webpack.config.js

var path = require("path");

module.exports = [
	"eval",
	"eval-cheap-source-map",
	"eval-cheap-module-source-map",
	"eval-source-map",
	"cheap-source-map",
	"cheap-module-source-map",
	"inline-cheap-source-map",
	"inline-cheap-module-source-map",
	"source-map",
	"inline-source-map",
	"hidden-source-map",
	"nosources-source-map"
].map(devtool => ({
	mode: "development",
	entry: {
		bundle: "coffee-loader!./example.coffee"
	},
	output: {
		path: path.join(__dirname, "dist"),
		filename: `./[name]-${devtool}.js`
	},
	devtool,
	optimization: {
		runtimeChunk: true
	}
}));