Enable clipboard parsing to extract file paths embedded within HTML comments inside markdown headings

Author: robertpiosik

packages/vscode/src/commands/apply-chat-response-command/utils/clipboard-parser/clipboard-parser.spec.ts

@@ -109,6 +109,21 @@ describe('clipboard-parser', () => {
       )
     })
 
+    it('parses file path from HTML comment inside a markdown heading', () => {
+      const test_case = 'html-comment-in-markdown-heading'
+      const text = load_test_case_file(test_case, `${test_case}.txt`)
+      const result = parse_multiple_files({
+        response: text,
+        is_single_root_folder_workspace: true
+      })
+
+      expect(result).toHaveLength(1)
+      expect(result[0].file_path).toBe('README.md')
+      expect(result[0].content).toBe(
+        load_test_case_file(test_case, 'file-1.txt')
+      )
+    })
+
     it('parses multiple files when file paths are in HTML-style comments outside of code blocks', () => {
       const test_case = 'html-comment-filename-outside-code-block'
       const text = load_test_case_file(test_case, `${test_case}.txt`)

packages/vscode/src/commands/apply-chat-response-command/utils/clipboard-parser/clipboard-parser.ts

@@ -433,6 +433,39 @@ export const parse_multiple_files = (params: {
           const trimmed_line = line.trim()
           let extracted_filename: string | null = null
 
+          // Check for HTML comments embedded in markdown headings like: # <!-- file:/path -->
+          if (trimmed_line.startsWith('#')) {
+            const html_comment_match = trimmed_line.match(
+              /<!--\s*(?:file:\/?)?(.*?)\s*-->/
+            )
+            if (html_comment_match) {
+              const potential_path = html_comment_match[1].trim()
+              if (
+                potential_path.includes('/') ||
+                potential_path.includes('\\') ||
+                potential_path.includes('.')
+              ) {
+                extracted_filename = potential_path
+              }
+            }
+          }
+
+          if (extracted_filename) {
+            const { workspace_name, relative_path } =
+              extract_workspace_and_path(
+                extracted_filename,
+                params.is_single_root_folder_workspace
+              )
+            current_file_name = relative_path
+            if (workspace_name) {
+              current_workspace_name = workspace_name
+            }
+
+            // Don't include the filename line in content
+            is_first_content_line = false
+            continue
+          }
+
           if (trimmed_line.startsWith('<?php')) {
             if (current_content) {
               current_content += '\n' + line

packages/vscode/src/commands/apply-chat-response-command/utils/clipboard-parser/test-cases/html-comment-in-markdown-heading/file-1.txt

@@ -0,0 +1 @@
+# Hello World!

packages/vscode/src/commands/apply-chat-response-command/utils/clipboard-parser/test-cases/html-comment-in-markdown-heading/html-comment-in-markdown-heading.txt

@@ -0,0 +1,4 @@
+```markdown
+# <!-- file:/README.md -->
+# Hello World!
+```