registry/forms/tanstack-form/recipes/tsf-recipes-03.tsx
'use client'
import { useForm } from '@tanstack/react-form'
import { LogIn } from 'lucide-react'
import { toast } from 'sonner'
import * as z from 'zod'
import { Button } from '@/components/ui/button'
import {
Card,
CardContent,
CardDescription,
CardHeader,
CardTitle,
} from '@/components/ui/card'
import {
Field,
FieldError,
FieldGroup,
FieldLabel,
} from '@/components/ui/field'
import { Input } from '@/components/ui/input'
const formSchema = z.object({
email: z.email('Enter a valid email.'),
password: z.string().min(1, 'Enter your password.'),
})
export function TsfRecipes03() {
const form = useForm({
defaultValues: { email: '', password: '' },
validators: { onSubmit: formSchema },
onSubmit: async ({ value }) => {
toast.success('Welcome back', { description: value.email })
},
})
return (
<Card className="w-full max-w-sm">
<CardHeader>
<CardTitle className="flex items-center gap-2">
<LogIn className="text-muted-foreground size-4" />
Sign in
</CardTitle>
<CardDescription>Use your email and password to continue.</CardDescription>
</CardHeader>
<CardContent>
<form
onSubmit={(e) => {
e.preventDefault()
form.handleSubmit()
}}
>
<FieldGroup>
<form.Field name="email">
{(field) => {
const isInvalid =
field.state.meta.isTouched && !field.state.meta.isValid
return (
<Field data-invalid={isInvalid}>
<FieldLabel htmlFor={field.name}>Email</FieldLabel>
<Input
id={field.name}
name={field.name}
type="email"
placeholder="ada@example.com"
aria-invalid={isInvalid}
value={field.state.value}
onBlur={field.handleBlur}
onChange={(e) => field.handleChange(e.target.value)}
/>
{isInvalid && (
<FieldError errors={field.state.meta.errors} />
)}
</Field>
)
}}
</form.Field>
<form.Field name="password">
{(field) => {
const isInvalid =
field.state.meta.isTouched && !field.state.meta.isValid
return (
<Field data-invalid={isInvalid}>
<FieldLabel htmlFor={field.name}>Password</FieldLabel>
<Input
id={field.name}
name={field.name}
type="password"
placeholder="••••••••"
aria-invalid={isInvalid}
value={field.state.value}
onBlur={field.handleBlur}
onChange={(e) => field.handleChange(e.target.value)}
/>
{isInvalid && (
<FieldError errors={field.state.meta.errors} />
)}
</Field>
)
}}
</form.Field>
<Button type="submit" size="sm">
Sign in
</Button>
</FieldGroup>
</form>
</CardContent>
</Card>
)
}





























