OnlineJudgeFE/build/dev-server.js
2017-11-13 10:12:11 +08:00

113 lines
3.0 KiB
JavaScript

'use strict'
require('./check-versions')()
const config = require('../config')
if (!process.env.NODE_ENV) {
process.env.NODE_ENV = JSON.parse(config.dev.env.NODE_ENV)
}
const opn = require('opn')
const path = require('path')
const express = require('express')
const webpack = require('webpack')
const proxyMiddleware = require('http-proxy-middleware')
const webpackConfig = require('./webpack.dev.conf')
// default port where dev server listens for incoming traffic
const port = process.env.PORT || config.dev.port
// automatically open browser, if not set will be false
const autoOpenBrowser = !!config.dev.autoOpenBrowser
// Define HTTP proxies to your custom API backend
// https://github.com/chimurai/http-proxy-middleware
const proxyTable = config.dev.proxyTable
const app = express()
const compiler = webpack(webpackConfig)
const devMiddleware = require('webpack-dev-middleware')(compiler, {
publicPath: webpackConfig.output.publicPath,
quiet: true
})
const hotMiddleware = require('webpack-hot-middleware')(compiler, {
log: false,
heartbeat: 2000
})
// force page reload when html-webpack-plugin template changes
// currently disabled until this is resolved:
// https://github.com/jantimon/html-webpack-plugin/issues/680
// compiler.plugin('compilation', function (compilation) {
// compilation.plugin('html-webpack-plugin-after-emit', function (data, cb) {
// hotMiddleware.publish({ action: 'reload' })
// cb()
// })
// })
// enable hot-reload and state-preserving
// compilation error display
app.use(hotMiddleware)
// proxy api requests
Object.keys(proxyTable).forEach(function (context) {
let options = proxyTable[context]
if (typeof options === 'string') {
options = { target: options }
}
app.use(proxyMiddleware(options.filter || context, options))
})
// handle fallback for HTML5 history API
const rewrites = {
rewrites: [{
from: '/admin/', // 正则或者字符串
to: '/admin/index.html', // 字符串或者函数
}]
}
const historyMiddleware = require('connect-history-api-fallback')(rewrites);
app.use(historyMiddleware)
// serve webpack bundle output
app.use(devMiddleware)
// serve pure static assets
const staticPath = path.posix.join(config.dev.assetsPublicPath, config.dev.assetsSubDirectory)
app.use(staticPath, express.static('./static'))
const uri = 'http://localhost:' + port
var _resolve
var _reject
var readyPromise = new Promise((resolve, reject) => {
_resolve = resolve
_reject = reject
})
var server
var portfinder = require('portfinder')
portfinder.basePort = port
console.log('> Starting dev server...')
devMiddleware.waitUntilValid(() => {
portfinder.getPort((err, port) => {
if (err) {
_reject(err)
}
process.env.PORT = port
var uri = 'http://localhost:' + port
console.log('> Listening at ' + uri + '\n')
// when env is testing, don't need open it
if (autoOpenBrowser && process.env.NODE_ENV !== 'testing') {
opn(uri)
}
server = app.listen(port)
_resolve()
})
})
module.exports = {
ready: readyPromise,
close: () => {
server.close()
}
}