Config for Biome

By igorskyflyer (Igor Dimitrijević)

👽 An opinionated config for Biome to be used in JavaScript, TypeScript, JSX, TSX and any JavaScript-related projects. 🐺

📃 Table of Contents

• Features
• Usage
• Changelog
• Support
• License
• Related
• Author

🤖 Features

• ✅ Strict linting rules for correctness, performance, and style
• 🔄 Auto-import organization to maintain clean module structure
• 🎨 Custom formatting for JSON & JavaScript/TypeScript with single quotes, LF endings, and space indentation
• 🧠 Complexity warnings to reduce cognitive overload and improve logic clarity
• ⚡ Performance-focused rules blocking barrel files and re-export-all patterns
• 📁 Enforced filenaming conventions with strict casing and ASCII requirements
• 🛡️ Suspicious behavior checks including console usage, overload signatures, and error messaging
• ✒️ Mo trailing commas or unnecessary semicolons for cleaner output
• 🧹 Catches unused imports, variables, and class members before they clutter your codebase
• 🔍 Supports adjacent overloads & explicit length checks for precise design patterns

🕵🏼 Usage

Install it by executing any of the following, depending on your preferred package manager:

pnpm add -D @igorskyflyer/biome-config

yarn add -D @igorskyflyer/biome-config

npm i -D @igorskyflyer/biome-config

then extend the project's biome.json file from it, i.e.:

biome.json

{
  "$schema": "https://biomejs.dev/schemas/2.2.2/schema.json",
  "extends": ["@igorskyflyer/biome-config"]

  // Additional project-specific configuration
}

📝 Changelog

📑 The changelog is available here, CHANGELOG.md.

🪪 License

Licensed under the MIT license which is available here, MIT license.

💖 Support

I work hard for every project, including this one and your support means a lot to me!
Consider buying me a coffee. ☕



Thank you for supporting my efforts! 🙏😊

🧬 Related

@igorskyflyer/zing

🐌 Zing is a C# style String formatter for JavaScript that empowers Strings with positional arguments - composite formatting. 🚀

@igorskyflyer/comment-it

📜 Formats the provided string as a comment, either a single or a multi line comment for the given programming language. 💻

@igorskyflyer/my-file-path

🌟 An npm module that strongly types file paths! 🥊

@igorskyflyer/simple-exec

🕺 Command. Execution. Made. Simple. ▶

@igorskyflyer/astro-easynav-button

🧭 Add an easy-to-use navigational button (jump to top/bottom) to your Astro site. 🔼

👨🏻‍💻 Author

Created by Igor Dimitrijević (@igorskyflyer).

📒 Changelog

of @igorskyflyer/biome-config

v2.1.0 (28-Aug-2025)

• 💻 dev: upgrade to Biome v2.2.2

v2.0.1 (19-Jul-2025)

✅ fix: fix CHANGELOG and README

v2.0.0 (19-Jul-2025)

• ❌ BREAKING: upgrade to Biome v.2.0.0

v1.0.3 (31-Jul-2024)

• ✅ fix: set formatWithErrors to true

v1.0.2 (30-Jul-2024)

• ✅ fix: set level of noExcessiveCognitiveComplexity to warn

v1.0.1 (29-Jul-2024)

• ✅ fix: set level of useTopLevelRegex to warn
• ✅ fix: set level of noExplicitAny to info

v1.0.0 (28-Jul-2024)

• 🚀 launch: initial release 🎉