Defer CSS and JS load

Expire date

_define.php

@@ -26,10 +26,10 @@
 if (!defined('DC_RC_PATH')) { return; }
 
 $this->registerModule(
-	/* Name */		"YASH Fork",
+	/* Name */		"YASH3",
 	/* Description*/	"Fork from Yet Another Syntax Highlighter. Modification: Juste one javascript called on public pages for yash3",
 	/* Author */		"Forked and modified by Gnieark, origin: Pep and contributors",
-	/* Version */		'0.9.2',
+	/* Version */		'0.9.3',
 	array(
 		/* Dependencies */	'requires' =>		array(array('core','2.9')),
 		/* Permissions */	'permissions' =>	'usage,contentadmin',

_public.php

@@ -58,36 +58,40 @@ class dcYASH
 			$core->blog->settings->yash3->yash3_concat_version.".".
 			$ext;
 	  if(file_exists($fileToSend)){
+	    header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + (365*3600*24)));
 	    echo file_get_contents($fileToSend);
 	  }else{
 	    throw new Exception ("Page not found",404);
 	  }
 	}
-	public static function publicHeadContent()
-	{
-		global $core;
-		error_log($core->blog->url.$core->url->getBase('yash3'));
-		$core->blog->settings->addNamespace('yash3');
-		if ($core->blog->settings->yash3->yash3_active)
-		{
-		  echo dcUtils::cssLoad(
-			$core->blog->url.$core->url->getBase('yash3')."/".
-			$core->blog->settings->yash3->yash3_concat_version.
-			".css"
-			
-		  );
-		}
-	}
         public static function publicFooterContent()
         {
                 global $core;
                 $core->blog->settings->addNamespace('yash3');
                 if ($core->blog->settings->yash3->yash3_active){
-
+                    $cssURL = 	$core->blog->url.$core->url->getBase('yash3')."/".
+                                $core->blog->settings->yash3->yash3_concat_version.
+                                ".css";
+                        echo "<noscript id=\"deferred-yash-style\">\n".
+                             " <link rel=\"stylesheet\" type=\"text/css\" href=\"".$cssURL."\"/>\n".
+                             "</noscript>\n".
+                             "<script>\n".
+                             "var loadYashDeferredStyles = function() {\n".
+                             "  var addStylesNode = document.getElementById('deferred-yash-style');\n".
+                             "  var replacement = document.createElement('div');\n".
+                             "  replacement.innerHTML = addStylesNode.textContent;\n".
+                             "  document.body.appendChild(replacement)\n".
+                             "  addStylesNode.parentElement.removeChild(addStylesNode);\n".
+                             "};\n".
+                             "var raf = requestAnimationFrame || mozRequestAnimationFrame ||\n".
+                             "  webkitRequestAnimationFrame || msRequestAnimationFrame;\n".
+                             "if (raf) raf(function() { window.setTimeout(loadYashDeferredStyles, 0); });\n".
+                             "else window.addEventListener('load', loadYashDeferredStyles);\n".
+                             "</script>";
+   
                         $jsURL = $core->blog->url.$core->url->getBase('yash3')."/".
-                                              $core->blog->settings->yash3->yash3_concat_version.
+                                 $core->blog->settings->yash3->yash3_concat_version.
-                                              ".js";
+                                 ".js";
-
                         echo '<script async src="'.$jsURL.'"></script>';
                 }
         }