {
+  return client;
+}
 // #enddocregion default-initialization

public/docs/_examples/heroes-graphql/ts/app/client.2.ts

@@ -1,9 +1,13 @@
 // #docregion , network-initialization
 import ApolloClient, { createNetworkInterface } from 'apollo-client';
 
-export const client = new ApolloClient({
+const client = new ApolloClient({
   networkInterface: createNetworkInterface({
     uri: 'http://my-api.graphql.com'
   })
 });
+
+export function getClient(): ApolloClient {
+  return client;
+}
 // #enddocregion network-initialization

public/docs/_examples/heroes-graphql/ts/app/client.ts

@@ -6,7 +6,7 @@ const client = new ApolloClient({
   networkInterface,
   dataIdFromObject: (object: any) => object.id,
 });
-export {
-  client
+export function getClient(): ApolloClient {
+  return client;
 }
 // #enddocregion