Can You Catch All Errors Of A React.js App With A Try/catch Block?
Answer : React 16 introduced Error Boundaries and the componentDidCatch lifecycle method: class ErrorBoundary extends React.Component { constructor(props) { super(props); this.state = { hasError: false }; } componentDidCatch(error, info) { // Display fallback UI this.setState({ hasError: true }); // You can also log the error to an error reporting service logErrorToMyService(error, info); } render() { if (this.state.hasError) { // You can render any custom fallback UI return <h1>Something went wrong.</h1>; } return this.props.children; } } Then you can use it as a regular component: <ErrorBoundary> <MyWidget /> </ErrorBoundary> Or you can wrap your root component with the npm package react-error-boundary, and set a fallback component and behavior. import {ErrorBoundary} from 'react-error-boundary'; const myErrorHandler = (error: Error, componentStack: string) => { //