material-framework/lib/server.js

const express = require('express')
const C = require('./controllers')
const config = require('../config')
const path = require('path')
const chalk = require('chalk')
const asyncHandler = require('express-async-handler')
const bodyParser = require('body-parser')
const routes = require('./routes')
const serverFactory = require('../auto-crud/server-factory')

const app = express()
app.use(bodyParser.json())

routes(app)
serverFactory(app)

app.start = () => new Promise((resolve, reject) => {
  app.use(express.static('./public'))
  app.all('/api/*', (req, res) => {
    res.send(404)
  })
  app.get('*', (req, res) => {
    res.sendFile(path.join(process.cwd(), 'public/index.html'));
  })
  try {
    const listener = app.listen(config.server.port, function() {
      app.address = listener.address()
      console.log(`Server running at ${chalk.underline(chalk.blue(`http://localhost:${app.address.port}`))}`)
    })
  } catch (e) {
    reject(e)
  }
})


const asyncWrap = (method) => (function() {
  const args = Array.from(arguments)
  if (args[1]) args[1] = asyncHandler(args[1])
  return method.apply(app, args)
})
const asyncApp = Object.assign(Object.create(app), {
  get: asyncWrap(app.get),
  post: asyncWrap(app.post),
  put: asyncWrap(app.put),
  patch: asyncWrap(app.patch),
  delete: asyncWrap(app.delete)
})
module.exports = asyncApp