Why keep React component nesting shallow?
Because deeply nested hierarchies are hard to follow and prop drilling becomes painful. If a component is six levels deep, consider flattening the structure or extracting a feature, so the code stays readable.
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More FAQs in React Component Hierarchy Best Practices for UI Projects
Pages at the top per route, feature components in the middle like Feed and ProfileCard, and reusable primitives like Button and Card at the bottom. Data flows down via props and events up via callbacks, in one direction.
Primitives are reusable presentational components like Button, Input, Card, and Avatar, used across features. Feature components like Feed and ChatWindow hold the logic for a specific feature area. Primitives are bottom, features are middle.
State that only one component needs stays local. State shared across siblings goes to the common parent. Do not lift everything to the top, which causes unnecessary re-renders across the tree.
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