Code tidy.

api/server.mjs

@@ -3,36 +3,30 @@ import cors from 'kcors'
 import compress from 'koa-compress'
 import KoaRouter from 'koa-router'
 import koaBody from 'koa-bodyparser'
-import { makeExecutableSchema } from 'graphql-tools'
-import { graphqlKoa } from 'graphql-server-koa'
 import { apolloUploadKoa } from 'apollo-upload-server'
-import types from './schema.mjs'
+import { graphqlKoa } from 'graphql-server-koa'
+import { makeExecutableSchema } from 'graphql-tools'
+import typeDefs from './schema.mjs'
 import resolvers from './resolvers.mjs'
 
-const server = new Koa()
+const app = new Koa()
 const router = new KoaRouter()
 
-server
-  // Enable Cross-Origin Resource Sharing (CORS)
-  .use(cors())
-  // Enable gzip
-  .use(compress())
-
-// GraphQL API
 router.post(
   '/graphql',
   koaBody(),
   apolloUploadKoa(),
-  graphqlKoa({
-    schema: makeExecutableSchema({ typeDefs: [types], resolvers })
-  })
+  graphqlKoa({ schema: makeExecutableSchema({ typeDefs, resolvers }) })
 )
 
-server.use(router.routes()).use(router.allowedMethods())
-
-server.listen(process.env.PORT, error => {
-  if (error) throw new Error(error)
+app
+  .use(cors())
+  .use(compress())
+  .use(router.routes())
+  .use(router.allowedMethods())
 
+app.listen(process.env.PORT, error => {
+  if (error) throw error
   // eslint-disable-next-line no-console
   console.info(
     `Serving http://localhost:${process.env.PORT} for ${process.env.NODE_ENV}.`