Blending React Hooks with Class Components: Practical Patterns and Code

This article explains why mixing React Hooks with existing Class Components is often necessary, compares three integration techniques—Render Props, Higher‑Order Components, and Ref forwarding with useImperativeHandle—provides complete code examples for each, and discusses current Hook limitations and future support.

Class ComponentHigher-Order ComponentHooks

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Blending React Hooks with Class Components: Practical Patterns and Code

QQ Music Frontend Team

Oct 20, 2019 · Frontend Development

When Should You Use Class, Functional, or Pure Components in React?

This article explains the differences between React class components, functional (stateless) components, and PureComponent, shows their source code, discusses shallow equality checks, introduces the memo higher‑order component, and provides practical guidelines for choosing the right component type to improve performance.

Class ComponentFunctional ComponentPureComponent

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When Should You Use Class, Functional, or Pure Components in React?