@itcode-dev/biome-config

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Shared Biome configuration presets for itcode.dev projects. Every rule in the preset is annotated with a comment explaining why it's turned on, off, or tuned the way it is, so the config doubles as documentation.

Note

• This configuration is built around fairly personal preferences, so some parts of it don't align with common/universal conventions.
• Every option is explicitly specified rather than left to defaults, which makes the configuration somewhat rigid.
• It was primarily developed for reuse across the author's own personal projects.

Installation

pnpm add -D @itcode-dev/biome-config @biomejs/biome

npm install -D @itcode-dev/biome-config @biomejs/biome

Usage

Extend the preset from your project's biome.jsonc:

{
	"$schema": "https://biomejs.dev/schemas/2.5.2/schema.json",
	"extends": ["@itcode-dev/biome-config"]
}

Available presets

Export	Biome version	Description
@itcode-dev/biome-config	latest	Tracks the newest supported Biome release. Rules move as Biome's own categories change (e.g. nursery rules get promoted or removed).
@itcode-dev/biome-config/2.4	2.4.x	Frozen preset matching the Biome 2.4 rule schema.
@itcode-dev/biome-config/2.2.0	2.2.x	Frozen preset matching the Biome 2.2 rule schema.

Pick a frozen (/2.x) export if you want your lint rules to stay stable across Biome upgrades instead of shifting every time @itcode-dev/biome-config is updated to track a newer Biome release.

nursery rules

Biome's nursery category holds experimental rules that get renamed, promoted to a stable category, or removed between releases. That churn can break your config the moment either Biome or this package is upgraded. If you'd rather not deal with that, use the no-nursery variant of any preset above, which disables the entire nursery category:

{
	"$schema": "https://biomejs.dev/schemas/2.5.2/schema.json",
	"extends": ["@itcode-dev/biome-config/no-nursery"]
}

Every preset has a matching no-nursery export: @itcode-dev/biome-config/no-nursery, @itcode-dev/biome-config/2.4/no-nursery, @itcode-dev/biome-config/2.2.0/no-nursery.

Conventions

• Indentation: tabs (width 4)
• Line width: 128
• Line endings: LF
• Quotes: single quotes in JS/TS, double quotes in JSX and CSS
• Semicolons: always
• Trailing commas: none

These and every linter rule can be overridden in your own biome.jsonc after extending this preset.

Compatibility

This package requires @biomejs/biome ^2.2.0 or later as a peer dependency. Match the preset you extend from to the Biome version installed in your project (see the table above).

License

Apache-2.0