Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
So funktioniert es
|
|
Auf das letzte Element klicken. Dies geht jeweils ein Schritt zurück |
Auf das Icon klicken, dies öffnet das Verzeichnis. Nochmal klicken schließt das Verzeichnis. |
|
|
(Beispiel Datei-Icons)
|
Auf das Icon klicken um den Quellcode anzuzeigen |
ClosureCompilerService.php
001 <?php
002
003 /**
004 * @package s9e\TextFormatter
005 * @copyright Copyright (c) 2010-2022 The s9e authors
006 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
007 */
008 namespace s9e\TextFormatter\Configurator\JavaScript\Minifiers;
009
010 use RuntimeException;
011 use s9e\TextFormatter\Configurator\JavaScript\OnlineMinifier;
012
013 class ClosureCompilerService extends OnlineMinifier
014 {
015 /**
016 * @var string Closure Compiler's compilation level
017 */
018 public $compilationLevel = 'ADVANCED_OPTIMIZATIONS';
019
020 /**
021 * @var bool Whether to exclude Closure Compiler's default externs
022 */
023 public $excludeDefaultExterns = true;
024
025 /**
026 * @var string Externs used for compilation
027 */
028 public $externs;
029
030 /**
031 * @var string Closure Compiler Service's URL
032 */
033 public $url = 'https://closure-compiler.appspot.com/compile';
034
035 /**
036 * Constructor
037 */
038 public function __construct()
039 {
040 parent::__construct();
041 $this->externs = file_get_contents(__DIR__ . '/../externs.service.js');
042 }
043
044 /**
045 * {@inheritdoc}
046 */
047 public function getCacheDifferentiator()
048 {
049 $key = [$this->compilationLevel, $this->excludeDefaultExterns];
050
051 if ($this->excludeDefaultExterns)
052 {
053 $key[] = $this->externs;
054 }
055
056 return $key;
057 }
058
059 /**
060 * Compile given JavaScript source via the Closure Compiler Service
061 *
062 * @param string $src JavaScript source
063 * @return string Compiled source
064 */
065 public function minify($src)
066 {
067 $body = $this->generateRequestBody($src);
068 $response = $this->query($body);
069 if ($response === false)
070 {
071 throw new RuntimeException('Could not contact the Closure Compiler service');
072 }
073
074 return $this->decodeResponse($response);
075 }
076
077 /**
078 * Decode the response returned by the Closure Compiler service
079 *
080 * @param string $response Response body
081 * @return string Minified code
082 */
083 protected function decodeResponse($response)
084 {
085 $response = json_decode($response, true);
086 if (is_null($response))
087 {
088 throw new RuntimeException('Closure Compiler service returned invalid JSON: ' . json_last_error_msg());
089 }
090
091 if (isset($response['serverErrors'][0]))
092 {
093 $error = $response['serverErrors'][0];
094
095 throw new RuntimeException('Server error ' . $error['code'] . ': ' . $error['error']);
096 }
097
098 if (isset($response['errors'][0]))
099 {
100 $error = $response['errors'][0];
101
102 throw new RuntimeException('Compilation error: ' . $error['error']);
103 }
104
105 return $response['compiledCode'];
106 }
107
108 /**
109 * Generate the request body for given code
110 *
111 * @param string $src JavaScript source
112 * @return string Compiled source
113 */
114 protected function generateRequestBody($src)
115 {
116 $params = [
117 'compilation_level' => $this->compilationLevel,
118 'js_code' => $src,
119 'output_format' => 'json',
120 'output_info' => 'compiled_code'
121 ];
122
123 // Add our custom externs if default externs are disabled
124 if ($this->excludeDefaultExterns && $this->compilationLevel === 'ADVANCED_OPTIMIZATIONS')
125 {
126 $params['exclude_default_externs'] = 'true';
127 $params['js_externs'] = $this->externs;
128 }
129
130 // Add dupe variables by hand
131 $body = http_build_query($params) . '&output_info=errors';
132
133 return $body;
134 }
135
136 /**
137 * Query the Closure Compiler service
138 *
139 * @param string $body Request body
140 * @return string|false Response body, or FALSE
141 */
142 protected function query($body)
143 {
144 return $this->httpClient->post(
145 $this->url,
146 ['headers' => ['Content-Type: application/x-www-form-urlencoded']],
147 $body
148 );
149 }
150 }