move loader to folder loaders

Author: kunapot

db.json

@@ -33,6 +33,12 @@
       "userId": "rkAixaNGG",
       "id": "B1vOzTEfz",
       "credit": "rkAixaNGG"
+    },
+    {
+      "url": "https://images.unsplash.com/photo-1497294815431-9365093b7331?auto=format&fit=crop&w=750&q=80&ixid=dW5zcGxhc2guY29tOzs7Ozs%3D",
+      "userId": "rkAixaNGG",
+      "id": "B1vOzTEff",
+      "credit": "rkAixaNGG"
     }
   ],
   "posts": [

server/loaders/index.js

@@ -0,0 +1,10 @@
+const DataLoader = require('dataloader')
+const { fetchUsersById } = require('../apis/user')
+
+const userLoader = new DataLoader(ids => Promise.all(ids.map(fetchUsersById)))
+
+const loaders = {
+  userLoader,
+}
+
+module.exports = loaders

server/server.js

@@ -2,18 +2,12 @@ const express = require('express')
 const bodyParser = require('body-parser')
 const { graphqlExpress, graphiqlExpress } = require('apollo-server-express')
 const cors = require('cors')
-const DataLoader = require('dataloader')
 const schema = require('./schemas/Root')
-const { fetchUsersById } = require('./apis/user')
+const loaders = require('./loaders')
 
 const app = express()
 app.use(cors())
 
-const userLoader = new DataLoader(ids => Promise.all(ids.map(fetchUsersById)))
-const loaders = {
-  userLoader,
-}
-
 app.use('/graphql', bodyParser.json(), graphqlExpress({ schema, context: { loaders } }))
 app.use('/graphiql', graphiqlExpress({ endpointURL: '/graphql' }))
 app.listen(4000, () => console.log('Now browse to localhost:4000/graphiql'))