Simple boilerplate Node Minification with uglify-js

gistfile1.js

/*
 * Simple boilerplate Node Minification build for uglify-js
 *
 * Install: npm install uglify-js; cd to the this script's dir
 * $ node <script-name>.js 
 */
var parser = require( 'uglify-js' ).parser
 ,  uglify = require( 'uglify-js' ).uglify
 ,  path   = require('path')
 ,  fs     = require( 'fs' )
 ,  src    = 'path/to/your/src-file'
 ,  built  = 'path/to/create/your/src-file-min.js';

var _read = function() {
	console.log('Loading  ' + src);
	fs.readFile( src, 'utf8', function (error, data) {
	    if (error) {
		    return console.log('Error' + error);
	    } 
	    _minify(data); 
	});
};

var _minify = function( source ) {
	var ast = uglify.ast_squeeze( uglify.ast_mangle( parser.parse( source ) ) );
	_write( uglify.gen_code( ast ) );
};

var _write = function(min) {
	fs.writeFile(built, min, function(error) {
		if (error) {
	    	return console.log( 'Error' + error);
		}
		console.log('Minified ' + built + '\n' + min);
	});
};
_read();