React Hook Form + Zod

'use client'

import { zodResolver } from '@hookform/resolvers/zod'
import { Controller, useForm } from 'react-hook-form'
import { toast } from 'sonner'
import * as z from 'zod'

import { Button } from '@/components/ui/button'
import {
  Field,
  FieldError,
  FieldGroup,
  FieldLabel,
} from '@/components/ui/field'
import {
  Select,
  SelectContent,
  SelectGroup,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from '@/components/ui/select'

const departments = [
  { value: 'design', label: 'Design' },
  { value: 'engineering', label: 'Engineering' },
  { value: 'marketing', label: 'Marketing' },
  { value: 'support', label: 'Support' },
] as const

const formSchema = z.object({
  department: z.string().min(1, 'Select a department.'),
})

type FormValues = z.infer<typeof formSchema>

export function Select12() {
  const form = useForm<FormValues>({
    resolver: zodResolver(formSchema),
    defaultValues: {
      department: '',
    },
  })

  function onSubmit(data: FormValues) {
    const label = departments.find(
      (item) => item.value === data.department,
    )?.label
    toast.success('Submitted', {
      description: label ?? data.department,
    })
  }

  return (
    <form
      id="select-rhf-form"
      onSubmit={form.handleSubmit(onSubmit)}
      className="flex w-full max-w-sm flex-col gap-4"
    >
      <FieldGroup>
        <Controller
          name="department"
          control={form.control}
          render={({ field, fieldState }) => (
            <Field data-invalid={fieldState.invalid}>
              <FieldLabel htmlFor="select-rhf-department">
                Department
              </FieldLabel>
              <Select value={field.value} onValueChange={field.onChange}>
                <SelectTrigger
                  id="select-rhf-department"
                  className="w-full"
                  aria-invalid={fieldState.invalid}
                >
                  <SelectValue placeholder="Select department" />
                </SelectTrigger>
                <SelectContent>
                  <SelectGroup>
                    {departments.map((item) => (
                      <SelectItem key={item.value} value={item.value}>
                        {item.label}
                      </SelectItem>
                    ))}
                  </SelectGroup>
                </SelectContent>
              </Select>
              {fieldState.invalid && <FieldError errors={[fieldState.error]} />}
            </Field>
          )}
        />
      </FieldGroup>
      <Button type="submit" size="sm">
        Submit
      </Button>
    </form>
  )
}