webpack/examples/multiple-entry-points/webpack.config.js

module.exports = {
	// mode: "development" || "production",
	entry: {
		pageA: "./pageA",
		pageB: "./pageB"
	},
	optimization: {
		splitChunks: {
			cacheGroups: {
				commons: {
					name: "commons",
					chunks: "initial",
					minChunks: 2,
					minSize: 0
				}
			}
		},
		chunkIds: "deterministic" // To keep filename consistent between different modes (for example building only)
	}
};