README

A package management tool that optimizes CSS and JavaScript download times

Organize your static files into packs (packages). Packs can be developed and debugged while in development mode. Once put into production mode, packs are run through Closure Compiler. This optimizes the payload while preserving script execution order.

TODO List

Create a cache backed library to compile scripts using Closure Compiler
Create script to upload files to Amazon S3, Akamai, and other popular CDNs

Example

Start by creating your package managers

// create instances of JS and CSS package managers
global $JS_PACK, $CSS_PACK;
JsPack::setInstance($JS_PACK = new JsPack());
CssPack::setInstance($CSS_PACK = new CssPack());

Then, register your packages. Packages can consist of:

Relative paths
Absolute paths
Plain-text scripts
Markup

Defining your packages once in index.html. Note that it is best to create separate packages for separate pages in your site

// build a large pack for all of your common JavaScript
define('JS_BASE', 'JS_BASE');
$JS_PACK->register(JS_BASE, array(
	'https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.js',
	'/js/ender/node_modules/underscore/underscore.js',
	'/js/ender/node_modules/backbone/backbone.js',
	'/js/bootstrap/bootstrap-button.js',
	'/js/bootstrap/bootstrap-collapse.js',
	'/js/bootstrap/bootstrap-modal.js',
	'/js/bootstrap/bootstrap-alert.js',
	'/js/bootstrap/bootstrap-carousel.js',
	'/js/bootstrap/bootstrap-tooltip.js',
));

// create additional packs for supplemental pages
define('JS_PROFILE', 'JS_PROFILE');
$JS_PACK->register(JS_PROFILE, array(
	'<script>alert("Hello, dear user.");</script>',
	'alert("this also works.");'
));

During run-time, you can declare a dependency on a package easily:

$JS_PACK->inclHead(JS_BASE);
$JS_PACK->inclHead(JS_PROFILE);

You can also inject scripts directly:

foreach (array('alert', 'me', 'thrice') as $msg) {
	$JS_PACK->inclDomReady(sprintf("alert(%s)", json_encode($msg)));
}

Internet Explorer hacks can also be managed with version control:

$JS_PACK->inclIE('/js/html5.js', 6, 8);
// ideally, this would be included in a package, too
//$JS_PACK->inclIE(JS_IE_FIXES);

Everything supported by JsPack is also support for CSS:

define('CSS_BASE', 'CSS_BASE');
$CSS_PACK->register(CSS_BASE, array(
	'/less/bootstrap.css'
));

// ...later during run-time
$CSS_PACK->inclHead(CSS_BASE);

Render the scripts into your markup templates:

<? global $JS_PACK, $CSS_PACK; ?>
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
<?=$CSS_PACK->renderHead()?>
<?=$JS_PACK->renderHead()?>
</head>
<body>
<?=$CSS_PACK->renderBody()?>
<?=$JS_PACK->renderBody()?>
	Hello World.
<?=$CSS_PACK->renderDomReady()?>
<?=$JS_PACK->renderDomReady()?>
</body>
</html>

The output might look like this:

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="/less/bootstrap.css" rel="stylesheet">
<!--[if (gte IE 6)&(lte IE 8)]>
<script src="/js/html5.js"></script>
<![endif]-->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.js"></script>
<script src="/js/ender/node_modules/underscore/underscore.js"></script>
<script src="/js/ender/node_modules/backbone/backbone.js"></script>
<script src="/js/bootstrap/bootstrap-button.js"></script>
<script src="/js/bootstrap/bootstrap-collapse.js"></script>
<script src="/js/bootstrap/bootstrap-modal.js"></script>
<script src="/js/bootstrap/bootstrap-alert.js"></script>
<script src="/js/bootstrap/bootstrap-carousel.js"></script>
<script src="/js/bootstrap/bootstrap-tooltip.js"></script>
<script>alert("Hello, dear user.");</script>
<script>
alert("this also works.");
</script></head>
<body>
	Hello World.
<script>
alert("alert")
</script>
<script>
alert("me")
</script>
<script>
alert("thrice")
</script></body>
</html>

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thesmart/super-pack

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