Forms

Textarea

Textarea wraps a native <textarea> with the same field chrome as Input — label, helpText, error, and size variants.

Installation

npx shadcn add https://rck.vibeboxph.com//r/textarea.json

Live preview & controls

Controls
<Textarea label="Message" placeholder="Write a message…" />

Anatomy

  • FieldLabelBuilt-in top field label.
  • textareaThe native multiline field.
  • FieldMessageHelp text or error message below the field.

Props

PropTypeDefaultDescription
labelReact.ReactNode—Field label.
helpTextReact.ReactNode—Supplementary help text shown when there's no error.
errorReact.ReactNode—Error text; sets `aria-invalid` and destructive styling.
size"sm" | "md" | "lg"mdTypography and padding scale.
value / defaultValuestring—Controlled / uncontrolled value.
onValueChange(value: string) => void—Convenience change handler.
disabledboolean—Native disabled state.
rowsnumber—Native rows attribute.

Accessibility

  • Label is associated via `htmlFor`/`id` (auto-generated with `useId` when not provided).
  • `error` sets `aria-invalid` and `aria-describedby` pointing at the message with `role="alert"`.
  • Use `helpText` for supplementary guidance that shouldn't interrupt on every focus.

Source

registry/rck/ui/textarea.tsx
"use client";

import * as React from "react";
import { cn } from "@/lib/utils";
import {
  fieldWrapperVariants,
  FieldLabel,
  FieldMessage,
  type FieldWrapperVariantProps,
} from "@/registry/rck/ui/field-chrome";

export interface TextareaProps
  extends React.TextareaHTMLAttributes<HTMLTextAreaElement>, FieldWrapperVariantProps {
  label?: React.ReactNode;
  helpText?: React.ReactNode;
  error?: React.ReactNode;
  containerClassName?: string;
  onValueChange?: (value: string) => void;
}

export const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
  (
    {
      className,
      containerClassName,
      size,
      label,
      helpText,
      error,
      required,
      id: providedId,
      onChange,
      onValueChange,
      disabled,
      ...props
    },
    ref,
  ) => {
    const generatedId = React.useId();
    const id = providedId ?? generatedId;
    const helpTextId = helpText ? `${id}-help-text` : undefined;
    const errorId = error ? `${id}-error` : undefined;
    const invalid = Boolean(error);

    return (
      <div
        data-slot="textarea-container"
        className={cn("flex flex-col gap-1.5", containerClassName)}
      >
        {label && (
          <FieldLabel htmlFor={id} required={required}>
            {label}
          </FieldLabel>
        )}
        <textarea
          ref={ref}
          id={id}
          data-slot="textarea"
          disabled={disabled}
          required={required}
          aria-invalid={invalid || undefined}
          aria-describedby={cn(helpTextId, errorId) || undefined}
          className={cn(
            fieldWrapperVariants({ size, invalid }),
            "placeholder:text-muted-foreground h-auto min-h-20 items-start py-2 outline-none disabled:cursor-not-allowed",
            className,
          )}
          onChange={(event) => {
            onChange?.(event);
            onValueChange?.(event.target.value);
          }}
          {...props}
        />
        {helpText && !error && <FieldMessage id={helpTextId}>{helpText}</FieldMessage>}
        {error && (
          <FieldMessage id={errorId} invalid role="alert">
            {error}
          </FieldMessage>
        )}
      </div>
    );
  },
);
Textarea.displayName = "Textarea";
registry/rck/ui/field-chrome.tsx
import * as React from "react";
import { cva, type VariantProps } from "@/lib/cva";
import { cn } from "@/lib/utils";

export const fieldWrapperVariants = cva(
  "flex w-full items-center gap-2 rounded-md border bg-background px-3 shadow-sm " +
    "transition-colors has-[input:disabled]:cursor-not-allowed has-[input:disabled]:opacity-50 " +
    "has-[textarea:disabled]:cursor-not-allowed has-[textarea:disabled]:opacity-50",
  {
    variants: {
      size: {
        sm: "h-8 text-[10px]",
        md: "h-[39px] text-[11px]",
        lg: "h-11 text-xs",
      },
      invalid: {
        true: "border-destructive focus-within:ring-2 focus-within:ring-destructive/40",
        false:
          "border-border-strong focus-within:border-primary focus-within:ring-2 focus-within:ring-ring/30",
      },
    },
    defaultVariants: {
      size: "md",
      invalid: false,
    },
  },
);

/** Built-in field label — shared by Input, Textarea, and boolean field wrappers. */
export function FieldLabel({
  className,
  required,
  children,
  ...props
}: React.LabelHTMLAttributes<HTMLLabelElement> & { required?: boolean }) {
  return (
    <label
      data-slot="field-label"
      className={cn("text-foreground text-sm leading-none font-medium", className)}
      {...props}
    >
      {children}
      {required && <span className="text-destructive ml-0.5">*</span>}
    </label>
  );
}

export function FieldMessage({
  className,
  invalid,
  ...props
}: React.HTMLAttributes<HTMLParagraphElement> & { invalid?: boolean }) {
  return (
    <p
      data-slot="field-message"
      className={cn(
        "text-xs",
        invalid ? "text-destructive" : "text-muted-foreground",
        className,
      )}
      {...props}
    />
  );
}

export type ControlPosition = "start" | "end";

export interface BooleanGroupOption {
  value: string;
  /** Inline label beside the control. */
  text: string;
  disabled?: boolean;
  helpText?: React.ReactNode;
}

export interface BooleanFieldLayoutProps {
  label?: React.ReactNode;
  text?: React.ReactNode;
  helpText?: React.ReactNode;
  error?: React.ReactNode;
  required?: boolean;
  /** Places the control at inline-start (default) or inline-end — flips automatically in RTL. */
  controlPosition?: ControlPosition;
  disabled?: boolean;
  id?: string;
  className?: string;
  containerClassName?: string;
  children: (args: {
    id: string;
    describedBy?: string;
    disabled?: boolean;
  }) => React.ReactNode;
}

export function BooleanFieldLayout({
  label,
  text,
  helpText,
  error,
  required,
  controlPosition = "start",
  disabled,
  id: providedId,
  className,
  containerClassName,
  children,
}: BooleanFieldLayoutProps) {
  const generatedId = React.useId();
  const id = providedId ?? generatedId;
  const helpTextId = helpText && !error ? `${id}-help-text` : undefined;
  const errorId = error ? `${id}-error` : undefined;
  const describedBy = cn(helpTextId, errorId) || undefined;
  const control = children({ id, describedBy, disabled });

  return (
    <div
      data-slot="boolean-field"
      className={cn("flex flex-col gap-1.5", containerClassName)}
    >
      {label && (
        <FieldLabel htmlFor={id} required={required}>
          {label}
        </FieldLabel>
      )}
      <div
        className={cn(
          "flex w-full items-start gap-2",
          controlPosition === "end" && "flex-row-reverse justify-between",
          className,
        )}
      >
        {control}
        {text && (
          <label
            htmlFor={id}
            className={cn(
              "text-foreground text-sm leading-none font-medium",
              controlPosition === "end" && "flex-1",
              disabled && "cursor-not-allowed opacity-50",
            )}
          >
            {text}
          </label>
        )}
      </div>
      {helpText && !error && <FieldMessage id={helpTextId}>{helpText}</FieldMessage>}
      {error && (
        <FieldMessage id={errorId} invalid role="alert">
          {error}
        </FieldMessage>
      )}
    </div>
  );
}

export type FieldWrapperVariantProps = VariantProps<typeof fieldWrapperVariants>;

Related examples

Sizes & help textDefault and large textarea with helper text.
ValidationLive character-count validation.
Browse the full examples gallery