fix: revert pr338 && add cut w/ code test (#358)

Co-authored-by: Kirill Omelianenko

Author: Kiri111enz

src/transform/plugins/cut.ts

@@ -68,19 +68,15 @@ const cut: MarkdownItPluginCb = (md, {path, log}) => {
                 const newCloseToken = new state.Token('yfm_cut_close', 'div', -1);
                 newCloseToken.map = tokens[closeTokenIdx].map;
 
-                const insertTokens = tokens.slice(i + 3, closeTokenIdx);
-                const rest = insertTokens.length % 3;
-
                 const insideTokens = [
                     newOpenToken,
                     titleOpen,
                     titleInline,
                     titleClose,
                     contentOpen,
-                    ...insertTokens.slice(0, insertTokens.length - rest),
+                    ...tokens.slice(i + 3, closeTokenIdx),
                     contentClose,
                     newCloseToken,
-                    ...insertTokens.slice(insertTokens.length - rest),
                 ];
 
                 tokens.splice(i, closeTokenIdx - i + 3, ...insideTokens);

test/cut.test.ts

@@ -23,6 +23,24 @@ describe('Cut plugin', () => {
         );
     });
 
+    it('should render simple cut with code in it', () => {
+        expect(
+            transformYfm(
+                '{% cut "Cut title" %}\n' +
+                    '\n' +
+                    '```\n' +
+                    'Code\n' +
+                    '```\n' +
+                    '\n' +
+                    '{% endcut %}',
+            ).replace(/(\r\n|\n|\r)/gm, ''),
+        ).toBe(
+            '<div class="yfm-cut"><div class="yfm-cut-title">Cut title</div>' +
+                '<div class="yfm-cut-content"><pre><code class="hljs">Code</code></pre>' +
+                '</div></div>',
+        );
+    });
+
     it('should render siblings cuts', () => {
         expect(
             transformYfm(