Will It Vibe?Oversized component file
Part of Architecture & Best Practices, which counts for 15% of the overall score. When this check fires it deducts 8 points from that category, once per scan, no matter how many places it turns up.
What it detects
A React source file over 300 lines usually packs several responsibilities into one component, which makes it hard to test, reuse, and reason about re-renders. Split it into smaller components and hooks.
Why it matters
A React file well over 300 lines almost always mixes several concerns: data fetching, business logic, and a large render tree in one place. Big components are hard to test in isolation, hard to reuse, and hard to reason about for re-render behavior, so bugs hide in them and changes are risky. Note that line count is a proxy for complexity, not a defect on its own.
How to fix it
Break the component into smaller focused components and extract reusable logic into custom hooks. Move data fetching and heavy logic out of the render tree. Aim for components that do one thing and can be tested and understood on their own.
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