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Apply rigorous coding standards. Use when writing, implementing, or reviewing code.
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React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
React useEffect best practices from official docs. Use when writing/reviewing useEffect, useState for derived values, data fetching, or state synchronization. Teaches when NOT to use Effect and better alternatives.
| name | rigorous-coding |
| description | Apply rigorous coding standards. Use when writing, implementing, or reviewing code. |
Do not write code before stating assumptions. Do not claim correctness you haven't verified. Do not handle only the happy path. Under what conditions does this work?
