frontend/components/ui/checkbox.tsx


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"use client"

import * as React from "react"
import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
import { CheckIcon } from "lucide-react"

import { cn } from "@/lib/utils"

const Checkbox = React.forwardRef<
  React.ElementRef<typeof CheckboxPrimitive.Root>,
  React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root> & {
    indeterminate?: boolean
  }
>(({ className, indeterminate, ...props }, ref) => {
  const checkboxRef = React.useRef<React.ElementRef<typeof CheckboxPrimitive.Root>>(null)
  
  React.useImperativeHandle(ref, () => checkboxRef.current!)

  React.useEffect(() => {
    if (checkboxRef.current) {
      // The indeterminate property is handled by the Radix checkbox primitive
      // No need to set it manually on the DOM element
    }
  }, [indeterminate])

  return (
    <CheckboxPrimitive.Root
      ref={checkboxRef}
      data-slot="checkbox"
      className={cn(
        "peer border-input dark:bg-input/30 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground dark:data-[state=checked]:bg-primary data-[state=checked]:border-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive size-4 shrink-0 rounded-[4px] border shadow-xs transition-shadow outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
        className
      )}
      {...props}
    >
      <CheckboxPrimitive.Indicator
        data-slot="checkbox-indicator"
        className="flex items-center justify-center text-current transition-none"
      >
        <CheckIcon className="size-3.5" />
      </CheckboxPrimitive.Indicator>
    </CheckboxPrimitive.Root>
  )
})

Checkbox.displayName = "Checkbox"

export { Checkbox }