From 23e5d81f35eb55babe124259048b567d64d7730f Mon Sep 17 00:00:00 2001
From: Awilum <awilum@msn.com>
Date: Mon, 11 Nov 2019 01:10:18 +0300
Subject: [PATCH] feat(core): Markdown parsing should be cached in production
 #287

---
 flextype/dependencies.php               |  7 -----
 flextype/parsers/MarkdownParser.php     | 36 +++++++++++++++++++++++++
 flextype/twig/MarkdownTwigExtension.php |  6 +----
 3 files changed, 37 insertions(+), 12 deletions(-)
 create mode 100644 flextype/parsers/MarkdownParser.php

diff --git a/flextype/dependencies.php b/flextype/dependencies.php
index a617ce36..64a40e55 100644
--- a/flextype/dependencies.php
+++ b/flextype/dependencies.php
@@ -34,7 +34,6 @@ use League\Glide\Responses\SlimResponseFactory;
 use League\Glide\ServerFactory;
 use Monolog\Handler\StreamHandler;
 use Monolog\Logger;
-use ParsedownExtra as Markdown;
 use Slim\Csrf\Guard;
 use Slim\Flash\Messages;
 use Slim\Http\Environment;
@@ -202,12 +201,6 @@ $flextype['shortcodes'] = static function ($container) {
     return new ShortcodeFacade();
 };
 
-/**
- * Add Markdown service to Flextype container
- */
-$flextype['markdown'] = static function ($container) {
-    return new Markdown();
-};
 
 /**
  * Add entries service to Flextype container
diff --git a/flextype/parsers/MarkdownParser.php b/flextype/parsers/MarkdownParser.php
new file mode 100644
index 00000000..d9f7d186
--- /dev/null
+++ b/flextype/parsers/MarkdownParser.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @link http://flextype.org
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Flextype;
+
+use ParsedownExtra;
+
+class MarkdownParser
+{
+
+    /**
+     * Markdown Object
+     *
+     * @var object
+     * @access private
+     */
+    private static $markdown = null;
+
+    /**
+     * parse
+     */
+    public static function parse($input) : string
+    {
+        !isset(self::$markdown) and self::$markdown = new ParsedownExtra();
+
+        return self::$markdown->text($input);
+    }
+}
diff --git a/flextype/twig/MarkdownTwigExtension.php b/flextype/twig/MarkdownTwigExtension.php
index 1958576c..786c6ea7 100644
--- a/flextype/twig/MarkdownTwigExtension.php
+++ b/flextype/twig/MarkdownTwigExtension.php
@@ -44,10 +44,6 @@ class MarkdownTwigExtension extends Twig_Extension
      */
     public function markdown($value) : string
     {
-        if ($value !== null) {
-            return $this->flextype->markdown->text($value);
-        }
-
-        return '';
+        return MarkdownParser::parse($value);
     }
 }