server.js

/**
 * @author 龙喜<xiaolong.lxl@alibaba-inc.com>
 * @description server.js
 */

'use strict';

const express = require('express');
const app = express();
const server = require('http').createServer(app);
const colors = require('colors/safe');

module.exports = function(args) {
  let port = args.port || 8080;
  let cwd = args.cwd || process.cwd();

  app.use(function(req, res, next) {
    res.header('Access-Control-Allow-Origin', '*');
    res.header('Access-Control-Expose-Headers', 'Content-Length');
    res.header('Access-Control-Allow-Headers', 'range');
    next();
  });
  app.use(express.static(cwd));

  // start server
  server.listen(port, (err) => {
    if (err) {
      console.log(err);
    } else {
      console.log(`now serving files from ${colors.yellow(cwd)}`);
      console.log(`please visit ${colors.green(`http://localhost${port == 80 ? '' : `:${port}`}/`)}`);
    }
  });
};