281 lines
14 KiB
JavaScript
281 lines
14 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const WEBPACK_PACKAGE = process.env.WEBPACK_PACKAGE || "webpack";
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const WEBPACK_DEV_SERVER_PACKAGE = process.env.WEBPACK_DEV_SERVER_PACKAGE || "webpack-dev-server";
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class ServeCommand {
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// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-explicit-any
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async apply(cli) {
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const loadDevServerOptions = () => {
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// TODO simplify this after drop webpack v4 and webpack-dev-server v3
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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const devServer = require(WEBPACK_DEV_SERVER_PACKAGE);
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const isNewDevServerCLIAPI = typeof devServer.schema !== "undefined";
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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let options = {};
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if (isNewDevServerCLIAPI) {
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if (cli.webpack.cli && typeof cli.webpack.cli.getArguments === "function") {
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options = cli.webpack.cli.getArguments(devServer.schema);
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}
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else {
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options = devServer.cli.getArguments();
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}
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}
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else {
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options = require(`${WEBPACK_DEV_SERVER_PACKAGE}/bin/cli-flags`);
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}
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// Old options format
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// { devServer: [{...}, {}...] }
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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if (options.devServer) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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return options.devServer;
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}
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// New options format
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// { flag1: {}, flag2: {} }
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return Object.keys(options).map((key) => {
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options[key].name = key;
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return options[key];
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});
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};
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await cli.makeCommand({
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name: "serve [entries...]",
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alias: ["server", "s"],
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description: "Run the webpack dev server.",
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usage: "[entries...] [options]",
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pkg: "@webpack-cli/serve",
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dependencies: [WEBPACK_PACKAGE, WEBPACK_DEV_SERVER_PACKAGE],
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}, async () => {
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let devServerFlags = [];
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cli.webpack = await cli.loadWebpack();
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try {
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devServerFlags = loadDevServerOptions();
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}
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catch (error) {
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cli.logger.error(`You need to install 'webpack-dev-server' for running 'webpack serve'.\n${error}`);
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process.exit(2);
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}
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const builtInOptions = cli.getBuiltInOptions().filter(
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(option) => option.name !== "watch");
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return [...builtInOptions, ...devServerFlags];
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},
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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async (entries, options) => {
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const builtInOptions = cli.getBuiltInOptions();
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let devServerFlags = [];
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try {
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devServerFlags = loadDevServerOptions();
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}
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catch (error) {
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// Nothing, to prevent future updates
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const webpackCLIOptions = {};
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const devServerCLIOptions = {};
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const processors = [];
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for (const optionName in options) {
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const kebabedOption = cli.toKebabCase(optionName);
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// `webpack-dev-server` has own logic for the `--hot` option
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const isBuiltInOption = kebabedOption !== "hot" &&
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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builtInOptions.find((builtInOption) => builtInOption.name === kebabedOption);
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if (isBuiltInOption) {
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webpackCLIOptions[optionName] = options[optionName];
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}
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else {
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const needToProcess = devServerFlags.find(
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(devServerOption) => devServerOption.name === kebabedOption && devServerOption.processor);
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if (needToProcess) {
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processors.push(needToProcess.processor);
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}
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devServerCLIOptions[optionName] = options[optionName];
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}
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}
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for (const processor of processors) {
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processor(devServerCLIOptions);
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}
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if (entries.length > 0) {
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webpackCLIOptions.entry = [...entries, ...(webpackCLIOptions.entry || [])];
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}
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webpackCLIOptions.argv = Object.assign(Object.assign({}, options), { env: Object.assign({ WEBPACK_SERVE: true }, options.env) });
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const compiler = await cli.createCompiler(webpackCLIOptions);
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if (!compiler) {
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return;
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}
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const servers = [];
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if (cli.needWatchStdin(compiler) || devServerCLIOptions.stdin) {
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// TODO remove in the next major release
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// Compatibility with old `stdin` option for `webpack-dev-server`
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// Should be removed for the next major release on both sides
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if (devServerCLIOptions.stdin) {
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delete devServerCLIOptions.stdin;
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}
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process.stdin.on("end", () => {
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Promise.all(servers.map((server) => {
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if (typeof server.stop === "function") {
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return server.stop();
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}
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// TODO remove in the next major release
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return new Promise((resolve) => {
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server.close(() => {
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resolve();
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});
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});
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})).then(() => {
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process.exit(0);
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});
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});
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process.stdin.resume();
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}
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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const DevServer = require(WEBPACK_DEV_SERVER_PACKAGE);
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const isNewDevServerCLIAPI = typeof DevServer.schema !== "undefined";
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let devServerVersion;
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try {
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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devServerVersion = require(`${WEBPACK_DEV_SERVER_PACKAGE}/package.json`).version;
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}
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catch (err) {
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cli.logger.error(`You need to install 'webpack-dev-server' for running 'webpack serve'.\n${err}`);
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process.exit(2);
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}
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const compilers = typeof compiler.compilers !== "undefined" ? compiler.compilers : [compiler];
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const possibleCompilers = compilers.filter((compiler) => compiler.options.devServer);
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const compilersForDevServer = possibleCompilers.length > 0 ? possibleCompilers : [compilers[0]];
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const isDevServer4 = devServerVersion.startsWith("4");
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const usedPorts = [];
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for (const compilerForDevServer of compilersForDevServer) {
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let devServerOptions;
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if (isNewDevServerCLIAPI) {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const args = devServerFlags.reduce((accumulator, flag) => {
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accumulator[flag.name] = flag;
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return accumulator;
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}, {});
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const values = Object.keys(devServerCLIOptions).reduce(
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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(accumulator, name) => {
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const kebabName = cli.toKebabCase(name);
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if (args[kebabName]) {
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accumulator[kebabName] = options[name];
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}
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return accumulator;
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}, {});
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const result = Object.assign({}, (compilerForDevServer.options.devServer || {}));
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const problems = (cli.webpack.cli && typeof cli.webpack.cli.processArguments === "function"
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? cli.webpack.cli
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: DevServer.cli).processArguments(args, result, values);
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if (problems) {
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const groupBy = (xs, key) => {
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return xs.reduce((rv, x) => {
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(rv[x[key]] = rv[x[key]] || []).push(x);
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return rv;
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}, {});
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};
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const problemsByPath = groupBy(problems, "path");
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for (const path in problemsByPath) {
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const problems = problemsByPath[path];
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problems.forEach((problem) => {
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cli.logger.error(`${cli.capitalizeFirstLetter(problem.type.replace(/-/g, " "))}${problem.value ? ` '${problem.value}'` : ""} for the '--${problem.argument}' option${problem.index ? ` by index '${problem.index}'` : ""}`);
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if (problem.expected) {
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cli.logger.error(`Expected: '${problem.expected}'`);
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}
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});
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}
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process.exit(2);
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}
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devServerOptions = result;
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}
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else {
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// TODO remove in the next major release
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const mergeOptions = (devServerOptions, devServerCliOptions) => {
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// CLI options should take precedence over devServer options,
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// and CLI options should have no default values included
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const options = Object.assign(Object.assign({}, devServerOptions), devServerCliOptions);
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if (devServerOptions.client && devServerCliOptions.client) {
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// the user could set some client options in their devServer config,
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// then also specify client options on the CLI
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options.client = Object.assign(Object.assign({}, devServerOptions.client), devServerCliOptions.client);
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}
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return options;
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};
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devServerOptions = mergeOptions(compilerForDevServer.options.devServer || {}, devServerCLIOptions);
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}
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// TODO remove in the next major release
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if (!isDevServer4) {
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const getPublicPathOption = () => {
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const normalizePublicPath = (publicPath) => typeof publicPath === "undefined" || publicPath === "auto" ? "/" : publicPath;
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if (options.outputPublicPath) {
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return normalizePublicPath(compilerForDevServer.options.output.publicPath);
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}
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if (devServerOptions.publicPath) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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return normalizePublicPath(devServerOptions.publicPath);
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}
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return normalizePublicPath(compilerForDevServer.options.output.publicPath);
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};
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const getStatsOption = () => {
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if (options.stats) {
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return options.stats;
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}
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if (devServerOptions.stats) {
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return devServerOptions.stats;
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}
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return compilerForDevServer.options.stats;
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};
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devServerOptions.host = devServerOptions.host || "localhost";
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devServerOptions.port =
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typeof devServerOptions.port !== "undefined" ? devServerOptions.port : 8080;
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devServerOptions.stats = getStatsOption();
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devServerOptions.publicPath = getPublicPathOption();
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}
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if (devServerOptions.port) {
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const portNumber = Number(devServerOptions.port);
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if (usedPorts.find((port) => portNumber === port)) {
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throw new Error("Unique ports must be specified for each devServer option in your webpack configuration. Alternatively, run only 1 devServer config using the --config-name flag to specify your desired config.");
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}
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usedPorts.push(portNumber);
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}
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try {
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let server;
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// TODO: remove after dropping webpack-dev-server@v3
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if (isDevServer4) {
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server = new DevServer(devServerOptions, compiler);
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}
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else {
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server = new DevServer(compiler, devServerOptions);
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}
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if (typeof server.start === "function") {
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await server.start();
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}
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else {
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// TODO remove in the next major release
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server.listen(devServerOptions.port, devServerOptions.host, (error) => {
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if (error) {
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throw error;
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}
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});
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}
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servers.push(server);
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}
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catch (error) {
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if (cli.isValidationError(error)) {
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cli.logger.error(error.message);
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}
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else {
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cli.logger.error(error);
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}
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process.exit(2);
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}
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}
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});
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}
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}
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exports.default = ServeCommand;
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