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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import React, { Component } from "react"; import styled from "@emotion/styled"; const ErrorMessage = styled("div")` color: #ce1126; background-color: rgba(206, 17, 38, 0.05); padding: 0.5rem; `; interface ErrorBoundaryProps { children: any; } interface ErrorBoundaryState { error: any; errorInfo: any; } class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> { state: ErrorBoundaryState = { error: null, errorInfo: null, }; componentDidCatch(error, errorInfo) { // Catch errors in any components below and re-render with error message this.setState({ error: error, errorInfo: errorInfo, }); } render() { if (this.state.errorInfo) { // Error path const moduleName = this.state.errorInfo.componentStack.split("\n").reduce((result, curr) => { return !result && curr ? curr.trim() : result; }); return ( <ErrorMessage> <h2>An error occurred {moduleName}</h2> <details style={{ whiteSpace: "pre-wrap" }}> {this.state.error && this.state.error.toString()} <br /> {this.state.errorInfo.componentStack} </details> </ErrorMessage> ); } // Normally, just render children return this.props.children; } } export default ErrorBoundary; |