Add typeDefs and resolvers to GQL clients

ee/app/assets/javascripts/subscriptions/buy_minutes/constants.js

@@ -4,3 +4,4 @@ export const planTags = {
 };
 /* eslint-enable @gitlab/require-i18n-strings */
 export const CUSTOMER_CLIENT = 'customerClient';
+export const GITLAB_CLIENT = 'gitlabClient';

ee/app/assets/javascripts/subscriptions/buy_minutes/graphql.js

+import { merge } from 'lodash';
 import Vue from 'vue';
 import VueApollo from 'vue-apollo';
+import purchaseFlowResolvers from 'ee/vue_shared/purchase_flow/graphql/resolvers';
+import typeDefs from 'ee/vue_shared/purchase_flow/graphql/typedefs.graphql';
 import createClient from '~/lib/graphql';
-import { CUSTOMER_CLIENT } from './constants';
+import { GITLAB_CLIENT, CUSTOMER_CLIENT } from './constants';
 import { resolvers } from './graphql/resolvers';
 
 Vue.use(VueApollo);
 
-const defaultClient = createClient(resolvers, { assumeImmutableResults: true });
+const gitlabClient = createClient(merge({}, resolvers, purchaseFlowResolvers), {
+  typeDefs,
+  assumeImmutableResults: true,
+});
 const customerClient = createClient(
   {},
-  { path: '/-/customers_dot/proxy/graphql', useGet: true, assumeImmutableResults: true },
+  {
+    path: '/-/customers_dot/proxy/graphql',
+    useGet: true,
+    assumeImmutableResults: true,
+  },
 );
 
 export default new VueApollo({
-  defaultClient,
+  defaultClient: gitlabClient,
   clients: {
+    [GITLAB_CLIENT]: gitlabClient,
     [CUSTOMER_CLIENT]: customerClient,
   },
 });