feat: enhance reduceHeadings function to handle indented and closed markdown headings and add tests for new functionality. resolves #51

.gitignore

@@ -7,3 +7,4 @@ release.json
 repository.json
 user.json
 tests/sample-test-release-v2.json
+tests/sample-test-release-v3.json

index.js

@@ -61,8 +61,21 @@ const removeGithubReferenceLinks = (text) => text
  * @returns {string} The text with reduced heading sizes.
  */
 const reduceHeadings = (text) => text
-    .replace(/^###\s+(.+)$/gm, '**__$1__**') // Convert H3 to bold + underline
+    .split('\n')
-    .replace(/^##\s+(.+)$/gm, '**$1**');     // Convert H2 to bold
+    .map((line) => {
+        const h3 = line.match(/^\s*###\s+(.+?)\s*#*\s*$/);
+        if (h3) {
+            return `**__${h3[1].trim()}__**`;
+        }
+
+        const h2 = line.match(/^\s*##\s+(.+?)\s*#*\s*$/);
+        if (h2) {
+            return `**${h2[1].trim()}**`;
+        }
+
+        return line;
+    })
+    .join('\n');
 
 /**
  * Converts PR, issue, and changelog links to markdown format, ignoring existing markdown links.

tests/index.test.js

@@ -70,6 +70,16 @@ describe('index.js utility functions', () => {
         expect(reduceHeadings('## Heading2')).toBe('**Heading2**');
     });
 
+    test('reduceHeadings reduces repeated section headings', () => {
+        const input = '### Bug Fixes\n- fix thing\n\n### Features\n- add thing';
+        expect(reduceHeadings(input)).toBe('**__Bug Fixes__**\n- fix thing\n\n**__Features__**\n- add thing');
+    });
+
+    test('reduceHeadings handles indented and closed markdown headings', () => {
+        const input = '  ## Changes ##\n   ### Features ###';
+        expect(reduceHeadings(input)).toBe('**Changes**\n**__Features__**');
+    });
+
     test('convertLinksToMarkdown converts PR/issue/changelog links', () => {
         const pr = 'https://github.com/owner/repo/pull/1';
         const issue = 'https://github.com/owner/repo/issues/2';