react-debounce-render

react-debounce-render is a Higher Order Component that wraps your react components and debounces their rendering.

This method can be used to prevent extra renders when a react component rapidly receives new props by delaying the triggering of the render until updates become less frequent. Doing so will improve the overall rendering time of the application, thus improve the user experience. It uses lodash debounce under the hood.

Rationale:

Sometimes it's difficult, impractical or impossible to batch props updates before they're passed down to a react component, resulting in a react component being rendered too often while only the last props update might have been useful and should have triggered a rendering of the component. In these cases, debouncing the rendering of a react component may be the only solution to improve performance.

react-debounce-render is a react component that will wrap any of your react components, persist the last props update that was received while discarding the previous ones, and only rendering the wrapped component when no new updates has been received in the last few milliseconds by default. Since the debounce function used under the hood is lodash's debounce, you may also pass in a few options such as the number of milliseconds to delay the render by, a maximum delay, or whether to call render on a leading or trailing edge of the timeout.

Usage:

Default usage:

import debounceRender from 'react-debounce-render';

const debouncedMyReactComponent = debounceRender(MyReactComponent);

// do whatever you want with the debounced component such as connecting to a redux store:
connect(state => {
    myProp: (state) => getProp(state)
})(debouncedMyReactComponent);

With options:

See lodash debounce for all options. Debounce render takes its parameters similarily to lodash debounce:

import debounceRender from 'react-debounce-render';

const debouncedMyReactComponent = debounceRender(MyReactComponent, 100, { leading: false });

Changelog

4.0.1 - APRIL 3 2018

• Ensure that debounce is properly canceled when the component is unmounted which removes the "Warning: Can only update a mounted or mounting component." warning. Resolves Issue #5. Thanks @mjhm for the fix.

4.0.0 - NOVEMBER 20 2017

• Move react to the peerDependencies in package.json and accept major versions greater than 15. Resolves Issue #4. Thanks @TheSharpieOne for raising the issue.

3.0.0 - AUGUST 16 2017

• import debounceRender from 'react-debounce-render' should now consistently work. See Issue #2. Thanks @CameronAckermanSEL for raising the issue. As a result, using a destructuring assignment in the import statement (import { debounceRender } from 'react-debounce-render'') shouldn't accidentally work anymore which is a potential breaking change.

2.0.0 - JULY 31 2017

• Module isn't built as standalone before being published to npm, resulting in a cleaner and lighter package. Also removes non lib related files from the package. See PR #1. Thanks @wbazant for the contribution.

1.0.0 - JUNE 25 2017

• debounces a React component's render method()
• includes e2e tests and documentation