Use graphql-yoga instead of graphql-server-express

Author: Yogu

package.json

@@ -26,7 +26,6 @@
     "@arangodb": false
   },
   "devDependencies": {
-    "@types/body-parser": "^1.16.3",
     "@types/colors": "^1.1.3",
     "@types/cors": "^2.8.1",
     "@types/graphql": "~0.11.5",
@@ -39,13 +38,9 @@
     "@types/pluralize": "0.0.27",
     "@types/strip-json-comments": "0.0.30",
     "@types/uuid": "^3.4.2",
-    "body-parser": "^1.17.2",
-    "cors": "^2.8.3",
     "dependency-check": "^2.9.1",
-    "express": "~4.15.4",
     "graphql": "~0.11.7",
-    "graphql-server-core": "~1.1.0",
-    "graphql-server-express": "^1.1.2",
+    "graphql-yoga": "^1.4.3",
     "jasmine": "^2.5.3",
     "jasmine-console-reporter": "^2.0.1",
     "jasmine-promises": "^0.4.1",

spec/dev/graphql-server.ts

@@ -1,9 +1,9 @@
 import {  ArangoDBAdapter } from '../..';
-import { GraphQLServer } from './graphql-server';
 import { globalContext } from '../../src/config/global';
 import * as path from 'path';
 import { loadProjectFromDir } from '../../src/project/project-from-fs';
-import { InMemoryAdapter } from '../../src/database/inmemory/inmemory-adapter';
+import { InMemoryAdapter } from '../../src/database/inmemory';
+import { GraphQLServer } from 'graphql-yoga';
 
 const port = 3000;
 const databaseName = 'cruddl';
@@ -30,7 +30,10 @@ export async function start() {
     await db.updateSchema(schema);
     logger.info('Schema is up to date');
 
-    new GraphQLServer({
-        port, schema: schema
+    const server = new GraphQLServer({
+        schema,
+        context: { authRoles: ["allusers", "logistics-reader" ]}
     });
+    await server.start({port});
+    logger.info(`Server started on http//localhost:${port}`);
 }