webpack/examples/common-chunk-and-vendor-chunk/webpack.config.js

var path = require("path");
var CommonsChunkPlugin = require("../../lib/optimize/CommonsChunkPlugin");

module.exports = {
	// mode: "development" || "production",
	entry: {
		vendor: ["./vendor1", "./vendor2"],
		pageA: "./pageA",
		pageB: "./pageB",
		pageC: "./pageC"
		// older versions of webpack may require an empty entry point declaration here
		// common: []
	},
	output: {
		path: path.join(__dirname, "dist"),
		filename: "[name].js"
	},
	plugins: [
		new CommonsChunkPlugin({
			// The order of this array matters
			names: ["common", "vendor"],
			minChunks: 2
		})
	]
};