feat: transparent header (#9108)

This PR adds header redesign behind a feature flag

frontend/src/component/commandBar/CommandBar.tsx

@@ -30,6 +30,7 @@ import { CommandQuickSuggestions } from './CommandQuickSuggestions';
 import { CommandSearchPages } from './CommandSearchPages';
 import { CommandBarFeedback } from './CommandBarFeedback';
 import { RecentlyVisitedRecorder } from './RecentlyVisitedRecorder';
+import { useUiFlag } from 'hooks/useUiFlag';
 
 export const CommandResultsPaper = styled(Paper)(({ theme }) => ({
     position: 'absolute',
@@ -50,16 +51,20 @@ export const CommandResultsPaper = styled(Paper)(({ theme }) => ({
 }));
 
 const StyledContainer = styled('div', {
-    shouldForwardProp: (prop) => prop !== 'active',
+    shouldForwardProp: (prop) =>
+        prop !== 'active' && prop !== 'frontendHeaderRedesign',
 })<{
     active: boolean | undefined;
-}>(({ theme, active }) => ({
+    frontendHeaderRedesign?: boolean;
+}>(({ theme, active, frontendHeaderRedesign }) => ({
     border: `1px solid transparent`,
     display: 'flex',
     flexGrow: 1,
     alignItems: 'center',
     position: 'relative',
-    backgroundColor: theme.palette.background.paper,
+    backgroundColor: frontendHeaderRedesign
+        ? theme.palette.background.application
+        : theme.palette.background.paper,
     maxWidth: active ? '100%' : '400px',
     [theme.breakpoints.down('md')]: {
         marginTop: theme.spacing(1),
@@ -97,6 +102,7 @@ interface IPageRouteInfo {
 
 export const CommandBar = () => {
     const { trackEvent } = usePlausibleTracker();
+    const frontendHeaderRedesign = useUiFlag('frontendHeaderRedesign');
     const searchInputRef = useRef<HTMLInputElement>(null);
     const searchContainerRef = useRef<HTMLInputElement>(null);
     const [showSuggestions, setShowSuggestions] = useState(false);
@@ -293,7 +299,11 @@ export const CommandBar = () => {
     };
 
     return (
-        <StyledContainer ref={searchContainerRef} active={showSuggestions}>
+        <StyledContainer
+            ref={searchContainerRef}
+            active={showSuggestions}
+            frontendHeaderRedesign={frontendHeaderRedesign}
+        >
             <RecentlyVisitedRecorder />
             <StyledSearch
                 sx={{

frontend/src/component/layout/MainLayout/MainLayout.tsx

@@ -18,6 +18,7 @@ import { NavigationSidebar } from './NavigationSidebar/NavigationSidebar';
 import { MainLayoutEventTimeline } from './MainLayoutEventTimeline';
 import { EventTimelineProvider } from 'component/events/EventTimeline/EventTimelineProvider';
 import { NewInUnleash } from './NavigationSidebar/NewInUnleash/NewInUnleash';
+import { useUiFlag } from 'hooks/useUiFlag';
 
 interface IMainLayoutProps {
     children: ReactNode;
@@ -93,6 +94,7 @@ export const MainLayout = forwardRef<HTMLDivElement, IMainLayoutProps>(
     ({ children }, ref) => {
         const { uiConfig } = useUiConfig();
         const projectId = useOptionalPathParam('projectId');
+        const frontendHeaderRedesign = useUiFlag('frontendHeaderRedesign');
         const { isChangeRequestConfiguredInAnyEnv } = useChangeRequestsEnabled(
             projectId || '',
         );
@@ -103,7 +105,10 @@ export const MainLayout = forwardRef<HTMLDivElement, IMainLayoutProps>(
         return (
             <EventTimelineProvider>
                 <SkipNavLink />
-                <Header />
+                <ConditionallyRender
+                    condition={!frontendHeaderRedesign}
+                    show={<Header />}
+                />
 
                 <SkipNavTarget />
                 <MainLayoutContainer>
@@ -119,7 +124,9 @@ export const MainLayout = forwardRef<HTMLDivElement, IMainLayoutProps>(
                         <Box
                             sx={(theme) => ({
                                 display: 'flex',
-                                mt: theme.spacing(0.25),
+                                mt: frontendHeaderRedesign
+                                    ? 0
+                                    : theme.spacing(0.25),
                             })}
                         >
                             <ConditionallyRender
@@ -139,6 +146,11 @@ export const MainLayout = forwardRef<HTMLDivElement, IMainLayoutProps>(
                                     minWidth: 0,
                                 }}
                             >
+                                <ConditionallyRender
+                                    condition={frontendHeaderRedesign}
+                                    show={<Header />}
+                                />
+
                                 <MainLayoutEventTimeline />
 
                                 <MainLayoutContent>

frontend/src/component/layout/MainLayout/NavigationSidebar/NavigationSidebar.tsx

@@ -16,6 +16,17 @@ import { useInitialPathname } from './useInitialPathname';
 import { useLastViewedProject } from 'hooks/useLastViewedProject';
 import { useLastViewedFlags } from 'hooks/useLastViewedFlags';
 import type { NewInUnleash } from './NewInUnleash/NewInUnleash';
+import { ThemeMode } from 'component/common/ThemeMode/ThemeMode';
+import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
+import { flexRow, focusable } from 'themes/themeStyles';
+import { ReactComponent as UnleashLogo } from 'assets/img/logoDarkWithText.svg';
+import { ReactComponent as UnleashLogoWhite } from 'assets/img/logoWithWhiteText.svg';
+import { ReactComponent as CelebatoryUnleashLogo } from 'assets/img/unleashHoliday.svg';
+import { ReactComponent as CelebatoryUnleashLogoWhite } from 'assets/img/unleashHolidayDark.svg';
+import { ReactComponent as LogoOnlyWhite } from 'assets/img/logo.svg';
+import { ReactComponent as LogoOnly } from 'assets/img/logoDark.svg';
+import { useUiFlag } from 'hooks/useUiFlag';
+import { Link } from 'react-router-dom';
 
 export const MobileNavigationSidebar: FC<{
     onClick: () => void;
@@ -57,6 +68,26 @@ export const StretchContainer = styled(Box)<{ mode: string }>(
     }),
 );
 
+const StyledLink = styled(Link)(({ theme }) => focusable(theme));
+
+const StyledUnleashLogoWhite = styled(UnleashLogoWhite)({ width: '150px' });
+
+const StyledUnleashLogo = styled(UnleashLogo)({ width: '150px' });
+
+const StyledCelebatoryLogo = styled(CelebatoryUnleashLogo)({ width: '150px' });
+
+const StyledUnleashLogoOnly = styled(LogoOnly)(({ theme }) => ({
+    width: '58px',
+    marginTop: theme.spacing(0.5),
+    margin: '0 auto',
+}));
+
+const StyledUnleashLogoOnlyWhite = styled(LogoOnlyWhite)(({ theme }) => ({
+    width: '37px',
+    marginTop: theme.spacing(1),
+    margin: '0 auto',
+}));
+
 // This component is needed when the sticky item could overlap with nav items. You can replicate it on a short screen.
 const StickyContainer = styled(Box)(({ theme }) => ({
     position: 'sticky',
@@ -71,6 +102,8 @@ export const NavigationSidebar: FC<{ NewInUnleash?: typeof NewInUnleash }> = ({
     NewInUnleash,
 }) => {
     const { routes } = useRoutes();
+    const celebatoryUnleash = useUiFlag('celebrateUnleash');
+    const frontendHeaderRedesign = useUiFlag('frontendHeaderRedesign');
 
     const [mode, setMode] = useNavigationMode();
     const [expanded, changeExpanded] = useExpanded<'configure' | 'admin'>();
@@ -90,6 +123,49 @@ export const NavigationSidebar: FC<{ NewInUnleash?: typeof NewInUnleash }> = ({
 
     return (
         <StretchContainer mode={mode}>
+            <ConditionallyRender
+                condition={frontendHeaderRedesign}
+                show={
+                    <ConditionallyRender
+                        condition={mode === 'full'}
+                        show={
+                            <StyledLink to='/' sx={flexRow} aria-label='Home'>
+                                <ThemeMode
+                                    darkmode={
+                                        <ConditionallyRender
+                                            condition={celebatoryUnleash}
+                                            show={
+                                                <CelebatoryUnleashLogoWhite />
+                                            }
+                                            elseShow={
+                                                <StyledUnleashLogoWhite aria-label='Unleash logo' />
+                                            }
+                                        />
+                                    }
+                                    lightmode={
+                                        <ConditionallyRender
+                                            condition={celebatoryUnleash}
+                                            show={<StyledCelebatoryLogo />}
+                                            elseShow={
+                                                <StyledUnleashLogo aria-label='Unleash logo' />
+                                            }
+                                        />
+                                    }
+                                />
+                            </StyledLink>
+                        }
+                        elseShow={
+                            <StyledLink to='/' sx={flexRow} aria-label='Home'>
+                                <ThemeMode
+                                    darkmode={<StyledUnleashLogoOnlyWhite />}
+                                    lightmode={<StyledUnleashLogoOnly />}
+                                />
+                            </StyledLink>
+                        }
+                    />
+                }
+            />
+
             <PrimaryNavigationList
                 mode={mode}
                 onClick={setActiveItem}

frontend/src/component/menu/Header/Header.tsx

@@ -35,8 +35,13 @@ import { useUiFlag } from 'hooks/useUiFlag';
 import { CommandBar } from 'component/commandBar/CommandBar';
 import { HeaderEventTimelineButton } from './HeaderEventTimelineButton';
 
-const HeaderComponent = styled(AppBar)(({ theme }) => ({
+const HeaderComponent = styled(AppBar, {
-    backgroundColor: theme.palette.background.paper,
+    shouldForwardProp: (prop) => prop !== 'frontendHeaderRedesign',
+})<{ frontendHeaderRedesign?: boolean }>(
+    ({ theme, frontendHeaderRedesign }) => ({
+        backgroundColor: frontendHeaderRedesign
+            ? theme.palette.background.application
+            : theme.palette.background.paper,
         padding: theme.spacing(1),
         boxShadow: 'none',
         position: 'relative',
@@ -54,7 +59,8 @@ const HeaderComponent = styled(AppBar)(({ theme }) => ({
             minWidth: '100%',
         },
         margin: '0 auto',
-}));
+    }),
+);
 
 const ContainerComponent = styled(Box)(() => ({
     display: 'flex',
@@ -107,6 +113,7 @@ const Header = () => {
     const [openDrawer, setOpenDrawer] = useState(false);
     const toggleDrawer = () => setOpenDrawer((prev) => !prev);
     const celebatoryUnleash = useUiFlag('celebrateUnleash');
+    const frontendHeaderRedesign = useUiFlag('frontendHeaderRedesign');
 
     const routes = getRoutes();
     const adminRoutes = useAdminRoutes();
@@ -123,7 +130,10 @@ const Header = () => {
 
     if (smallScreen) {
         return (
-            <HeaderComponent position='static'>
+            <HeaderComponent
+                position='static'
+                frontendHeaderRedesign={frontendHeaderRedesign}
+            >
                 <ContainerComponent>
                     <Tooltip title='Menu' arrow>
                         <IconButton
@@ -153,8 +163,14 @@ const Header = () => {
     }
 
     return (
-        <HeaderComponent position='static'>
+        <HeaderComponent
+            frontendHeaderRedesign={frontendHeaderRedesign}
+            position='static'
+        >
             <ContainerComponent>
+                <ConditionallyRender
+                    condition={!frontendHeaderRedesign}
+                    show={
                         <StyledLink to='/' sx={flexRow} aria-label='Home'>
                             <ThemeMode
                                 darkmode={
@@ -177,6 +193,8 @@ const Header = () => {
                                 }
                             />
                         </StyledLink>
+                    }
+                />
 
                 <StyledNav>
                     <StyledUserContainer>

frontend/src/interfaces/uiConfig.ts

@@ -92,6 +92,7 @@ export type UiFlags = {
     granularAdminPermissions?: boolean;
     sortProjectRoles?: boolean;
     lifecycleImprovements?: boolean;
+    frontendHeaderRedesign?: boolean;
 };
 
 export interface IVersionInfo {

src/lib/types/experimental.ts

@@ -62,7 +62,8 @@ export type IFlagKey =
     | 'deltaApi'
     | 'uniqueSdkTracking'
     | 'sortProjectRoles'
-    | 'lifecycleImprovements';
+    | 'lifecycleImprovements'
+    | 'frontendHeaderRedesign';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
 
@@ -295,6 +296,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_LIFECYCLE_IMPROVEMENTS,
         false,
     ),
+    frontendHeaderRedesign: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_FRONTEND_HEADER_REDESIGN,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {

src/server-dev.ts

@@ -40,7 +40,6 @@ process.nextTick(async () => {
                         embedProxyFrontend: true,
                         anonymiseEventLog: false,
                         responseTimeWithAppNameKillSwitch: false,
-                        celebrateUnleash: true,
                         userAccessUIEnabled: true,
                         outdatedSdksBanner: true,
                         disableShowContextFieldSelectionValues: false,
@@ -58,6 +57,7 @@ process.nextTick(async () => {
                         deltaApi: true,
                         uniqueSdkTracking: true,
                         lifecycleImprovements: true,
+                        frontendHeaderRedesign: true,
                     },
                 },
                 authentication: {