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<?php |
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/** |
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* Asset Optimizer Class |
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* |
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* Simple asset optimization for better performance. |
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* Implements preloading and basic optimization strategies. |
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* |
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* @package ThinkRank |
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* @subpackage Core |
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* @since 1.0.0 |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace ThinkRank\Core; |
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|
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/** |
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* Asset Optimizer Class |
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* |
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* @since 1.0.0 |
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*/ |
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class Asset_Optimizer { |
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|
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/** |
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* Initialize asset optimization |
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* |
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* @since 1.0.0 |
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*/ |
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public function __construct() { |
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add_action('admin_init', [$this, 'init_admin_optimizations']); |
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} |
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|
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/** |
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* Initialize admin-specific optimizations |
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* |
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* @since 1.0.0 |
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*/ |
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public function init_admin_optimizations(): void { |
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// Only optimize on ThinkRank admin pages |
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if (!$this->is_thinkrank_admin_page()) { |
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return; |
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} |
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|
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add_action('admin_head', [$this, 'add_asset_preloading'], 1); |
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add_action('admin_head', [$this, 'add_performance_hints'], 2); |
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} |
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|
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/** |
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* Check if current page is a ThinkRank admin page |
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* |
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* @since 1.0.0 |
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* |
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* @return bool True if ThinkRank admin page |
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*/ |
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private function is_thinkrank_admin_page(): bool { |
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$screen = get_current_screen(); |
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|
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if (!$screen) { |
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return false; |
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} |
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|
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// Check for ThinkRank admin pages |
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return strpos($screen->id, 'thinkrank') !== false || |
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strpos($screen->base, 'thinkrank') !== false || |
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(isset($_GET['page']) && strpos($_GET['page'], 'thinkrank') !== false); |
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} |
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|
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/** |
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* Add asset preloading headers |
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* |
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* @since 1.0.0 |
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*/ |
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public function add_asset_preloading(): void { |
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$plugin_url = plugin_dir_url(THINKRANK_PLUGIN_FILE); |
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|
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$assets = [ |
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// Critical CSS |
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[ |
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'url' => $plugin_url . 'assets/admin.css', |
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'type' => 'style' |
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], |
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// Critical JS |
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[ |
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'url' => $plugin_url . 'assets/admin.js', |
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'type' => 'script' |
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] |
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]; |
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|
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foreach ($assets as $asset) { |
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// Check if file exists before preloading |
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$file_path = str_replace($plugin_url, THINKRANK_PLUGIN_DIR, $asset['url']); |
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if (file_exists($file_path)) { |
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printf( |
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'<link rel="preload" href="%s" as="%s"%s>' . "\n", |
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esc_url($asset['url']), |
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esc_attr($asset['type']), |
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$asset['type'] === 'style' ? ' type="text/css"' : '' |
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); |
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} |
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} |
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} |
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|
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/** |
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* Add performance hints |
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* |
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* @since 1.0.0 |
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*/ |
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public function add_performance_hints(): void { |
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// DNS prefetch for external APIs (if configured) |
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$external_domains = [ |
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'api.openai.com', |
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'api.anthropic.com', |
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'generativelanguage.googleapis.com' |
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]; |
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|
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foreach ($external_domains as $domain) { |
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printf('<link rel="dns-prefetch" href="//%s">' . "\n", esc_attr($domain)); |
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} |
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|
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// Remove redundant viewport meta tag: WordPress admin already sets this. |
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// Keeping only DNS prefetch hints here. |
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} |
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|
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/** |
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* Get asset optimization stats |
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* |
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* @since 1.0.0 |
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* |
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* @return array Optimization statistics |
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*/ |
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public function get_stats(): array { |
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return [ |
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'preloading_enabled' => $this->is_thinkrank_admin_page(), |
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'dns_prefetch_domains' => 3, |
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'optimized_pages' => ['thinkrank admin pages'] |
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]; |
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} |
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} |
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|
