# react-error-boundary Reusable React [error boundary](https://react.dev/reference/react/Component#catching-rendering-errors-with-an-error-boundary) component. Supports all React renderers (including React DOM and React Native). ### If you like this project, 🎉 [become a sponsor](https://github.com/sponsors/bvaughn/) or ☕ [buy me a coffee](http://givebrian.coffee/) ## Getting started ```sh # npm npm install react-error-boundary # pnpm pnpm add react-error-boundary # yarn yarn add react-error-boundary ``` ## API ### `ErrorBoundary` component Wrap an `ErrorBoundary` component around other React components to "catch" errors and render a fallback UI. The component supports several ways to render a fallback (as shown below). > **Note** `ErrorBoundary` is a _client_ component. You can only pass props to it that are serializeable or use it in files that have a `"use client";` directive. #### `ErrorBoundary` with `fallback` prop The simplest way to render a default "something went wrong" type of error message. ```js "use client"; import { ErrorBoundary } from "react-error-boundary"; Something went wrong}> ``` #### `ErrorBoundary` with `fallbackRender` prop ["Render prop"](https://react.dev/reference/react/Children#calling-a-render-prop-to-customize-rendering) function responsible for returning a fallback UI based on a thrown value. ```js "use client"; import { ErrorBoundary } from "react-error-boundary"; function fallbackRender({ error, resetErrorBoundary }) { // Call resetErrorBoundary() to reset the error boundary and retry the render. return (

Something went wrong:

{error.message}

); } { // Reset the state of your app so the error doesn't happen again }} > ; ``` #### `ErrorBoundary` with `FallbackComponent` prop React component responsible for returning a fallback UI based on a thrown value. ```js "use client"; import { ErrorBoundary } from "react-error-boundary"; function Fallback({ error, resetErrorBoundary }) { // Call resetErrorBoundary() to reset the error boundary and retry the render. return (

Something went wrong:

{error.message}

); } { // Reset the state of your app so the error doesn't happen again }} > ; ``` #### Logging errors with `onError` ```js "use client"; import { ErrorBoundary } from "react-error-boundary"; const logError = (error: Error, info: { componentStack: string }) => { // Do something with the error, e.g. log to an external API }; const ui = ( ); ``` ### `useErrorBoundary` hook Convenience hook for imperatively showing or dismissing error boundaries. #### Show the nearest error boundary from an event handler React only handles errors thrown during render or during component lifecycle methods (e.g. effects and did-mount/did-update). Errors thrown in event handlers, or after async code has run, will not be caught. This hook can be used to pass those errors to the nearest error boundary: ```js "use client"; import { useErrorBoundary } from "react-error-boundary"; function Example() { const { showBoundary } = useErrorBoundary(); useEffect(() => { fetchGreeting(name).then( response => { // Set data in state and re-render }, error => { // Show error boundary showBoundary(error); } ); }); // Render ... } ``` #### Dismiss the nearest error boundary A fallback component can use this hook to request the nearest error boundary retry the render that originally failed. ```js "use client"; import { useErrorBoundary } from "react-error-boundary"; function ErrorFallback({ error }) { const { resetBoundary } = useErrorBoundary(); return (

Something went wrong:

{error.message}

); } ``` ### `withErrorBoundary` HOC This package can also be used as a [higher-order component](https://legacy.reactjs.org/docs/higher-order-components.html) that accepts all of the same props as above: ```js "use client"; import {withErrorBoundary} from 'react-error-boundary' const ComponentWithErrorBoundary = withErrorBoundary(ExampleComponent, { fallback:

Something went wrong

, onError(error, info) { // Do something with the error // E.g. log to an error logging client here }, }) // Can be rendered as ``` --- # FAQ ## `ErrorBoundary` cannot be used as a JSX component This error can be caused by a version mismatch between [react](https://npmjs.com/package/react) and [@types/react](https://npmjs.com/package/@types/react). To fix this, ensure that both match exactly, e.g.: If using NPM: ```json { ... "overrides": { "@types/react": "17.0.60" }, ... } ``` If using Yarn: ```json { ... "resolutions": { "@types/react": "17.0.60" }, ... } ``` --- [This blog post](https://kentcdodds.com/blog/use-react-error-boundary-to-handle-errors-in-react) shows more examples of how this package can be used, although it was written for the [version 3 API](https://github.com/bvaughn/react-error-boundary/releases/tag/v3.1.4).

npm包名稱	下载量	Stars	大小	问题	发布时间	开源协议

react-error-overlay	4,512,250	102,352	385 kB	2,229	-	MIT
react-error-boundary	4,461,540	6,741	32.8 kB	3	5 个月前	MIT