fix: Code and heading after list without blank line (#2483)

Author: kiyoka

src/Tokenizer.js

@@ -226,6 +226,7 @@ export class Tokenizer {
         if (!endEarly) {
           const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:[*+-]|\\d{1,9}[.)])((?: [^\\n]*)?(?:\\n|$))`);
           const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`);
+          const fencesBeginRegex = new RegExp(`^( {0,${Math.min(3, indent - 1)}})(\`\`\`|~~~)`);
 
           // Check if following lines should be included in List Item
           while (src) {
@@ -237,6 +238,16 @@ export class Tokenizer {
               line = line.replace(/^ {1,4}(?=( {4})*[^ ])/g, '  ');
             }
 
+            // End list item if found code fences
+            if (fencesBeginRegex.test(line)) {
+              break;
+            }
+
+            // End list item if found start of new heading
+            if (this.rules.block.heading.test(line)) {
+              break;
+            }
+
             // End list item if found start of new bullet
             if (nextBulletRegex.test(line)) {
               break;

test/specs/new/fences_following_list.html

@@ -0,0 +1,7 @@
+<ol>
+<li>abcd</li>
+</ol>
+<pre><code>if {
+
+}
+</code></pre>

test/specs/new/fences_following_list.md

@@ -0,0 +1,5 @@
+1. abcd
+```
+if {
+}
+```

test/specs/new/fences_with_blankline_following_list_0.html

@@ -0,0 +1,23 @@
+<ol>
+<li>code with blankline</li>
+</ol>
+<pre><code>if {
+
+}
+</code></pre>
+<ol start="2">
+<li>code and text</li>
+</ol>
+<pre><code>if {
+
+}
+</code></pre>
+<p>text after fenced code block.</p>
+<ol start="3">
+<li>tilde</li>
+</ol>
+<pre><code>if {
+
+
+}
+</code></pre>

test/specs/new/fences_with_blankline_following_list_0.md

@@ -0,0 +1,22 @@
+1. code with blankline
+```
+if {
+
+}
+```
+
+2. code and text
+```
+if {
+
+
+}
+```
+text after fenced code block.
+
+3. tilde
+~~~
+if {
+
+}
+~~~

test/specs/new/fences_with_blankline_following_list_1.html

@@ -0,0 +1,22 @@
+<ol>
+<li><p>code with blankline</p>
+<pre><code>if {
+
+}
+</code></pre>
+</li>
+<li><p>code and text</p>
+<pre><code>if {
+
+}
+</code></pre>
+<p>text after fenced code block.</p>
+</li>
+<li><p>tilde</p>
+<pre><code>if {
+
+
+}
+</code></pre>
+</li>
+</ol>

test/specs/new/fences_with_blankline_following_list_1.md

@@ -0,0 +1,23 @@
+1. code with blankline
+   ```
+   if {
+   
+   }
+   ```
+
+2. code and text
+   ```
+   if {
+   
+   
+   }
+   ```
+   text after fenced code block.
+
+3. tilde
+   ~~~
+   if {
+   
+   }
+   ~~~
+

test/specs/new/heading_following_list.html

@@ -0,0 +1,8 @@
+<h1 id="level1">level1</h1>
+<h2 id="level2">level2</h2>
+<h3 id="level3">level3</h3>
+<ul>
+  <li>foo=bar</li>
+  <li>foo2=bar2</li>
+</ul>
+<h3 id="level3-1">level3</h3>

test/specs/new/heading_following_list.md

@@ -0,0 +1,6 @@
+# level1
+## level2
+### level3
+- foo=bar
+- foo2=bar2
+### level3