webpack/lib/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.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var Compiler = require("./Compiler");
var MultiCompiler = require("./MultiCompiler");
var NodeEnvironmentPlugin = require("./node/NodeEnvironmentPlugin");
var WebpackOptionsApply = require("./WebpackOptionsApply");
var WebpackOptionsDefaulter = require("./WebpackOptionsDefaulter");

function webpack(options, callback) {
	var compiler;
	if(Array.isArray(options)) {
		compiler = new MultiCompiler(options.map(function(options) {
			return webpack(options);
		}));
	} else {
		new WebpackOptionsDefaulter().process(options);

		compiler = new Compiler();
		compiler.options = options;
		compiler.options = new WebpackOptionsApply().process(options, compiler);
		new NodeEnvironmentPlugin().apply(compiler);
	}
	if(callback) {
		if(options.watch) {
			return compiler.watch(options.watchDelay, callback);
		} else {
			compiler.run(callback);
		}
	}
	return compiler;
}
exports = module.exports = webpack;

webpack.WebpackOptionsDefaulter = WebpackOptionsDefaulter;
webpack.WebpackOptionsApply = WebpackOptionsApply;
webpack.Compiler = Compiler;
webpack.MultiCompiler = MultiCompiler;
webpack.NodeEnvironmentPlugin = NodeEnvironmentPlugin;

function exportPlugins(exports, path, plugins) {
	plugins.forEach(function(name) {
		Object.defineProperty(exports, name, {
			configurable: false,
			enumerable: true,
			get: function() {
				return require(path + "/" + name);
			}
		});
	});
}

exportPlugins(exports, ".", [
	"DefinePlugin",
	"NormalModuleReplacementPlugin",
	"ContextReplacementPlugin",
	"IgnorePlugin",
	"BannerPlugin",
	"PrefetchPlugin",
	"ProvidePlugin",
	"HotModuleReplacementPlugin",
	"ResolverPlugin",
	"SourceMapDevToolPlugin",
	"EvalDevToolModulePlugin",
	"CachePlugin",
	"ExtendedAPIPlugin",
	"ExternalsPlugin",
	"JsonpTemplatePlugin",
	"LibraryTemplatePlugin",
	"LoaderTargetPlugin",
	"MemoryOutputFileSystem",
	"ProgressPlugin",
	"SetVarMainTemplatePlugin",
	"UmdMainTemplatePlugin",
	"NoErrorsPlugin",
]);
exportPlugins(exports.optimize = {}, "./optimize", [
	"AggressiveMergingPlugin",
	"CommonsChunkPlugin",
	"DedupePlugin",
	"LimitChunkCountPlugin",
	"MinChunkSizePlugin",
	"OccurenceOrderPlugin",
	"OccurrenceOrderPlugin",
	"UglifyJsPlugin"
]);
exportPlugins(exports.dependencies = {}, "./dependencies", [
	"LabeledModulesPlugin"
]);