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import * as React from 'react';
import * as LabelPrimitive from '@radix-ui/react-label';
import { Slot } from '@radix-ui/react-slot';
import {
Controller,
FormProvider,
useFormContext,
type ControllerProps,
type FieldPath,
type FieldValues,
} from 'react-hook-form';
import { cn } from '@/lib/utils';
import { Label } from '@/components/public/ui/label';
const Form = FormProvider;
type FormFieldContextValue<
TFieldValues extends FieldValues = FieldValues,
TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
> = {
name: TName;
};
const FormFieldContext = React.createContext<FormFieldContextValue | null>(null);
const FormField = <
TFieldValues extends FieldValues = FieldValues,
TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
>({
...props
}: ControllerProps<TFieldValues, TName>) => {
return (
<FormFieldContext.Provider value={{ name: props.name }}>
<Controller {...props} />
</FormFieldContext.Provider>
);
};
const useFormField = () => {
const fieldContext = React.useContext(FormFieldContext);
const itemContext = React.useContext(FormItemContext);
const { getFieldState, formState } = useFormContext();
Iif (!fieldContext) {
throw new Error('useFormField should be used within <FormField>');
}
Iif (!itemContext) {
throw new Error('useFormField should be used within <FormItem>');
}
const fieldState = getFieldState(fieldContext.name, formState);
const { id } = itemContext;
return {
id,
name: fieldContext.name,
formItemId: `${id}-form-item`,
formDescriptionId: `${id}-form-item-description`,
formMessageId: `${id}-form-item-message`,
...fieldState,
};
};
type FormItemContextValue = {
id: string;
};
const FormItemContext = React.createContext<FormItemContextValue | null>(null);
const FormItem = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
({ className, ...props }, ref) => {
const id = React.useId();
return (
<FormItemContext.Provider value={{ id }}>
<div ref={ref} className={cn('space-y-2', className)} {...props} />
</FormItemContext.Provider>
);
}
);
FormItem.displayName = 'FormItem';
const FormLabel = React.forwardRef<
React.ElementRef<typeof LabelPrimitive.Root>,
React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root>
>(({ className, ...props }, ref) => {
const { error, formItemId } = useFormField();
return (
<Label
ref={ref}
className={cn(error && 'text-destructive', className)}
htmlFor={formItemId}
{...props}
/>
);
});
FormLabel.displayName = 'FormLabel';
const FormControl = React.forwardRef<
React.ElementRef<typeof Slot>,
React.ComponentPropsWithoutRef<typeof Slot>
>(({ ...props }, ref) => {
const { error, formItemId, formDescriptionId, formMessageId } = useFormField();
return (
<Slot
ref={ref}
id={formItemId}
aria-describedby={!error ? `${formDescriptionId}` : `${formDescriptionId} ${formMessageId}`}
aria-invalid={!!error}
{...props}
/>
);
});
FormControl.displayName = 'FormControl';
const FormDescription = React.forwardRef<
HTMLParagraphElement,
React.HTMLAttributes<HTMLParagraphElement>
>(({ className, ...props }, ref) => {
const { formDescriptionId } = useFormField();
return (
<p
ref={ref}
id={formDescriptionId}
className={cn('text-[0.8rem] text-muted-foreground', className)}
{...props}
/>
);
});
FormDescription.displayName = 'FormDescription';
const FormMessage = React.forwardRef<
HTMLParagraphElement,
React.HTMLAttributes<HTMLParagraphElement>
>(({ className, children, ...props }, ref) => {
const { error, formMessageId } = useFormField();
const body = error ? String(error?.message ?? '') : children;
Eif (!body) {
return null;
}
return (
<p
ref={ref}
id={formMessageId}
className={cn('text-[0.8rem] font-medium text-destructive', className)}
{...props}
>
{body}
</p>
);
});
FormMessage.displayName = 'FormMessage';
export {
// eslint-disable-next-line react-refresh/only-export-components
useFormField,
Form,
FormItem,
FormLabel,
FormControl,
FormDescription,
FormMessage,
FormField,
};
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