wp-optimize / vendor / robloach / component-installer / src / ComponentInstaller / Process / RequireCssProcess.php

RequireCssProcess.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.3, at vendor/robloach/component-installer/src/ComponentInstaller/Process/RequireCssProcess.php

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1	<?php
2
3	/*
4	* This file is part of Component Installer.
5	*
6	* (c) Rob Loach (http://robloach.net)
7	*
8	* For the full copyright and license information, please view the LICENSE.md
9	* file that was distributed with this source code.
10	*/
11
12	namespace ComponentInstaller\Process;
13
14	use Composer\Composer;
15	use Composer\Config;
16	use Composer\Package\Package;
17	use Assetic\Asset\AssetCollection;
18	use Assetic\Filter\CssRewriteFilter;
19	use Assetic\Asset\FileAsset;
20	use Assetic\Filter\FilterCollection;
21
22	/**
23	* Builds the require.css file from all Component stylesheets.
24	*/
25	class RequireCssProcess extends Process
26	{
27	/**
28	* {@inheritdoc}
29	*/
30	public function process()
31	{
32	$filters = new FilterCollection(array(
33	new CssRewriteFilter(),
34	));
35	$assets = new AssetCollection();
36	$styles = $this->packageStyles($this->packages);
37	foreach ($styles as $package => $packageStyles) {
38	foreach ($packageStyles as $style => $paths) {
39	foreach ($paths as $path) {
40	// The full path to the CSS file.
41	$assetPath = realpath($path);
42	// The root of the CSS file.
43	$sourceRoot = dirname($path);
44	// The style path to the CSS file when external.
45	$sourcePath = $package . '/' . $style;
46	// Where the final CSS will be generated.
47	$targetPath = $this->componentDir;
48	// Build the asset and add it to the collection.
49	$asset = new FileAsset($assetPath, $filters, $sourceRoot, $sourcePath);
50	$asset->setTargetPath($targetPath);
51	$assets->add($asset);
52	}
53	}
54	}
55
56	$css = $assets->dump();
57	if (file_put_contents($this->componentDir . '/require.css', $css) === FALSE) {
58	$this->io->write('<error>Error writing require.css to destination</error>');
59
60	return false;
61	}
62	}
63
64	/**
65	* Retrieves an array of styles from a collection of packages.
66	*
67	* @param $packages
68	* An array of packages from the composer.lock file.
69	* @param $config
70	* The Composer Config object.
71	*
72	* @return array
73	* A set of package styles.
74	*/
75	public function packageStyles(array $packages)
76	{
77	$output = array();
78
79	// Construct the packages configuration.
80	foreach ($packages as $package) {
81	// Retrieve information from the extra options.
82	$extra = isset($package['extra']) ? $package['extra'] : array();
83	$name = $this->getComponentName($package['name'], $extra);
84	$component = isset($extra['component']) ? $extra['component'] : array();
85	$styles = isset($component['styles']) ? $component['styles'] : array();
86	$vendorDir = $this->getVendorDir($package);
87
88	// Loop through each style.
89	foreach ($styles as $style) {
90	// Find the style path from the vendor directory.
91	$path = $vendorDir.'/'.$style;
92
93	// Search for the candidate with a glob recursive file search.
94	$files = $this->fs->recursiveGlobFiles($path);
95	foreach ($files as $file) {
96	// Provide the package name, style and full path.
97	$output[$name][$style][] = $file;
98	}
99	}
100	}
101
102	return $output;
103	}
104	}
105