Switch to es6 import/export

Author: AlphaHydrae

app.js

@@ -1,17 +1,17 @@
-const bodyParser = require('body-parser');
-const express = require('express');
-const fs = require('fs');
-const yaml = require('js-yaml');
-const logger = require('morgan');
-const mongoose = require('mongoose');
-const path = require('path');
-const swaggerUi = require('swagger-ui-express');
-
-const config = require('./config');
-const moviesApi = require('./routes/movies');
-const peopleApi = require('./routes/people');
-const adminRoutes = require('./routes/admin');
-const unrestRoutes = require('./unrest/routes');
+import bodyParser from 'body-parser';
+import express from 'express';
+import fs from 'fs';
+import yaml from 'js-yaml';
+import logger from 'morgan';
+import mongoose from 'mongoose';
+import path from 'path';
+import swaggerUi from 'swagger-ui-express';
+
+import * as config from './config.js';
+import moviesApi from './routes/movies.js';
+import peopleApi from './routes/people.js';
+import adminRoutes from './routes/admin.js';
+import unrestRoutes from './unrest/routes.js';
 
 // Connect to the database (can be overriden from environment)
 mongoose.connect(config.databaseUrl);
@@ -23,7 +23,7 @@ if (config.debug) {
 }
 
 // View engine setup
-app.set('views', path.join(__dirname, 'views'));
+app.set('views', path.join(config.projectRoot, 'views'));
 app.set('view engine', 'pug');
 
 // General middlewares
@@ -41,7 +41,7 @@ openApiDocument.servers[0].url = `${config.baseUrl}/api`;
 app.use('/swagger', swaggerUi.serve, swaggerUi.setup(openApiDocument));
 
 // Serve the apiDoc documentation on /.
-app.use(express.static(path.join(__dirname, 'docs')));
+app.use(express.static(path.join(config.projectRoot, 'docs')));
 
 // REST API routes
 app.use('/api/movies', moviesApi);
@@ -94,4 +94,4 @@ app.use(function (err, req, res, next) {
   res.render('error');
 });
 
-module.exports = app;
+export default app;

bin/www renamed to bin/www.js

@@ -1,10 +1,12 @@
 #!/usr/bin/env node
 
-// Module dependencies
-const app = require('../app');
-const config = require('../config');
-const debug = require('debug')('demo:server');
-const http = require('http');
+import debugFactory from 'debug';
+import http from 'http';
+
+import app from '../app.js';
+import * as config from '../config.js';
+
+const debug = debugFactory('demo:server');
 
 // Get port from environment and store in Express
 const port = normalizePort(config.port);
@@ -22,16 +24,16 @@ server.on('listening', onListening);
  * Normalize a port into a number, string, or false.
  */
 function normalizePort(val) {
-  const port = parseInt(val, 10);
+  const parsedPort = parseInt(val, 10);
 
-  if (isNaN(port)) {
+  if (isNaN(parsedPort)) {
     // named pipe
     return val;
   }
 
-  if (port >= 0) {
+  if (parsedPort >= 0) {
     // port number
-    return port;
+    return parsedPort;
   }
 
   return false;
@@ -52,11 +54,9 @@ function onError(error) {
     case 'EACCES':
       console.error(bind + ' requires elevated privileges');
       process.exit(1);
-      break;
     case 'EADDRINUSE':
       console.error(bind + ' is already in use');
       process.exit(1);
-      break;
     default:
       throw error;
   }

config.js

@@ -1,13 +1,21 @@
-const env = process.env.NODE_ENV || 'development';
+import { fileURLToPath, URL } from 'url';
+
+export const projectRoot = fileURLToPath(new URL('.', import.meta.url));
+
+export const env = process.env.NODE_ENV || 'development';
 
 let defaultDatabaseUrl = 'mongodb://localhost/comem-rest-demo';
 if (env === 'test') {
   defaultDatabaseUrl = `${defaultDatabaseUrl}-test`;
 }
 
-exports.authToken = process.env.AUTH_TOKEN;
-exports.debug = !!process.env.DEBUG;
-exports.env = env;
-exports.port = process.env.PORT || '3000';
-exports.databaseUrl = process.env.DATABASE_URL || process.env.MONGODB_URI || defaultDatabaseUrl;
-exports.baseUrl = process.env.BASE_URL || `http://localhost:${exports.port}`;
+export const authToken = process.env.AUTH_TOKEN;
+
+export const debug = !!process.env.DEBUG;
+
+export const port = process.env.PORT || '3000';
+
+export const databaseUrl =
+  process.env.DATABASE_URL || process.env.MONGODB_URI || defaultDatabaseUrl;
+
+export const baseUrl = process.env.BASE_URL || `http://localhost:${port}`;

models/movie.js

@@ -1,4 +1,5 @@
-const mongoose = require('mongoose');
+import mongoose from 'mongoose';
+
 const ObjectId = mongoose.Types.ObjectId;
 const Schema = mongoose.Schema;
 
@@ -105,4 +106,4 @@ function transformJsonMovie(doc, json, options) {
   return json;
 }
 
-module.exports = mongoose.model('Movie', movieSchema);
+export default mongoose.model('Movie', movieSchema);

models/person.js

@@ -1,5 +1,5 @@
-const mongoose = require('mongoose');
-const ObjectId = mongoose.Types.ObjectId;
+import mongoose from 'mongoose';
+
 const Schema = mongoose.Schema;
 
 /**
@@ -68,4 +68,4 @@ function transformJsonPerson(doc, json, options) {
   return json;
 }
 
-module.exports = mongoose.model('Person', personSchema);
+export default mongoose.model('Person', personSchema);