js minifier on NILScript(parse html)

minify.js

var root = './htdocs/';
var html_path = root + 'index.html';
var output = cwd().file(root + 'js/minified.js').create();
var html = cwd().file(html_path).load('UTF-8');
var target_reg = /<!-- MINIFY_TARGET -->([\s\S]+?)<!-- \/MINIFY_TARGET -->/;
var block = html.match(target_reg).pop();

var minify = block.match(/'\/js\/.+?'/g).map(function (path) {
	return cwd().file(root + path.replace(/'/g, '')).load('UTF-8');
}).join('');

var res = require('HTTP').HTTP.post('http://closure-compiler.appspot.com/compile', {
	'js_code' : minify,
	'compilation_level' : 'SIMPLE_OPTIMIZATIONS',
	'output_format' : 'json',
	'output_info' : 'compiled_code'
});

output.update(Object.fromJSON('('+res+')').compiledCode, 'UTF-8');

var timestamp = (new Date).getTime();
cwd().file(html_path+'_').update(html, 'UTF-8');

cwd().file(html_path).update(html.replace(target_reg, '<script type="text/javascript" src="/js/minified.js?'+timestamp+'"></script>'), 'UTF-8');