| #!/usr/bin/env node |
| |
| /* |
| MIT License http://www.opensource.org/licenses/mit-license.php |
| Author Tobias Koppers @sokra |
| */ |
| |
| const { NON_COMPILATION_ARGS } = require("./utils/constants"); |
| |
| (function() { |
| // wrap in IIFE to be able to use return |
| |
| const importLocal = require("import-local"); |
| // Prefer the local installation of webpack-cli |
| if (importLocal(__filename)) { |
| return; |
| } |
| |
| require("v8-compile-cache"); |
| |
| const ErrorHelpers = require("./utils/errorHelpers"); |
| |
| const NON_COMPILATION_CMD = process.argv.find(arg => { |
| if (arg === "serve") { |
| global.process.argv = global.process.argv.filter(a => a !== "serve"); |
| process.argv = global.process.argv; |
| } |
| return NON_COMPILATION_ARGS.find(a => a === arg); |
| }); |
| |
| if (NON_COMPILATION_CMD) { |
| return require("./utils/prompt-command")(NON_COMPILATION_CMD, ...process.argv); |
| } |
| |
| const yargs = require("yargs").usage(`webpack-cli ${require("../package.json").version} |
| |
| Usage: webpack-cli [options] |
| webpack-cli [options] --entry <entry> --output <output> |
| webpack-cli [options] <entries...> --output <output> |
| webpack-cli <command> [options] |
| |
| For more information, see https://webpack.js.org/api/cli/.`); |
| |
| require("./config/config-yargs")(yargs); |
| |
| // yargs will terminate the process early when the user uses help or version. |
| // This causes large help outputs to be cut short (https://github.com/nodejs/node/wiki/API-changes-between-v0.10-and-v4#process). |
| // To prevent this we use the yargs.parse API and exit the process normally |
| yargs.parse(process.argv.slice(2), (err, argv, output) => { |
| Error.stackTraceLimit = 30; |
| |
| // arguments validation failed |
| if (err && output) { |
| console.error(output); |
| process.exitCode = 1; |
| return; |
| } |
| |
| // help or version info |
| if (output) { |
| console.log(output); |
| return; |
| } |
| |
| if (argv.verbose) { |
| argv["display"] = "verbose"; |
| } |
| |
| let options; |
| try { |
| options = require("./utils/convert-argv")(argv); |
| } catch (err) { |
| if (err.code === "MODULE_NOT_FOUND") { |
| const moduleName = err.message.split("'")[1]; |
| let instructions = ""; |
| let errorMessage = ""; |
| |
| if (moduleName === "webpack") { |
| errorMessage = `\n${moduleName} not installed`; |
| instructions = `Install webpack to start bundling: \u001b[32m\n $ npm install --save-dev ${moduleName}\n`; |
| |
| if (process.env.npm_execpath !== undefined && process.env.npm_execpath.includes("yarn")) { |
| instructions = `Install webpack to start bundling: \u001b[32m\n $ yarn add ${moduleName} --dev\n`; |
| } |
| Error.stackTraceLimit = 1; |
| console.error(`${errorMessage}\n\n${instructions}`); |
| process.exitCode = 1; |
| return; |
| } |
| } |
| |
| if (err.name !== "ValidationError") { |
| throw err; |
| } |
| |
| const stack = ErrorHelpers.cleanUpWebpackOptions(err.stack, err.message); |
| const message = err.message + "\n" + stack; |
| |
| if (argv.color) { |
| console.error(`\u001b[1m\u001b[31m${message}\u001b[39m\u001b[22m`); |
| } else { |
| console.error(message); |
| } |
| |
| process.exitCode = 1; |
| return; |
| } |
| |
| /** |
| * When --silent flag is present, an object with a no-op write method is |
| * used in place of process.stout |
| */ |
| const stdout = argv.silent ? { write: () => {} } : process.stdout; |
| |
| function ifArg(name, fn, init) { |
| if (Array.isArray(argv[name])) { |
| if (init) init(); |
| argv[name].forEach(fn); |
| } else if (typeof argv[name] !== "undefined") { |
| if (init) init(); |
| fn(argv[name], -1); |
| } |
| } |
| |
| function processOptions(options) { |
| // process Promise |
| if (typeof options.then === "function") { |
| options.then(processOptions).catch(function(err) { |
| console.error(err.stack || err); |
| // eslint-disable-next-line no-process-exit |
| process.exit(1); |
| }); |
| return; |
| } |
| |
| const firstOptions = [].concat(options)[0]; |
| const statsPresetToOptions = require("webpack").Stats.presetToOptions; |
| |
| let outputOptions = options.stats; |
| if (typeof outputOptions === "boolean" || typeof outputOptions === "string") { |
| outputOptions = statsPresetToOptions(outputOptions); |
| } else if (!outputOptions) { |
| outputOptions = {}; |
| } |
| |
| ifArg("display", function(preset) { |
| outputOptions = statsPresetToOptions(preset); |
| }); |
| |
| outputOptions = Object.create(outputOptions); |
| if (Array.isArray(options) && !outputOptions.children) { |
| outputOptions.children = options.map(o => o.stats); |
| } |
| if (typeof outputOptions.context === "undefined") outputOptions.context = firstOptions.context; |
| |
| ifArg("env", function(value) { |
| if (outputOptions.env) { |
| outputOptions._env = value; |
| } |
| }); |
| |
| ifArg("json", function(bool) { |
| if (bool) { |
| outputOptions.json = bool; |
| outputOptions.modules = bool; |
| } |
| }); |
| |
| if (typeof outputOptions.colors === "undefined") outputOptions.colors = require("supports-color").stdout; |
| |
| ifArg("sort-modules-by", function(value) { |
| outputOptions.modulesSort = value; |
| }); |
| |
| ifArg("sort-chunks-by", function(value) { |
| outputOptions.chunksSort = value; |
| }); |
| |
| ifArg("sort-assets-by", function(value) { |
| outputOptions.assetsSort = value; |
| }); |
| |
| ifArg("display-exclude", function(value) { |
| outputOptions.exclude = value; |
| }); |
| |
| if (!outputOptions.json) { |
| if (typeof outputOptions.cached === "undefined") outputOptions.cached = false; |
| if (typeof outputOptions.cachedAssets === "undefined") outputOptions.cachedAssets = false; |
| |
| ifArg("display-chunks", function(bool) { |
| if (bool) { |
| outputOptions.modules = false; |
| outputOptions.chunks = true; |
| outputOptions.chunkModules = true; |
| } |
| }); |
| |
| ifArg("display-entrypoints", function(bool) { |
| outputOptions.entrypoints = bool; |
| }); |
| |
| ifArg("display-reasons", function(bool) { |
| if (bool) outputOptions.reasons = true; |
| }); |
| |
| ifArg("display-depth", function(bool) { |
| if (bool) outputOptions.depth = true; |
| }); |
| |
| ifArg("display-used-exports", function(bool) { |
| if (bool) outputOptions.usedExports = true; |
| }); |
| |
| ifArg("display-provided-exports", function(bool) { |
| if (bool) outputOptions.providedExports = true; |
| }); |
| |
| ifArg("display-optimization-bailout", function(bool) { |
| if (bool) outputOptions.optimizationBailout = bool; |
| }); |
| |
| ifArg("display-error-details", function(bool) { |
| if (bool) outputOptions.errorDetails = true; |
| }); |
| |
| ifArg("display-origins", function(bool) { |
| if (bool) outputOptions.chunkOrigins = true; |
| }); |
| |
| ifArg("display-max-modules", function(value) { |
| outputOptions.maxModules = +value; |
| }); |
| |
| ifArg("display-cached", function(bool) { |
| if (bool) outputOptions.cached = true; |
| }); |
| |
| ifArg("display-cached-assets", function(bool) { |
| if (bool) outputOptions.cachedAssets = true; |
| }); |
| |
| if (!outputOptions.exclude) outputOptions.exclude = ["node_modules", "bower_components", "components"]; |
| |
| if (argv["display-modules"]) { |
| outputOptions.maxModules = Infinity; |
| outputOptions.exclude = undefined; |
| outputOptions.modules = true; |
| } |
| } |
| |
| ifArg("hide-modules", function(bool) { |
| if (bool) { |
| outputOptions.modules = false; |
| outputOptions.chunkModules = false; |
| } |
| }); |
| |
| ifArg("info-verbosity", function(value) { |
| outputOptions.infoVerbosity = value; |
| }); |
| |
| ifArg("build-delimiter", function(value) { |
| outputOptions.buildDelimiter = value; |
| }); |
| |
| const webpack = require("webpack"); |
| |
| let lastHash = null; |
| let compiler; |
| try { |
| compiler = webpack(options); |
| } catch (err) { |
| if (err.name === "WebpackOptionsValidationError") { |
| if (argv.color) console.error(`\u001b[1m\u001b[31m${err.message}\u001b[39m\u001b[22m`); |
| else console.error(err.message); |
| // eslint-disable-next-line no-process-exit |
| process.exit(1); |
| } |
| |
| throw err; |
| } |
| |
| if (argv.progress) { |
| const ProgressPlugin = require("webpack").ProgressPlugin; |
| new ProgressPlugin({ |
| profile: argv.profile |
| }).apply(compiler); |
| } |
| if (outputOptions.infoVerbosity === "verbose") { |
| if (argv.w) { |
| compiler.hooks.watchRun.tap("WebpackInfo", compilation => { |
| const compilationName = compilation.name ? compilation.name : ""; |
| console.error("\nCompilation " + compilationName + " starting…\n"); |
| }); |
| } else { |
| compiler.hooks.beforeRun.tap("WebpackInfo", compilation => { |
| const compilationName = compilation.name ? compilation.name : ""; |
| console.error("\nCompilation " + compilationName + " starting…\n"); |
| }); |
| } |
| compiler.hooks.done.tap("WebpackInfo", compilation => { |
| const compilationName = compilation.name ? compilation.name : ""; |
| console.error("\nCompilation " + compilationName + " finished\n"); |
| }); |
| } |
| |
| function compilerCallback(err, stats) { |
| if (!options.watch || err) { |
| // Do not keep cache anymore |
| compiler.purgeInputFileSystem(); |
| } |
| if (err) { |
| lastHash = null; |
| console.error(err.stack || err); |
| if (err.details) console.error(err.details); |
| process.exit(1); // eslint-disable-line |
| } |
| if (outputOptions.json) { |
| stdout.write(JSON.stringify(stats.toJson(outputOptions), null, 2) + "\n"); |
| } else if (stats.hash !== lastHash) { |
| lastHash = stats.hash; |
| if (stats.compilation && stats.compilation.errors.length !== 0) { |
| const errors = stats.compilation.errors; |
| if (errors[0].name === "EntryModuleNotFoundError") { |
| console.error("\n\u001b[1m\u001b[31mInsufficient number of arguments or no entry found."); |
| console.error( |
| "\u001b[1m\u001b[31mAlternatively, run 'webpack(-cli) --help' for usage info.\u001b[39m\u001b[22m\n" |
| ); |
| } |
| } |
| const statsString = stats.toString(outputOptions); |
| const delimiter = outputOptions.buildDelimiter ? `${outputOptions.buildDelimiter}\n` : ""; |
| if (statsString) stdout.write(`${statsString}\n${delimiter}`); |
| } |
| if (!options.watch && stats.hasErrors()) { |
| process.exitCode = 2; |
| } |
| } |
| if (firstOptions.watch || options.watch) { |
| const watchOptions = |
| firstOptions.watchOptions || options.watchOptions || firstOptions.watch || options.watch || {}; |
| if (watchOptions.stdin) { |
| process.stdin.on("end", function(_) { |
| process.exit(); // eslint-disable-line |
| }); |
| process.stdin.resume(); |
| } |
| compiler.watch(watchOptions, compilerCallback); |
| if (outputOptions.infoVerbosity !== "none") console.error("\nwebpack is watching the files…\n"); |
| } else { |
| compiler.run((err, stats) => { |
| if (compiler.close) { |
| compiler.close(err2 => { |
| compilerCallback(err || err2, stats); |
| }); |
| } else { |
| compilerCallback(err, stats); |
| } |
| }); |
| } |
| } |
| processOptions(options); |
| }); |
| })(); |