copy-cli/lib/minify-js.js

A CLI tool for copying files, with optional CSS/JS minification.

'use strict';
var UglifyJS = require('uglify-js');

module.exports = function (data) {
	var result = UglifyJS.minify(data, {
		fromString: true,
		compress: {
			unsafe: false,
			screw_ie8: true
		},
		mangle: {
			keep_fnames: true,
			screw_ie8: true
		},
		output: {
			comments: /@license|@preserve|^!/i
		}
	});
	
	return result.code;
};