prometheus/web/ui/react-app/src/App.tsx

123 lines
3.7 KiB
TypeScript
Executable File

import React, { FC } from 'react';
import Navigation from './Navbar';
import { Container } from 'reactstrap';
import { BrowserRouter as Router, Redirect, Switch, Route } from 'react-router-dom';
import {
AgentPage,
AlertsPage,
ConfigPage,
FlagsPage,
RulesPage,
ServiceDiscoveryPage,
StatusPage,
TargetsPage,
TSDBStatusPage,
PanelListPage,
} from './pages';
import { PathPrefixContext } from './contexts/PathPrefixContext';
import { ThemeContext, themeName, themeSetting } from './contexts/ThemeContext';
import { Theme, themeLocalStorageKey } from './Theme';
import { useLocalStorage } from './hooks/useLocalStorage';
import useMedia from './hooks/useMedia';
interface AppProps {
consolesLink: string | null;
agentMode: boolean;
}
const App: FC<AppProps> = ({ consolesLink, agentMode }) => {
// This dynamically/generically determines the pathPrefix by stripping the first known
// endpoint suffix from the window location path. It works out of the box for both direct
// hosting and reverse proxy deployments with no additional configurations required.
let basePath = window.location.pathname;
const paths = [
'/agent',
'/graph',
'/alerts',
'/status',
'/tsdb-status',
'/flags',
'/config',
'/rules',
'/targets',
'/service-discovery',
];
if (basePath.endsWith('/')) {
basePath = basePath.slice(0, -1);
}
if (basePath.length > 1) {
for (let i = 0; i < paths.length; i++) {
if (basePath.endsWith(paths[i])) {
basePath = basePath.slice(0, basePath.length - paths[i].length);
break;
}
}
}
const [userTheme, setUserTheme] = useLocalStorage<themeSetting>(themeLocalStorageKey, 'auto');
const browserHasThemes = useMedia('(prefers-color-scheme)');
const browserWantsDarkTheme = useMedia('(prefers-color-scheme: dark)');
let theme: themeName;
if (userTheme !== 'auto') {
theme = userTheme;
} else {
theme = browserHasThemes ? (browserWantsDarkTheme ? 'dark' : 'light') : 'light';
}
return (
<ThemeContext.Provider
value={{ theme: theme, userPreference: userTheme, setTheme: (t: themeSetting) => setUserTheme(t) }}
>
<Theme />
<PathPrefixContext.Provider value={basePath}>
<Router basename={basePath}>
<Navigation consolesLink={consolesLink} agentMode={agentMode} />
<Container fluid style={{ paddingTop: 70 }}>
<Switch>
<Redirect exact from="/" to={agentMode ? '/agent' : '/graph'} />
{/*
NOTE: Any route added here needs to also be added to the list of
React-handled router paths ("reactRouterPaths") in /web/web.go.
*/}
<Route path="/agent">
<AgentPage />
</Route>
<Route path="/graph">
<PanelListPage />
</Route>
<Route path="/alerts">
<AlertsPage />
</Route>
<Route path="/config">
<ConfigPage />
</Route>
<Route path="/flags">
<FlagsPage />
</Route>
<Route path="/rules">
<RulesPage />
</Route>
<Route path="/service-discovery">
<ServiceDiscoveryPage />
</Route>
<Route path="/status">
<StatusPage agentMode={agentMode} />
</Route>
<Route path="/tsdb-status">
<TSDBStatusPage />
</Route>
<Route path="/targets">
<TargetsPage />
</Route>
</Switch>
</Container>
</Router>
</PathPrefixContext.Provider>
</ThemeContext.Provider>
);
};
export default App;