brain-vue-cli/build/dev-server.ts

A command line tool used to run projects

import EConfig from '../libs/settings/EConfig';
import { URL_PREFIX } from '../libs/constants/constants';
// require('./check-versions')()
var config = require('../config')
if (!process.env.NODE_ENV) {
  process.env.NODE_ENV = JSON.parse(config.dev.env.NODE_ENV)
}
const {name,apps} = EConfig.getInstance();
var opn = require('opn')
var path = require('path')
var express = require('express')
var webpack = require('webpack')
// var request = require('request');
var proxyMiddleware = require('http-proxy-middleware')
var webpackConfig = process.env.NODE_ENV === 'testing'
  ? require('./webpack.prod.conf')
  : require('./webpack.dev.conf')

// default port where dev server listens for incoming traffic
var port = process.env.PORT || config.dev.port
// automatically open browser, if not set will be false
var autoOpenBrowser = !!config.dev.autoOpenBrowser
// Define HTTP proxies to your custom API backend
// https://github.com/chimurai/http-proxy-middleware
var proxyTable = config.dev.proxyTable;
var app = express()
var compiler = webpack(webpackConfig)
var historyApiFallback = require('connect-history-api-fallback');
var devMiddleware = require('webpack-dev-middleware')(compiler, {
  publicPath: webpackConfig.output.publicPath,
  quiet: true
})

var hotMiddleware = require('webpack-hot-middleware')(compiler, {
  log: false,
  heartbeat: 2000
})
// force page reload when html-webpack-plugin template changes
compiler.plugin('compilation', function (compilation) {
  compilation.plugin('html-webpack-plugin-after-emit', function (data, cb) {
    hotMiddleware.publish({ action: 'reload' })
    cb()
  })
})

// proxy api requests
Object.keys(proxyTable).forEach(function (context) {
  var options = proxyTable[context]
  if (typeof options === 'string') {
    options = { target: options }
  }
  app.use(proxyMiddleware(options.filter || context, options))
})

// handleOperation fallback for HTML5 history API
// app.use(require('connect-history-api-fallback')())

const HISTORY_REWRITE_FALL_BACK_REGEX_FUNC = (name: string) => {
    const {name:projectName} = EConfig.getInstance();
    const path = `${URL_PREFIX}/${projectName}/${name}`;
    return new RegExp(`^/((${path}(?=/)|(${path}$)))`);
 };
app.use(historyApiFallback({
    rewrites: apps.map((app: string) => ({
        from: HISTORY_REWRITE_FALL_BACK_REGEX_FUNC(app),
        to: `/${app}/index.html`
    }))
}));

// serve webpack bundle output
app.use(devMiddleware)

// enable hot-reload and state-preserving
// compilation error display
app.use(hotMiddleware)

// serve pure static assets
var staticPath = path.posix.join(config.dev.assetsPublicPath, config.dev.assetsSubDirectory)
app.use(staticPath, express.static('./static'))

//var uri = 'http://localhost:' + port

var uri=`http://localhost:${port}/${URL_PREFIX}/${name}/`
var _resolve
var readyPromise = new Promise(resolve => {
  _resolve = resolve
})

console.log('> Starting dev server...')
devMiddleware.waitUntilValid(() => {
  console.log('> Listening at ' + uri + '\n')
  // when env is testing, don't need open it
  if (autoOpenBrowser && process.env.NODE_ENV !== 'testing') {
    if (!apps[0]) {
        //http://localhost:8000/app2/index.html#/
        console.warn(`忽略自动打开浏览器功能:`);
        console.warn(`请提供指定需要app name作为相对路径`);
    }
    else{
        uri=`${uri}${apps[0]}`
        opn(uri)
    }
    
  }
  _resolve()
})

var server = app.listen(port)
module.exports = {
  ready: readyPromise,
  close: () => {
    server.close()
  }
}