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React 19+ · Module

React Compiler

React Compiler is a build-time tool that automatically adds memoization to React components and hooks. It can reduce unnecessary re-renders and repeated expensive calculations, so new code often needs less manual useMemo, useCallback, or React.memo.

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Syntax

npm install -D babel-plugin-react-compiler@latest

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • useMemo
  • useCallback
  • React.memo
  • Rules of React
  • use no memo
  • eslint-plugin-react-hooks
  • React DevTools

Source: Introduction – React. Checked 2026-11-03.