synclounge/build/dev-server.js

110 lines
2.9 KiB
JavaScript

require('./check-versions')()
const { readSettings } = require('../SettingsHelper');
const settings = readSettings();
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')
const history = require('connect-history-api-fallback');
// 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, {
publicPath: webpackConfig.output.publicPath,
log: () => { }
});
// 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) {
let options = proxyTable[context]
if (typeof options === 'string') {
options = { target: options }
}
app.use(proxyMiddleware(options.filter || context, options))
})
const staticPath = path.posix.join(config.dev.assetsPublicPath, config.dev.assetsSubDirectory);
// handle fallback for HTML5 history API
const indexPath = path.posix.join(staticPath, 'index.html');
app.use(history({
index: indexPath
}));
// serve webpack bundle output
app.use(devMiddleware)
// enable hot-reload and state-preserving
// compilation error display
app.use(hotMiddleware)
// serve pure static assets
app.use(staticPath, express.static('./static'))
const uri = `http://localhost:${port}${staticPath}`;
let _resolve
const 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') {
opn(uri)
}
_resolve()
});
const configPath = path.posix.join(staticPath, 'config');
app.get(configPath, (req, res) => {
res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate');
res.header('Expires', '-1');
res.header('Pragma', 'no-cache');
res.send(settings);
});
const server = app.listen(port)
module.exports = {
ready: readyPromise,
close: () => {
server.close()
}
}