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<?php |
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|
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namespace SimpleAnalytics; |
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|
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use SimpleAnalytics\Scripts\Contracts\HasAttributes; |
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use SimpleAnalytics\Scripts\Contracts\HideScriptId; |
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use SimpleAnalytics\Scripts\Contracts\Script; |
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|
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/** |
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* Register scripts with WordPress. |
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*/ |
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final class ScriptManager |
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{ |
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private $scripts = []; |
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public function __construct($scripts = []) |
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{ |
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/** @var Script[] */ |
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$this->scripts = $scripts; |
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} |
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|
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public function add(Script $script): void |
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{ |
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$this->scripts[] = $script; |
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} |
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|
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/** |
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* Register the scripts with WordPress. |
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*/ |
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public function register(): void |
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{ |
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$this->enqueueScripts(); |
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$this->addAttributes(); |
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$this->removeIds(); |
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} |
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|
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protected function enqueueScripts(): void |
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{ |
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foreach ($this->scripts as $script) { |
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wp_enqueue_script($script->handle(), $script->path(), [], null, true); |
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} |
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} |
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|
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/** |
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* As WordPress does not provide a way of directly assigning attributes to scripts, we need to use a filter. |
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* @see https://developer.wordpress.org/reference/hooks/wp_script_attributes |
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*/ |
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protected function addAttributes(): void |
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{ |
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add_filter('wp_script_attributes', \Closure::fromCallable([$this, 'addAttributesFilter']), 10, 2); |
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} |
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|
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protected function addAttributesFilter($attributes) |
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{ |
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foreach ($this->scripts as $script) { |
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if ( |
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$script instanceof HasAttributes && |
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$script->handle() . '-js' === $attributes['id'] |
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) { |
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return array_merge(is_array($attributes) ? $attributes : iterator_to_array($attributes), $script->attributes()); |
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} |
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} |
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|
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return $attributes; |
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} |
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|
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protected function removeIds(): void |
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{ |
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add_filter('script_loader_tag', \Closure::fromCallable([$this, 'removeIdsFilter']), 10, 2); |
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} |
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|
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protected function removeIdsFilter($tag, $handle): string |
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{ |
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foreach ($this->scripts as $script) { |
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if ($script instanceof HideScriptId && $script->handle() === $handle) { |
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// Remove the id attribute from the script tag |
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return preg_replace('/ id=([\'"])[^\'"]*\\1/', '', $tag); |
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} |
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} |
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|
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return $tag; |
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} |
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} |
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|
