Knip

Finds unused files, dependencies, and exports in TypeScript/JavaScript projects.

Usage

bunx knip # Analyze project bunx knip --production # Production only (no tests, devDeps) bunx knip --strict # Direct dependencies only bunx knip --fix # Auto-remove unused (use cautiously) bunx knip --include files # Only unused files bunx knip --include exports # Only unused exports bunx knip --include dependencies # Only unused deps

Output Formats

bunx knip --reporter compact # Compact output bunx knip --reporter json # JSON for tooling bunx knip --reporter github-actions # CI annotations

Filtering

bunx knip --workspace packages/client # Specific workspace bunx knip --exclude "test/**/*" # Exclude patterns

Debugging

bunx knip --debug # Debug output bunx knip --trace-file src/utils.ts # Trace file bunx knip --trace-export myFunction # Trace export

Configuration

Configure via .knip.json or knip.config.js for custom entry points and exclusions.

Related Skills

• maintenance: Refactoring and technical debt management

• jscpd: Find duplicate code blocks

• bun: Package management for JS/TS projects