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