supabase/apps/www/pages/_app.tsx

import '@code-hike/mdx/styles.css'
import 'config/code-hike.css'
import '../styles/globals.css'
import './launch-week/launchWeek.css'

import {
  AuthProvider,
  FeatureFlagProvider,
  IS_PLATFORM,
  PageTelemetry,
  TelemetryTagManager,
  ThemeProvider,
  useThemeSandbox,
} from 'common'
import MetaFaviconsPagesRouter, {
  DEFAULT_FAVICON_ROUTE,
  DEFAULT_FAVICON_THEME_COLOR,
} from 'common/MetaFavicons/pages-router'
import { DevToolbar, DevToolbarProvider } from 'dev-tools'
import { DefaultSeo } from 'next-seo'
import type { AppProps } from 'next/app'
import Head from 'next/head'
import { useRouter } from 'next/router'
import { TooltipProvider } from 'ui'
import { CommandProvider } from 'ui-patterns/CommandMenu'
import { useConsentToast } from 'ui-patterns/consent'

import useDarkLaunchWeeks from '../hooks/useDarkLaunchWeeks'
import { useWwwCommandMenuTelemetry } from '../hooks/useWwwCommandMenuTelemetry'
import { MD_PAGES } from '@/app/api-v2/md/content.generated'
import { Toaster } from '@/app/toaster'
import { WwwCommandMenu } from '@/components/CommandMenu'
import { API_URL, APP_NAME, DEFAULT_META_DESCRIPTION } from '@/lib/constants'

export default function App({ Component, pageProps }: AppProps) {
  const router = useRouter()
  const { hasAcceptedConsent } = useConsentToast()
  const { onTelemetry } = useWwwCommandMenuTelemetry()

  useThemeSandbox()

  const site_title = `${APP_NAME} | The Postgres Development Platform.`
  const { basePath } = useRouter()

  const isDarkLaunchWeek = useDarkLaunchWeeks()
  const forceDarkMode = isDarkLaunchWeek

  let applicationName = 'Supabase'
  let faviconRoute = DEFAULT_FAVICON_ROUTE
  let themeColor = DEFAULT_FAVICON_THEME_COLOR

  if (router.asPath?.includes('/launch-week/x')) {
    applicationName = 'Supabase LWX'
    faviconRoute = 'images/launchweek/lwx/favicon'
    themeColor = 'FFFFFF'
  }

  // Advertise the .md version for AI agents on pages that have one.
  const cleanPath = (router.asPath ?? '/').split('?')[0].split('#')[0].replace(/\/$/, '') || '/'
  const mdSlug = cleanPath === '/' ? 'homepage' : cleanPath.slice(1)
  const mdAlternateHref = MD_PAGES.has(mdSlug)
    ? cleanPath === '/'
      ? '/homepage.md'
      : `${cleanPath}.md`
    : null

  return (
    <>
      <Head>
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        {mdAlternateHref && <link rel="alternate" type="text/markdown" href={mdAlternateHref} />}
      </Head>
      <MetaFaviconsPagesRouter
        applicationName={applicationName}
        route={faviconRoute}
        themeColor={themeColor}
        includeManifest
        includeMsApplicationConfig
        includeRssXmlFeed
      />
      <DefaultSeo
        title={site_title}
        description={DEFAULT_META_DESCRIPTION}
        openGraph={{
          type: 'website',
          url: 'https://supabase.com/',
          site_name: 'Supabase',
          images: [
            {
              url: `https://supabase.com${basePath}/images/og/supabase-og.png`,
              width: 800,
              height: 600,
              alt: 'Supabase Og Image',
            },
          ],
        }}
        twitter={{
          handle: '@supabase',
          site: '@supabase',
          cardType: 'summary_large_image',
        }}
      />

      <AuthProvider>
        {/* [TODO] I think we need to deconflict with the providers in layout.tsx? */}
        <FeatureFlagProvider API_URL={API_URL} enabled={{ cc: true, ph: false }}>
          <DevToolbarProvider apiUrl={API_URL}>
            <ThemeProvider forcedTheme={forceDarkMode ? 'dark' : undefined}>
              <TooltipProvider delayDuration={0}>
                <CommandProvider app="www" onTelemetry={onTelemetry}>
                  <Toaster />
                  <Component {...pageProps} />
                  <WwwCommandMenu />
                  <PageTelemetry
                    API_URL={API_URL}
                    hasAcceptedConsent={hasAcceptedConsent}
                    enabled={IS_PLATFORM}
                  />
                  <DevToolbar />
                </CommandProvider>
              </TooltipProvider>
            </ThemeProvider>
          </DevToolbarProvider>
        </FeatureFlagProvider>
      </AuthProvider>
      <TelemetryTagManager />
    </>
  )
}