From 56ffc261ba88e93bf63ecf501333775a54a4839c Mon Sep 17 00:00:00 2001
From: Matt Black <mb@mattblack.io>
Date: Thu, 3 May 2018 11:33:51 -0400
Subject: [PATCH 1/2] added Config option for a Loader instance

---
 server/config.js     | 1 +
 server/initialize.js | 6 +++++-
 server/schema.js     | 4 ++--
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/server/config.js b/server/config.js
index ca4f304..cf4ef9a 100644
--- a/server/config.js
+++ b/server/config.js
@@ -14,6 +14,7 @@ let Config = {
   GRAPHQL_SCHEMA_DIRECTIVES: {},
   EXPRESS_MIDDLEWARES: [],
   MOCKING: null,
+  LOADER: null,
 };
 
 export default Config;
diff --git a/server/initialize.js b/server/initialize.js
index 2aa63a0..2a5b85c 100644
--- a/server/initialize.js
+++ b/server/initialize.js
@@ -15,7 +15,11 @@ export default function initialize(config = {}) {
 
   Object.freeze(Config);
 
-  const schema = getExecutableSchema();
+  const schema = getExecutableSchema(
+    Config.LOADER && Config.LOADER.getSchema
+      ? Config.LOADER.getSchema.bind(Config.LOADER)
+      : undefined
+  );
 
   if (Config.MOCKING) {
     addMockFunctionsToSchema({
diff --git a/server/schema.js b/server/schema.js
index 470a7ee..c717197 100644
--- a/server/schema.js
+++ b/server/schema.js
@@ -1,12 +1,12 @@
 import { makeExecutableSchema } from 'graphql-tools';
-import { load, getSchema } from 'graphql-load';
+import { load, getSchema as defaultGetSchema } from 'graphql-load';
 import Config from './config';
 import directives from './directives';
 
 const EMPTY_QUERY_ERROR =
   'Error: Specified query type "Query" not found in document.';
 
-export function getExecutableSchema() {
+export function getExecutableSchema(getSchema = defaultGetSchema) {
   try {
     const { typeDefs, resolvers } = getSchema();
     schema = makeExecutableSchema({

From 93532a7af5618119415a3b201d16530b84efd7d1 Mon Sep 17 00:00:00 2001
From: Matt Black <mb@mattblack.io>
Date: Thu, 3 May 2018 11:36:02 -0400
Subject: [PATCH 2/2] Initial proposition of replacing the the graphql server
 at runtime

---
 server/core/main-server.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/core/main-server.js b/server/core/main-server.js
index a82f973..40bfd22 100644
--- a/server/core/main-server.js
+++ b/server/core/main-server.js
@@ -125,6 +125,8 @@ export const createApolloServer = (customOptions = {}, customConfig = {}) => {
       })
     );
   }
+  // this removes all handlers
+  WebApp.connectHandlers.stack = [];
   // this binds the specified paths to the Express server running Apollo + GraphiQL
   WebApp.connectHandlers.use(graphQLServer);