shadcn-ui/apps/v4/public/r/styles/default/form.json

{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "form",
  "type": "registry:ui",
  "author": "shadcn (https://ui.shadcn.com)",
  "dependencies": [
    "@radix-ui/react-label",
    "@radix-ui/react-slot",
    "@hookform/resolvers",
    "zod",
    "react-hook-form"
  ],
  "registryDependencies": [
    "button",
    "label"
  ],
  "files": [
    {
      "path": "ui/form.tsx",
      "content": "\"use client\"\n\nimport * as React from \"react\"\nimport * as LabelPrimitive from \"@radix-ui/react-label\"\nimport { Slot } from \"@radix-ui/react-slot\"\nimport {\n  Controller,\n  FormProvider,\n  useFormContext,\n  type ControllerProps,\n  type FieldPath,\n  type FieldValues,\n} from \"react-hook-form\"\n\nimport { cn } from \"@/lib/utils\"\nimport { Label } from \"@/registry/default/ui/label\"\n\nconst Form = FormProvider\n\ntype FormFieldContextValue<\n  TFieldValues extends FieldValues = FieldValues,\n  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>\n> = {\n  name: TName\n}\n\nconst FormFieldContext = React.createContext<FormFieldContextValue>(\n  {} as FormFieldContextValue\n)\n\nconst FormField = <\n  TFieldValues extends FieldValues = FieldValues,\n  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>\n>({\n  ...props\n}: ControllerProps<TFieldValues, TName>) => {\n  return (\n    <FormFieldContext.Provider value={{ name: props.name }}>\n      <Controller {...props} />\n    </FormFieldContext.Provider>\n  )\n}\n\nconst useFormField = () => {\n  const fieldContext = React.useContext(FormFieldContext)\n  const itemContext = React.useContext(FormItemContext)\n  const { getFieldState, formState } = useFormContext()\n\n  const fieldState = getFieldState(fieldContext.name, formState)\n\n  if (!fieldContext) {\n    throw new Error(\"useFormField should be used within <FormField>\")\n  }\n\n  const { id } = itemContext\n\n  return {\n    id,\n    name: fieldContext.name,\n    formItemId: `${id}-form-item`,\n    formDescriptionId: `${id}-form-item-description`,\n    formMessageId: `${id}-form-item-message`,\n    ...fieldState,\n  }\n}\n\ntype FormItemContextValue = {\n  id: string\n}\n\nconst FormItemContext = React.createContext<FormItemContextValue>(\n  {} as FormItemContextValue\n)\n\nconst FormItem = React.forwardRef<\n  HTMLDivElement,\n  React.HTMLAttributes<HTMLDivElement>\n>(({ className, ...props }, ref) => {\n  const id = React.useId()\n\n  return (\n    <FormItemContext.Provider value={{ id }}>\n      <div ref={ref} className={cn(\"space-y-2\", className)} {...props} />\n    </FormItemContext.Provider>\n  )\n})\nFormItem.displayName = \"FormItem\"\n\nconst FormLabel = React.forwardRef<\n  React.ElementRef<typeof LabelPrimitive.Root>,\n  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root>\n>(({ className, ...props }, ref) => {\n  const { error, formItemId } = useFormField()\n\n  return (\n    <Label\n      ref={ref}\n      className={cn(error && \"text-destructive\", className)}\n      htmlFor={formItemId}\n      {...props}\n    />\n  )\n})\nFormLabel.displayName = \"FormLabel\"\n\nconst FormControl = React.forwardRef<\n  React.ElementRef<typeof Slot>,\n  React.ComponentPropsWithoutRef<typeof Slot>\n>(({ ...props }, ref) => {\n  const { error, formItemId, formDescriptionId, formMessageId } = useFormField()\n\n  return (\n    <Slot\n      ref={ref}\n      id={formItemId}\n      aria-describedby={\n        !error\n          ? `${formDescriptionId}`\n          : `${formDescriptionId} ${formMessageId}`\n      }\n      aria-invalid={!!error}\n      {...props}\n    />\n  )\n})\nFormControl.displayName = \"FormControl\"\n\nconst FormDescription = React.forwardRef<\n  HTMLParagraphElement,\n  React.HTMLAttributes<HTMLParagraphElement>\n>(({ className, ...props }, ref) => {\n  const { formDescriptionId } = useFormField()\n\n  return (\n    <p\n      ref={ref}\n      id={formDescriptionId}\n      className={cn(\"text-sm text-muted-foreground\", className)}\n      {...props}\n    />\n  )\n})\nFormDescription.displayName = \"FormDescription\"\n\nconst FormMessage = React.forwardRef<\n  HTMLParagraphElement,\n  React.HTMLAttributes<HTMLParagraphElement>\n>(({ className, children, ...props }, ref) => {\n  const { error, formMessageId } = useFormField()\n  const body = error ? String(error?.message ?? \"\") : children\n\n  if (!body) {\n    return null\n  }\n\n  return (\n    <p\n      ref={ref}\n      id={formMessageId}\n      className={cn(\"text-sm font-medium text-destructive\", className)}\n      {...props}\n    >\n      {body}\n    </p>\n  )\n})\nFormMessage.displayName = \"FormMessage\"\n\nexport {\n  useFormField,\n  Form,\n  FormItem,\n  FormLabel,\n  FormControl,\n  FormDescription,\n  FormMessage,\n  FormField,\n}\n",
      "type": "registry:ui",
      "target": ""
    }
  ]
}