File: start-supabase-basic.md | Updated: 11/15/2025
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React Example: Start Supabase Basic
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src
components
hooks
routes
_authed
__root.tsx
_authed.tsx
index.tsx
login.tsx
logout.tsx
signup.tsx
styles
utils
routeTree.gen.ts
router.tsx
.env
.gitignore
.prettierignore
package.json
postcss.config.mjs
tsconfig.json
vite.config.ts
tsx
/// <reference types="vite/client" />
import {
HeadContent,
Link,
Outlet,
Scripts,
createRootRoute,
} from '@tanstack/react-router'
import { TanStackRouterDevtools } from '@tanstack/react-router-devtools'
import { createServerFn } from '@tanstack/react-start'
import * as React from 'react'
import { DefaultCatchBoundary } from '../components/DefaultCatchBoundary'
import { NotFound } from '../components/NotFound'
import appCss from '../styles/app.css?url'
import { seo } from '../utils/seo'
import { getSupabaseServerClient } from '../utils/supabase'
const fetchUser = createServerFn({ method: 'GET' }).handler(async () => {
const supabase = getSupabaseServerClient()
const { data, error: _error } = await supabase.auth.getUser()
if (!data.user?.email) {
return null
}
return {
email: data.user.email,
}
})
export const Route = createRootRoute({
beforeLoad: async () => {
const user = await fetchUser()
return {
user,
}
},
head: () => ({
meta: [\
{\
charSet: 'utf-8',\
},\
{\
name: 'viewport',\
content: 'width=device-width, initial-scale=1',\
},\
...seo({\
title:\
'TanStack Start | Type-Safe, Client-First, Full-Stack React Framework',\
description: `TanStack Start is a type-safe, client-first, full-stack React framework. `,\
}),\
],
links: [\
{ rel: 'stylesheet', href: appCss },\
{\
rel: 'apple-touch-icon',\
sizes: '180x180',\
href: '/apple-touch-icon.png',\
},\
{\
rel: 'icon',\
type: 'image/png',\
sizes: '32x32',\
href: '/favicon-32x32.png',\
},\
{\
rel: 'icon',\
type: 'image/png',\
sizes: '16x16',\
href: '/favicon-16x16.png',\
},\
{ rel: 'manifest', href: '/site.webmanifest', color: '#fffff' },\
{ rel: 'icon', href: '/favicon.ico' },\
],
}),
errorComponent: (props) => {
return (
<RootDocument>
<DefaultCatchBoundary {...props} />
</RootDocument>
)
},
notFoundComponent: () => <NotFound />,
component: RootComponent,
})
function RootComponent() {
return (
<RootDocument>
<Outlet />
</RootDocument>
)
}
function RootDocument({ children }: { children: React.ReactNode }) {
const { user } = Route.useRouteContext()
return (
<html>
<head>
<HeadContent />
</head>
<body>
<div className="p-2 flex gap-2 text-lg">
<Link
to="/"
activeProps={{
className: 'font-bold',
}}
activeOptions={{ exact: true }}
>
Home
</Link>{' '}
<Link
to="/posts"
activeProps={{
className: 'font-bold',
}}
>
Posts
</Link>
<div className="ml-auto">
{user ? (
<>
<span className="mr-2">{user.email}</span>
<Link to="/logout">Logout</Link>
</>
) : (
<Link to="/login">Login</Link>
)}
</div>
</div>
<hr />
{children}
<TanStackRouterDevtools position="bottom-right" />
<Scripts />
</body>
</html>
)
}
/// <reference types="vite/client" />
import {
HeadContent,
Link,
Outlet,
Scripts,
createRootRoute,
} from '@tanstack/react-router'
import { TanStackRouterDevtools } from '@tanstack/react-router-devtools'
import { createServerFn } from '@tanstack/react-start'
import * as React from 'react'
import { DefaultCatchBoundary } from '../components/DefaultCatchBoundary'
import { NotFound } from '../components/NotFound'
import appCss from '../styles/app.css?url'
import { seo } from '../utils/seo'
import { getSupabaseServerClient } from '../utils/supabase'
const fetchUser = createServerFn({ method: 'GET' }).handler(async () => {
const supabase = getSupabaseServerClient()
const { data, error: _error } = await supabase.auth.getUser()
if (!data.user?.email) {
return null
}
return {
email: data.user.email,
}
})
export const Route = createRootRoute({
beforeLoad: async () => {
const user = await fetchUser()
return {
user,
}
},
head: () => ({
meta: [\
{\
charSet: 'utf-8',\
},\
{\
name: 'viewport',\
content: 'width=device-width, initial-scale=1',\
},\
...seo({\
title:\
'TanStack Start | Type-Safe, Client-First, Full-Stack React Framework',\
description: `TanStack Start is a type-safe, client-first, full-stack React framework. `,\
}),\
],
links: [\
{ rel: 'stylesheet', href: appCss },\
{\
rel: 'apple-touch-icon',\
sizes: '180x180',\
href: '/apple-touch-icon.png',\
},\
{\
rel: 'icon',\
type: 'image/png',\
sizes: '32x32',\
href: '/favicon-32x32.png',\
},\
{\
rel: 'icon',\
type: 'image/png',\
sizes: '16x16',\
href: '/favicon-16x16.png',\
},\
{ rel: 'manifest', href: '/site.webmanifest', color: '#fffff' },\
{ rel: 'icon', href: '/favicon.ico' },\
],
}),
errorComponent: (props) => {
return (
<RootDocument>
<DefaultCatchBoundary {...props} />
</RootDocument>
)
},
notFoundComponent: () => <NotFound />,
component: RootComponent,
})
function RootComponent() {
return (
<RootDocument>
<Outlet />
</RootDocument>
)
}
function RootDocument({ children }: { children: React.ReactNode }) {
const { user } = Route.useRouteContext()
return (
<html>
<head>
<HeadContent />
</head>
<body>
<div className="p-2 flex gap-2 text-lg">
<Link
to="/"
activeProps={{
className: 'font-bold',
}}
activeOptions={{ exact: true }}
>
Home
</Link>{' '}
<Link
to="/posts"
activeProps={{
className: 'font-bold',
}}
>
Posts
</Link>
<div className="ml-auto">
{user ? (
<>
<span className="mr-2">{user.email}</span>
<Link to="/logout">Logout</Link>
</>
) : (
<Link to="/login">Login</Link>
)}
</div>
</div>
<hr />
{children}
<TanStackRouterDevtools position="bottom-right" />
<Scripts />
</body>
</html>
)
}
