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import Logger from "../utils/logger";
import { Margins, React } from "../webpack/common";
import { ErrorCard } from "./ErrorCard";
interface Props {
fallback?: React.ComponentType<React.PropsWithChildren<{ error: any; message: string; stack: string; }>>;
onError?(error: Error, errorInfo: React.ErrorInfo): void;
}
const color = "#e78284";
const logger = new Logger("React ErrorBoundary", color);
const NO_ERROR = {};
export default class ErrorBoundary extends React.Component<React.PropsWithChildren<Props>> {
static wrap<T = any>(Component: React.ComponentType<T>): (props: T) => React.ReactElement {
return props => (
<ErrorBoundary>
<Component {...props as any/* I hate react typings ??? */} />
</ErrorBoundary>
);
}
state = {
error: NO_ERROR as any,
stack: "",
message: ""
};
static getDerivedStateFromError(error: any) {
let stack = error?.stack ?? "";
let message = error?.message || String(error);
if (error instanceof Error && stack) {
const eolIdx = stack.indexOf("\n");
if (eolIdx !== -1) {
message = stack.slice(0, eolIdx);
stack = stack.slice(eolIdx + 1).replace(/https:\/\/\S+\/assets\//g, "");
}
}
return { error, stack, message };
}
componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
this.props.onError?.(error, errorInfo);
logger.error("A component threw an Error\n", error);
logger.error("Component Stack", errorInfo.componentStack);
}
render() {
if (this.state.error === NO_ERROR) return this.props.children;
if (this.props.fallback)
return <this.props.fallback
children={this.props.children}
{...this.state}
/>;
return (
<ErrorCard style={{
overflow: "hidden",
}}>
<h1>Oh no!</h1>
<p>
An error occurred while rendering this Component. More info can be found below
and in your console.
</p>
<code>
{this.state.message}
{!!this.state.stack && (
<pre className={Margins.marginTop8}>
{this.state.stack}
</pre>
)}
</code>
</ErrorCard>
);
}
}
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