initial commit

hamrokhaanpaan/wp-content/__plugins/wp-optimize/minify/class-wp-optimize-minify-print.php

@@ -0,0 +1,170 @@
+<?php
+if (!defined('ABSPATH')) die('No direct access allowed');
+
+if (!class_exists('WP_Optimize_Minify_Functions')) {
+	include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-functions.php';
+}
+
+class WP_Optimize_Minify_Print {
+
+	/**
+	 * Load the script using loadAsync JavaScript
+	 *
+	 * @param string  $href
+	 * @param boolean $print
+	 * @return string|void
+	 */
+	public static function async_script($href, $print = true) {
+		$wpo_minify_options = wp_optimize_minify_config()->get();
+		$tag = '<script>if (!navigator.userAgent.match(/'.implode('|', $wpo_minify_options['ualist']).'/i)){' . "\n";
+		$tag .= "    loadAsync('$href', null);" . "\n";
+		$tag .= '}</script>' . "\n";
+
+		if ($print) {
+			echo $tag;
+		} else {
+			return $tag;
+		}
+	}
+
+	/**
+	 * Print a style that will be loaded async using 'preload'
+	 *
+	 * @param string $href
+	 * @param string $media
+	 * @return void
+	 */
+	public static function async_style($href, $media = 'all') {
+		echo '<link rel="preload" href="'.$href.'" as="style" media="'.$media.'" onload="this.onload=null;this.rel=\'stylesheet\'" />' . "\n";
+		// fix for firefox not supporting preload
+		echo '<link rel="stylesheet" href="'.$href.'" media="'.$media.'" />' . "\n";
+		echo '<noscript><link rel="stylesheet" href="'.$href.'" media="'.$media.'" /></noscript>' . "\n";
+		echo '<!--[if IE]><link rel="stylesheet" href="'.$href.'" media="'.$media.'" /><![endif]-->' . "\n";
+	}
+
+	/**
+	 * Print a style that will be loaded by JS
+	 *
+	 * @param string $href
+	 * @return void
+	 */
+	public static function exclude_style($href) {
+		$wpo_minify_options = wp_optimize_minify_config()->get();
+		// make a stylesheet, hide from PageSpeedIndex
+		$cssguid = 'wpo_min'.hash('adler32', $href);
+		echo '<script>if (!navigator.userAgent.match(/'.implode('|', $wpo_minify_options['ualist']).'/i)){' . "\n";
+		echo '    var '.$cssguid.'=document.createElement("link");'.$cssguid.'.rel="stylesheet",'.$cssguid.'.type="text/css",'.$cssguid.'.media="async",'.$cssguid.'.href="'.$href.'",'.$cssguid.'.onload=function() {'.$cssguid.'.media="all"},document.getElementsByTagName("head")[0].appendChild('.$cssguid.');' . "\n";
+		echo '}</script>' . "\n";
+	}
+
+	/**
+	 * Inline a single style
+	 *
+	 * @param string $handle
+	 * @param string $href
+	 * @return boolean
+	 */
+	public static function inline_style($handle, $href) {
+		$wpo_minify_options = wp_optimize_minify_config()->get();
+
+		// font awesome processing, inline
+		// download, minify, cache
+		$tkey = 'css-'.hash('adler32', $href).'.css';
+		$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey);
+		if (false === $json) {
+			$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $wpo_minify_options['enable_css_minification'], 'css', $handle);
+			if ($wpo_minify_options['debug']) {
+				echo "<!-- wpo_min DEBUG: Uncached file processing now for $href -->" . "\n";
+			}
+			WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json);
+		}
+	
+		// decode
+		$res = json_decode($json, true);
+		
+		// add font-display
+		// https://developers.google.com/web/updates/2016/02/font-display
+		$res['code'] = str_ireplace('font-style:normal;', 'font-display:block;font-style:normal;', $res['code']);
+		
+		// inline css or fail
+		if (false != $res['status']) {
+			echo '<style type="text/css" media="all">' . "\n";
+			echo $res['code'] . "\n";
+			echo '</style>' . "\n";
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Print a normal style tag pointing the href
+	 *
+	 * @param string $href
+	 * @return void
+	 */
+	public static function style($href) {
+		echo '<link rel="stylesheet" href="'.$href.'" media="all">' . "\n";
+	}
+
+	/**
+	 * Write header
+	 *
+	 * @param string $file
+	 * @param string $headers
+	 * @return void
+	 */
+	public static function write_header($file, $headers) {
+		file_put_contents($file, $headers);
+		WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file);
+	}
+
+	/**
+	 * Write CSS
+	 *
+	 * @param string $file
+	 * @param string $code
+	 * @param string $log
+	 * @return void
+	 */
+	public static function write_combined_asset($file, $code, $log) {
+		file_put_contents($file.'.json', json_encode($log));
+		file_put_contents($file, $code);
+		// permissions
+		WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.json');
+		WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file);
+
+		if (function_exists('gzencode')) {
+			file_put_contents($file.'.gz', gzencode(file_get_contents($file), 9));
+			WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.gz');
+		}
+		
+		// brotli static support
+		if (function_exists('brotli_compress')) {
+			file_put_contents($file.'.br', brotli_compress(file_get_contents($file), 11));
+			WP_Optimize_Minify_Cache_Functions::fix_permission_bits($file.'.br');
+		}
+	}
+	/**
+	 * Load async scripts with callback
+	 *
+	 * @return void
+	 */
+	public static function add_load_async() {
+		$min_or_not_internal = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '-'. str_replace('.', '-', WPO_VERSION). '.min';
+		$contents = file_get_contents(trailingslashit(WPO_PLUGIN_MAIN_PATH) . "js/loadAsync$min_or_not_internal.js");
+		echo "<script>$contents</script>\n";
+	}
+
+	/**
+	 * Defer CSS globally from the header (order matters)
+	 * Dev: https://www.filamentgroup.com/lab/async-css.html
+	 *
+	 * @return void
+	 */
+	public static function add_load_css() {
+		$min_or_not_internal = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '-'. str_replace('.', '-', WPO_VERSION). '.min';
+		$contents = file_get_contents(trailingslashit(WPO_PLUGIN_MAIN_PATH) . "js/loadCSS$min_or_not_internal.js");
+		echo "<script>$contents</script>" . "\n";
+	}
+}