Bloblang Language Server

Bloblang language support for Visual Studio Code, powered by bloblang-lsp.

Features

• Intelligent Code Completion — Auto-complete Bloblang functions and methods with contextual awareness

  • Function completions triggered after operators like =, (, {, [, |, ;
  • Method completions triggered after . (e.g., this.foo.bar.)
  • Named-argument variants for functions/methods with optional parameters
  • Visual status indicators: [β] beta, [⚗] experimental, [⚠] deprecated

• Rich Hover Documentation — Detailed Markdown documentation on hover

  • Function/method signatures with parameter types
  • Status badges and deprecation warnings
  • Inline examples with input/output tables
  • Links to official Redpanda documentation

• Real-time Diagnostics — Live error detection and validation

  • Parse error reporting with line/character positioning
  • Custom import resolution for import "./maps.blobl" statements
  • Diagnostics published via LSP textDocument/publishDiagnostics

• Snippet Support — Tab-stop placeholders for rapid coding

  • Positional arguments for required parameters
  • Named arguments for optional parameters
  • Smart defaults (e.g., 0 for numbers, [] for arrays)

Usage

The language server binary is downloaded automatically on first activation. No manual setup required.

To manually restart the server: open the Command Palette (Ctrl+Shift+P) and run Bloblang: Restart Language Server.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.

License

MIT

Acknowledgments

• Redpanda Data for the excellent Bloblang language and documentation
• The Language Server Protocol team at Microsoft