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

`bash
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:
```markdown

Example

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

`python
print('World')
`
``

Output:
`json
{
"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