Canvas: build application infrastructure with drag and drop
Change-Id: I5cfd12e67794f3376c5c025af29470d52d77cf16
diff --git a/apps/canvas/src/components/ui/form.tsx b/apps/canvas/src/components/ui/form.tsx
new file mode 100644
index 0000000..f6afdaf
--- /dev/null
+++ b/apps/canvas/src/components/ui/form.tsx
@@ -0,0 +1,176 @@
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+import { Slot } from "@radix-ui/react-slot"
+import {
+ Controller,
+ ControllerProps,
+ FieldPath,
+ FieldValues,
+ FormProvider,
+ useFormContext,
+} from "react-hook-form"
+
+import { cn } from "@/lib/utils"
+import { Label } from "@/components/ui/label"
+
+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,
+}