DeadCode

Detect and remove unused exports, dead routes, orphaned CSS, and unreferenced components in TypeScript/React/Next.js projects.

⭐ Star this repo if you care about bundle size — it helps other devs find DeadCode!

Why DeadCode? Every TypeScript/React codebase accumulates dead code — exports nobody imports, page components replaced but never deleted, CSS classes refactored out but still sitting in .module.css files. ESLint catches unused variables but misses the structural decay: orphaned exports bloat your bundles, stale routes confuse new teammates, and orphaned styles silently accumulate. DeadCode scans your entire project with full-project pattern analysis and reports exactly what's safe to remove — with a dry-run preview mode so you never delete something you need.

Quick Start

pip install deadcode

# Scan current project
deadcode scan

# Scan a specific project
deadcode scan -p /path/to/project

# Preview removable dead code
deadcode remove --dry-run

# Remove confirmed dead code
deadcode remove

Commands

deadcode scan

Scan a TypeScript/React/Next.js project for all categories of dead code.

deadcode scan                          # Scan current directory
deadcode scan -p /path/to/project      # Scan specific project
deadcode scan --json-output            # Machine-readable JSON
deadcode scan -c unused_export         # Filter by category
deadcode scan -i "generated/"          # Ignore paths

deadcode remove

Remove dead code after previewing. Always preview with --dry-run first.

deadcode remove --dry-run              # Preview changes (no writes)
deadcode remove                        # Apply removals
deadcode remove -c orphaned_css        # Remove only orphaned CSS

deadcode stats

Quick overview of dead code in your project.

deadcode stats

Categories

Category	Description	Example
unused_export	Exported names never imported elsewhere	export function oldHelper() with zero consumers
dead_route	Next.js routes with no internal links	app/legacy/page.tsx no longer linked from navigation
orphaned_css	CSS classes not referenced in JSX	.oldClass in styles.module.css with zero usages
unreferenced_component	React components defined but never imported	A <LegacyWidget> component with no import sites

Features

• Unused export detection — finds functions, types, classes, interfaces, enums, and consts that are exported but never imported within your project
• Dead route detection — detects unreachable page components in Next.js App Router projects
• Orphaned CSS detection — finds CSS module classes that are defined but never referenced in TSX/JSX files
• Safe auto-removal — --dry-run preview mode shows exactly what will be deleted before making changes
• Full-project AST analysis — regex-based scanning covers export/import patterns, route detection, CSS class usage, and component references across your entire codebase
• Monorepo support — handles large projects efficiently with ignore patterns
• CI integration — JSON output for automated pipelines and gating

Ignore Patterns

deadcode scan -i "generated/" -i "**/*.generated.ts"

Default ignores: node_modules/, .git/, .next/, dist/, build/, public/, static/

Pricing

DeadCode is one of eight tools in the Revenue Holdings suite. One license covers all CLI tools.

Plan	Price	Best For
Free	$0	Individual devs, OSS — CLI only, rate-limited
DeadCode Individual	$12/mo ($10 billed annually)	Professional devs — unlimited scans, auto-removal, CI integration
Suite (all 8 tools)	$49/mo ($39 billed annually)	Full Revenue Holdings toolkit — 40% savings
Team	$79/mo ($63 billed annually)	Up to 5 devs — trend analytics, shared baselines, alerts
Enterprise	Custom	SSO, RBAC, compliance reports, dedicated support

🔹 No lock-in: CLI works fully offline on the free tier — no telemetry, no phone-home. 🔹 Annual billing: Save 20%.

Per-Tier Features

Feature	Free	Individual	Suite	Team	Enterprise
CLI: scan, stats	✓	✓	✓	✓	✓
All 3 scanner categories	—	✓	✓	✓	✓
Auto-removal (deadcode remove)	—	✓	✓	✓	✓
Unlimited file scanning	—	✓	✓	✓	✓
CI/CD integration (JSON output)	—	✓	✓	✓	✓
Project trend baselines	—	—	—	✓	✓
Dashboard & analytics	—	—	—	✓	✓
Compliance reports	—	—	—	—	✓
RBAC / SSO / SAML / OIDC	—	—	—	—	✓
Priority support	Community	24h	24h	8h	Dedicated

---

_{Part of Revenue Holdings — CLI tools built by autonomous AI.}

CI/CD Integration

# Generate report for CI
deadcode scan --json-output > deadcode-report.json

# Fail CI if any dead routes found
deadcode scan -c dead_route --fail 1

# Fail CI if total findings exceed threshold
deadcode scan --fail 10

# Track dead code trends over time
deadcode scan --json-output > baseline-$(date +%Y-%m-%d).json

Configuration (.deadcode.yml)

Create a .deadcode.yml file in your project root:

# .deadcode.yml
ignore:
  - "generated/"
  - "**/*.generated.ts"
  - "src/legacy/"

categories:
  - unused_export
  - dead_route
  - orphaned_css
  - unreferenced_component

# Exit with code 1 if findings >= this number (for CI gating)
fail_threshold: 10

CLI flags override config file settings.

Storage

• .deadcode.yml — project configuration (ignore patterns, categories)
• deadcode-baseline.json — saved scan results for trend tracking

Roadmap

• VS Code extension with inline decorations showing dead code
• ESLint plugin integration with auto-fix
• Webpack/Rollup bundle analysis hooks
• MCP server for AI-assisted cleanup
• Incremental scanning with cache
• GitHub Actions annotator for PR comments

License

MIT — see LICENSE