@react-aria/utils

What is @react-aria/utils?

The @react-aria/utils package provides a collection of utility functions that help in managing accessibility concerns in React applications. These utilities assist in handling keyboard, focus, and selection behaviors, making it easier to build accessible UI components.

What are @react-aria/utils's main functionalities?

Focus Management

This feature allows you to focus an element without causing the browser to scroll to it, which can be useful in maintaining the user's scroll position while programmatically moving focus.

import { focusWithoutScrolling } from '@react-aria/utils';

function handleFocus(element) {
  focusWithoutScrolling(element);
}

Keyboard Event Handling

This utility helps in filtering out non-DOM properties from props, ensuring that only valid HTML attributes are passed to the DOM element, thus preventing React warnings and improving HTML output.

import { filterDOMProps } from '@react-aria/utils';

function Button(props) {
  return <button {...filterDOMProps(props)}>Click me</button>;
}

Merge Props

Merge props from different sources, typically used to combine default and user-provided props in a component. It ensures that event handlers and other attributes are correctly combined and overridden if necessary.

import { mergeProps } from '@react-aria/utils';

function mergeComponentProps(userProps, defaultProps) {
  return mergeProps(defaultProps, userProps);
}

Other packages similar to @react-aria/utils

downshift

Downshift is a library that provides primitives to build simple, flexible, WAI-ARIA compliant enhanced input React components. Its focus on accessibility and functionality related to dropdowns and comboboxes makes it similar but more specialized compared to the broad utility focus of @react-aria/utils.

react-focus-lock

React-focus-lock provides a robust solution for trapping focus within a DOM node, which is crucial for building accessible modal dialogs. While it focuses specifically on focus management, @react-aria/utils offers this alongside other utilities, making it more versatile.

README

@react-aria/utils

This package is part of react-spectrum. See the repo for more details.