webpack.config.js

const path = require( 'path' );
const webpack = require( 'webpack' );
const defaultConfig = require( '@wordpress/scripts/config/webpack.config' );
const DependencyExtractionWebpackPlugin = require( '@woocommerce/dependency-extraction-webpack-plugin' );

module.exports = {
	...defaultConfig,
	optimization: {
		...defaultConfig.optimization,
		splitChunks: undefined,
	},
	plugins: [
		...defaultConfig.plugins.filter(
			( plugin ) =>
				plugin.constructor.name !== 'DependencyExtractionWebpackPlugin'
		),
		new DependencyExtractionWebpackPlugin( {
			injectPolyfill: true,
		} ),
		new webpack.DefinePlugin( {
			__PAYMENT_METHOD_FEES_ENABLED: JSON.stringify(
				process.env.PAYMENT_METHOD_FEES_ENABLED === 'true'
			),
		} ),
	],
	resolve: {
		extensions: [ '.json', '.js', '.jsx' ],
		modules: [ path.join( __dirname, 'client' ), 'node_modules' ],
		alias: {
			wcstripe: path.resolve( __dirname, 'client' ),
		},
	},
	entry: {
		index: './client/blocks/index.js',
		old_settings_upe_toggle:
			'./client/entrypoints/old-settings-upe-toggle/index.js',
		payment_requests_settings:
			'./client/entrypoints/payment-request-settings/index.js',
		upe_classic: './client/classic/upe/index.js',
		upe_blocks: './client/blocks/upe/index.js',
		upe_settings: './client/settings/index.js',
		payment_gateways: './client/entrypoints/payment-gateways/index.js',
	},
};