react-doctor

Diagnostiquer et corriger les problèmes de santé d’une base de code React. À utiliser lors de la révision de code React, de la résolution de problèmes de performance, de l’audit de sécurité ou de l’amélioration de la qualité du code.

React Doctor

Scans your React codebase for security, performance, correctness, and architecture issues. Outputs a 0-100 score with actionable diagnostics.

Usage

npx -y react-doctor@latest . --verbose

Workflow

Run the command above at the project root
Read every diagnostic with file paths and line numbers
Fix issues starting with errors (highest severity)
Re-run to verify the score improved

Rules (47+)

Security: hardcoded secrets in client bundle, eval()
State & Effects: derived state in useEffect, missing cleanup, useState from props, cascading setState
Architecture: components inside components, giant components, inline render functions
Performance: layout property animations, transition-all, large blur values
Correctness: array index as key, conditional rendering bugs
Next.js: missing metadata, client-side fetching for server data, async client components
Bundle Size: barrel imports, full lodash, moment.js, missing code splitting
Server: missing auth in server actions, blocking without after()
Accessibility: missing prefers-reduced-motion
Dead Code: unused files, exports, types

Score

75+: Great
50-74: Needs work
0-49: Critical

React Doctor

Usage

Workflow

Rules (47+)

Score

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