nystudio107 /
craft-transcoder
| Total Complexity | 52 |
| Total Lines | 458 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Manifest often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Manifest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 27 | class Manifest |
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| 28 | { |
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| 29 | // Constants |
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| 30 | // ========================================================================= |
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| 31 | |||
| 32 | const CACHE_KEY = 'twigpack-transcoder'; |
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| 33 | const CACHE_TAG = 'twigpack-transcoder'; |
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| 34 | |||
| 35 | const DEVMODE_CACHE_DURATION = 1; |
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| 36 | |||
| 37 | // Protected Static Properties |
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| 38 | // ========================================================================= |
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| 39 | |||
| 40 | /** |
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| 41 | * @var array |
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| 42 | */ |
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| 43 | protected static $files; |
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| 44 | |||
| 45 | /** |
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| 46 | * @var bool |
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| 47 | */ |
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| 48 | protected static $isHot = false; |
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| 49 | |||
| 50 | // Public Static Methods |
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| 51 | // ========================================================================= |
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| 52 | |||
| 53 | /** |
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| 54 | * @param array $config |
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| 55 | * @param string $moduleName |
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| 56 | * @param bool $async |
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| 57 | * |
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| 58 | * @return string |
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| 59 | * @throws NotFoundHttpException |
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| 60 | */ |
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| 61 | public static function getCssModuleTags(array $config, string $moduleName, bool $async): string |
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| 62 | { |
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| 63 | $legacyModule = self::getModule($config, $moduleName, 'legacy', true); |
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| 64 | if ($legacyModule === null) { |
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| 65 | return ''; |
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| 66 | } |
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| 67 | $lines = []; |
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| 68 | if ($async) { |
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| 69 | $lines[] = "<link rel=\"preload\" href=\"{$legacyModule}\" as=\"style\" onload=\"this.onload=null;this.rel='stylesheet'\" />"; |
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| 70 | $lines[] = "<noscript><link rel=\"stylesheet\" href=\"{$legacyModule}\"></noscript>"; |
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| 71 | } else { |
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| 72 | $lines[] = "<link rel=\"stylesheet\" href=\"{$legacyModule}\" />"; |
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| 73 | } |
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| 74 | |||
| 75 | return implode("\r\n", $lines); |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * @param string $path |
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| 80 | * |
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| 81 | * @return string |
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| 82 | */ |
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| 83 | public static function getCssInlineTags(string $path): string |
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| 84 | { |
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| 85 | $result = self::getFile($path); |
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| 86 | if ($result) { |
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| 87 | $result = "<style>\r\n".$result."</style>\r\n"; |
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| 88 | return $result; |
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| 89 | } |
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| 90 | |||
| 91 | return ''; |
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| 92 | } |
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| 93 | |||
| 94 | /** |
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| 95 | * Returns the uglified loadCSS rel=preload Polyfill as per: |
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| 96 | * https://github.com/filamentgroup/loadCSS#how-to-use-loadcss-recommended-example |
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| 97 | * |
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| 98 | * @return string |
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| 99 | */ |
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| 100 | public static function getCssRelPreloadPolyfill(): string |
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| 101 | { |
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| 102 | return <<<EOT |
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| 103 | <script> |
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| 104 | /*! loadCSS. [c]2017 Filament Group, Inc. MIT License */ |
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| 105 | !function(t){"use strict";t.loadCSS||(t.loadCSS=function(){});var e=loadCSS.relpreload={};if(e.support=function(){var e;try{e=t.document.createElement("link").relList.supports("preload")}catch(t){e=!1}return function(){return e}}(),e.bindMediaToggle=function(t){var e=t.media||"all";function a(){t.media=e}t.addEventListener?t.addEventListener("load",a):t.attachEvent&&t.attachEvent("onload",a),setTimeout(function(){t.rel="stylesheet",t.media="only x"}),setTimeout(a,3e3)},e.poly=function(){if(!e.support())for(var a=t.document.getElementsByTagName("link"),n=0;n<a.length;n++){var o=a[n];"preload"!==o.rel||"style"!==o.getAttribute("as")||o.getAttribute("data-loadcss")||(o.setAttribute("data-loadcss",!0),e.bindMediaToggle(o))}},!e.support()){e.poly();var a=t.setInterval(e.poly,500);t.addEventListener?t.addEventListener("load",function(){e.poly(),t.clearInterval(a)}):t.attachEvent&&t.attachEvent("onload",function(){e.poly(),t.clearInterval(a)})}"undefined"!=typeof exports?exports.loadCSS=loadCSS:t.loadCSS=loadCSS}("undefined"!=typeof global?global:this); |
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| 106 | </script> |
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| 107 | EOT; |
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| 108 | } |
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| 109 | |||
| 110 | /** |
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| 111 | * @param array $config |
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| 112 | * @param string $moduleName |
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| 113 | * @param bool $async |
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| 114 | * |
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| 115 | * @return null|string |
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| 116 | * @throws NotFoundHttpException |
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| 117 | */ |
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| 118 | public static function getJsModuleTags(array $config, string $moduleName, bool $async) |
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| 119 | { |
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| 120 | $legacyModule = self::getModule($config, $moduleName, 'legacy'); |
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| 121 | if ($legacyModule === null) { |
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| 122 | return ''; |
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| 123 | } |
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| 124 | if ($async) { |
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| 125 | $modernModule = self::getModule($config, $moduleName, 'modern'); |
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| 126 | if ($modernModule === null) { |
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| 127 | return ''; |
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| 128 | } |
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| 129 | } |
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| 130 | $lines = []; |
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| 131 | if ($async) { |
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| 132 | $lines[] = "<script type=\"module\" src=\"{$modernModule}\"></script>"; |
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| 133 | $lines[] = "<script nomodule src=\"{$legacyModule}\"></script>"; |
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| 134 | } else { |
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| 135 | $lines[] = "<script src=\"{$legacyModule}\"></script>"; |
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| 136 | } |
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| 137 | |||
| 138 | return implode("\r\n", $lines); |
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| 139 | } |
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| 140 | |||
| 141 | /** |
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| 142 | * Safari 10.1 supports modules, but does not support the `nomodule` |
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| 143 | * attribute - it will load <script nomodule> anyway. This snippet solve |
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| 144 | * this problem, but only for script tags that load external code, e.g.: |
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| 145 | * <script nomodule src="nomodule.js"></script> |
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| 146 | * |
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| 147 | * Again: this will **not* # prevent inline script, e.g.: |
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| 148 | * <script nomodule>alert('no modules');</script>. |
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| 149 | * |
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| 150 | * This workaround is possible because Safari supports the non-standard |
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| 151 | * 'beforeload' event. This allows us to trap the module and nomodule load. |
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| 152 | * |
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| 153 | * Note also that `nomodule` is supported in later versions of Safari - |
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| 154 | * it's just 10.1 that omits this attribute. |
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| 155 | * |
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| 156 | * c.f.: https://gist.github.com/samthor/64b114e4a4f539915a95b91ffd340acc |
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| 157 | * |
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| 158 | * @return string |
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| 159 | */ |
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| 160 | public static function getSafariNomoduleFix(): string |
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| 161 | { |
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| 162 | return <<<EOT |
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| 163 | <script> |
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| 164 | !function(){var e=document,t=e.createElement("script");if(!("noModule"in t)&&"onbeforeload"in t){var n=!1;e.addEventListener("beforeload",function(e){if(e.target===t)n=!0;else if(!e.target.hasAttribute("nomodule")||!n)return;e.preventDefault()},!0),t.type="module",t.src=".",e.head.appendChild(t),t.remove()}}(); |
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| 165 | </script> |
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| 166 | EOT; |
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| 167 | } |
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| 168 | |||
| 169 | /** |
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| 170 | * Return the URI to a module |
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| 171 | * |
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| 172 | * @param array $config |
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| 173 | * @param string $moduleName |
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| 174 | * @param string $type |
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| 175 | * @param bool $soft |
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| 176 | * |
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| 177 | * @return null|string |
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| 178 | * @throws NotFoundHttpException |
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| 179 | */ |
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| 180 | public static function getModule(array $config, string $moduleName, string $type = 'modern', bool $soft = false) |
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| 181 | { |
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| 182 | // Get the module entry |
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| 183 | $module = self::getModuleEntry($config, $moduleName, $type, $soft); |
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| 184 | if ($module !== null) { |
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| 185 | $prefix = self::$isHot |
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| 186 | ? $config['devServer']['publicPath'] |
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| 187 | : $config['server']['publicPath']; |
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| 188 | // If the module isn't a full URL, prefix it |
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| 189 | if (!UrlHelper::isAbsoluteUrl($module)) { |
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| 190 | $module = self::combinePaths($prefix, $module); |
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| 191 | } |
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| 192 | // Resolve any aliases |
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| 193 | $alias = Craft::getAlias($module, false); |
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| 194 | if ($alias) { |
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| 195 | $module = $alias; |
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| 196 | } |
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| 197 | // Make sure it's a full URL |
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| 198 | if (!UrlHelper::isAbsoluteUrl($module) && !is_file($module)) { |
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| 199 | try { |
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| 200 | $module = UrlHelper::siteUrl($module); |
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| 201 | } catch (Exception $e) { |
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| 202 | Craft::error($e->getMessage(), __METHOD__); |
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| 203 | } |
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| 204 | } |
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| 205 | } |
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| 206 | |||
| 207 | return $module; |
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| 208 | } |
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| 209 | |||
| 210 | /** |
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| 211 | * Return a module's raw entry from the manifest |
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| 212 | * |
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| 213 | * @param array $config |
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| 214 | * @param string $moduleName |
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| 215 | * @param string $type |
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| 216 | * @param bool $soft |
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| 217 | * |
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| 218 | * @return null|string |
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| 219 | * @throws NotFoundHttpException |
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| 220 | */ |
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| 221 | public static function getModuleEntry(array $config, string $moduleName, string $type = 'modern', bool $soft = false) |
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| 222 | { |
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| 223 | $module = null; |
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| 224 | // Get the manifest file |
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| 225 | $manifest = self::getManifestFile($config, $type); |
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| 226 | if ($manifest !== null) { |
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| 227 | // Make sure it exists in the manifest |
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| 228 | if (empty($manifest[$moduleName])) { |
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| 229 | self::reportError(Craft::t( |
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| 230 | 'transcoder', |
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| 231 | 'Module does not exist in the manifest: {moduleName}', |
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| 232 | ['moduleName' => $moduleName] |
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| 233 | ), $soft); |
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| 234 | |||
| 235 | return null; |
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| 236 | } |
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| 237 | $module = $manifest[$moduleName]; |
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| 238 | } |
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| 239 | |||
| 240 | return $module; |
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| 241 | } |
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| 242 | |||
| 243 | /** |
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| 244 | * Return a JSON-decoded manifest file |
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| 245 | * |
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| 246 | * @param array $config |
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| 247 | * @param string $type |
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| 248 | * |
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| 249 | * @return null|array |
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| 250 | * @throws NotFoundHttpException |
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| 251 | */ |
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| 252 | public static function getManifestFile(array $config, string $type = 'modern') |
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| 253 | { |
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| 254 | $manifest = null; |
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| 255 | // Determine whether we should use the devServer for HMR or not |
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| 256 | $devMode = Craft::$app->getConfig()->getGeneral()->devMode; |
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| 257 | self::$isHot = ($devMode && $config['useDevServer']); |
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| 258 | // Try to get the manifest |
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| 259 | while ($manifest === null) { |
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| 260 | $manifestPath = self::$isHot |
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| 261 | ? $config['devServer']['manifestPath'] |
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| 262 | : $config['server']['manifestPath']; |
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| 263 | // Normalize the path |
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| 264 | $path = self::combinePaths($manifestPath, $config['manifest'][$type]); |
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| 265 | $manifest = self::getJsonFile($path); |
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| 266 | // If the manifest isn't found, and it was hot, fall back on non-hot |
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| 267 | if ($manifest === null) { |
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| 268 | // We couldn't find a manifest; throw an error |
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| 269 | self::reportError(Craft::t( |
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| 270 | 'transcoder', |
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| 271 | 'Manifest file not found at: {manifestPath}', |
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| 272 | ['manifestPath' => $manifestPath] |
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| 273 | ), true); |
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| 274 | if (self::$isHot) { |
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| 275 | // Try again, but not with home module replacement |
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| 276 | self::$isHot = false; |
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| 277 | } else { |
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| 278 | // Give up and return null |
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| 279 | return null; |
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| 280 | } |
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| 281 | } |
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| 282 | } |
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| 283 | |||
| 284 | return $manifest; |
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| 285 | } |
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| 286 | |||
| 287 | /** |
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| 288 | * Returns the contents of a file from a URI path |
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| 289 | * |
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| 290 | * @param string $path |
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| 291 | * |
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| 292 | * @return string |
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| 293 | */ |
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| 294 | public static function getFile(string $path): string |
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| 295 | { |
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| 296 | return self::getFileFromUri($path, null) ?? ''; |
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| 297 | } |
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| 298 | |||
| 299 | /** |
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| 300 | * @param array $config |
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| 301 | * @param string $fileName |
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| 302 | * @param string $type |
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| 303 | * |
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| 304 | * @return string |
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| 305 | */ |
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| 306 | public static function getFileFromManifest(array $config, string $fileName, string $type = 'legacy'): string |
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| 307 | { |
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| 308 | try { |
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| 309 | $path = self::getModuleEntry($config, $fileName, $type, true); |
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| 310 | } catch (NotFoundHttpException $e) { |
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| 311 | Craft::error($e->getMessage(), __METHOD__); |
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| 312 | } |
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| 313 | if ($path !== null) { |
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| 314 | $path = self::combinePaths( |
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| 315 | $config['localFiles']['basePath'], |
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| 316 | $path |
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| 317 | ); |
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| 318 | |||
| 319 | return self::getFileFromUri($path, null) ?? ''; |
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| 320 | } |
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| 321 | |||
| 322 | return ''; |
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| 323 | } |
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| 324 | |||
| 325 | /** |
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| 326 | * Return the contents of a JSON file from a URI path |
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| 327 | * |
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| 328 | * @param string $path |
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| 329 | * |
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| 330 | * @return null|array |
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| 331 | */ |
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| 332 | protected static function getJsonFile(string $path) |
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| 333 | { |
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| 334 | return self::getFileFromUri($path, [self::class, 'jsonFileDecode']); |
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| 335 | } |
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| 336 | |||
| 337 | /** |
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| 338 | * Invalidate all of the manifest caches |
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| 339 | */ |
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| 340 | public static function invalidateCaches() |
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| 341 | { |
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| 342 | $cache = Craft::$app->getCache(); |
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| 343 | TagDependency::invalidate($cache, self::CACHE_TAG); |
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| 344 | Craft::info('All manifest caches cleared', __METHOD__); |
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| 345 | } |
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| 346 | |||
| 347 | // Protected Static Methods |
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| 348 | // ========================================================================= |
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| 349 | |||
| 350 | /** |
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| 351 | * Return the contents of a file from a URI path |
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| 352 | * |
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| 353 | * @param string $path |
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| 354 | * @param callable|null $callback |
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| 355 | * |
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| 356 | * @return null|mixed |
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| 357 | */ |
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| 358 | protected static function getFileFromUri(string $path, callable $callback = null) |
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| 359 | { |
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| 360 | // Resolve any aliases |
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| 361 | $alias = Craft::getAlias($path, false); |
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| 362 | if ($alias) { |
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| 363 | $path = $alias; |
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| 364 | } |
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| 365 | // Make sure it's a full URL |
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| 366 | if (!UrlHelper::isAbsoluteUrl($path) && !is_file($path)) { |
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| 367 | try { |
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| 368 | $path = UrlHelper::siteUrl($path); |
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| 369 | } catch (Exception $e) { |
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| 370 | Craft::error($e->getMessage(), __METHOD__); |
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| 371 | } |
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| 372 | } |
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| 373 | |||
| 374 | return self::getFileContents($path, $callback); |
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| 375 | } |
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| 376 | |||
| 377 | /** |
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| 378 | * Return the contents of a file from the passed in path |
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| 379 | * |
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| 380 | * @param string $path |
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| 381 | * @param callable $callback |
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| 382 | * |
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| 383 | * @return null|mixed |
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| 384 | */ |
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| 385 | protected static function getFileContents(string $path, callable $callback = null) |
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| 424 | } |
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| 425 | |||
| 426 | /** |
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| 427 | * Combined the passed in paths, whether file system or URL |
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| 428 | * |
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| 429 | * @param string ...$paths |
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| 430 | * |
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| 431 | * @return string |
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| 432 | */ |
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| 433 | protected static function combinePaths(string ...$paths): string |
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| 434 | { |
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| 435 | $last_key = \count($paths) - 1; |
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| 436 | array_walk($paths, function (&$val, $key) use ($last_key) { |
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| 437 | switch ($key) { |
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| 438 | case 0: |
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| 439 | $val = rtrim($val, '/ '); |
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| 440 | break; |
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| 441 | case $last_key: |
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| 442 | $val = ltrim($val, '/ '); |
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| 443 | break; |
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| 444 | default: |
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| 445 | $val = trim($val, '/ '); |
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| 446 | break; |
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| 447 | } |
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| 448 | }); |
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| 449 | |||
| 450 | $first = array_shift($paths); |
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| 451 | $last = array_pop($paths); |
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| 452 | $paths = array_filter($paths); |
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| 453 | array_unshift($paths, $first); |
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| 454 | $paths[] = $last; |
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| 455 | |||
| 456 | return implode('/', $paths); |
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| 457 | } |
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| 458 | |||
| 459 | /** |
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| 460 | * @param string $error |
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| 461 | * @param bool $soft |
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| 462 | * |
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| 463 | * @throws NotFoundHttpException |
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| 464 | */ |
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| 465 | protected static function reportError(string $error, $soft = false) |
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| 472 | } |
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| 473 | |||
| 474 | // Private Static Methods |
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| 475 | // ========================================================================= |
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| 476 | |||
| 477 | /** |
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| 478 | * @param $string |
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| 479 | * |
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| 480 | * @return mixed |
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| 481 | */ |
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| 482 | private static function jsonFileDecode($string) |
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| 485 | } |
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| 486 | } |
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| 487 |
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