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