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/*
* SonarQube
* Copyright (C) 2009-2022 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import * as React from 'react';
import { Alert } from '../components/ui/Alert';
import { IS_SSR } from '../helpers/browser';
import { translate } from '../helpers/l10n';
import { requestTryAndRepeatUntil } from '../helpers/request';
export function lazyLoadComponent<T extends React.ComponentType<any>>(
factory: () => Promise<{ default: T }>,
displayName?: string
) {
const LazyComponent = React.lazy(() =>
requestTryAndRepeatUntil(factory, { max: 2, slowThreshold: 2 }, () => true)
);
function LazyComponentWrapper(props: React.ComponentProps<T>) {
if (IS_SSR) {
return null;
}
return (
<LazyErrorBoundary>
<React.Suspense fallback={null}>
<LazyComponent {...props} />
</React.Suspense>
</LazyErrorBoundary>
);
}
LazyComponentWrapper.displayName = displayName;
return LazyComponentWrapper;
}
interface ErrorBoundaryProps {
children: React.ReactNode;
}
interface ErrorBoundaryState {
hasError: boolean;
}
export class LazyErrorBoundary extends React.Component<ErrorBoundaryProps, ErrorBoundaryState> {
state: ErrorBoundaryState = { hasError: false };
static getDerivedStateFromError() {
// Update state so the next render will show the fallback UI.
return { hasError: true };
}
render() {
if (this.state.hasError) {
return <Alert variant="error">{translate('default_error_message')}</Alert>;
}
return this.props.children;
}
}
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