var webpackMiddleware = require("webpack-dev-middleware");
app.use(webpackMiddleware(...));

app.use(webpackMiddleware(webpack({
	// webpack options
	// webpackMiddleware takes a Compiler object as first parameter
	// which is returned by webpack(...) without callback.
	entry: "...",
	output: {
		path: "/"
		// no real path is required, just pass "/"
		// but it will work with other paths too.
	}
}), {
	// all options optional

	noInfo: false,
	// display no info to console (only warnings and errors)

	quiet: false,
	// display nothing to the console

	lazy: true,
	// switch into lazy mode
	// that means no watching, but recompilation on every request

	watchDelay: 300,
	// delay after change (only lazy: false)

	publicPath: "/assets/",
	// public path to bind the middleware to
	// use the same as in webpack

	headers: { "X-Custom-Header": "yes" },
	// custom headers

	stats: {
		colors: true
	}
	// options for formating the statistics
}));