Convert the API from CJS to ESM.

api/package.json

@@ -45,6 +45,6 @@
     "test:eslint": "eslint .",
     "test:prettier": "prettier -c .",
     "dev": "nodemon -i db.json",
-    "start": "node -r dotenv/config server"
+    "start": "node -r dotenv/config server.mjs"
   }
 }

api/schema/FileType.mjs

@@ -1,13 +1,11 @@
-'use strict';
-
-const {
+import {
+  GraphQLID,
   GraphQLNonNull,
   GraphQLObjectType,
   GraphQLString,
-  GraphQLID,
-} = require('graphql');
+} from 'graphql';
 
-module.exports = new GraphQLObjectType({
+export default new GraphQLObjectType({
   name: 'File',
   description: 'A stored file.',
   fields: () => ({

api/schema/MutationType.mjs

@@ -1,10 +1,8 @@
-'use strict';
+import { GraphQLList, GraphQLNonNull, GraphQLObjectType } from 'graphql';
+import { GraphQLUpload } from 'graphql-upload';
+import FileType from './FileType.mjs';
 
-const { GraphQLList, GraphQLObjectType, GraphQLNonNull } = require('graphql');
-const { GraphQLUpload } = require('graphql-upload');
-const FileType = require('./FileType');
-
-module.exports = new GraphQLObjectType({
+export default new GraphQLObjectType({
   name: 'Mutation',
   fields: () => ({
     singleUpload: {

api/schema/QueryType.mjs

@@ -1,9 +1,7 @@
-'use strict';
+import { GraphQLList, GraphQLNonNull, GraphQLObjectType } from 'graphql';
+import FileType from './FileType.mjs';
 
-const { GraphQLList, GraphQLObjectType, GraphQLNonNull } = require('graphql');
-const FileType = require('./FileType');
-
-module.exports = new GraphQLObjectType({
+export default new GraphQLObjectType({
   name: 'Query',
   fields: () => ({
     uploads: {

api/schema/index.js

@@ -1,10 +0,0 @@
-'use strict';
-
-const { GraphQLSchema } = require('graphql');
-const MutationType = require('./MutationType');
-const QueryType = require('./QueryType');
-
-module.exports = new GraphQLSchema({
-  query: QueryType,
-  mutation: MutationType,
-});

api/schema/index.mjs

@@ -0,0 +1,8 @@
+import { GraphQLSchema } from 'graphql';
+import MutationType from './MutationType.mjs';
+import QueryType from './QueryType.mjs';
+
+export default new GraphQLSchema({
+  query: QueryType,
+  mutation: MutationType,
+});

api/server.mjs

@@ -1,14 +1,12 @@
-'use strict';
-
-const { createWriteStream, unlink } = require('fs');
-const { ApolloServer } = require('apollo-server-koa');
-const { graphqlUploadKoa } = require('graphql-upload');
-const Koa = require('koa');
-const lowdb = require('lowdb');
-const FileSync = require('lowdb/adapters/FileSync');
-const mkdirp = require('mkdirp');
-const shortid = require('shortid');
-const schema = require('./schema');
+import { createWriteStream, unlink } from 'fs';
+import { ApolloServer } from 'apollo-server-koa';
+import { graphqlUploadKoa } from 'graphql-upload';
+import Koa from 'koa';
+import lowdb from 'lowdb';
+import FileSync from 'lowdb/adapters/FileSync.js';
+import mkdirp from 'mkdirp';
+import shortid from 'shortid';
+import schema from './schema/index.mjs';
 
 const UPLOAD_DIR = './uploads';
 const db = lowdb(new FileSync('db.json'));