n8n-nodes-markdown-code-block-parser

n8n community node to parse all code blocks from Markdown text.

Features

• Parse all code blocks from Markdown text
• Extract code content, language identifier, line numbers, and fence type
• Support both ``` and ~~~ fence types
• Filter options for empty blocks and blocks without language

Installation

npm install n8n-nodes-markdown-code-block-parser

Usage

1. Add the "Markdown Code Block Parser" node to your workflow
2. Enter or paste your Markdown text in the "Markdown Text" field
3. Configure output options:
   • Output Field Name: Name of the output field (default: codeBlocks)
   • Include Empty Blocks: Whether to include empty code blocks
   • Include Blocks Without Language: Whether to include code blocks without language identifier

Output

The node outputs an array of code blocks, each containing:

• code: The code content
• language: Language identifier (e.g., javascript, python) or null
• index: Index in the document (0-based)
• fence: Fence type used (``` or ~~~)
• startLine: Starting line number in the original Markdown
• endLine: Ending line number in the original Markdown

Example

Input Markdown:

# Example

```javascript
console.log('Hello');
```

```python
print('World')
```

Output:

{
  "codeBlocks": [
    {
      "code": "console.log('Hello');",
      "language": "javascript",
      "index": 0,
      "fence": "```",
      "startLine": 3,
      "endLine": 5
    },
    {
      "code": "print('World')",
      "language": "python",
      "index": 1,
      "fence": "```",
      "startLine": 7,
      "endLine": 9
    }
  ]
}

License

MIT