YANG Language Support

v0.0.2 · by Sergei Proniakin · added 3 November 2026

This extension provides syntax highlighting and LSP support for YANG language in Zed editor.

LanguagesLanguage servers

How to install

With Forge Super installed, the button above opens the app on this extension, where you press Install. Nothing is installed until you do.

You can also open the Extensions panel in the app and search for YANG Language Support. The extension's id is yang.

Don't have Forge Super yet? Download it here.

README

From the extension's repository, written by its authors and not by Mentenaz. See the source.

YANG language support for Zed

Full YANG language support for the Zed IDE.

Features

Syntax highlighting using tree-sitter-yang.
Language Server Protocol (LSP) using yang-lsp.
- Code completion
- Diagnostics and validation
- Go to definition
- Find references
- Hover documentation

Requirements

Java Runtime - yang-lsp requires Java to run.
- macOS: brew install openjdk
- Ubuntu/Debian: sudo apt install default-jdk
- RHEL/CentOS: sudo yum install java-11-openjdk

The language server is automatically downloaded on first use.

Configuration

Configure yang-lsp through Zed's settings (~/.config/zed/settings.json or .zed/settings.json in your project):

{
  "lsp": {
    "yang-lsp": {
      "settings": {
        "excludePath": "build:bin",
        "yangPath": "/path/to/yang/libs",
        "diagnostic": {
          "xpath-linking-error": "ignore",
          "missing-revision": "warning"
        }
      }
    }
  }
}

Available Settings

Setting	Description
`excludePath`	Colon-separated paths to exclude from indexing (e.g., `"build:bin"`)
`yangPath`	Path to external YANG libraries (files, directories, or ZIP files)
`yangPathIgnore`	Paths to ignore within `yangPath`
`code-lens-enabled`	Enable/disable code lens (`"on"` or `"off"`)
`diagnostic`	Object mapping diagnostic codes to severities (`"error"`, `"warning"`, `"ignore"`)

You can also create a yang.settings file in your project root for project-specific configuration.

Credits

tree-sitter-yang - Grammar for syntax highlighting. All grammar credits go to the original authors.
yang-lsp - Language server by TypeFox.