# V label 15

> With error state

A shadcn/ui block from the [@cnippet](https://ui.cnippet.dev/) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/cnippet/v-label-15).

- Page, with a live preview: https://shadcn.exchange/r/cnippet/v-label-15
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/cnippet/v-label-15-light-7444da4cbddbdf3c.png
- Registry item: https://ui.cnippet.dev/r/v-label-15.json
- Categories: label
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://ui.cnippet.dev/r/v-label-15.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- Registry items: `@cnippet/label`

## Files

### `registry/default/variants/v-label-15.tsx`

```tsx
"use client";

import { useId, useState } from "react";
import { Field, FieldDescription } from "@/registry/default/ui/field";
import { Input } from "@/registry/default/ui/input";
import { Label } from "@/registry/default/ui/label";

export function Pattern() {
  const [value, setValue] = useState("existing@taken.com");
  const id = useId();
  const hasError = value.length > 0 && value.includes("taken");

  return (
    <Field className="w-full max-w-xs">
      <Label htmlFor={id}>
        Email address
        <span className="text-destructive">*</span>
      </Label>
      <Input
        aria-describedby={hasError ? `${id}-error` : undefined}
        aria-invalid={hasError}
        className={
          hasError ? "border-destructive focus-visible:ring-destructive/20" : ""
        }
        id={id}
        onChange={(e) => setValue(e.target.value)}
        type="email"
        value={value}
      />
      {hasError && (
        <FieldDescription className="text-destructive" id={`${id}-error`}>
          This email is already registered.
        </FieldDescription>
      )}
    </Field>
  );
}
```