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• Built for React and maintained by the rc-component team.
• Used by Ant Design and other React component libraries.
• Ships TypeScript declarations with both ES module and CommonJS outputs.
• Keeps examples, tests, and preview builds aligned with the package source.

This package was historically published as rc-util. Prefer the scoped package for new code.

npm install @rc-component/util

import {
  Portal,
  raf,
  useEvent,
  useLayoutEffect,
  warning,
} from '@rc-component/util';

Run the local dumi site:

npm install
npm start

Then open http://localhost:8000.

The package exposes small, focused helpers used across rc-component and Ant Design packages. Import the public entry when possible, and use subpath imports for specialized DOM, React, or test helpers.

Examples in docs/examples cover the commonly used subpath helpers.

npm install
npm start
npm test
npm run build

The dumi site runs at http://localhost:8000 by default.

npm run prepublishOnly

The release flow is handled by @rc-component/np through the rc-np command after the package build.

@rc-component/util is released under the MIT license.