chushihua
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li
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#!/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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var path = require("path");
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// Local version replace global one
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try {
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var localWebpack = require.resolve(path.join(process.cwd(), "node_modules", "webpack", "bin", "webpack.js"));
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if(__filename !== localWebpack) {
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return require(localWebpack);
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}
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} catch(e) {}
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var yargs = require("yargs")
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.usage("webpack " + require("../package.json").version + "\n" +
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"Usage: https://webpack.js.org/api/cli/\n" +
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"Usage without config file: webpack <entry> [<entry>] <output>\n" +
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"Usage with config file: webpack");
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require("./config-yargs")(yargs);
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var DISPLAY_GROUP = "Stats options:";
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var BASIC_GROUP = "Basic options:";
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yargs.options({
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"json": {
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type: "boolean",
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alias: "j",
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describe: "Prints the result as JSON."
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},
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"progress": {
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type: "boolean",
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describe: "Print compilation progress in percentage",
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group: BASIC_GROUP
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},
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"color": {
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type: "boolean",
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alias: "colors",
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default: function supportsColor() {
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return require("supports-color");
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},
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group: DISPLAY_GROUP,
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describe: "Enables/Disables colors on the console"
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},
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"sort-modules-by": {
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type: "string",
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group: DISPLAY_GROUP,
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describe: "Sorts the modules list by property in module"
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},
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"sort-chunks-by": {
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type: "string",
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group: DISPLAY_GROUP,
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describe: "Sorts the chunks list by property in chunk"
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},
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"sort-assets-by": {
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type: "string",
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group: DISPLAY_GROUP,
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describe: "Sorts the assets list by property in asset"
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},
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"hide-modules": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Hides info about modules"
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},
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"display-exclude": {
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type: "string",
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group: DISPLAY_GROUP,
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describe: "Exclude modules in the output"
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},
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"display-modules": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display even excluded modules in the output"
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},
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"display-max-modules": {
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type: "number",
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group: DISPLAY_GROUP,
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describe: "Sets the maximum number of visible modules in output"
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},
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"display-chunks": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display chunks in the output"
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},
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"display-entrypoints": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display entry points in the output"
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},
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"display-origins": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display origins of chunks in the output"
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},
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"display-cached": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display also cached modules in the output"
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},
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"display-cached-assets": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display also cached assets in the output"
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},
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"display-reasons": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display reasons about module inclusion in the output"
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},
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"display-depth": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display distance from entry point for each module"
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},
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"display-used-exports": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display information about used exports in modules (Tree Shaking)"
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},
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"display-provided-exports": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display information about exports provided from modules"
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},
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"display-optimization-bailout": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display information about why optimization bailed out for modules"
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},
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"display-error-details": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Display details about errors"
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},
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"display": {
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type: "string",
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group: DISPLAY_GROUP,
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describe: "Select display preset (verbose, detailed, normal, minimal, errors-only, none)"
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},
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"verbose": {
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type: "boolean",
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group: DISPLAY_GROUP,
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describe: "Show more details"
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}
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});
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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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// 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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var options = require("./convert-argv")(yargs, argv);
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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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process.exit(1); // eslint-disable-line
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});
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return;
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}
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var firstOptions = [].concat(options)[0];
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var statsPresetToOptions = require("../lib/Stats.js").presetToOptions;
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var 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")
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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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});
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if(typeof outputOptions.colors === "undefined")
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outputOptions.colors = require("supports-color");
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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")
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outputOptions.cached = false;
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if(typeof outputOptions.cachedAssets === "undefined")
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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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if(bool)
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outputOptions.entrypoints = true;
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});
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ifArg("display-reasons", function(bool) {
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if(bool)
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outputOptions.reasons = true;
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});
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ifArg("display-depth", function(bool) {
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if(bool)
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outputOptions.depth = true;
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});
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ifArg("display-used-exports", function(bool) {
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if(bool)
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outputOptions.usedExports = true;
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});
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ifArg("display-provided-exports", function(bool) {
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if(bool)
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outputOptions.providedExports = true;
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});
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ifArg("display-optimization-bailout", function(bool) {
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if(bool)
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outputOptions.optimizationBailout = bool;
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});
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ifArg("display-error-details", function(bool) {
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if(bool)
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outputOptions.errorDetails = true;
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});
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ifArg("display-origins", function(bool) {
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if(bool)
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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)
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outputOptions.cached = true;
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});
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ifArg("display-cached-assets", function(bool) {
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if(bool)
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outputOptions.cachedAssets = true;
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});
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if(!outputOptions.exclude)
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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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var webpack = require("../lib/webpack.js");
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Error.stackTraceLimit = 30;
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var lastHash = null;
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var 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)
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console.error(
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`\u001b[1m\u001b[31m${err.message}\u001b[39m\u001b[22m`
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);
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else
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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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var ProgressPlugin = require("../lib/ProgressPlugin");
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compiler.apply(new ProgressPlugin({
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profile: argv.profile
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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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process.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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var statsString = stats.toString(outputOptions);
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if(statsString)
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process.stdout.write(statsString + "\n");
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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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var watchOptions = firstOptions.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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console.log("\nWebpack is watching the files…\n");
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} else
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compiler.run(compilerCallback);
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}
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processOptions(options);
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});
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Block a user