implements pattern for graphql

src/graphql/init.js

@@ -0,0 +1,43 @@
+const graphQLHTTP = require('express-graphql');
+const { GraphQLObjectType, GraphQLString, GraphQLSchema } = require('graphql');
+
+const queryType = {
+  name: 'Query',
+  fields: {},
+};
+
+function init() {
+  const userType = new GraphQLObjectType({
+    name: 'User',
+    fields: {
+      id: { type: GraphQLString },
+      email: { type: GraphQLString },
+    },
+  });
+
+  queryType.fields.user = {
+    type: userType,
+    args: {
+      id: { type: GraphQLString },
+    },
+    resolve: (_, { id }) => {
+      return {
+        id,
+        email: 'test',
+      };
+    },
+  };
+
+  const query = new GraphQLObjectType(queryType);
+  const schema = new GraphQLSchema({ query });
+
+  return graphQLHTTP({
+    schema,
+    graphiql: true,
+    context: ({ req }) => ({
+      user: req.user,
+    }),
+  });
+}
+
+module.exports = init;

src/index.js

@@ -1,4 +1,5 @@
 const express = require('express');
+const graphQLHTTP = require('express-graphql');
 
 const connectMongoose = require('./mongoose/connect');
 const expressMiddleware = require('./express/middleware');
@@ -7,6 +8,7 @@ const registerUser = require('./auth/register');
 const registerUpload = require('./uploads/register');
 const registerCollections = require('./collections/register');
 const registerGlobals = require('./globals/register');
+const initGraphQL = require('./graphql/init');
 const sanitizeConfig = require('./utilities/sanitizeConfig');
 
 class Payload {
@@ -20,6 +22,7 @@ class Payload {
     this.registerUpload = registerUpload.bind(this);
     this.registerCollections = registerCollections.bind(this);
     this.registerGlobals = registerGlobals.bind(this);
+    this.initGraphQL = initGraphQL.bind(this);
 
     // Setup & initialization
     connectMongoose(this.config.mongoURL);
@@ -46,6 +49,9 @@ class Payload {
 
     // Bind static
     this.express.use(this.config.staticURL, express.static(this.config.staticDir));
+
+    // Init GraphQL
+    this.express.use(this.config.routes.graphQL, this.initGraphQL());
   }
 }
 

src/utilities/sanitizeConfig.js

@@ -4,6 +4,7 @@ const sanitizeConfig = (config) => {
   sanitizedConfig.routes = {
     admin: (config.routes && config.routes.admin) ? config.routes.admin : '/admin',
     api: (config.routes && config.routes.api) ? config.routes.api : '/api',
+    graphQL: (config.routes && config.routes.graphQL) ? config.routes.graphQL : '/graphql',
   };
   sanitizedConfig.components = { ...(config.components || {}) };