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<?php |
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namespace Flynt\Utils; |
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// TODO: add async & defer (see https://matthewhorne.me/defer-async-wordpress-scripts/); also add to cdn fallback |
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class Asset |
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{ |
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const DEFAULT_OPTIONS = [ |
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'dependencies' => [], |
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'version' => null, |
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'inFooter' => true, |
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'media' => 'all', |
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'cdn' => [] |
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]; |
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protected static $assetManifest; |
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protected static $loadFromCdn = false; |
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public static function requireUrl($asset) |
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{ |
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return self::get('url', $asset); |
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} |
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public static function requirePath($asset) |
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{ |
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return self::get('path', $asset); |
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} |
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public static function register($options) |
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{ |
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return self::add('register', $options); |
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} |
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public static function enqueue($options) |
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{ |
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return self::add('enqueue', $options); |
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} |
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protected static function get($returnType, $asset) |
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{ |
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$distPath = get_template_directory() . '/dist'; |
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if (!isset(self::$assetManifest)) { |
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$manifestPath = $distPath . '/rev-manifest.json'; |
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if (is_file($manifestPath)) { |
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self::$assetManifest = json_decode(file_get_contents($manifestPath), true); |
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} else { |
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self::$assetManifest = []; |
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} |
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} |
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if (array_key_exists($asset, self::$assetManifest)) { |
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$assetSuffix = self::$assetManifest[$asset]; |
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} else { |
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$assetSuffix = $asset; |
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} |
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if ('path' == $returnType) { |
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return $distPath . '/' . $assetSuffix; |
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} else if ('url' == $returnType) { |
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$distUrl = get_template_directory_uri() . '/dist'; |
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return $distUrl . '/' . $assetSuffix; |
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} |
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return false; |
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} |
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protected static function add($funcType, $options) |
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{ |
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$options = array_merge(self::DEFAULT_OPTIONS, $options); |
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if (!array_key_exists('name', $options)) { |
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trigger_error('Cannot add asset: Name not provided!', E_USER_WARNING); |
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return false; |
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} |
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if (!array_key_exists('path', $options)) { |
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trigger_error('Cannot add asset: Path not provided!', E_USER_WARNING); |
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return false; |
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} |
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$funcName = "wp_{$funcType}_{$options['type']}"; |
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$lastVar = $options['type'] === 'script' ? $options['inFooter'] : $options['media']; |
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// allow external urls |
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$path = $options['path']; |
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if (!(StringHelpers::startsWith('http://', $path)) |
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&& !(StringHelpers::startsWith('https://', $path)) |
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&& !(StringHelpers::startsWith('//', $path)) |
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) { |
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$path = Asset::requireUrl($path); |
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} |
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if ('script' === $options['type'] |
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&& true === self::$loadFromCdn |
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&& !empty($options['cdn']) |
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&& !empty($options['cdn']['check']) |
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&& !empty($options['cdn']['url']) |
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) { |
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// if the script isn't registered or enqueued yet |
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if (!wp_script_is($options['name'], 'registered') |
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&& !wp_script_is($options['name'], 'enqueued') |
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) { |
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$localPath = $path; |
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$path = $options['cdn']['url']; |
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} else { |
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// script already registered / enqueued |
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// get registered script and compare paths |
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$scriptPath = wp_scripts()->registered[$options['name']]->src; |
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// deregister script and set cdn options to re-register down below |
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if ($options['cdn']['url'] !== $scriptPath) { |
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wp_deregister_script($options['name']); |
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$localPath = $path; |
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$path = $options['cdn']['url']; |
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} |
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} |
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} |
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if (function_exists($funcName)) { |
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$funcName( |
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$options['name'], |
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$path, |
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$options['dependencies'], |
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$options['version'], |
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$lastVar |
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); |
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if (isset($localPath)) { |
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$cdnCheck = $options['cdn']['check']; |
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wp_add_inline_script( |
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$options['name'], |
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"${cdnCheck}||document.write(\"<script src=\\\"${localPath}\\\"><\/script>\")" |
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); |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Getter and setter for the loadFromCdn setting. |
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* |
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* @param boolean $load (optional) Value to set the parameter to. |
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**/ |
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public static function loadFromCdn($load = null) |
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{ |
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if (!isset($load)) { |
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return self::$loadFromCdn; |
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} |
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self::$loadFromCdn = (bool) $load; |
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} |
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} |
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flyntwp /
flynt-starter-theme
