Using Herb with Helix

Integrate the Herb Language Server with Helix for HTML+ERB development.

Installation

First, install the Herb Language Server globally:

npm

npm install -g @herb-tools/language-server

yarn

yarn global add @herb-tools/language-server

pnpm

pnpm add -g @herb-tools/language-server

bun

bun add -g @herb-tools/language-server

Configuration

Configure Helix to use the Herb Language Server by adding the following to your ~/.config/helix/languages.toml:

~/.config/helix/languages.toml

[language-server.herb]
command = "herb-language-server"
args = ["--stdio"]

[[language]]
name = "erb"
language-servers = ["herb"]
file-types = ["erb", "html.erb"]
roots = ["Gemfile", "package.json"]

Troubleshooting

Debugging

To debug language server issues, you can:

1. Check Helix logs: hx -vvv to run Helix with verbose logging
2. View the log file: usually located at ~/.cache/helix/helix.log
3. Look for language server errors in the output

Additional Resources

• Helix Documentation
• Helix Language Configuration
• Herb Language Server Documentation