feat(ui): add form components

packages/ui/package.json

@@ -5,17 +5,21 @@
   "type": "module",
   "main": "./src/index.ts",
   "dependencies": {
+    "@hookform/resolvers": "^3.9.0",
     "@radix-ui/react-accordion": "^1.2.0",
     "@radix-ui/react-dialog": "^1.1.1",
     "@radix-ui/react-dropdown-menu": "^2.1.1",
+    "@radix-ui/react-label": "^2.1.0",
     "@radix-ui/react-slot": "^1.1.0",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
     "lucide-react": "^0.446.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-hook-form": "^7.53.0",
     "tailwind-merge": "^2.5.2",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwindcss-animate": "^1.0.7",
+    "zod": "^3.23.8"
   },
   "devDependencies": {
     "@types/react": "^18.3.3",

packages/ui/src/form.tsx

@@ -0,0 +1,176 @@
+import type * as LabelPrimitive from '@radix-ui/react-label'
+import { Slot } from '@radix-ui/react-slot'
+import * as React from 'react'
+import {
+  Controller,
+  type ControllerProps,
+  type FieldPath,
+  type FieldValues,
+  FormProvider,
+  useFormContext,
+} from 'react-hook-form'
+
+import { Label } from './label'
+import { cn } from './lib/cn'
+
+const Form = FormProvider
+
+type FormFieldContextValue<
+  TFieldValues extends FieldValues = FieldValues,
+  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
+> = {
+  name: TName
+}
+
+const FormFieldContext = React.createContext<FormFieldContextValue>(
+  {} as FormFieldContextValue,
+)
+
+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()
+
+  const fieldState = getFieldState(fieldContext.name, formState)
+
+  if (!fieldContext) {
+    throw new Error('useFormField should be used within <FormField>')
+  }
+
+  const { id } = itemContext
+
+  return {
+    id,
+    name: fieldContext.name,
+    formItemId: `${id}-form-item`,
+    formDescriptionId: `${id}-form-item-description`,
+    formMessageId: `${id}-form-item-message`,
+    ...fieldState,
+  }
+}
+
+type FormItemContextValue = {
+  id: string
+}
+
+const FormItemContext = React.createContext<FormItemContextValue>(
+  {} as FormItemContextValue,
+)
+
+const FormItem = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement>
+>(({ className, ...props }, ref) => {
+  const id = React.useId()
+
+  return (
+    <FormItemContext.Provider value={{ id }}>
+      <div ref={ref} className={cn('space-y-2', className)} {...props} />
+    </FormItemContext.Provider>
+  )
+})
+FormItem.displayName = 'FormItem'
+
+const FormLabel = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root>
+>(({ className, ...props }, ref) => {
+  const { error, formItemId } = useFormField()
+
+  return (
+    <Label
+      ref={ref}
+      className={cn(error && 'text-destructive', className)}
+      htmlFor={formItemId}
+      {...props}
+    />
+  )
+})
+FormLabel.displayName = 'FormLabel'
+
+const FormControl = React.forwardRef<
+  React.ElementRef<typeof Slot>,
+  React.ComponentPropsWithoutRef<typeof Slot>
+>(({ ...props }, ref) => {
+  const { error, formItemId, formDescriptionId, formMessageId } = useFormField()
+
+  return (
+    <Slot
+      ref={ref}
+      id={formItemId}
+      aria-describedby={
+        !error
+          ? `${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
+
+  if (!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 {
+  useFormField,
+  Form,
+  FormItem,
+  FormLabel,
+  FormControl,
+  FormDescription,
+  FormMessage,
+  FormField,
+}

packages/ui/src/index.ts

@@ -8,3 +8,5 @@ export * from './card'
 export * from './input'
 export * from './sheet'
 export * from './accordion'
+export * from './label'
+export * from './form'

packages/ui/src/label.tsx

@@ -0,0 +1,24 @@
+import * as LabelPrimitive from '@radix-ui/react-label'
+import { type VariantProps, cva } from 'class-variance-authority'
+import * as React from 'react'
+
+import { cn } from './lib/cn'
+
+const labelVariants = cva(
+  'text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70',
+)
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> &
+    VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root
+    ref={ref}
+    className={cn(labelVariants(), className)}
+    {...props}
+  />
+))
+Label.displayName = LabelPrimitive.Root.displayName
+
+export { Label }