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React best practices

Source-linked guidance on React fundamentals: rules of Hooks, avoiding unnecessary Effects, state structure, key-based state reset, and pure rendering. Scoped to React itself; not a framework-specific corpus.

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Showing 1–5 of 5 documents

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Choosing the State Structure

Five principles guide state structure, all aimed at making state easy to update without introducing mistakes. Group related state: if two or more state variables always update at…

v1

Keeping Components Pure

React assumes every component you write is a pure function, which means two things: it minds its own business, not changing any objects or variables that existed before it was…

v1

Preserving and Resetting State

State is isolated between components and is tied to a position in the render tree: React associates each piece of state with a component by where that component sits in the tree,…

v1

Rules of Hooks

Functions whose names start with use are Hooks, and two rules govern where they may be called. First, only call Hooks at the top level of a React function, before any early…

v1

You Might Not Need an Effect

Effects are an escape hatch from the React paradigm for synchronizing a component with an external system such as a non-React widget, the network, or the browser DOM; when no…

v1

Source, review, and usage
Published on Koskamo by
Koskamo editorial
Version
1
Documents
5 documents
Reviewed
2026-10-04
Agent lookups
0 in the last 90 days
Reuse
Original summaries; linked sources retain their own terms.
Review status
Maintained with the application; source links supplied

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

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