From 9d7b7287495d719e0a9c5d4def403a6d0284a20d Mon Sep 17 00:00:00 2001
From: Tony Brix <tony@brix.ninja>
Date: Sun, 8 Sep 2024 09:25:54 -0600
Subject: [PATCH] fix: fix html following list (#3444)

---
 src/Tokenizer.ts                        | 6 ++++++
 test/specs/new/html_following_list.html | 7 +++++++
 test/specs/new/html_following_list.md   | 5 +++++
 3 files changed, 18 insertions(+)
 create mode 100644 test/specs/new/html_following_list.html
 create mode 100644 test/specs/new/html_following_list.md

diff --git a/src/Tokenizer.ts b/src/Tokenizer.ts
index 80fc59ec..f29795e7 100644
--- a/src/Tokenizer.ts
+++ b/src/Tokenizer.ts
@@ -305,6 +305,7 @@ export class _Tokenizer {
           const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`);
           const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`);
           const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`);
+          const htmlBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}<[a-z].*>`, 'i');
 
           // Check if following lines should be included in List Item
           while (src) {
@@ -330,6 +331,11 @@ export class _Tokenizer {
               break;
             }
 
+            // End list item if found start of html block
+            if (htmlBeginRegex.test(nextLine)) {
+              break;
+            }
+
             // End list item if found start of new bullet
             if (nextBulletRegex.test(nextLine)) {
               break;
diff --git a/test/specs/new/html_following_list.html b/test/specs/new/html_following_list.html
new file mode 100644
index 00000000..349d4136
--- /dev/null
+++ b/test/specs/new/html_following_list.html
@@ -0,0 +1,7 @@
+<ul>
+  <li>list item 1</li>
+  <li>list item 2</li>
+</ul>
+<div class="some-class">
+Content
+</div>
diff --git a/test/specs/new/html_following_list.md b/test/specs/new/html_following_list.md
new file mode 100644
index 00000000..52c21131
--- /dev/null
+++ b/test/specs/new/html_following_list.md
@@ -0,0 +1,5 @@
+- list item 1
+- list item 2
+<div class="some-class">
+Content
+</div>