wip

composer.json

@@ -43,7 +43,8 @@
         "antoligy/dom-string-iterators": "^1.0",
         "miljar/php-exif": "^0.6.4",
         "composer/ca-bundle": "^1.0",
-        "dragonmantank/cron-expression": "^1.2"
+        "dragonmantank/cron-expression": "^1.2",
+        "phive/twig-extensions-deferred": "^1.0"
     },
     "require-dev": {
         "codeception/codeception": "^2.4",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ee3b919ebe2a385d66074d22125c4317",
+    "content-hash": "62efd8660a745d3e62621d0432f6ef91",
     "packages": [
         {
             "name": "antoligy/dom-string-iterators",
@@ -1017,6 +1017,49 @@
             ],
             "time": "2017-06-19T01:22:40+00:00"
         },
+        {
+            "name": "phive/twig-extensions-deferred",
+            "version": "v1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/rybakit/twig-deferred-extension.git",
+                "reference": "5a2426d622afa74034e754ca5ea1d1ff7887627f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/rybakit/twig-deferred-extension/zipball/5a2426d622afa74034e754ca5ea1d1ff7887627f",
+                "reference": "5a2426d622afa74034e754ca5ea1d1ff7887627f",
+                "shasum": ""
+            },
+            "require": {
+                "twig/twig": "~1.18"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Phive\\Twig\\Extensions\\Deferred\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Eugene Leonovich",
+                    "email": "gen.work@gmail.com"
+                }
+            ],
+            "description": "An extension for Twig that allows to defer block rendering",
+            "homepage": "https://github.com/rybakit/twig-extensions-deferred",
+            "keywords": [
+                "defer",
+                "extension",
+                "lazy",
+                "twig"
+            ],
+            "time": "2017-03-17T21:39:21+00:00"
+        },
         {
             "name": "pimple/pimple",
             "version": "v3.2.3",

system/src/Grav/Common/Twig/Twig.php

@@ -16,6 +16,7 @@ use Grav\Common\Page\Page;
 use Grav\Common\Page\Pages;
 use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
 use RocketTheme\Toolbox\Event\Event;
+use Phive\Twig\Extensions\Deferred\DeferredExtension;
 
 class Twig
 {
@@ -159,6 +160,7 @@ class Twig
                 $this->twig->addExtension(new \Twig_Extension_Debug());
             }
             $this->twig->addExtension(new TwigExtension());
+            $this->twig->addExtension(new DeferredExtension());
 
             $this->grav->fireEvent('onTwigExtensions');