Toolchain for building browser version

see #16

.babelrc

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+{
+	presets: ["es2015"]
+}

webpack.config.js

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+"use strict"
+
+const debug       = require("debug")("route4me-dev:webpack")
+const _           = require("lodash")
+const path        = require("path")
+const webpack     = require("webpack")
+const packageJson = require("./package.json")
+
+const distDir = path.join(__dirname, "dist")
+
+// required to avoid loading entire `package.json` to
+// browser-bundle
+const packageJsonReplacement = _.pick(packageJson, [
+	"version"
+])
+
+const commonRules = {
+	module: {
+		loaders: [
+			{
+				test: /\.js$/,
+				exclude: /(node_modules|bower_components)/,
+				loader: 'babel-loader',
+			}, {
+				test: /[\/\\]package\.json$/,
+				loader: "json-string-loader",
+				options: {
+					json: packageJsonReplacement
+				},
+			}
+		],
+
+	},
+	devtool: "source-map",
+	output: {
+		path: distDir,
+		filename: "route4me.js",
+		//libraryTarget: "web",
+	},
+	entry: "./src/index.js",
+	plugins: [
+		new webpack.optimize.UglifyJsPlugin({
+			compress: true,
+			sourceMap: true,
+		}),
+		new webpack.LoaderOptionsPlugin({
+			debug: true
+		}),
+	],
+}
+
+const configs = [{
+	output: {
+		path: path.resolve(distDir),
+		library: "route4me",
+		libraryTarget: "umd2",
+	},
+}, {
+	output: {
+		path: path.resolve(distDir, "commonjs"),
+		library: "route4me",
+		libraryTarget: "commonjs2",
+	},
+}, {
+	output: {
+		path: path.resolve(distDir, "amd"),
+		library: "route4me",
+		libraryTarget: "amd",
+	},
+}]
+
+let fullConfigs = _(configs)
+	.map(cfg => _.defaultsDeep({}, cfg, commonRules))
+	// because gulp-webpack can't handle multiple configs...
+	// TODO: search for workaround
+	.head()
+	//.value()
+
+debug("WebPack config:", fullConfigs)
+module.exports = fullConfigs