From ba8771a8c8d3c682b05b7f40f18bb7a47da43c38 Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Tue, 16 Jul 2019 18:10:01 +0200
Subject: [PATCH] #2893

---
 src/app/Markdown/Heading/Renderer.php  |  3 ++-
 src/app/Markdown/Wrapper/Extension.php | 17 +++++++++++++++++
 src/app/Markdown/Wrapper/Renderer.php  | 24 ++++++++++++++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 src/app/Markdown/Wrapper/Extension.php
 create mode 100644 src/app/Markdown/Wrapper/Renderer.php

diff --git a/src/app/Markdown/Heading/Renderer.php b/src/app/Markdown/Heading/Renderer.php
index d062224..ca2edc4 100644
--- a/src/app/Markdown/Heading/Renderer.php
+++ b/src/app/Markdown/Heading/Renderer.php
@@ -17,7 +17,8 @@ class Renderer implements BlockRendererInterface
             throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block));
         }
 
-        $tag = 'h' . min(config('markdown_heading_max', 6), $block->getLevel() + config('markdown.heading_offset', 0));
+        $level = min(config('markdown_heading_max', 6), $block->getLevel() + config('markdown.heading_offset', 0));
+        $tag = 'h' . $level;
 
         $attrs = $block->getData('attributes', []);
 
diff --git a/src/app/Markdown/Wrapper/Extension.php b/src/app/Markdown/Wrapper/Extension.php
new file mode 100644
index 0000000..18274b1
--- /dev/null
+++ b/src/app/Markdown/Wrapper/Extension.php
@@ -0,0 +1,17 @@
+<?php
+
+
+namespace Cubist\Backpack\app\Markdown\Wrapper;
+
+
+use League\CommonMark\Block\Element\Document;
+use League\CommonMark\ConfigurableEnvironmentInterface;
+use League\CommonMark\Extension\ExtensionInterface;
+
+class Extension implements ExtensionInterface
+{
+    public function register(ConfigurableEnvironmentInterface $environment)
+    {
+        $environment->addBlockRenderer(Document::class, new Renderer(), 10);
+    }
+}
diff --git a/src/app/Markdown/Wrapper/Renderer.php b/src/app/Markdown/Wrapper/Renderer.php
new file mode 100644
index 0000000..b988b25
--- /dev/null
+++ b/src/app/Markdown/Wrapper/Renderer.php
@@ -0,0 +1,24 @@
+<?php
+
+
+namespace Cubist\Backpack\app\Markdown\Wrapper;
+
+
+use League\CommonMark\Block\Element\AbstractBlock;
+use League\CommonMark\Block\Element\Document;
+use League\CommonMark\Block\Renderer\BlockRendererInterface;
+use League\CommonMark\ElementRendererInterface;
+
+class Renderer implements BlockRendererInterface
+{
+    public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, bool $inTightList = false)
+    {
+        if (!($block instanceof Document)) {
+            throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block));
+        }
+
+        $wholeDoc = $htmlRenderer->renderBlocks($block->children());
+
+        return '<div class="markdown">' . ($wholeDoc === '' ? '' : $wholeDoc) . '</div>' . "\n";
+    }
+}
-- 
2.39.5