Fix(FE): dark mode (#301)

* fix: fav icon is fixed and bootstrap is removed

* fix: return type is updated for the global time reducer

* fix: theme.css is replaced with .min.css

* update: useThemeSwitcher is removed from the graph component and value is grabed from the reducer

* update: instrumentation page is updated

* update: react-css-theme-switcher package is removed

* update: darkMode is updated

* fix: Sider component is updated

frontend/src/assets/index.css

@@ -1,5 +1,3 @@
-@import '~antd/dist/antd.dark.css';
-
 .ant-space-item {
 	margin-right: 0 !important;
 }

frontend/src/components/Graph/index.tsx

@@ -24,7 +24,9 @@ import chartjsAdapter from 'chartjs-adapter-date-fns';
 // import { colors } from 'lib/getRandomColor';
 // import stringToHTML from 'lib/stringToHTML';
 import React, { useCallback, useEffect, useRef } from 'react';
-import { useThemeSwitcher } from 'react-css-theme-switcher';
+import { useSelector } from 'react-redux';
+import { AppState } from 'store/reducers';
+import AppReducer from 'types/reducer/app';
 
 // import Legends from './Legend';
 // import { LegendsContainer } from './styles';
@@ -55,8 +57,9 @@ const Graph = ({
 	xAxisType,
 	onClickHandler,
 }: GraphProps): JSX.Element => {
+	const { isDarkMode } = useSelector<AppState, AppReducer>((state) => state.app);
 	const chartRef = useRef<HTMLCanvasElement>(null);
-	const { currentTheme } = useThemeSwitcher();
+	const currentTheme = isDarkMode ? 'dark' : 'light';
 
 	// const [tooltipVisible, setTooltipVisible] = useState<boolean>(false);
 	const lineChartRef = useRef<Chart>();

frontend/src/components/SideNav/index.tsx

@@ -1,28 +1,45 @@
-import { Layout, Menu, Switch as ToggleButton, Typography } from 'antd';
+import { Menu, Switch as ToggleButton, Typography } from 'antd';
 import ROUTES from 'constants/routes';
+import history from 'lib/history';
 import React, { useCallback, useState } from 'react';
-import { useThemeSwitcher } from 'react-css-theme-switcher';
+import { connect, useSelector } from 'react-redux';
 import { NavLink } from 'react-router-dom';
 import { useLocation } from 'react-router-dom';
-
-import { Logo, ThemeSwitcherWrapper } from './styles';
-const { Sider } = Layout;
-import history from 'lib/history';
+import { bindActionCreators } from 'redux';
+import { ThunkDispatch } from 'redux-thunk';
+import { ToggleDarkMode } from 'store/actions';
+import { AppState } from 'store/reducers';
+import AppActions from 'types/actions';
+import AppReducer from 'types/reducer/app';
 
 import menus from './menuItems';
+import { Logo, Sider, ThemeSwitcherWrapper } from './styles';
 
-const SideNav = (): JSX.Element => {
-	const { switcher, currentTheme, themes } = useThemeSwitcher();
-
+const SideNav = ({ toggleDarkMode }: Props): JSX.Element => {
 	const [collapsed, setCollapsed] = useState<boolean>(false);
 	const { pathname } = useLocation();
+	const { isDarkMode } = useSelector<AppState, AppReducer>((state) => state.app);
 
-	const toggleTheme = useCallback(
-		(isChecked: boolean) => {
-			switcher({ theme: isChecked ? themes.dark : themes.light });
-		},
-		[switcher, themes],
-	);
+	const toggleTheme = useCallback(() => {
+		const preMode: mode = isDarkMode ? 'lightMode' : 'darkMode';
+		const postMode: mode = isDarkMode ? 'darkMode' : 'lightMode';
+
+		const id: mode = preMode;
+		const head = document.head;
+		const link = document.createElement('link');
+		link.rel = 'stylesheet';
+		link.type = 'text/css';
+		link.href = !isDarkMode ? './css/antd.dark.min.css' : './css/antd.min.css';
+		link.media = 'all';
+		link.id = id;
+		head.appendChild(link);
+
+		link.onload = (): void => {
+			toggleDarkMode();
+			const prevNode = document.getElementById(postMode);
+			prevNode?.remove();
+		};
+	}, [toggleDarkMode, isDarkMode]);
 
 	const onCollapse = useCallback(() => {
 		setCollapsed((collapsed) => !collapsed);
@@ -33,12 +50,9 @@ const SideNav = (): JSX.Element => {
 	}, []);
 
 	return (
-		<Sider collapsible collapsed={collapsed} onCollapse={onCollapse} width={160}>
+		<Sider collapsible collapsed={collapsed} onCollapse={onCollapse} width={200}>
 			<ThemeSwitcherWrapper>
-				<ToggleButton
-					checked={currentTheme === themes.dark}
-					onChange={toggleTheme}
-				/>
+				<ToggleButton checked={isDarkMode} onChange={toggleTheme} />
 			</ThemeSwitcherWrapper>
 			<NavLink to="/">
 				<Logo src={'/signoz.svg'} alt="SigNoz" collapsed={collapsed} />
@@ -62,4 +76,18 @@ const SideNav = (): JSX.Element => {
 	);
 };
 
-export default SideNav;
+type mode = 'darkMode' | 'lightMode';
+
+interface DispatchProps {
+	toggleDarkMode: () => void;
+}
+
+const mapDispatchToProps = (
+	dispatch: ThunkDispatch<unknown, unknown, AppActions>,
+): DispatchProps => ({
+	toggleDarkMode: bindActionCreators(ToggleDarkMode, dispatch),
+});
+
+type Props = DispatchProps;
+
+export default connect(null, mapDispatchToProps)(SideNav);

frontend/src/components/SideNav/styles.ts

@@ -1,4 +1,6 @@
+import { Layout } from 'antd';
 import styled from 'styled-components';
+const { Sider: SiderComponent } = Layout;
 
 export const ThemeSwitcherWrapper = styled.div`
 	display: flex;
@@ -16,3 +18,9 @@ export const Logo = styled.img<LogoProps>`
 interface LogoProps {
 	collapsed: boolean;
 }
+
+export const Sider = styled(SiderComponent)`
+	.ant-typography {
+		color: white;
+	}
+`;

frontend/src/index.html.ejs

@@ -13,6 +13,8 @@
     <meta data-react-helmet="true" name="docusaurus_locale" content="en">
     <meta data-react-helmet="true" name="docusaurus_tag" content="default">
     <link data-react-helmet="true" rel="shortcut icon" href="/favicon.ico">
+
+    <link id='darkMode' rel='stylesheet' type='text/css' href='./css/antd.dark.min.css' />
 </head>
 <body>
 <noscript>You need to enable JavaScript to run this app.</noscript>

frontend/src/index.tsx

@@ -2,18 +2,14 @@ import 'assets/index.css';
 
 import AppRoutes from 'AppRoutes';
 import React from 'react';
-import { ThemeSwitcherProvider } from 'react-css-theme-switcher';
 import ReactDOM from 'react-dom';
 import { Provider } from 'react-redux';
 import store from 'store';
-import themes from 'themes';
 
 ReactDOM.render(
 	<Provider store={store}>
 		<React.StrictMode>
-			<ThemeSwitcherProvider themeMap={themes} defaultTheme="dark">
-				<AppRoutes />
-			</ThemeSwitcherProvider>
+			<AppRoutes />
 		</React.StrictMode>
 	</Provider>,
 	document.querySelector('#root'),

frontend/src/modules/add-instrumentation/instrumentationPage.tsx

@@ -1,25 +1,22 @@
 import { Space } from 'antd';
 import React from 'react';
-import { useThemeSwitcher } from 'react-css-theme-switcher';
-import { connect } from 'react-redux';
+import { useSelector } from 'react-redux';
 import { AppState } from 'store/reducers';
 import styled from 'styled-components';
+import AppReducer from 'types/reducer/app';
 
 const InstrumentCard = styled.div<{
-	currentThemeStatus: string | undefined;
+	isDarkMode: boolean;
 }>`
 	border-radius: 4px;
-	background: ${({ currentThemeStatus }): string =>
-		currentThemeStatus === 'dark' ? '#313131' : '#ddd'};
+	background: ${({ isDarkMode }): string => (isDarkMode ? '#313131' : '#ddd')};
 	padding: 33px 23px;
 	max-width: 800px;
 	margin-top: 40px;
 `;
 
-interface InstrumentationPageProps {}
-
-const InstrumentationPage = (props: InstrumentationPageProps) => {
-	const { currentTheme } = useThemeSwitcher();
+const InstrumentationPage = (): JSX.Element => {
+	const { isDarkMode } = useSelector<AppState, AppReducer>((state) => state.app);
 
 	return (
 		<React.Fragment>
@@ -27,7 +24,7 @@ const InstrumentationPage = (props: InstrumentationPageProps) => {
 				<div>
 					<h2>Instrument your application</h2>
 				</div>
-				<InstrumentCard currentThemeStatus={currentTheme}>
+				<InstrumentCard isDarkMode={isDarkMode}>
 					Congrats, you have successfully installed SigNoz!
 					<br />
 					To start seeing YOUR application data here, follow the instructions in the
@@ -61,8 +58,4 @@ const InstrumentationPage = (props: InstrumentationPageProps) => {
 	);
 };
 
-const mapStateToProps = (state: AppState): {} => {
-	return {};
-};
-
-export default connect(mapStateToProps, {})(InstrumentationPage);
+export default InstrumentationPage;

frontend/src/store/actions/app/index.ts

@@ -0,0 +1 @@
+export * from './toggleDarkMode';

frontend/src/store/actions/app/toggleDarkMode.ts

@@ -0,0 +1,12 @@
+import { Dispatch } from 'redux';
+import AppActions from 'types/actions';
+
+export const ToggleDarkMode = (): ((
+	dispatch: Dispatch<AppActions>,
+) => void) => {
+	return (dispatch: Dispatch<AppActions>): void => {
+		dispatch({
+			type: 'SWITCH_DARK_MODE',
+		});
+	};
+};

frontend/src/store/actions/index.ts

@@ -1,3 +1,4 @@
+export * from './app';
 export * from './dashboard';
 export * from './global';
 export * from './MetricsActions';

frontend/src/store/reducers/app.ts

@@ -0,0 +1,25 @@
+import { AppAction, SWITCH_DARK_MODE } from 'types/actions/app';
+import InitialValueTypes from 'types/reducer/app';
+
+const InitialValue: InitialValueTypes = {
+	isDarkMode: true,
+};
+
+const appReducer = (
+	state = InitialValue,
+	action: AppAction,
+): InitialValueTypes => {
+	switch (action.type) {
+		case SWITCH_DARK_MODE: {
+			return {
+				...state,
+				isDarkMode: !state.isDarkMode,
+			};
+		}
+
+		default:
+			return state;
+	}
+};
+
+export default appReducer;

frontend/src/store/reducers/global.ts

@@ -6,7 +6,7 @@ export const updateGlobalTimeReducer = (
 		minTime: (Date.now() - 15 * 60 * 1000) * 1000000,
 	},
 	action: Action,
-) => {
+): GlobalTime => {
 	// Initial global state is time now and 15 minute interval
 	switch (action.type) {
 		case ActionTypes.updateTimeInterval:

frontend/src/store/reducers/index.ts

@@ -1,5 +1,6 @@
 import { combineReducers } from 'redux';
 
+import appReducer from './app';
 import dashboardReducer from './dashboard';
 import { updateGlobalTimeReducer } from './global';
 import { metricsReducer } from './metrics';
@@ -17,6 +18,7 @@ const reducers = combineReducers({
 	metricsData: metricsReducer,
 	serviceMap: ServiceMapReducer,
 	dashboards: dashboardReducer,
+	app: appReducer,
 });
 
 export type AppState = ReturnType<typeof reducers>;

frontend/src/themes/index.ts

@@ -1,6 +0,0 @@
-const themes = {
-	dark: '/dark-theme.css',
-	light: '/light-theme.css',
-};
-
-export default themes;

frontend/src/types/actions/app.ts

@@ -0,0 +1,7 @@
+export const SWITCH_DARK_MODE = 'SWITCH_DARK_MODE';
+
+export interface SwitchDarkMode {
+	type: typeof SWITCH_DARK_MODE;
+}
+
+export type AppAction = SwitchDarkMode;

frontend/src/types/actions/index.ts

@@ -1,5 +1,6 @@
+import { AppAction } from './app';
 import { DashboardActions } from './dashboard';
 
-type AppActions = DashboardActions;
+type AppActions = DashboardActions | AppAction;
 
 export default AppActions;

frontend/src/types/reducer/app.ts

@@ -0,0 +1,3 @@
+export default interface AppReducer {
+	isDarkMode: boolean;
+}

frontend/yarn.lock

@@ -11891,11 +11891,6 @@ react-chips@^0.8.0:
     react-autosuggest "^9.0.1"
     react-themeable "^1.1.0"
 
-react-css-theme-switcher@^0.1.6:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/react-css-theme-switcher/-/react-css-theme-switcher-0.1.6.tgz#9b765e4ffa7d1ce092ff11c5524b1466990e9eaf"
-  integrity sha512-GG5OqeWTWJFH3Vbd42Tj0QVUwh/uBN/ki7EOTUL99wbzxulX8bof3NOdRHzY6j7746HNZ72s8Ko4TjO3GaWdxA==
-
 react-dev-utils@^11.0.0:
   version "11.0.4"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-11.0.4.tgz#a7ccb60257a1ca2e0efe7a83e38e6700d17aa37a"