A Centralized System for Displaying and Stylizing Focus indicators Anywhere

A Centralized System for Displaying and Stylizing Focus indicators Anywhere

Focus Rings A centralized system for displaying and stylizing focus indicators anywhere on a webpage.

Focus Rings

A centralized system for displaying and stylizing focus indicators anywhere on a webpage.

a gif showing focus rings in action


When working on creating a complete keyboard navigation experience for Discord, we ran into a number of problems with rendering clean and consistent focus rings and were unable to find any suitable native alternatives. After a lot of trial and error, we landed on this system as a way to meet all of our needs. You can read more about the process we went through in this blog post.


This package is published under react-focus-rings and can be installed with any npm-compatible package manager.


This library is composed of two components: FocusRing and FocusRingScope.


FocusRingScope is responsible for providing a frame of reference for calculating the position of any FocusRing instances it contains. The containerRef prop takes a React.Ref that references the DOM element that should be used for these position calculations. You'll want to include a FocusRingScope instance at the top level of your application. If a component creates a new scroll container, or is absolutely positioned within the viewport, you should add a new FocusRingScope.

function ScopeExample() {
  const containerRef = React.useRef<HTMLDivElement>(null);
  return (
    <div ref={containerRef} id="main">
      <FocusRingScope containerRef={containerRef}>
       {/* ... */}

Keep in mind that the element provided to containerRef must be styled with position: relative or else the alignment calculations will be incorrect. If you find that FocusRing isn't being rendered at all or its positioning is wrong, verify that you have a FocusRingScope in the correct places and that the containerRef element has the position: relative style.


The FocusRing is the main show. You can wrap any focusable element with a FocusRing and it will add the required focus/blur listeners and magically render the focus ring when the element receives focus. We recommend integrating this at the design primitive level, in custom components like Button or Link, so you get the focus ring behavior across your application with minimal effort.

function Button(props: ButtonProps) {
  return (
      <button {...props} />

FocusRing has a few props you can use to get the right behavior and alignment. If using TypeScript the type is exported as FocusRingProps

import {FocusRingProps} from 'react-focus-rings'
  • within - acts like :focus-within and will render the focus ring if any descendant is focused
  • enabled - controls whether the FocusRing is being rendered
  • focused - controls the focused state
  • offset - lets you adjust the alignment of the focus ring, relative to the focused element. Can be a number or Offset object
  • focusTarget - lets you choose a different element to act as the focus target for the ring. Must be used with ringTarget.
  • ringTarget - lets you choose a different element to render the ring around. Must be used with focusTarget.
  • focusWithinClassName - lets you apply a CSS class to the focused element when a descendant is focused. Like :focus-within.

Default Styling

The focus ring also relies on some default CSS styles in order to render properly. To make this work in your project, be sure to import the styles separately somwhere within your app with import "focus-rings/src/styles.css";.


A complete, minimal example might look like this:

import * as React from "react";
import ReactDOM from "react-dom";

import { FocusRing, FocusRingScope } from "react-focus-rings";
import "focus-rings/src/styles.css";

function App() {
  const containerRef = React.useRef<HTMLDivElement>(null);
  return (
    <div className="app-container" ref={containerRef}>
      <FocusRingScope containerRef={containerRef}>
        <div className="content">
          <p>Here's a paragraph with some text.</p>
          <FocusRing offset={-2}>
            <button onClick={console.log}>Click Me</button>
          <p>Here's another paragraph with more text.</p>

ReactDOM.render(<App />, document.body);

You can find a more complete example in the examples directory of this repository. You can find a hosted version of the example application here.

Download Details:

Author: discord

Source Code: https://github.com/discord/focus-rings

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