webpack/bm.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.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var webpack = require("./lib/webpack");
var path = require("path");

var TIMES = 5;

/* TESTS */

var root = path.join(__dirname, "test", "browsertest");

var testCases = {
	"javascript          ": path.join(root, "lib", "a.js"),
	"javascript with deps": path.join(root, "lib", "b.js"),
	"css                 ": path.join(root, "node_modules", "resources-module", "stylesheet-import2.css"),
	"less                ": path.join(root, "node_modules", "resources-module", "import2.less"),
	"jade                ": path.join(root, "resources", "template.jade"),
	"json                ": path.join(__dirname, "package.json"),
	"coffee              ": path.join(root, "resources", "script.coffee"),
	"file                ": path.join(__dirname, "node_modules", "file-loader", "png.js") + "!" + path.join(root, "img", "image.png"),
	"raw                 ": path.join(__dirname, "node_modules", "raw-loader") + "!" + path.join(root, "resources", "abc.txt"),
	"mixed               ": path.join(root, "lib", "index.web.js"),
}

var TESTS = {}

Object.keys(testCases).forEach(function(name) {
	TESTS[name + "                     "] = runWebpack.bind(null, name, testCases[name], false, false, false);
	TESTS[name + " single              "] = runWebpack.bind(null, name, testCases[name], true,  false, false);
	TESTS[name + "        debug        "] = runWebpack.bind(null, name, testCases[name], false, true,  false);
	TESTS[name + " single debug        "] = runWebpack.bind(null, name, testCases[name], true,  true,  false);
	TESTS[name + "        min          "] = runWebpack.bind(null, name, testCases[name], false, false, true );
	TESTS[name + " single min          "] = runWebpack.bind(null, name, testCases[name], true,  false, true );
});

function runWebpack(name, file, single, debug, min, cb) {
	webpack({
		entry: file,
		output: {
			path: path.join(root, "js", "bm"),
			filename: name.trim() + ".js"
		},
		optimize: {
			maxChunks: single ? 1 : undefined,
			minimize: min,
		},
		debug: debug
	}, cb);
}

/* MAIN */

asyncForEach(Object.keys(TESTS), function(name, done) {
	var test = TESTS[name];
	test(function() {
		var startTime = new Date();
		asyncTimes(test, TIMES, function(err) {
			if(err) throw err;
			var endTime = new Date();
			var time = (endTime - startTime) / TIMES;
			console.log(name + "\t" + time + "ms");
			done();
		});
	});
}, function() {
});

/* HELPERS */

function asyncForEach(items, fn, cb) {
	var i = -1;
	(function run() {
		i++;
		if(i < items.length) {
			fn(items[i], run);
		} else {
			cb();
		}
	}());
}

function asyncTimes(fn, count, cb) {
	(function run(err) {
		if(err) return cb(err);
		if(count-- == 0) return cb();
		fn(run);
	}())
}