729 lines
24 KiB
JavaScript
729 lines
24 KiB
JavaScript
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'use strict';
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/* eslint func-names: off */
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require('./polyfills');
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const fs = require('fs');
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const http = require('http');
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const path = require('path');
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const url = require('url');
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const chokidar = require('chokidar');
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const compress = require('compression');
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const del = require('del');
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const express = require('express');
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const httpProxyMiddleware = require('http-proxy-middleware');
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const ip = require('ip');
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const killable = require('killable');
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const serveIndex = require('serve-index');
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const historyApiFallback = require('connect-history-api-fallback');
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const selfsigned = require('selfsigned');
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const sockjs = require('sockjs');
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const spdy = require('spdy');
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const webpack = require('webpack');
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const webpackDevMiddleware = require('webpack-dev-middleware');
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const OptionsValidationError = require('./OptionsValidationError');
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const optionsSchema = require('./optionsSchema.json');
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// Workaround for sockjs@~0.3.19
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// sockjs will remove Origin header, however Origin header is required for checking host.
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// See https://github.com/webpack/webpack-dev-server/issues/1604 for more information
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{
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// eslint-disable-next-line global-require
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const SockjsSession = require('sockjs/lib/transport').Session;
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const decorateConnection = SockjsSession.prototype.decorateConnection;
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SockjsSession.prototype.decorateConnection = function (req) {
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decorateConnection.call(this, req);
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const connection = this.connection;
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if (connection.headers && !('origin' in connection.headers) && 'origin' in req.headers) {
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connection.headers.origin = req.headers.origin;
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}
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};
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}
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const clientStats = { errorDetails: false };
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const log = console.log; // eslint-disable-line no-console
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function Server(compiler, options) {
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// Default options
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if (!options) options = {};
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const validationErrors = webpack.validateSchema(optionsSchema, options);
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if (validationErrors.length) {
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throw new OptionsValidationError(validationErrors);
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}
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if (options.lazy && !options.filename) {
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throw new Error("'filename' option must be set in lazy mode.");
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}
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this.hot = options.hot || options.hotOnly;
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this.headers = options.headers;
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this.clientLogLevel = options.clientLogLevel;
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this.clientOverlay = options.overlay;
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this.progress = options.progress;
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this.disableHostCheck = !!options.disableHostCheck;
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this.publicHost = options.public;
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this.allowedHosts = options.allowedHosts;
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this.sockets = [];
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this.contentBaseWatchers = [];
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this.watchOptions = options.watchOptions || {};
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// Listening for events
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const invalidPlugin = () => {
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this.sockWrite(this.sockets, 'invalid');
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};
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if (this.progress) {
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const progressPlugin = new webpack.ProgressPlugin((percent, msg, addInfo) => {
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percent = Math.floor(percent * 100);
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if (percent === 100) msg = 'Compilation completed';
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if (addInfo) msg = `${msg} (${addInfo})`;
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this.sockWrite(this.sockets, 'progress-update', { percent, msg });
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});
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compiler.apply(progressPlugin);
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}
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compiler.plugin('compile', invalidPlugin);
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compiler.plugin('invalid', invalidPlugin);
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compiler.plugin('done', (stats) => {
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this._sendStats(this.sockets, stats.toJson(clientStats));
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this._stats = stats;
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});
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// Init express server
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const app = this.app = new express(); // eslint-disable-line
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app.all('*', (req, res, next) => { // eslint-disable-line
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if (this.checkHost(req.headers)) { return next(); }
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res.send('Invalid Host header');
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});
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const wdmOptions = {};
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if (options.quiet === true) {
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wdmOptions.logLevel = 'silent';
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}
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if (options.noInfo === true) {
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wdmOptions.logLevel = 'warn';
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}
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// middleware for serving webpack bundle
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this.middleware = webpackDevMiddleware(compiler, Object.assign({}, options, wdmOptions));
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app.get('/__webpack_dev_server__/live.bundle.js', (req, res) => {
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res.setHeader('Content-Type', 'application/javascript');
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fs.createReadStream(path.join(__dirname, '..', 'client', 'live.bundle.js')).pipe(res);
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});
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app.get('/__webpack_dev_server__/sockjs.bundle.js', (req, res) => {
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res.setHeader('Content-Type', 'application/javascript');
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fs.createReadStream(path.join(__dirname, '..', 'client', 'sockjs.bundle.js')).pipe(res);
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});
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app.get('/webpack-dev-server.js', (req, res) => {
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res.setHeader('Content-Type', 'application/javascript');
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fs.createReadStream(path.join(__dirname, '..', 'client', 'index.bundle.js')).pipe(res);
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});
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app.get('/webpack-dev-server/*', (req, res) => {
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res.setHeader('Content-Type', 'text/html');
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fs.createReadStream(path.join(__dirname, '..', 'client', 'live.html')).pipe(res);
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});
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app.get('/webpack-dev-server', (req, res) => {
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res.setHeader('Content-Type', 'text/html');
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res.write('<!DOCTYPE html><html><head><meta charset="utf-8"/></head><body>');
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const outputPath = this.middleware.getFilenameFromUrl(options.publicPath || '/');
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const filesystem = this.middleware.fileSystem;
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function writeDirectory(baseUrl, basePath) {
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const content = filesystem.readdirSync(basePath);
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res.write('<ul>');
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content.forEach((item) => {
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const p = `${basePath}/${item}`;
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if (filesystem.statSync(p).isFile()) {
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res.write('<li><a href="');
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res.write(baseUrl + item);
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res.write('">');
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res.write(item);
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res.write('</a></li>');
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if (/\.js$/.test(item)) {
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const htmlItem = item.substr(0, item.length - 3);
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res.write('<li><a href="');
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res.write(baseUrl + htmlItem);
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res.write('">');
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res.write(htmlItem);
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res.write('</a> (magic html for ');
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res.write(item);
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res.write(') (<a href="');
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res.write(baseUrl.replace(/(^(https?:\/\/[^\/]+)?\/)/, "$1webpack-dev-server/") + htmlItem); // eslint-disable-line
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res.write('">webpack-dev-server</a>)</li>');
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}
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} else {
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res.write('<li>');
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res.write(item);
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res.write('<br>');
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writeDirectory(`${baseUrl + item}/`, p);
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res.write('</li>');
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}
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});
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res.write('</ul>');
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}
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writeDirectory(options.publicPath || '/', outputPath);
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res.end('</body></html>');
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});
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let contentBase;
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if (options.contentBase !== undefined) { // eslint-disable-line
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contentBase = options.contentBase; // eslint-disable-line
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} else {
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contentBase = process.cwd();
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}
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// Keep track of websocket proxies for external websocket upgrade.
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const websocketProxies = [];
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const features = {
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compress() {
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if (options.compress) {
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// Enable gzip compression.
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app.use(compress());
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}
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},
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proxy() {
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if (options.proxy) {
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/**
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* Assume a proxy configuration specified as:
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* proxy: {
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* 'context': { options }
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* }
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* OR
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* proxy: {
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* 'context': 'target'
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* }
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*/
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if (!Array.isArray(options.proxy)) {
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options.proxy = Object.keys(options.proxy).map((context) => {
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let proxyOptions;
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// For backwards compatibility reasons.
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const correctedContext = context.replace(/^\*$/, '**').replace(/\/\*$/, '');
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if (typeof options.proxy[context] === 'string') {
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proxyOptions = {
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context: correctedContext,
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target: options.proxy[context]
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};
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} else {
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proxyOptions = Object.assign({}, options.proxy[context]);
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proxyOptions.context = correctedContext;
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}
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proxyOptions.logLevel = proxyOptions.logLevel || 'warn';
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return proxyOptions;
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});
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}
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const getProxyMiddleware = (proxyConfig) => {
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const context = proxyConfig.context || proxyConfig.path;
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// It is possible to use the `bypass` method without a `target`.
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// However, the proxy middleware has no use in this case, and will fail to instantiate.
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if (proxyConfig.target) {
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return httpProxyMiddleware(context, proxyConfig);
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}
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};
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/**
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* Assume a proxy configuration specified as:
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* proxy: [
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* {
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* context: ...,
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* ...options...
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* },
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* // or:
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* function() {
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* return {
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* context: ...,
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* ...options...
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* };
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* }
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* ]
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*/
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options.proxy.forEach((proxyConfigOrCallback) => {
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let proxyConfig;
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let proxyMiddleware;
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if (typeof proxyConfigOrCallback === 'function') {
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proxyConfig = proxyConfigOrCallback();
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} else {
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proxyConfig = proxyConfigOrCallback;
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}
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proxyMiddleware = getProxyMiddleware(proxyConfig);
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if (proxyConfig.ws) {
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websocketProxies.push(proxyMiddleware);
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}
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app.use((req, res, next) => {
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if (typeof proxyConfigOrCallback === 'function') {
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const newProxyConfig = proxyConfigOrCallback();
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if (newProxyConfig !== proxyConfig) {
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proxyConfig = newProxyConfig;
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proxyMiddleware = getProxyMiddleware(proxyConfig);
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}
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}
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const bypass = typeof proxyConfig.bypass === 'function';
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// eslint-disable-next-line
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const bypassUrl = bypass && proxyConfig.bypass(req, res, proxyConfig) || false;
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if (bypassUrl) {
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req.url = bypassUrl;
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next();
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} else if (proxyMiddleware) {
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return proxyMiddleware(req, res, next);
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} else {
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next();
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}
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});
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});
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}
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},
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historyApiFallback() {
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if (options.historyApiFallback) {
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// Fall back to /index.html if nothing else matches.
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app.use(historyApiFallback(typeof options.historyApiFallback === 'object' ? options.historyApiFallback : null));
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}
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},
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contentBaseFiles() {
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if (Array.isArray(contentBase)) {
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contentBase.forEach((item) => {
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app.get('*', express.static(item));
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});
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} else if (/^(https?:)?\/\//.test(contentBase)) {
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log('Using a URL as contentBase is deprecated and will be removed in the next major version. Please use the proxy option instead.');
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log('proxy: {\n\t"*": "<your current contentBase configuration>"\n}'); // eslint-disable-line quotes
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// Redirect every request to contentBase
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app.get('*', (req, res) => {
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res.writeHead(302, {
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Location: contentBase + req.path + (req._parsedUrl.search || '')
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});
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res.end();
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});
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} else if (typeof contentBase === 'number') {
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log('Using a number as contentBase is deprecated and will be removed in the next major version. Please use the proxy option instead.');
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log('proxy: {\n\t"*": "//localhost:<your current contentBase configuration>"\n}'); // eslint-disable-line quotes
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// Redirect every request to the port contentBase
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app.get('*', (req, res) => {
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res.writeHead(302, {
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Location: `//localhost:${contentBase}${req.path}${req._parsedUrl.search || ''}`
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});
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res.end();
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});
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} else {
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// route content request
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app.get('*', express.static(contentBase, options.staticOptions));
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}
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},
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contentBaseIndex() {
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if (Array.isArray(contentBase)) {
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contentBase.forEach((item) => {
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app.get('*', serveIndex(item));
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});
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} else if (!/^(https?:)?\/\//.test(contentBase) && typeof contentBase !== 'number') {
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app.get('*', serveIndex(contentBase));
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}
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},
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watchContentBase: () => {
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if (/^(https?:)?\/\//.test(contentBase) || typeof contentBase === 'number') {
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throw new Error('Watching remote files is not supported.');
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} else if (Array.isArray(contentBase)) {
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contentBase.forEach((item) => {
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this._watch(item);
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});
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} else {
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this._watch(contentBase);
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}
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},
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before: () => {
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if (typeof options.before === 'function') {
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options.before(app, this);
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}
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},
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middleware: () => {
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// include our middleware to ensure it is able to handle '/index.html' request after redirect
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app.use(this.middleware);
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},
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after: () => {
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if (typeof options.after === 'function') { options.after(app, this); }
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},
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headers: () => {
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app.all('*', this.setContentHeaders.bind(this));
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},
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magicHtml: () => {
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app.get('*', this.serveMagicHtml.bind(this));
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},
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setup: () => {
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if (typeof options.setup === 'function') {
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|
|
log('The `setup` option is deprecated and will be removed in v3. Please update your config to use `before`');
|
||
|
|
options.setup(app, this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
const defaultFeatures = ['before', 'setup', 'headers', 'middleware'];
|
||
|
|
if (options.proxy) { defaultFeatures.push('proxy', 'middleware'); }
|
||
|
|
if (contentBase !== false) { defaultFeatures.push('contentBaseFiles'); }
|
||
|
|
if (options.watchContentBase) { defaultFeatures.push('watchContentBase'); }
|
||
|
|
if (options.historyApiFallback) {
|
||
|
|
defaultFeatures.push('historyApiFallback', 'middleware');
|
||
|
|
if (contentBase !== false) { defaultFeatures.push('contentBaseFiles'); }
|
||
|
|
}
|
||
|
|
defaultFeatures.push('magicHtml');
|
||
|
|
if (contentBase !== false) { defaultFeatures.push('contentBaseIndex'); }
|
||
|
|
// compress is placed last and uses unshift so that it will be the first middleware used
|
||
|
|
if (options.compress) { defaultFeatures.unshift('compress'); }
|
||
|
|
if (options.after) { defaultFeatures.push('after'); }
|
||
|
|
|
||
|
|
(options.features || defaultFeatures).forEach((feature) => {
|
||
|
|
features[feature]();
|
||
|
|
});
|
||
|
|
|
||
|
|
if (options.https) {
|
||
|
|
// for keep supporting CLI parameters
|
||
|
|
if (typeof options.https === 'boolean') {
|
||
|
|
options.https = {
|
||
|
|
key: options.key,
|
||
|
|
cert: options.cert,
|
||
|
|
ca: options.ca,
|
||
|
|
pfx: options.pfx,
|
||
|
|
passphrase: options.pfxPassphrase,
|
||
|
|
requestCert: options.requestCert || false
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
let fakeCert;
|
||
|
|
if (!options.https.key || !options.https.cert) {
|
||
|
|
// Use a self-signed certificate if no certificate was configured.
|
||
|
|
// Cycle certs every 24 hours
|
||
|
|
const certPath = path.join(__dirname, '../ssl/server.pem');
|
||
|
|
let certExists = fs.existsSync(certPath);
|
||
|
|
|
||
|
|
if (certExists) {
|
||
|
|
const certStat = fs.statSync(certPath);
|
||
|
|
const certTtl = 1000 * 60 * 60 * 24;
|
||
|
|
const now = new Date();
|
||
|
|
|
||
|
|
// cert is more than 30 days old, kill it with fire
|
||
|
|
if ((now - certStat.ctime) / certTtl > 30) {
|
||
|
|
log('SSL Certificate is more than 30 days old. Removing.');
|
||
|
|
del.sync([certPath], { force: true });
|
||
|
|
certExists = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!certExists) {
|
||
|
|
log('Generating SSL Certificate');
|
||
|
|
const attrs = [{ name: 'commonName', value: 'localhost' }];
|
||
|
|
const pems = selfsigned.generate(attrs, {
|
||
|
|
algorithm: 'sha256',
|
||
|
|
days: 30,
|
||
|
|
keySize: 2048,
|
||
|
|
extensions: [{
|
||
|
|
name: 'basicConstraints',
|
||
|
|
cA: true
|
||
|
|
}, {
|
||
|
|
name: 'keyUsage',
|
||
|
|
keyCertSign: true,
|
||
|
|
digitalSignature: true,
|
||
|
|
nonRepudiation: true,
|
||
|
|
keyEncipherment: true,
|
||
|
|
dataEncipherment: true
|
||
|
|
}, {
|
||
|
|
name: 'subjectAltName',
|
||
|
|
altNames: [
|
||
|
|
{
|
||
|
|
// type 2 is DNS
|
||
|
|
type: 2,
|
||
|
|
value: 'localhost'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
type: 2,
|
||
|
|
value: 'localhost.localdomain'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
type: 2,
|
||
|
|
value: 'lvh.me'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
type: 2,
|
||
|
|
value: '*.lvh.me'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
type: 2,
|
||
|
|
value: '[::1]'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
// type 7 is IP
|
||
|
|
type: 7,
|
||
|
|
ip: '127.0.0.1'
|
||
|
|
},
|
||
|
|
{
|
||
|
|
type: 7,
|
||
|
|
ip: 'fe80::1'
|
||
|
|
}
|
||
|
|
]
|
||
|
|
}]
|
||
|
|
});
|
||
|
|
|
||
|
|
fs.writeFileSync(certPath, pems.private + pems.cert, { encoding: 'utf-8' });
|
||
|
|
}
|
||
|
|
fakeCert = fs.readFileSync(certPath);
|
||
|
|
}
|
||
|
|
|
||
|
|
options.https.key = options.https.key || fakeCert;
|
||
|
|
options.https.cert = options.https.cert || fakeCert;
|
||
|
|
|
||
|
|
if (!options.https.spdy) {
|
||
|
|
options.https.spdy = {
|
||
|
|
protocols: ['h2', 'http/1.1']
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
this.listeningApp = spdy.createServer(options.https, app);
|
||
|
|
} else {
|
||
|
|
this.listeningApp = http.createServer(app);
|
||
|
|
}
|
||
|
|
|
||
|
|
killable(this.listeningApp);
|
||
|
|
|
||
|
|
// Proxy websockets without the initial http request
|
||
|
|
// https://github.com/chimurai/http-proxy-middleware#external-websocket-upgrade
|
||
|
|
websocketProxies.forEach(function (wsProxy) {
|
||
|
|
this.listeningApp.on('upgrade', wsProxy.upgrade);
|
||
|
|
}, this);
|
||
|
|
}
|
||
|
|
|
||
|
|
Server.prototype.use = function () {
|
||
|
|
// eslint-disable-next-line
|
||
|
|
this.app.use.apply(this.app, arguments);
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.setContentHeaders = function (req, res, next) {
|
||
|
|
if (this.headers) {
|
||
|
|
for (const name in this.headers) { // eslint-disable-line
|
||
|
|
res.setHeader(name, this.headers[name]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
next();
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.checkHost = function (headers, headerToCheck) {
|
||
|
|
// allow user to opt-out this security check, at own risk
|
||
|
|
if (this.disableHostCheck) return true;
|
||
|
|
|
||
|
|
if (!headerToCheck) headerToCheck = 'host';
|
||
|
|
// get the Host header and extract hostname
|
||
|
|
// we don't care about port not matching
|
||
|
|
const hostHeader = headers[headerToCheck];
|
||
|
|
if (!hostHeader) return false;
|
||
|
|
|
||
|
|
// use the node url-parser to retrieve the hostname from the host-header.
|
||
|
|
const hostname = url.parse(
|
||
|
|
// if hostHeader doesn't have scheme, add // for parsing.
|
||
|
|
/^(.+:)?\/\//.test(hostHeader) ? hostHeader : `//${hostHeader}`,
|
||
|
|
false,
|
||
|
|
true
|
||
|
|
).hostname;
|
||
|
|
|
||
|
|
// always allow requests with explicit IPv4 or IPv6-address.
|
||
|
|
// A note on IPv6 addresses: hostHeader will always contain the brackets denoting
|
||
|
|
// an IPv6-address in URLs, these are removed from the hostname in url.parse(),
|
||
|
|
// so we have the pure IPv6-address in hostname.
|
||
|
|
if (ip.isV4Format(hostname) || ip.isV6Format(hostname)) return true;
|
||
|
|
|
||
|
|
// always allow localhost host, for convience
|
||
|
|
if (hostname === 'localhost') return true;
|
||
|
|
|
||
|
|
// allow if hostname is in allowedHosts
|
||
|
|
if (this.allowedHosts && this.allowedHosts.length) {
|
||
|
|
for (let hostIdx = 0; hostIdx < this.allowedHosts.length; hostIdx++) {
|
||
|
|
const allowedHost = this.allowedHosts[hostIdx];
|
||
|
|
if (allowedHost === hostname) return true;
|
||
|
|
|
||
|
|
// support "." as a subdomain wildcard
|
||
|
|
// e.g. ".example.com" will allow "example.com", "www.example.com", "subdomain.example.com", etc
|
||
|
|
if (allowedHost[0] === '.') {
|
||
|
|
// "example.com"
|
||
|
|
if (hostname === allowedHost.substring(1)) return true;
|
||
|
|
// "*.example.com"
|
||
|
|
if (hostname.endsWith(allowedHost)) return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// allow hostname of listening adress
|
||
|
|
if (hostname === this.listenHostname) return true;
|
||
|
|
|
||
|
|
// also allow public hostname if provided
|
||
|
|
if (typeof this.publicHost === 'string') {
|
||
|
|
const idxPublic = this.publicHost.indexOf(':');
|
||
|
|
const publicHostname = idxPublic >= 0 ? this.publicHost.substr(0, idxPublic) : this.publicHost;
|
||
|
|
if (hostname === publicHostname) return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// disallow
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
|
||
|
|
// delegate listen call and init sockjs
|
||
|
|
Server.prototype.listen = function (port, hostname, fn) {
|
||
|
|
this.listenHostname = hostname;
|
||
|
|
// eslint-disable-next-line
|
||
|
|
|
||
|
|
const returnValue = this.listeningApp.listen(port, hostname, (err) => {
|
||
|
|
const sockServer = sockjs.createServer({
|
||
|
|
// Use provided up-to-date sockjs-client
|
||
|
|
sockjs_url: '/__webpack_dev_server__/sockjs.bundle.js',
|
||
|
|
// Limit useless logs
|
||
|
|
log(severity, line) {
|
||
|
|
if (severity === 'error') {
|
||
|
|
log(line);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
sockServer.on('connection', (conn) => {
|
||
|
|
if (!conn) return;
|
||
|
|
if (!this.checkHost(conn.headers) || !this.checkHost(conn.headers, 'origin')) {
|
||
|
|
this.sockWrite([conn], 'error', 'Invalid Host/Origin header');
|
||
|
|
conn.close();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.sockets.push(conn);
|
||
|
|
|
||
|
|
conn.on('close', () => {
|
||
|
|
const connIndex = this.sockets.indexOf(conn);
|
||
|
|
if (connIndex >= 0) {
|
||
|
|
this.sockets.splice(connIndex, 1);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
if (this.clientLogLevel) { this.sockWrite([conn], 'log-level', this.clientLogLevel); }
|
||
|
|
|
||
|
|
if (this.progress) { this.sockWrite([conn], 'progress', this.progress); }
|
||
|
|
|
||
|
|
if (this.clientOverlay) { this.sockWrite([conn], 'overlay', this.clientOverlay); }
|
||
|
|
|
||
|
|
if (this.hot) this.sockWrite([conn], 'hot');
|
||
|
|
|
||
|
|
if (!this._stats) return;
|
||
|
|
this._sendStats([conn], this._stats.toJson(clientStats), true);
|
||
|
|
});
|
||
|
|
|
||
|
|
sockServer.installHandlers(this.listeningApp, {
|
||
|
|
prefix: '/sockjs-node'
|
||
|
|
});
|
||
|
|
|
||
|
|
if (fn) {
|
||
|
|
fn.call(this.listeningApp, err);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return returnValue;
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.close = function (callback) {
|
||
|
|
this.sockets.forEach((sock) => {
|
||
|
|
sock.close();
|
||
|
|
});
|
||
|
|
this.sockets = [];
|
||
|
|
|
||
|
|
this.contentBaseWatchers.forEach((watcher) => {
|
||
|
|
watcher.close();
|
||
|
|
});
|
||
|
|
this.contentBaseWatchers = [];
|
||
|
|
|
||
|
|
this.listeningApp.kill(() => {
|
||
|
|
this.middleware.close(callback);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.sockWrite = function (sockets, type, data) {
|
||
|
|
sockets.forEach((sock) => {
|
||
|
|
sock.write(JSON.stringify({
|
||
|
|
type,
|
||
|
|
data
|
||
|
|
}));
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.serveMagicHtml = function (req, res, next) {
|
||
|
|
const _path = req.path;
|
||
|
|
try {
|
||
|
|
if (!this.middleware.fileSystem.statSync(this.middleware.getFilenameFromUrl(`${_path}.js`)).isFile()) { return next(); }
|
||
|
|
// Serve a page that executes the javascript
|
||
|
|
res.write('<!DOCTYPE html><html><head><meta charset="utf-8"/></head><body><script type="text/javascript" charset="utf-8" src="');
|
||
|
|
res.write(_path);
|
||
|
|
res.write('.js');
|
||
|
|
res.write(req._parsedUrl.search || '');
|
||
|
|
res.end('"></script></body></html>');
|
||
|
|
} catch (e) {
|
||
|
|
return next();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// send stats to a socket or multiple sockets
|
||
|
|
Server.prototype._sendStats = function (sockets, stats, force) {
|
||
|
|
if (!force &&
|
||
|
|
stats &&
|
||
|
|
(!stats.errors || stats.errors.length === 0) &&
|
||
|
|
stats.assets &&
|
||
|
|
stats.assets.every(asset => !asset.emitted)
|
||
|
|
) { return this.sockWrite(sockets, 'still-ok'); }
|
||
|
|
this.sockWrite(sockets, 'hash', stats.hash);
|
||
|
|
if (stats.errors.length > 0) { this.sockWrite(sockets, 'errors', stats.errors); } else if (stats.warnings.length > 0) { this.sockWrite(sockets, 'warnings', stats.warnings); } else { this.sockWrite(sockets, 'ok'); }
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype._watch = function (watchPath) {
|
||
|
|
// duplicate the same massaging of options that watchpack performs
|
||
|
|
// https://github.com/webpack/watchpack/blob/master/lib/DirectoryWatcher.js#L49
|
||
|
|
// this isn't an elegant solution, but we'll improve it in the future
|
||
|
|
const usePolling = this.watchOptions.poll ? true : undefined; // eslint-disable-line no-undefined
|
||
|
|
const interval = typeof this.watchOptions.poll === 'number' ? this.watchOptions.poll : undefined; // eslint-disable-line no-undefined
|
||
|
|
const options = {
|
||
|
|
ignoreInitial: true,
|
||
|
|
persistent: true,
|
||
|
|
followSymlinks: false,
|
||
|
|
depth: 0,
|
||
|
|
atomic: false,
|
||
|
|
alwaysStat: true,
|
||
|
|
ignorePermissionErrors: true,
|
||
|
|
ignored: this.watchOptions.ignored,
|
||
|
|
usePolling,
|
||
|
|
interval
|
||
|
|
};
|
||
|
|
const watcher = chokidar.watch(watchPath, options).on('change', () => {
|
||
|
|
this.sockWrite(this.sockets, 'content-changed');
|
||
|
|
});
|
||
|
|
|
||
|
|
this.contentBaseWatchers.push(watcher);
|
||
|
|
};
|
||
|
|
|
||
|
|
Server.prototype.invalidate = function () {
|
||
|
|
if (this.middleware) this.middleware.invalidate();
|
||
|
|
};
|
||
|
|
|
||
|
|
// Export this logic, so that other implementations, like task-runners can use it
|
||
|
|
Server.addDevServerEntrypoints = require('./util/addDevServerEntrypoints');
|
||
|
|
|
||
|
|
module.exports = Server;
|