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

Installer.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.5, at vendor/robloach/component-installer/src/ComponentInstaller/Installer.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;
13
14	use Composer\Composer;
15	use Composer\Installer\LibraryInstaller;
16	use Composer\Script\Event;
17	use Composer\Package\PackageInterface;
18	use Composer\Package\AliasPackage;
19	use Composer\Util\Filesystem;
20
21	/**
22	* Component Installer for Composer.
23	*/
24	class Installer extends LibraryInstaller
25	{
26
27	/**
28	* The location where Components are to be installed.
29	*/
30	protected $componentDir;
31
32	/**
33	* {@inheritDoc}
34	*
35	* Components are supported by all packages. This checks wheteher or not the
36	* entire package is a "component", as well as injects the script to act
37	* on components embedded in packages that are not just "component" types.
38	*/
39	public function supports($packageType)
40	{
41	// Components are supported by all package types. We will just act on
42	// the root package's scripts if available.
43	$rootPackage = isset($this->composer) ? $this->composer->getPackage() : null;
44	if (isset($rootPackage)) {
45	// Ensure we get the root package rather than its alias.
46	while ($rootPackage instanceof AliasPackage) {
47	$rootPackage = $rootPackage->getAliasOf();
48	}
49
50	// Make sure the root package can override the available scripts.
51	if (method_exists($rootPackage, 'setScripts')) {
52	$scripts = $rootPackage->getScripts();
53	// Act on the "post-autoload-dump" command so that we can act on all
54	// the installed packages.
55	$scripts['post-autoload-dump']['component-installer'] = 'ComponentInstaller\\Installer::postAutoloadDump';
56	$rootPackage->setScripts($scripts);
57	}
58	}
59
60	// Explicitly state support of "component" packages.
61	return $packageType === 'component';
62	}
63
64	/**
65	* Gets the destination Component directory.
66	*
67	* @return string
68	* The path to where the final Component should be installed.
69	*/
70	public function getComponentPath(PackageInterface $package)
71	{
72	// Parse the pretty name for the vendor and package name.
73	$name = $prettyName = $package->getPrettyName();
74	if (strpos($prettyName, '/') !== false) {
75	list($vendor, $name) = explode('/', $prettyName);
76	}
77
78	// Allow the component to define its own name.
79	$extra = $package->getExtra();
80	$component = isset($extra['component']) ? $extra['component'] : array();
81	if (isset($component['name'])) {
82	$name = $component['name'];
83	}
84
85	// Find where the package should be located.
86	return $this->getComponentDir() . DIRECTORY_SEPARATOR . $name;
87	}
88
89	/**
90	* Initialize the Component directory, as well as the vendor directory.
91	*/
92	protected function initializeVendorDir()
93	{
94	$this->componentDir = $this->getComponentDir();
95	$this->filesystem->ensureDirectoryExists($this->componentDir);
96	return parent::initializeVendorDir();
97	}
98
99	/**
100	* Retrieves the Installer's provided component directory.
101	*/
102	public function getComponentDir()
103	{
104	$config = $this->composer->getConfig();
105	return $config->has('component-dir') ? $config->get('component-dir') : 'components';
106	}
107
108	/**
109	* Remove both the installed code and files from the Component directory.
110	*/
111	public function removeCode(PackageInterface $package)
112	{
113	$this->removeComponent($package);
114	return parent::removeCode($package);
115	}
116
117	/**
118	* Remove a Component's files from the Component directory.
119	*/
120	public function removeComponent(PackageInterface $package)
121	{
122	$path = $this->getComponentPath($package);
123	return $this->filesystem->remove($path);
124	}
125
126	/**
127	* Before installing the Component, be sure its destination is clear first.
128	*/
129	public function installCode(PackageInterface $package)
130	{
131	$this->removeComponent($package);
132	return parent::installCode($package);
133	}
134
135	/**
136	* Script callback; Acted on after the autoloader is dumped.
137	*/
138	public static function postAutoloadDump(Event $event)
139	{
140	// Retrieve basic information about the environment and present a
141	// message to the user.
142	$composer = $event->getComposer();
143	$io = $event->getIO();
144	$io->write('<info>Compiling component files</info>');
145
146	// Set up all the processes.
147	$processes = array(
148	// Copy the assets to the Components directory.
149	"ComponentInstaller\\Process\\CopyProcess",
150	// Build the require.js file.
151	"ComponentInstaller\\Process\\RequireJsProcess",
152	// Build the require.css file.
153	"ComponentInstaller\\Process\\RequireCssProcess",
154	// Compile the require-built.js file.
155	"ComponentInstaller\\Process\\BuildJsProcess",
156	);
157
158	// Initialize and execute each process in sequence.
159	foreach ($processes as $class) {
160	$process = new $class($composer, $io);
161	// When an error occurs during initialization, end the process.
162	if (!$process->init()) {
163	$io->write('<error>An error occurred while initializing the process.</info>');
164	break;
165	}
166	$process->process();
167	}
168	}
169	}
170