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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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