396 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			396 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
#!/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(e) {
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			var WebpackOptionsValidationError = require("../lib/WebpackOptionsValidationError");
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			if(e instanceof WebpackOptionsValidationError) {
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				if(argv.color)
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					console.error("\u001b[1m\u001b[31m" + e.message + "\u001b[39m\u001b[22m");
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				else
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					console.error(e.message);
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				process.exit(1); // eslint-disable-line no-process-exit
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			}
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			throw e;
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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.exit(1); // eslint-disable-line
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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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