Biome

Biome extension provides support for the Biome in Nova.
It uses biome lsp-proxy as LSP server

Format code like Prettier, save time
- Biome is a fast formatter for JavaScript, TypeScript, JSX, TSX, JSON, CSS and GraphQL that scores 97% compatibility with Prettier, saving CI and developer time.

Fix problems, learn best practice
- Biome is a performant linter for JavaScript, TypeScript, JSX, CSS and GraphQL that features 315 rules from ESLint, TypeScript ESLint, and other sources.

Prequesites

Install Biome

brew install biome

Supports

• Diagnostics
• Code Actions
• Format on Save (disabled by default)

Settings

Go to Extensions -> Extension Library... -> Biome -> Settings

Biome path

Default value: /opt/homebrew/bin/biome
Change it if you installed biome without brew

Format on Save

Enables/Disables autoformat on save using biome

Syntaxes

Currently included syntaxes: astro, css, graphql, javascript, javascriptreact, json, jsonc, jsx, svelte, typescript, typescript.tsx, typescriptreact, tsx, vue

Configuration files

The Biome extension watches changes in biome.json, biome.jsonc, .editorconfig and rome.json and restarts the LSP server to immediately reflect changes on diagnostics/formatting behavior

Example config

biome.json

{
  "formatter": {
    "enabled": true,
    "formatWithErrors": false,
    "indentStyle": "space",
    "indentWidth": 2,
    "lineEnding": "lf",
    "lineWidth": 80,
    "attributePosition": "auto"
  },
  "organizeImports": {
    "enabled": true
  },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": true
    }
  },
  "javascript": {
    "formatter": {
      "jsxQuoteStyle": "double",
      "quoteProperties": "asNeeded",
      "trailingCommas": "all",
      "semicolons": "asNeeded",
      "arrowParentheses": "always",
      "bracketSpacing": true,
      "bracketSameLine": false,
      "quoteStyle": "single",
      "attributePosition": "auto"
    }
  },
  "overrides": [
    {
      "include": ["*.json"],
      "formatter": {
        "indentWidth": 2
      }
    }
  ]
}

Version 0.0.3

Add the ability to manually start/restart and stop the LSP client
- Extensions -> Biome -> Start or Restart LSP
- Extensions -> Biome -> Stop LSP

Version 0.0.2

Add support for jsx and tsx syntaxes

Version 0.0.1

Initial release

MIT License

Copyright (c) 2025 Ihar Biaspalau

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.