mirror of https://github.com/embarklabs/embark.git
93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
const async = require('async');
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let serveStatic = require('serve-static');
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const {canonicalHost, defaultHost, dockerHostSwap} = require('../../utils/host');
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const expressWebSocket = require('express-ws');
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const express = require('express');
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const fs = require('../../core/fs');
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require('http-shutdown').extend();
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class Server {
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constructor(options) {
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this.buildDir = options.buildDir;
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this.events = options.events;
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this.port = options.port || 8000;
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this.hostname = dockerHostSwap(options.host) || defaultHost;
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this.isFirstStart = true;
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this.opened = false;
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this.openBrowser = options.openBrowser;
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}
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start(callback) {
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const self = this;
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if (this.server && this.server.listening) {
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let message = __("a webserver is already running at") + " " +
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("http://" + canonicalHost(this.hostname) +
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":" + this.port).bold.underline.green;
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return callback(null, message);
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}
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const coverage = serveStatic(fs.dappPath('coverage/__root__/'), {'index': ['index.html', 'index.htm']});
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const coverageStyle = serveStatic(fs.dappPath('coverage/'));
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const main = serveStatic(this.buildDir, {'index': ['index.html', 'index.htm']});
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this.app = express();
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const expressWs = expressWebSocket(this.app);
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this.app.use(main);
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this.app.use('/coverage', coverage);
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this.app.use(coverageStyle);
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this.app.ws('/', (_ws, _req) => {});
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const wss = expressWs.getWss('/');
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self.events.on('outputDone', () => {
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wss.clients.forEach(function (client) {
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client.send('outputDone');
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});
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});
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async.waterfall([
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function createPlaceholderPage(next) {
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if (!self.isFirstStart) {
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return next();
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}
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self.isFirstStart = false;
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self.events.request('build-placeholder', next);
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},
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function listen(next) {
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self.server = self.app.listen(self.port, self.hostname, () => {
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self.port = self.server.address().port;
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next();
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});
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},
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function openBrowser(next) {
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if (!self.openBrowser || self.opened) {
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return next();
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}
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self.opened = true;
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self.events.request('open-browser', next);
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}
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], function (err) {
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if (err) {
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return callback(err);
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}
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const msg = (
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__('webserver available at') + ' ' +
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('http://' + canonicalHost(self.hostname) + ':' + self.port).bold.underline.green
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);
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callback(null, msg, self.port);
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});
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}
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stop(callback) {
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if (!this.server || !this.server.listening) {
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return callback(null, __("no webserver is currently running"));
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}
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this.server.close(function() {
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callback(null, __("Webserver stopped"));
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});
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}
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}
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module.exports = Server;
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