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<?php |
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|
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namespace TableBuilder\Hooks; |
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|
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defined('ABSPATH') || exit; |
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|
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class AssetGenerator |
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{ |
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|
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use \TableBuilder\Traits\Singleton; |
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|
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/** |
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* Defining css |
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*/ |
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public $css = ''; |
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|
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/** |
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* Defining fonts |
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*/ |
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protected $fonts = array(); |
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|
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/** |
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* AssetGenerator class constructor. |
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* private for singleton |
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* |
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* @return void |
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* @since 1.0.0 |
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*/ |
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public function __construct() |
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{ |
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add_action('save_post', array($this, 'save_post_hook'), 10, 3); |
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add_filter('render_block_data', array($this, 'set_blocks_css'), 10); |
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add_filter('wp_resource_hints', array($this, 'fonts_resource_hints'), 10, 2); |
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add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts'), 10); |
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add_action('enqueue_block_assets', array($this, 'block_assets'), 10); |
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} |
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|
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/** |
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* Filters an array of blocks and returns only those where the block name contains 'tablebuilder'. |
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* |
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* @param array $blocks An array of blocks. Each block is an associative array that must contain a 'blockName' key. Default is an empty array. |
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* @return array Returns an array of blocks where the block name contains 'tablebuilder'. |
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*/ |
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public function filter_blocks($blocks = array()) |
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{ |
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$filtered_blocks = []; |
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|
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foreach ($blocks as $block) { |
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if (isset($block['blockName']) && strpos($block['blockName'], 'tablebuilder') !== false) { |
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$filtered_blocks[] = $block; |
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} |
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|
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if (!empty($block['innerBlocks'])) { |
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$filtered_blocks = array_merge($filtered_blocks, $this->filter_blocks($block['innerBlocks'])); |
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} |
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} |
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|
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return $filtered_blocks; |
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} |
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|
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/** |
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* Minify CSS by condensing white spaces and removing comments. |
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* |
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* @param string $css The input CSS. |
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* @return string Minified CSS. |
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*/ |
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public function minimize_css($css) |
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{ |
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if (trim($css) === '') { |
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return $css; |
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} |
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|
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return preg_replace( |
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array( |
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'#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')|\/\*(?!\!)(?>.*?\*\/)|^\s*|\s*$#s', |
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'#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\'|\/\*(?>.*?\*\/))|\s*+;\s*+(})\s*+|\s*+([*$~^|]?+=|[{};,>~]|\s(?![0-9\.])|!important\b)\s*+|([[(:])\s++|\s++([])])|\s++(:)\s*+(?!(?>[^{}"\']++|"(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')*+{)|^\s++|\s++\z|(\s)\s+#si', |
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'#(?<=[\s:])(0)(cm|em|ex|in|mm|pc|pt|px|vh|vw|%)#si', |
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'#:(0\s+0|0\s+0\s+0\s+0)(?=[;\}]|\!important)#i', |
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'#(background-position):0(?=[;\}])#si', |
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'#(?<=[\s:,\-])0+\.(\d+)#s', |
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'#(\/\*(?>.*?\*\/))|(?<!content\:)([\'"])([a-z_][a-z0-9\-_]*?)\2(?=[\s\{\}\];,])#si', |
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'#(\/\*(?>.*?\*\/))|(\burl\()([\'"])([^\s]+?)\3(\))#si', |
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'#(?<=[\{;])(border|outline):none(?=[;\}\!])#', |
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'#(\/\*(?>.*?\*\/))|(^|[\{\}])(?:[^\s\{\}]+)\{\}#s', |
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), |
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array( |
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'$1', |
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'$1$2$3$4$5$6$7', |
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'$1', |
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':0', |
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'$1:0 0', |
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'.$1', |
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'$1$3', |
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'$1$2$4$5', |
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'$1$2$3', |
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'$1:0', |
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'$1$2', |
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), |
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$css |
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); |
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} |
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|
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/** |
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* Fires once a post has been saved. |
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* |
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* @param int $post_id The ID of the post. |
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* @param WP_Post $post The post object. |
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* @param bool $update Whether this is an existing post being updated. |
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* @return void |
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*/ |
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public function save_post_hook($post_id, $post, $update) |
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{ |
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// Bail out if is draft, revision, or autosave |
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if ('auto-draft' === $post->post_status || wp_is_post_revision($post_id) || defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) { |
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return; |
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} |
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|
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// Skip if this is an autosave or update |
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if (!$update) { |
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return; |
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} |
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|
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$post = get_post($post_id); |
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$parse_blocks = $this->filter_blocks(parse_blocks($post->post_content)); |
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|
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if ($parse_blocks) { |
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$fse = in_array($post->post_type, ['wp_template_part', 'wp_template']); |
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if ($fse) { |
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$this->set_fonts(null, $this->generate_fse_assets(), true); |
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} else { |
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$this->set_fonts($post_id, $parse_blocks); |
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} |
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} |
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} |
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|
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/** |
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* Generate assets for templates. |
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* |
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* @return array $filtered_blocks The filtered blocks for FSE templates. |
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*/ |
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protected function generate_fse_assets() |
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{ |
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$args = [ |
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'post_type' => ['wp_template_part', 'wp_template'], |
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'posts_per_page' => -1, |
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]; |
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|
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$posts = get_posts($args); |
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$merged_blocks = []; |
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|
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foreach ($posts as $post) { |
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$merged_blocks = array_merge($merged_blocks, parse_blocks($post->post_content)); |
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} |
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|
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return $this->filter_blocks($merged_blocks); |
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} |
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|
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/** |
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* Set the fonts for a given post or Full Site Editing (FSE) template. |
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* |
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* @param int $post_id The ID of the post or FSE template. |
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* @param array $blocks An array of blocks. |
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* @param bool $fse Whether this is an FSE template. |
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* @return void |
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*/ |
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protected function set_fonts($post_id, $blocks, $fse = false) |
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{ |
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$fonts = []; |
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|
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foreach ($blocks as $block) { |
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if (isset($block['attrs'])) { |
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$typographies = array_filter($block['attrs'], function ($key) { |
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return str_contains(strtolower($key), 'typography'); |
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}, ARRAY_FILTER_USE_KEY); |
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|
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if (!empty($typographies)) { |
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foreach ($typographies as $typography) { |
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$font_weight = !empty($typography['fontWeight']['value']) ? $typography['fontWeight']['value'] : 400; |
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if (!empty($typography['fontFamily']['value'])) { |
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$fonts[$typography['fontFamily']['value']][] = $font_weight; |
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} |
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} |
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} |
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} |
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} |
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|
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// Update fonts |
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if (!empty($fonts)) { |
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if ($fse) { |
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update_option('table_builder_fse_fonts', $fonts); |
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} else { |
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update_post_meta($post_id, 'table_builder_posts_fonts', $fonts); |
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} |
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} else { |
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if ($fse) { |
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delete_option('table_builder_fse_fonts'); |
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} else { |
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delete_post_meta($post_id, 'table_builder_posts_fonts'); |
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} |
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} |
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} |
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|
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/** |
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* Combine block assets (CSS and JS) based on the used blocks. |
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* |
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* @param array $parsed_block The parsed block. |
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* @return string Combined CSS content. |
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*/ |
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protected function combine_blocks_assets($parsed_block = []) |
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{ |
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$blocks_css = []; |
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|
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if (isset($parsed_block['blockName']) && strpos($parsed_block['blockName'], 'tablebuilder') !== false) { |
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if (isset($parsed_block['attrs']['blocksCSS'])) { |
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foreach ($parsed_block['attrs']['blocksCSS'] as $device => $css) { |
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if (!isset($blocks_css[$device])) { |
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$blocks_css[$device] = ''; |
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} |
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|
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if (is_string($css)) { |
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$blocks_css[$device] .= $css; |
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} |
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} |
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} |
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|
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// block typography |
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$this->set_typography($parsed_block); |
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|
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// block common style |
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if (isset($parsed_block['attrs']['commonStyle'])) { |
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foreach ($parsed_block['attrs']['commonStyle'] as $device => $css) { |
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if (!isset($blocks_css[$device])) { |
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$blocks_css[$device] = ''; |
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} |
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|
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$blocks_css[$device] .= $css; |
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} |
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} |
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} |
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|
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// Concatenate CSS content into a single string |
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$css_content = ''; |
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$is_custom_styles_added = false; |
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$device_list = \TableBuilder\Helpers\Utils::get_device_list(); |
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|
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if (!empty($blocks_css)) { |
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foreach ($device_list as $device) { |
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foreach ($blocks_css as $key => $block) { |
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if (!empty($block) && trim($block) !== '') { |
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$direction = $device['direction'] ?? 'max'; |
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$width = $device['value'] ?? ''; |
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$device_key = strtolower($device['slug'] ?? ''); |
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|
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if ('base' === $device['value'] && 'desktop' === $key) { |
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$css_content .= $block; |
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} elseif (!empty($direction) && !empty($width) && $device_key === $key) { |
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$css_content .= "@media ({$direction}-width: {$width}px) {" . trim($block) . '}'; |
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} |
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|
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if ('customStyles' === $key && !$is_custom_styles_added) { |
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$is_custom_styles_added = true; |
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$css_content .= $block; |
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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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return $css_content; |
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} |
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|
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protected function set_typography($parsed_block) |
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{ |
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if (isset($parsed_block['attrs'])) { |
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$typographies = array_filter( |
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$parsed_block['attrs'], |
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function ($key) { |
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$key = strtolower($key); |
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return str_contains($key, 'typography') || str_contains($key, 'typo'); |
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}, |
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ARRAY_FILTER_USE_KEY |
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); |
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|
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if (! empty($typographies)) { |
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foreach ($typographies as $typography) { |
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$font_weight = ! empty($typography['fontWeight']['value']) ? $typography['fontWeight']['value'] : 400; |
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if (! empty($typography['fontFamily']['value'])) { |
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$this->fonts[$typography['fontFamily']['value']][] = $font_weight; |
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} |
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} |
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} |
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} |
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} |
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|
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/** |
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* Generate Google Fonts URL. |
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* |
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* @return string|bool Google Fonts URL or false if no fonts. |
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*/ |
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protected function generate_fonts_url() |
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{ |
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if (!empty($this->fonts)) { |
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$font_families = []; |
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$font_url = 'https://fonts.googleapis.com/css2?family='; |
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|
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// Remove duplicates and sort the fonts |
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$all_fonts = array_map(function ($arr) { |
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$arr = array_unique($arr); |
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sort($arr); |
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return $arr; |
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}, $this->fonts); |
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|
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foreach ($all_fonts as $font => $weights) { |
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$weights = array_map(function ($weight) { |
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$invalid_list = ['normal', 'inherit', 'initial']; |
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return in_array($weight, $invalid_list) ? '400' : $weight; |
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}, $weights); |
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sort($weights); |
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$font_families[] = str_replace(' ', '+', $font) . ':wght@' . implode(';', array_unique($weights)); |
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} |
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|
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$font_url .= implode('&family=', $font_families); |
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$font_url .= '&display=swap'; |
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|
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return $font_url; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Sets the CSS for the blocks. |
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* |
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* @param array $parsed_block The parsed block data. |
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* @return array The modified parsed block data. |
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*/ |
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public function set_blocks_css($parsed_block) |
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{ |
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$css_content = $this->combine_blocks_assets($parsed_block); |
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if (!empty($css_content)) { |
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$this->css .= $css_content; |
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} |
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return $parsed_block; |
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} |
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|
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/** |
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* Add preconnect for Google Fonts. |
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* |
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* @param array $urls URLs to print for resource hints. |
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* @param string $relation_type The relation type the URLs are printed. |
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* @return array |
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*/ |
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public function fonts_resource_hints($urls, $relation_type) |
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{ |
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if (wp_style_is('table-builder-google-fonts', 'queue') && 'preconnect' === $relation_type) { |
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$urls[] = [ |
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'href' => 'https://fonts.gstatic.com', |
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'crossorigin', |
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]; |
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} |
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|
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return $urls; |
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} |
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|
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/** |
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* Enqueues the Google Fonts stylesheet if available. |
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* Enqueues inline styles for the TableBuilder frontend. |
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*/ |
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public function enqueue_scripts() |
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{ |
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global $post; |
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|
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if (!wp_is_block_theme() && !empty($post->post_content)) { |
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do_blocks($post->post_content); |
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} |
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|
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$fonts_url = $this->generate_fonts_url(); |
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if ($fonts_url) { |
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wp_enqueue_style('table-builder-google-fonts', $fonts_url, false, null); |
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} |
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|
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if ($this->css) { |
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wp_add_inline_style('table-builder-style', $this->css); |
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} |
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} |
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|
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/** |
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* Enqueues block assets (CSS & JS). |
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* |
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* @return void |
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*/ |
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public function block_assets() |
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{ |
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wp_enqueue_style('table-builder-style', get_stylesheet_uri()); |
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} |
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} |
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|
