Separate schema and resolvers

src/index.js

@@ -1,5 +1,8 @@
 const express = require('express');
-const { ApolloServer, gql } = require('apollo-server-express');
+const { ApolloServer } = require('apollo-server-express');
+const typeDefs = require('./schema');
+const resolvers = require('./resolvers');
+
 require('dotenv').config();
 
 const db = require('./db');
@@ -9,43 +12,15 @@ const port = process.env.PORT || 4000;
 
 const DB_HOST = process.env.DB_HOST;
 
-const typeDefs = gql`
-  type Note {
-    id: ID!
-    content: String!
-    author: String!
-  }
-  type Query {
-    hello: String!
-    notes: [Note!]!
-    note(id: ID!): Note!
-  }
-
-  type Mutation {
-    newNote(content: String!): Note!
-  }
-`;
-
-const resolvers = {
-  Query: {
-    hello: () => 'hello',
-    notes: async () => await models.Note.find(),
-    note: async (parent, args) => await models.Note.findById(args.id)
-  },
-  Mutation: {
-    newNote: async (parent, args) =>
-      await models.Note.create({
-        content: args.content,
-        author: 'a author str'
-      })
-  }
-};
-
 const app = express();
 
 db.connect(DB_HOST);
 
-const server = new ApolloServer({ typeDefs, resolvers });
+const server = new ApolloServer({
+  typeDefs,
+  resolvers,
+  context: () => ({ models })
+});
 server.applyMiddleware({ app, path: '/api' });
 app.listen({ port }, () => {
   console.log(

src/resolvers/index.js

@@ -0,0 +1,7 @@
+const Query = require('./query');
+const Mutation = require('./mutation');
+
+module.exports = {
+  Query,
+  Mutation
+};

src/resolvers/mutation.js

@@ -0,0 +1,7 @@
+module.exports = {
+  newNote: async (parent, args, { models }) =>
+    await models.Note.create({
+      content: args.content,
+      author: 'a author str'
+    })
+};

src/resolvers/query.js

@@ -0,0 +1,5 @@
+module.exports = {
+  hello: () => 'hello',
+  notes: async (parent, args, { models }) => await models.Note.find(),
+  note: async (parent, args, { models }) => await models.Note.findById(args.id)
+};

src/schema.js

@@ -0,0 +1,18 @@
+const { gql } = require('apollo-server-express');
+
+module.exports = gql`
+  type Note {
+    id: ID!
+    content: String!
+    author: String!
+  }
+  type Query {
+    hello: String!
+    notes: [Note!]!
+    note(id: ID!): Note!
+  }
+
+  type Mutation {
+    newNote(content: String!): Note!
+  }
+`;