setup-biome
Install Biome linter with Ultracite preset, create biome.jsonc config, and configure Claude Code Stop hook for auto-fix before finishing. Use when setting up linting, formatting, Biome, Ultracite, or code quality enforcement.
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- Repository
- redpanda-data/ui-harness
- Last source activity
- May 8, 2026 at 11:21
- Detected SKILL.md language
- English
- Stars
- 34
- Forks
- 4
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Source instructions · Read-only preview- name
- setup-biome
- description
- Install Biome linter with Ultracite preset, create biome.jsonc config, and configure Claude Code Stop hook for auto-fix before finishing. Use when setting up linting, formatting, Biome, Ultracite, or code quality enforcement.
# Setup Biome + Ultracite
- **Biome** linter/formatter + **Ultracite** opinionated preset
- Stop hook auto-fix lint/format on changed JS/TS files (skip `noUnusedImports`, avoid deletion loops)
- Strict: `noConsole`, cognitive complexity 15, `noDeprecatedImports`, restricted imports (moment/lodash/classnames/mobx/yup)
## Steps
### 1. Install
```bash
bun add -D @biomejs/biome ultracite --yarn
```
### 2. Create `biome.jsonc`
From [REFERENCE.md](REFERENCE.md). Extend `ultracite/biome/core` + `ultracite/biome/react`. VCS git on. Test files re-enable `noExplicitAny`.
### 3. Package.json scripts
```json
{
"scripts": {
"lint": "biome check .",
"lint:fix": "biome check --write .",
"lint:file": "biome check",
"lint:fix:file": "biome check --write"
}
}
```
### 4. Hook
Copy `scripts/biome-autofix.sh` -> `.claude/hooks/`. `chmod +x`. Add to Stop.
### 5. Verify
- [ ] `bun run lint` + `bun run lint:fix` work
- [ ] Hook executable + configured
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