From 35653bb1151c235e57317c4dde4147f5639023e1 Mon Sep 17 00:00:00 2001
From: btzr-io <btzr.io@gmail.com>
Date: Thu, 17 Dec 2020 16:44:16 -0600
Subject: [PATCH] prevent front-matter render on markdown

---
 package.json                             |  1 +
 ui/component/common/markdown-preview.jsx |  5 ++++-
 yarn.lock                                | 19 +++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 26a1af69d..b7dae2bbf 100644
--- a/package.json
+++ b/package.json
@@ -183,6 +183,7 @@
     "remark": "^9.0.0",
     "remark-attr": "^0.8.3",
     "remark-emoji": "^2.0.1",
+    "remark-frontmatter": "^2.0.0",
     "remark-react": "^4.0.3",
     "reselect": "^3.0.0",
     "sass": "^1.29.0",
diff --git a/ui/component/common/markdown-preview.jsx b/ui/component/common/markdown-preview.jsx
index 26d41555c..329c9c3bc 100644
--- a/ui/component/common/markdown-preview.jsx
+++ b/ui/component/common/markdown-preview.jsx
@@ -6,6 +6,7 @@ import remarkAttr from 'remark-attr';
 import remarkStrip from 'strip-markdown';
 import remarkEmoji from 'remark-emoji';
 import remarkBreaks from 'remark-breaks';
+import remarkFrontMatter from 'remark-frontmatter';
 import reactRenderer from 'remark-react';
 import MarkdownLink from 'component/markdownLink';
 import defaultSchema from 'hast-util-sanitize/lib/github.json';
@@ -120,7 +121,7 @@ const MarkdownPreview = (props: MarkdownProps) => {
 
   const remarkAttrOpts = {
     scope: 'extended',
-    elements: ['link'],
+    elements: ['link', 'yaml'],
     extend: { link: ['embed'] },
     defaultValue: true,
   };
@@ -134,6 +135,7 @@ const MarkdownPreview = (props: MarkdownProps) => {
         {
           remark()
             .use(remarkStrip)
+            .use(remarkFrontMatter, ['yaml'])
             .use(reactRenderer, remarkOptions)
             .processSync(content).contents
         }
@@ -156,6 +158,7 @@ const MarkdownPreview = (props: MarkdownProps) => {
           .use(remarkEmoji)
           // Render new lines without needing spaces.
           .use(remarkBreaks)
+          .use(remarkFrontMatter, ['yaml'])
           .use(reactRenderer, remarkOptions)
           .processSync(strippedContent).contents
       }
diff --git a/yarn.lock b/yarn.lock
index d3bc3937b..ba0071481 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5431,6 +5431,13 @@ fast-levenshtein@^2.0.6, fast-levenshtein@~2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+fault@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/fault/-/fault-1.0.4.tgz#eafcfc0a6d214fc94601e170df29954a4f842f13"
+  integrity sha512-CJ0HCB5tL5fYTEA7ToAq5+kTwd++Borf1/bifxd9iT70QcXr4MRrO3Llf8Ifs70q+SJcGHFtnIE/Nw6giCtECA==
+  dependencies:
+    format "^0.2.0"
+
 faye-websocket@^0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
@@ -5689,6 +5696,11 @@ for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
 
+format@^0.2.0:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/format/-/format-0.2.2.tgz#d6170107e9efdc4ed30c9dc39016df942b5cb58b"
+  integrity sha1-1hcBB+nv3E7TDJ3DkBbflCtctYs=
+
 formik@^0.10.4:
   version "0.10.5"
   resolved "https://registry.yarnpkg.com/formik/-/formik-0.10.5.tgz#6984d2f22e918c6d2264a3cb86b8582f7277faca"
@@ -10033,6 +10045,13 @@ remark-emoji@^2.0.1:
     node-emoji "^1.8.1"
     unist-util-visit "^1.4.0"
 
+remark-frontmatter@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/remark-frontmatter/-/remark-frontmatter-2.0.0.tgz#c9b8539c27cd23b1672c7e0fcbd5795eeedb4dc1"
+  integrity sha512-uNOQt4tO14qBFWXenF0MLC4cqo3dv8qiHPGyjCl1rwOT0LomSHpcElbjjVh5CwzElInB38HD8aSRVugKQjeyHA==
+  dependencies:
+    fault "^1.0.1"
+
 remark-parse@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/remark-parse/-/remark-parse-5.0.0.tgz#4c077f9e499044d1d5c13f80d7a98cf7b9285d95"