webpack/bin/webpack.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

#!/usr/bin/env node

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var path = require("path");
// Local version replace global one
try {
	var localWebpack = require.resolve(path.join(process.cwd(), "node_modules", "webpack", "bin", "webpack.js"));
	if(__filename != localWebpack) {
		return require(localWebpack);
	}
} catch(e) {}
var fs = require("fs");
var util = require("util");
var optimist = require("optimist")
	.usage("webpack " + require("../package.json").version + "\n" +
		"Usage: http://webpack.github.io/docs/cli.html")
	
require("./config-optimist")(optimist);

optimist

	.boolean("json").alias("json", "j").describe("json")
	
	.boolean("colors").alias("colors", "c").describe("colors")

	.string("sort-modules-by").describe("sort-modules-by")

	.string("sort-chunks-by").describe("sort-chunks-by")

	.string("sort-assets-by").describe("sort-assets-by")

	.boolean("hide-modules").describe("hide-modules")

	.string("display-exclude").describe("display-exclude")

	.boolean("display-modules").describe("display-modules")

	.boolean("display-chunks").describe("display-chunks")

	.boolean("display-error-details").describe("display-error-details")

	.boolean("display-origins").describe("display-origins")

	.boolean("display-cached").describe("display-cached")

	.boolean("display-cached-assets").describe("display-cached-assets")

	.boolean("display-reasons").alias("display-reasons", "verbose").alias("display-reasons", "v").describe("display-reasons");

	
var argv = optimist.argv;

var options = require("./convert-argv")(optimist, argv);

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);
	}
}



var outputOptions = {
	cached: false,
	cachedAssets: false,
	context: options.context
};

ifArg("json", function(bool) {
	outputOptions.json = bool;
});

ifArg("colors", function(bool) {
	outputOptions.colors = bool;
});

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) {
	ifArg("display-chunks", function(bool) {
		outputOptions.modules = !bool;
		outputOptions.chunks = bool;
	});

	ifArg("display-reasons", function(bool) {
		outputOptions.reasons = bool;
	});

	ifArg("display-error-details", function(bool) {
		outputOptions.errorDetails = bool;
	});

	ifArg("display-origins", function(bool) {
		outputOptions.chunkOrigins = bool;
	});

	ifArg("display-cached", function(bool) {
		if(bool)
			outputOptions.cached = true;
	});

	ifArg("display-cached-assets", function(bool) {
		if(bool)
			outputOptions.cachedAssets = true;
	});
	
	if(!outputOptions.exclude && !argv["display-modules"])
		outputOptions.exclude = ["node_modules", "bower_components", "jam", "components"];
} else {
	outputOptions.chunks = true;
	outputOptions.modules = true;
	outputOptions.chunkModules = true;
	outputOptions.reasons = true;
	outputOptions.cached = true;
	outputOptions.cachedAssets = true;
}

ifArg("hide-modules", function(bool) {
	if(bool) {
		outputOptions.modules = false;
		outputOptions.chunkModules = false;
	}
});

var webpack = require("../lib/webpack.js");

Error.stackTrackLimit = 30;
var lastHash = null;
var compiler = webpack(options, function(err, stats) {
	if(!options.watch) {
		// Do not keep cache anymore
		compiler.purgeInputFileSystem();
	}
	if(err) {
		lastHash = null;
		console.error(err.stack || err);
		if(err.details) console.error(err.details);
		if(!options.watch) {
			process.on("exit", function() {
				process.exit(1);
			});
		}
		return;
	}
	if(outputOptions.json) {
		process.stdout.write(JSON.stringify(stats.toJson(outputOptions), null, 2) + "\n");
	} else if(stats.hash !== lastHash) {
		lastHash = stats.hash;
		process.stdout.write(stats.toString(outputOptions) + "\n");
	}
});