Language Server for JavaScript/TypeScript i18n libraries.

Provides IDE features (completion, hover, diagnostics, etc.) for translation keys in your i18n projects.

Editor Extensions

• VS Code: nabekou29/vscode-js-i18n
• Neovim: nabekou29/js-i18n.nvim

Installation

npm

npm install -g js-i18n-language-server

Cargo

cargo install --git https://github.com/nabekou29/js-i18n-language-server

Binary

Download from GitHub Releases.

Configuration

Create .js-i18n.json in your project root:

{
  "translationFiles": {
    "includePatterns": ["**/locales/**/*.json"]
  },
  "includePatterns": ["src/**/*.{ts,tsx,svelte,vue}"],
  "excludePatterns": ["node_modules/**"]
}

Documentation

• Configuration Reference - All configuration options
• LSP Features - Standard methods and custom commands

Supported Frameworks

• i18next / react-i18next
• next-intl
• svelte-i18n
• vue-i18n

License

MIT