beyond/lib/engine/process/bundler/bundle/packager/code/js/package/index.js

The Full Stack Universal Typescript Framework

const { minify } = require('uglify-js');
const mformat = require('beyond/mformat');

/**
 * Process the bundle code
 *
 * @param jscode {object} The js code packager
 * @param hmr {boolean} Is it an hmr bundle?
 * @param transversal {boolean} Is it a transversal package?
 */
module.exports = function (jscode, hmr, transversal) {
	'use strict';

	const { packager } = jscode;
	const { distribution } = packager;

	const sourcemap = require('./process')(jscode, hmr, transversal);
	if (transversal && !hmr) return { sourcemap };

	const { mode } = distribution.bundles;
	let { code, map, errors } = mformat({ code: sourcemap.code, map: sourcemap.map, mode });
	if (errors) return { errors };

	if (!distribution.minify?.js) return { sourcemap: { code, map } };

	// Minify the .js bundle
	const { mangle } = distribution.minify.js;
	const specs = Object.assign({ sourceMap: { content: map } }, { mangle: mangle ?? false });

	({ code, map } = minify(code, specs));

	map = typeof map === 'string' ? JSON.parse(map) : map;
	return { sourcemap: { code, map } };
};