open-swe/ui/src/routes/__root.tsx

import {
  HeadContent,
  Outlet,
  Scripts,
  createRootRoute,
} from "@tanstack/react-router"
import { TanStackRouterDevtoolsPanel } from "@tanstack/react-router-devtools"
import { TanStackDevtools } from "@tanstack/react-devtools"
import { QueryClientProvider } from "@tanstack/react-query"
import { ReactQueryDevtools } from "@tanstack/react-query-devtools"
import { useState } from "react"

import appCss from "../styles.css?url"
import { makeQueryClient } from "@/lib/query"

const themeInitScript = `(function(){try{var t=localStorage.getItem("open-swe-theme");var d=t==="dark"||((!t||t==="system")&&window.matchMedia("(prefers-color-scheme: dark)").matches);var r=document.documentElement;r.classList.toggle("dark",d);r.style.colorScheme=d?"dark":"light";}catch(e){}})();`

export const Route = createRootRoute({
  head: () => ({
    meta: [
      { charSet: "utf-8" },
      {
        name: "viewport",
        content: "width=device-width, initial-scale=1, maximum-scale=1",
      },
      { name: "theme-color", content: "#000000" },
      { title: "open-swe" },
    ],
    links: [
      { rel: "stylesheet", href: appCss },
      { rel: "manifest", href: "/manifest.webmanifest" },
      { rel: "icon", type: "image/png", href: "/favicon.png" },
      { rel: "apple-touch-icon", href: "/apple-touch-icon.png" },
    ],
  }),
  notFoundComponent: () => (
    <main className="container mx-auto p-4 pt-16">
      <h1 className="text-2xl font-medium">404</h1>
      <p className="text-muted-foreground">
        The requested page could not be found.
      </p>
    </main>
  ),
  shellComponent: RootDocument,
})

function RootDocument({ children }: { children: React.ReactNode }) {
  const [queryClient] = useState(() => makeQueryClient())
  return (
    <html lang="en">
      <head>
        <script dangerouslySetInnerHTML={{ __html: themeInitScript }} />
        <HeadContent />
      </head>
      <body>
        <QueryClientProvider client={queryClient}>
          {children ?? <Outlet />}
          <TanStackDevtools
            config={{ position: "bottom-right" }}
            plugins={[
              {
                name: "Tanstack Router",
                render: <TanStackRouterDevtoolsPanel />,
              },
            ]}
          />
          <ReactQueryDevtools initialIsOpen={false} />
        </QueryClientProvider>
        <Scripts />
      </body>
    </html>
  )
}