unpoly-lsp

A Language Server Protocol (LSP) implementation for Unpoly.js Version 3.11.

Demo

LSP Specification

• Uses LSP 3.18

Supported Languages

• HTML
• Templ (Templ)
• ERB (Ruby on Rails)

Additional language support can be requested. They are configured by the client.

Features

✅ Hover Documentation – Displays documentation on hover

✅ Auto-completion – Provides intelligent suggestions

Installation

Prerequisites

• Install Go 1.25+.
• Run go install github.com/o-richard/unpoly-lsp@latest and ensure unpoly-lsp is discoverable in your system path. Refer to the Go installation guide for details.

VSCode Setup

1. Ensure the command in src/extensions.ts matches the expected binary name. Modify if necessary.
2. Navigate to editors/vscode and install dependencies:

   npm install
   npm install -g vsce

3. Package the extension:

   vsce package

4. Install the generated .vsix file via VSCode/VSCodium’s Extensions page.

Neovim Setup

Installing and configuring the Unpoly LSP is no different to setting up any other Language Server. Use your preferred LSP client.