Assets::get_hash_of() - Code Metrics - Inspection of "Unused statement removed" - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7f5b44...b3ef7a )

by Nazar

created 2016-12-14 02:38 UTC

Assets::get_hash_of() A

↳ Parent: Assets

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php
/**
 * @package   CleverStyle Framework
 * @author    Nazar Mokrynskyi <[email protected]>
 * @copyright Copyright (c) 2014-2016, Nazar Mokrynskyi
 * @license   MIT License, see license.txt
 */
namespace cs\Page;
use
	cs\App,
	cs\Config,
	cs\Language,
	cs\Request,
	cs\Response,
	h,
	cs\Page\Assets\Cache,
	cs\Page\Assets\Collecting,
	cs\Page\Assets\RequireJS;

/**
 * Assets management for `cs\Page` class
 *
 * @property string $Title
 * @property string $Description
 * @property string $canonical_url
 * @property string $Head
 * @property string $post_Body
 * @property string $theme
 */
trait Assets {
	protected $extension_to_as = [
		'jpeg' => 'image',
		'jpe'  => 'image',
		'jpg'  => 'image',
		'gif'  => 'image',
		'png'  => 'image',
		'svg'  => 'image',
		'svgz' => 'image',
		'woff' => 'font',
		//'woff2' => 'font',
		'css'  => 'style',
		'js'   => 'script',
		'html' => 'document'
	];
	/**
	 * @var array
	 */
	protected $core_html;
	/**
	 * @var array
	 */
	protected $core_js;
	/**
	 * @var array
	 */
	protected $core_css;
	/**
	 * @var string
	 */
	protected $core_config;
	/**
	 * @var array
	 */
	protected $html;
	/**
	 * @var array
	 */
	protected $js;
	/**
	 * @var array
	 */
	protected $css;
	/**
	 * @var string
	 */
	protected $config;
	protected function init_assets () {
		$this->core_html   = [];
		$this->core_js     = [];
		$this->core_css    = [];
		$this->core_config = '';
		$this->html        = [];
		$this->js          = [];
		$this->css         = [];
		$this->config      = '';
	}
	/**
	 * @param string|string[] $add
	 *
	 * @return \cs\Page

	 */
	protected function core_html ($add) {
		return $this->include_common('html', $add, true);
	}
	/**
	 * @param string|string[] $add
	 *
	 * @return \cs\Page

	 */
	protected function core_js ($add) {
		return $this->include_common('js', $add, true);
	}
	/**
	 * @param string|string[] $add
	 *
	 * @return \cs\Page

	 */
	protected function core_css ($add) {
		return $this->include_common('css', $add, true);
	}
	/**
	 * Including of Web Components
	 *
	 * @param string|string[] $add Path to including file, or code
	 *
	 * @return \cs\Page

	 */
	public function html ($add) {
		return $this->include_common('html', $add, false);
	}
	/**
	 * Including of JavaScript
	 *
	 * @param string|string[] $add Path to including file, or code
	 *
	 * @return \cs\Page

	 */
	public function js ($add) {
		return $this->include_common('js', $add, false);
	}
	/**
	 * Including of CSS
	 *
	 * @param string|string[] $add Path to including file, or code
	 *
	 * @return \cs\Page

	 */
	public function css ($add) {
		return $this->include_common('css', $add, false);
	}
	/**
	 * @param string          $what
	 * @param string|string[] $add
	 * @param bool            $core
	 *
	 * @return \cs\Page

	 */
	protected function include_common ($what, $add, $core) {
		if (!$add) {
			return $this;
		}
		if (is_array($add)) {
			foreach (array_filter($add) as $a) {
				$this->include_common($what, $a, $core);
			}
		} else {
			if ($core) {
				$what = "core_$what";
			}
			$target   = &$this->$what;
			$target[] = $add;
		}
		return $this;
	}
	/**
	 * Add config on page to make it available on frontend
	 *
	 * @param mixed  $config_structure        Any scalar type or array
	 * @param string $target                  Target is property of `window` object where config will be inserted as value, nested properties like `cs.sub.prop`
	 *                                        are supported and all nested properties are created on demand. It is recommended to use sub-properties of `cs`
	 *
	 * @return \cs\Page

	 */
	public function config ($config_structure, $target) {
		return $this->config_internal($config_structure, $target);
	}
	/**
	 * @param mixed  $config_structure
	 * @param string $target
	 * @param bool   $core
	 *
	 * @return \cs\Page

	 */
	protected function config_internal ($config_structure, $target, $core = false) {
		$config = h::script(
			json_encode($config_structure, JSON_UNESCAPED_UNICODE),
			[
				'target' => $target,
				'class'  => 'cs-config',
				'type'   => 'application/json'
			]
		);
		if ($core) {
			$this->core_config .= $config;
		} else {
			$this->config .= $config;
		}
		return $this;
	}
	/**
	 * Getting of HTML, JS and CSS assets
	 *
	 * @return \cs\Page

	 */
	protected function add_assets_on_page () {
		$Config = Config::instance(true);
		if (!$Config) {
			return $this;
		}
		// TODO: I hope some day we'll get rid of this sh*t :(
		$this->edge();
		$Request = Request::instance();
		/**
		 * If CSS and JavaScript compression enabled
		 */
		$L = Language::instance();
		if ($this->page_compression_usage($Config, $Request)) {
			/**
			 * Rebuilding HTML, JS and CSS cache if necessary
			 */
			(new Cache)->rebuild($Config, $L, $this->theme);
			$this->webcomponents_polyfill($Request, $Config, true);
			$languages_hash = md5(implode('', $Config->core['active_languages']));
			$language_hash  = file_get_json(PUBLIC_CACHE."/languages-$languages_hash.json")[$L->clanguage];
			$this->config_internal(
				[
					'language' => $L->clanguage,
					'hash'     => $language_hash
				],
				'cs.current_language',
				true
			);
			list($assets, $preload) = $this->get_assets_and_preload_resource_for_page_with_compression($Request);
		} else {
			$this->webcomponents_polyfill($Request, $Config, false);
			/**
			 * Language translation is added explicitly only when compression is disabled, otherwise it will be in compressed JS file
			 */
			$this->config_internal($L, 'cs.Language', true);
			$this->config_internal(RequireJS::get_config(), 'requirejs', true);
			$assets  = $this->get_assets_for_page_without_compression($Config, $Request);
			$preload = [];
		}
		$this->core_css($assets['css']);
		$this->core_js($assets['js']);
		if (isset($assets['html'])) {
			$this->core_html($assets['html']);
		}
		$this->add_assets_on_page_manually_added($Config, $Request, $preload);
		return $this;
	}
	/**
	 * @param Config  $Config
	 * @param Request $Request
	 *
	 * @return bool
	 */
	protected function page_compression_usage ($Config, $Request) {
		return $Config->core['cache_compress_js_css'] && !($Request->admin_path && isset($Request->query['debug']));
	}
	/**
	 * Add JS polyfills for IE/Edge
	 */
	protected function edge () {
		if (strpos(Request::instance()->header('user-agent'), 'Edge') === false) {
			return;
		}
		$this->core_js(
			get_files_list(DIR.'/assets/js/microsoft_sh*t', '/.*\.js$/i', 'f', 'assets/js/microsoft_sh*t', true)
		);
	}
	/**
	 * Hack: Add WebComponents Polyfill for browsers without native Shadow DOM support
	 *
	 * @param Request $Request
	 * @param Config  $Config
	 * @param bool    $with_compression
	 */
	protected function webcomponents_polyfill ($Request, $Config, $with_compression) {
		if (($this->theme != Config::SYSTEM_THEME && $Config->core['disable_webcomponents']) || $Request->cookie('shadow_dom') == 1) {
			return;
		}
		if ($with_compression) {
			$hash = file_get_contents(PUBLIC_CACHE.'/webcomponents.js.hash');
			$this->add_script_imports_to_document($Config, "<script src=\"/storage/public_cache/$hash.js\"></script>\n");
		} else {
			$this->add_script_imports_to_document($Config, "<script src=\"/assets/js/WebComponents-polyfill/webcomponents-custom.min.js\"></script>\n");
		}
	}
	/**
	 * @param Config $Config
	 * @param string $content
	 */
	protected function add_script_imports_to_document ($Config, $content) {
		if ($Config->core['put_js_after_body']) {
			$this->post_Body .= $content;
		} else {
			$this->Head .= $content;
		}
	}
	/**
	 * @param Request $Request
	 *
	 * @return array[]
	 */
	protected function get_assets_and_preload_resource_for_page_with_compression ($Request) {
		list($dependencies, $compressed_assets_map, $not_embedded_resources_map) = file_get_json(PUBLIC_CACHE."/$this->theme.json");
		$assets  = $this->get_normalized_assets($dependencies, $compressed_assets_map, $Request);
		$preload = [];
		foreach (array_merge(...array_values($assets)) as $path) {
			$preload[] = [$path];
			if (isset($not_embedded_resources_map[$path])) {
				$preload[] = $not_embedded_resources_map[$path];
			}
		}
		return [$assets, array_merge(...$preload)];
	}
	/**
	 * @param array      $dependencies
	 * @param string[][] $assets_map
	 * @param Request    $Request
	 *
	 * @return string[][]
	 */
	protected function get_normalized_assets ($dependencies, $assets_map, $Request) {
		$current_module = $Request->current_module;
		/**
		 * Current URL based on controller path (it better represents how page was rendered)
		 */
		$current_url = array_slice(App::instance()->controller_path, 1);
		$current_url = ($Request->admin_path ? 'admin/' : '')."$current_module/".implode('/', $current_url);
		/**
		 * Narrow the dependencies to current module only
		 */
		$dependencies  = array_unique(
			array_merge(
				['System'],
				$dependencies['System'],
				isset($dependencies[$current_module]) ? $dependencies[$current_module] : []
			)
		);
		$system_assets = [];
		// Array with empty array in order to avoid `array_merge()` failure later
		$dependencies_assets = array_fill_keys($dependencies, [[]]);
		$assets              = [];
		foreach ($assets_map as $path => $local_assets) {
			if ($path == 'System') {
				$system_assets = $local_assets;
			} elseif ($component = $this->get_dependency_component($dependencies, $path, $Request)) {
				/**
				 * @var string $component
				 */
				$dependencies_assets[$component][] = $local_assets;
			} elseif (mb_strpos($current_url, $path) === 0) {
				$assets[] = $local_assets;
			}
		}
		// Convert to indexed array first
		$dependencies_assets = array_values($dependencies_assets);
		// Flatten array on higher level
		$dependencies_assets = array_merge(...$dependencies_assets);
		// Hack: 2 array_merge_recursive() just to be compatible with HHVM, simplify when https://github.com/facebook/hhvm/issues/7087 is resolved
		return _array(array_merge_recursive(array_merge_recursive($system_assets, ...$dependencies_assets), ...$assets));
	}
	/**
	 * @param array   $dependencies
	 * @param string  $url
	 * @param Request $Request
	 *
	 * @return false|string
	 */
	protected function get_dependency_component ($dependencies, $url, $Request) {
		$url_exploded = explode('/', $url);
		/** @noinspection NestedTernaryOperatorInspection */
		$url_component = $url_exploded[0] != 'admin' ? $url_exploded[0] : (@$url_exploded[1] ?: '');
		$is_dependency =
			$url_component !== Config::SYSTEM_MODULE &&
			in_array($url_component, $dependencies) &&
			(
				$Request->admin_path || $Request->admin_path == ($url_exploded[0] == 'admin')
			);
		return $is_dependency ? $url_component : false;
	}
	/**
	 * @param Config  $Config
	 * @param Request $Request
	 *
	 * @return string[][]
	 */
	protected function get_assets_for_page_without_compression ($Config, $Request) {
		// To determine all dependencies and stuff we need `$Config` object to be already created
		list($dependencies, $assets_map) = Collecting::get_assets_dependencies_and_map($Config, $this->theme);
		$assets = $this->get_normalized_assets($dependencies, $assets_map, $Request);
		return $this->add_versions_hash(_substr($assets, strlen(DIR)));
	}
	/**
	 * @param string[][] $assets
	 *
	 * @return string[][]
	 */
	protected function add_versions_hash ($assets) {
		$content      = array_reduce(
			get_files_list(DIR.'/components', '/^meta\.json$/', 'f', true, true),
			function ($content, $file) {
				return $content.file_get_contents($file);
			}
		);
		$content_hash = substr(md5($content), 0, 5);
		foreach ($assets as &$files) {
			foreach ($files as &$file) {
				$file .= "?$content_hash";
			}
			unset($file);
		}
		return $assets;
	}
	/**
	 * @param Config   $Config
	 * @param Request  $Request
	 * @param string[] $preload
	 */
	protected function add_assets_on_page_manually_added ($Config, $Request, $preload) {
		/** @noinspection NestedTernaryOperatorInspection */
		$this->Head .= array_reduce(
			array_merge($this->core_css, $this->css),
			function ($content, $href) {
				return "$content<link href=\"$href\" rel=\"stylesheet\">\n";
			}
		);
		if ($this->page_compression_usage($Config, $Request) && $Config->core['frontend_load_optimization']) {
			$this->add_assets_on_page_manually_added_frontend_load_optimization($Config, $Request);
		} else {
			$this->add_assets_on_page_manually_added_normal($Config, $Request, $preload);
		}
	}
	/**
	 * @param Config   $Config
	 * @param Request  $Request
	 * @param string[] $preload
	 */
	protected function add_assets_on_page_manually_added_normal ($Config, $Request, $preload) {
		$this->add_preload($preload, $Request);
		$configs      = $this->core_config.$this->config;
		$scripts      = array_reduce(
			array_merge($this->core_js, $this->js),
			function ($content, $src) {
				return "$content<script src=\"$src\"></script>\n";
			}
		);
		$html_imports = array_reduce(
			array_merge($this->core_html, $this->html),
			function ($content, $href) {
				return "$content<link href=\"$href\" rel=\"import\">\n";
			}
		);
		$this->Head .= $configs;
		$this->add_script_imports_to_document($Config, $scripts.$html_imports);
	}
	/**
	 * @param string[] $preload
	 * @param Request  $Request
	 */
	protected function add_preload ($preload, $Request) {
		if ($Request->cookie('pushed')) {
			return;
		}
		$Response = Response::instance();
		$Response->cookie('pushed', 1, 0, true);
		foreach (array_unique($preload) as $resource) {
			$extension = explode('?', file_extension($resource))[0];
			$as        = $this->extension_to_as[$extension];
			$resource  = str_replace(' ', '%20', $resource);
			$Response->header('Link', "<$resource>; rel=preload; as=$as", false);
		}
	}
	/**
	 * @param Config  $Config
	 * @param Request $Request
	 */
	protected function add_assets_on_page_manually_added_frontend_load_optimization ($Config, $Request) {
		list($optimized_assets, $preload) = file_get_json(PUBLIC_CACHE."/$this->theme.optimized.json");
		$this->add_preload(
			array_merge($preload, $this->core_css, $this->css),
			$Request
		);
		$optimized_assets  = array_flip($optimized_assets);
		$system_scripts    = '';
		$optimized_scripts = [];
		$system_imports    = '';
		$optimized_imports = [];
		foreach (array_merge($this->core_js, $this->js) as $script) {
			if (isset($optimized_assets[$script])) {
				$optimized_scripts[] = $script;
			} else {
				$system_scripts .= "<script src=\"$script\"></script>\n";
			}
		}
		foreach (array_merge($this->core_html, $this->html) as $import) {
			if (isset($optimized_assets[$import])) {
				$optimized_imports[] = $import;
			} else {
				$system_imports .= "<link href=\"$import\" rel=\"import\">\n";
			}
		}
		$this->config([$optimized_scripts, $optimized_imports], 'cs.optimized_assets');
		$this->Head .= $this->core_config.$this->config;
		$this->add_script_imports_to_document($Config, $system_scripts.$system_imports);
	}
}


1		<?php
2		/**
3		* @package CleverStyle Framework
4		* @author Nazar Mokrynskyi <[email protected]>
5		* @copyright Copyright (c) 2014-2016, Nazar Mokrynskyi
6		* @license MIT License, see license.txt
7		*/
8		namespace cs\Page;
9		use
10		cs\App,
11		cs\Config,
12		cs\Language,
13		cs\Request,
14		cs\Response,
15		h,
16		cs\Page\Assets\Cache,
17		cs\Page\Assets\Collecting,
18		cs\Page\Assets\RequireJS;
19
20		/**
21		* Assets management for `cs\Page` class
22		*
23		* @property string $Title
24		* @property string $Description
25		* @property string $canonical_url
26		* @property string $Head
27		* @property string $post_Body
28		* @property string $theme
29		*/
30		trait Assets {
31		protected $extension_to_as = [
32		'jpeg' => 'image',
33		'jpe' => 'image',
34		'jpg' => 'image',
35		'gif' => 'image',
36		'png' => 'image',
37		'svg' => 'image',
38		'svgz' => 'image',
39		'woff' => 'font',
40		//'woff2' => 'font',
41		'css' => 'style',
42		'js' => 'script',
43		'html' => 'document'
44		];
45		/**
46		* @var array
47		*/
48		protected $core_html;
49		/**
50		* @var array
51		*/
52		protected $core_js;
53		/**
54		* @var array
55		*/
56		protected $core_css;
57		/**
58		* @var string
59		*/
60		protected $core_config;
61		/**
62		* @var array
63		*/
64		protected $html;
65		/**
66		* @var array
67		*/
68		protected $js;
69		/**
70		* @var array
71		*/
72		protected $css;
73		/**
74		* @var string
75		*/
76		protected $config;
77	34	protected function init_assets () {
78	34	$this->core_html = [];
79	34	$this->core_js = [];
80	34	$this->core_css = [];
81	34	$this->core_config = '';
82	34	$this->html = [];
83	34	$this->js = [];
84	34	$this->css = [];
85	34	$this->config = '';
86	34	}
87		/**
88		* @param string\|string[] $add
89		*
90		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
91		*/
92	4	protected function core_html ($add) {
93	4	return $this->include_common('html', $add, true);
94		}
95		/**
96		* @param string\|string[] $add
97		*
98		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
99		*/
100	4	protected function core_js ($add) {
101	4	return $this->include_common('js', $add, true);
102		}
103		/**
104		* @param string\|string[] $add
105		*
106		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
107		*/
108	4	protected function core_css ($add) {
109	4	return $this->include_common('css', $add, true);
110		}
111		/**
112		* Including of Web Components
113		*
114		* @param string\|string[] $add Path to including file, or code
115		*
116		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
117		*/
118	2	public function html ($add) {
119	2	return $this->include_common('html', $add, false);
120		}
121		/**
122		* Including of JavaScript
123		*
124		* @param string\|string[] $add Path to including file, or code
125		*
126		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
127		*/
128	2	public function js ($add) {
129	2	return $this->include_common('js', $add, false);
130		}
131		/**
132		* Including of CSS
133		*
134		* @param string\|string[] $add Path to including file, or code
135		*
136		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
137		*/
138	2	public function css ($add) {
139	2	return $this->include_common('css', $add, false);
140		}
141		/**
142		* @param string $what
143		* @param string\|string[] $add
144		* @param bool $core
145		*
146		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
147		*/
148	4	protected function include_common ($what, $add, $core) {
149	4	if (!$add) {
150	2	return $this;
151		}
152	4	if (is_array($add)) {
153	4	foreach (array_filter($add) as $a) {
154	4	$this->include_common($what, $a, $core);
155		}
156		} else {
157	4	if ($core) {
158	4	$what = "core_$what";
159		}
160	4	$target = &$this->$what;
161	4	$target[] = $add;
162		}
163	4	return $this;
164		}
165		/**
166		* Add config on page to make it available on frontend
167		*
168		* @param mixed $config_structure Any scalar type or array
169		* @param string $target Target is property of `window` object where config will be inserted as value, nested properties like `cs.sub.prop`
170		* are supported and all nested properties are created on demand. It is recommended to use sub-properties of `cs`
171		*
172		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
173		*/
174	4	public function config ($config_structure, $target) {
175	4	return $this->config_internal($config_structure, $target);
176		}
177		/**
178		* @param mixed $config_structure
179		* @param string $target
180		* @param bool $core
181		*
182		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
183		*/
184	4	protected function config_internal ($config_structure, $target, $core = false) {
185	4	$config = h::script(
186	4	json_encode($config_structure, JSON_UNESCAPED_UNICODE),
187		[
188	4	'target' => $target,
189	4	'class' => 'cs-config',
190	4	'type' => 'application/json'
191		]
192		);
193	4	if ($core) {
194	4	$this->core_config .= $config;
195		} else {
196	4	$this->config .= $config;
197		}
198	4	return $this;
199		}
200		/**
201		* Getting of HTML, JS and CSS assets
202		*
203		* @return \cs\Page
		0 ignored issues – show Documentation introduced 2016-10-02 18:15 UTC by Report Bug Copy Issue Report Should the return type not be `Assets`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
204		*/
205	4	protected function add_assets_on_page () {
206	4	$Config = Config::instance(true);
207	4	if (!$Config) {
208	2	return $this;
209		}
210		// TODO: I hope some day we'll get rid of this sh*t :(
211	4	$this->edge();
212	4	$Request = Request::instance();
213		/**
214		* If CSS and JavaScript compression enabled
215		*/
216	4	$L = Language::instance();
217	4	if ($this->page_compression_usage($Config, $Request)) {
218		/**
219		* Rebuilding HTML, JS and CSS cache if necessary
220		*/
221	4	(new Cache)->rebuild($Config, $L, $this->theme);
222	4	$this->webcomponents_polyfill($Request, $Config, true);
223	4	$languages_hash = md5(implode('', $Config->core['active_languages']));
224	4	$language_hash = file_get_json(PUBLIC_CACHE."/languages-$languages_hash.json")[$L->clanguage];
225	4	$this->config_internal(
226		[
227	4	'language' => $L->clanguage,
228	4	'hash' => $language_hash
229		],
230	4	'cs.current_language',
231	4	true
232		);
233	4	list($assets, $preload) = $this->get_assets_and_preload_resource_for_page_with_compression($Request);
234		} else {
235	2	$this->webcomponents_polyfill($Request, $Config, false);
236		/**
237		* Language translation is added explicitly only when compression is disabled, otherwise it will be in compressed JS file
238		*/
239	2	$this->config_internal($L, 'cs.Language', true);
240	2	$this->config_internal(RequireJS::get_config(), 'requirejs', true);
241	2	$assets = $this->get_assets_for_page_without_compression($Config, $Request);
242	2	$preload = [];
243		}
244	4	$this->core_css($assets['css']);
245	4	$this->core_js($assets['js']);
246	4	if (isset($assets['html'])) {
247	4	$this->core_html($assets['html']);
248		}
249	4	$this->add_assets_on_page_manually_added($Config, $Request, $preload);
250	4	return $this;
251		}
252		/**
253		* @param Config $Config
254		* @param Request $Request
255		*
256		* @return bool
257		*/
258	4	protected function page_compression_usage ($Config, $Request) {
259	4	return $Config->core['cache_compress_js_css'] && !($Request->admin_path && isset($Request->query['debug']));
260		}
261		/**
262		* Add JS polyfills for IE/Edge
263		*/
264	4	protected function edge () {
265	4	if (strpos(Request::instance()->header('user-agent'), 'Edge') === false) {
266	4	return;
267		}
268	2	$this->core_js(
269	2	get_files_list(DIR.'/assets/js/microsoft_sht', '/.\.js$/i', 'f', 'assets/js/microsoft_sh*t', true)
270		);
271	2	}
272		/**
273		* Hack: Add WebComponents Polyfill for browsers without native Shadow DOM support
274		*
275		* @param Request $Request
276		* @param Config $Config
277		* @param bool $with_compression
278		*/
279	4	protected function webcomponents_polyfill ($Request, $Config, $with_compression) {
280	4	if (($this->theme != Config::SYSTEM_THEME && $Config->core['disable_webcomponents']) \|\| $Request->cookie('shadow_dom') == 1) {
281	2	return;
282		}
283	4	if ($with_compression) {
284	4	$hash = file_get_contents(PUBLIC_CACHE.'/webcomponents.js.hash');
285	4	$this->add_script_imports_to_document($Config, "<script src=\"/storage/public_cache/$hash.js\"></script>\n");
286		} else {
287	2	$this->add_script_imports_to_document($Config, "<script src=\"/assets/js/WebComponents-polyfill/webcomponents-custom.min.js\"></script>\n");
288		}
289	4	}
290		/**
291		* @param Config $Config
292		* @param string $content
293		*/
294	4	protected function add_script_imports_to_document ($Config, $content) {
295	4	if ($Config->core['put_js_after_body']) {
296	4	$this->post_Body .= $content;
297		} else {
298	2	$this->Head .= $content;
299		}
300	4	}
301		/**
302		* @param Request $Request
303		*
304		* @return array[]
305		*/
306	4	protected function get_assets_and_preload_resource_for_page_with_compression ($Request) {
307	4	list($dependencies, $compressed_assets_map, $not_embedded_resources_map) = file_get_json(PUBLIC_CACHE."/$this->theme.json");
308	4	$assets = $this->get_normalized_assets($dependencies, $compressed_assets_map, $Request);
309	4	$preload = [];
310	4	foreach (array_merge(...array_values($assets)) as $path) {
311	4	$preload[] = [$path];
312	4	if (isset($not_embedded_resources_map[$path])) {
313	4	$preload[] = $not_embedded_resources_map[$path];
314		}
315		}
316	4	return [$assets, array_merge(...$preload)];
317		}
318		/**
319		* @param array $dependencies
320		* @param string[][] $assets_map
321		* @param Request $Request
322		*
323		* @return string[][]
324		*/
325	4	protected function get_normalized_assets ($dependencies, $assets_map, $Request) {
326	4	$current_module = $Request->current_module;
327		/**
328		* Current URL based on controller path (it better represents how page was rendered)
329		*/
330	4	$current_url = array_slice(App::instance()->controller_path, 1);
331	4	$current_url = ($Request->admin_path ? 'admin/' : '')."$current_module/".implode('/', $current_url);
332		/**
333		* Narrow the dependencies to current module only
334		*/
335	4	$dependencies = array_unique(
336		array_merge(
337	4	['System'],
338	4	$dependencies['System'],
339	4	isset($dependencies[$current_module]) ? $dependencies[$current_module] : []
340		)
341		);
342	4	$system_assets = [];
343		// Array with empty array in order to avoid `array_merge()` failure later
344	4	$dependencies_assets = array_fill_keys($dependencies, [[]]);
345	4	$assets = [];
346	4	foreach ($assets_map as $path => $local_assets) {
347	4	if ($path == 'System') {
348	4	$system_assets = $local_assets;
349	4	} elseif ($component = $this->get_dependency_component($dependencies, $path, $Request)) {
350		/**
351		* @var string $component
352		*/
353	2	$dependencies_assets[$component][] = $local_assets;
354	4	} elseif (mb_strpos($current_url, $path) === 0) {
355	4	$assets[] = $local_assets;
356		}
357		}
358		// Convert to indexed array first
359	4	$dependencies_assets = array_values($dependencies_assets);
360		// Flatten array on higher level
361	4	$dependencies_assets = array_merge(...$dependencies_assets);
362		// Hack: 2 array_merge_recursive() just to be compatible with HHVM, simplify when https://github.com/facebook/hhvm/issues/7087 is resolved
363	4	return _array(array_merge_recursive(array_merge_recursive($system_assets, ...$dependencies_assets), ...$assets));
364		}
365		/**
366		* @param array $dependencies
367		* @param string $url
368		* @param Request $Request
369		*
370		* @return false\|string
371		*/
372	4	protected function get_dependency_component ($dependencies, $url, $Request) {
373	4	$url_exploded = explode('/', $url);
374		/** @noinspection NestedTernaryOperatorInspection */
375	4	$url_component = $url_exploded[0] != 'admin' ? $url_exploded[0] : (@$url_exploded[1] ?: '');
376		$is_dependency =
377	4	$url_component !== Config::SYSTEM_MODULE &&
378	4	in_array($url_component, $dependencies) &&
379		(
380	4	$Request->admin_path \|\| $Request->admin_path == ($url_exploded[0] == 'admin')
381		);
382	4	return $is_dependency ? $url_component : false;
383		}
384		/**
385		* @param Config $Config
386		* @param Request $Request
387		*
388		* @return string[][]
389		*/
390	2	protected function get_assets_for_page_without_compression ($Config, $Request) {
391		// To determine all dependencies and stuff we need `$Config` object to be already created
392	2	list($dependencies, $assets_map) = Collecting::get_assets_dependencies_and_map($Config, $this->theme);
393	2	$assets = $this->get_normalized_assets($dependencies, $assets_map, $Request);
394	2	return $this->add_versions_hash(_substr($assets, strlen(DIR)));
395		}
396		/**
397		* @param string[][] $assets
398		*
399		* @return string[][]
400		*/
401	2	protected function add_versions_hash ($assets) {
402	2	$content = array_reduce(
403	2	get_files_list(DIR.'/components', '/^meta\.json$/', 'f', true, true),
404		function ($content, $file) {
405		return $content.file_get_contents($file);
406	2	}
407		);
408	2	$content_hash = substr(md5($content), 0, 5);
409	2	foreach ($assets as &$files) {
410	2	foreach ($files as &$file) {
411	2	$file .= "?$content_hash";
412		}
413	2	unset($file);
414		}
415	2	return $assets;
416		}
417		/**
418		* @param Config $Config
419		* @param Request $Request
420		* @param string[] $preload
421		*/
422	4	protected function add_assets_on_page_manually_added ($Config, $Request, $preload) {
423		/** @noinspection NestedTernaryOperatorInspection */
424	4	$this->Head .= array_reduce(
425	4	array_merge($this->core_css, $this->css),
426		function ($content, $href) {
427	4	return "$content<link href=\"$href\" rel=\"stylesheet\">\n";
428	4	}
429		);
430	4	if ($this->page_compression_usage($Config, $Request) && $Config->core['frontend_load_optimization']) {
431	4	$this->add_assets_on_page_manually_added_frontend_load_optimization($Config, $Request);
432		} else {
433	2	$this->add_assets_on_page_manually_added_normal($Config, $Request, $preload);
434		}
435	4	}
436		/**
437		* @param Config $Config
438		* @param Request $Request
439		* @param string[] $preload
440		*/
441	2	protected function add_assets_on_page_manually_added_normal ($Config, $Request, $preload) {
442	2	$this->add_preload($preload, $Request);
443	2	$configs = $this->core_config.$this->config;
444	2	$scripts = array_reduce(
445	2	array_merge($this->core_js, $this->js),
446		function ($content, $src) {
447	2	return "$content<script src=\"$src\"></script>\n";
448	2	}
449		);
450	2	$html_imports = array_reduce(
451	2	array_merge($this->core_html, $this->html),
452	2	function ($content, $href) {
453	2	return "$content<link href=\"$href\" rel=\"import\">\n";
454	2	}
455		);
456	2	$this->Head .= $configs;
457	2	$this->add_script_imports_to_document($Config, $scripts.$html_imports);
458	2	}
459		/**
460		* @param string[] $preload
461		* @param Request $Request
462		*/
463	4	protected function add_preload ($preload, $Request) {
464	4	if ($Request->cookie('pushed')) {
465	2	return;
466		}
467	4	$Response = Response::instance();
468	4	$Response->cookie('pushed', 1, 0, true);
469	4	foreach (array_unique($preload) as $resource) {
470	4	$extension = explode('?', file_extension($resource))[0];
471	4	$as = $this->extension_to_as[$extension];
472	4	$resource = str_replace(' ', '%20', $resource);
473	4	$Response->header('Link', "<$resource>; rel=preload; as=$as", false);
474		}
475	4	}
476		/**
477		* @param Config $Config
478		* @param Request $Request
479		*/
480	4	protected function add_assets_on_page_manually_added_frontend_load_optimization ($Config, $Request) {
481	4	list($optimized_assets, $preload) = file_get_json(PUBLIC_CACHE."/$this->theme.optimized.json");
482	4	$this->add_preload(
483	4	array_merge($preload, $this->core_css, $this->css),
484		$Request
485		);
486	4	$optimized_assets = array_flip($optimized_assets);
487	4	$system_scripts = '';
488	4	$optimized_scripts = [];
489	4	$system_imports = '';
490	4	$optimized_imports = [];
491	4	foreach (array_merge($this->core_js, $this->js) as $script) {
492	4	if (isset($optimized_assets[$script])) {
493	2	$optimized_scripts[] = $script;
494		} else {
495	4	$system_scripts .= "<script src=\"$script\"></script>\n";
496		}
497		}
498	4	foreach (array_merge($this->core_html, $this->html) as $import) {
499	4	if (isset($optimized_assets[$import])) {
500	2	$optimized_imports[] = $import;
501		} else {
502	4	$system_imports .= "<link href=\"$import\" rel=\"import\">\n";
503		}
504		}
505	4	$this->config([$optimized_scripts, $optimized_imports], 'cs.optimized_assets');
506	4	$this->Head .= $this->core_config.$this->config;
507	4	$this->add_script_imports_to_document($Config, $system_scripts.$system_imports);
508	4	}
509		}
510

nazar-pc / CleverStyle-Framework

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