Function createServer

modules/PublicServerAPI.js:31–72

(getApp)

import ErrorMessage from './ErrorMessage'

export function createServer(getApp) {
  const server = express()
  const webpackStats = getWebpackStats()
  server.disable('x-powered-by')
  server._listen = server.listen
  server.listen = () => {
    throw new Error('[react-project]', 'Do not call `server.listen()`, use `server.start()`')
  }

  server.start = () => {
    addMiddleware(server)
    server.all('*', (req, res) => {
      getApp(req, res, (err, { render, routes }) => {
        if (err) {
          onError(err, req, res)
        } else {
          match({ routes, location: req.url }, (err, redirect, routerProps) => {
            if (err) {
              onError(err, req, res)
            } else if (redirect) {
              // TODO: need a way to specify 301, 302, 307 etc. in the route config.
              // will need to make changes in React Router or history probably
              res.redirect(redirect.pathname + redirect.search)
            } else if (routerProps) {
              sendWithReactRouter({ req, res, render, webpackStats, routerProps })
            } else {
              sendNoRoutesMatched(res)
            }
          })
        }
      })
    })

    server._listen(PORT, () => {
      log()
      log(`NODE_ENV=${process.env.NODE_ENV}`)
      log(`Express server listening on port`, PORT)
    })
  }

  return server
}

function addMiddleware(server) {
  if (process.env.NODE_ENV === 'production') {