ConceptPortal-public/rsconcept/frontend/src/components/ui/Dropdown.tsx

import clsx from 'clsx';
import { motion } from 'framer-motion';

import { animateDropdown } from '@/styling/animations';

import { CProps } from '../props';

interface DropdownProps extends CProps.Styling {
  /** Indicates whether the dropdown should stretch to the left. */
  stretchLeft?: boolean;

  /** Indicates whether the dropdown should stretch to the top. */
  stretchTop?: boolean;

  /** Indicates whether the dropdown is open. */
  isOpen: boolean;
}

/**
 *  Animated list of children with optional positioning and visibility control.
 */
function Dropdown({
  isOpen,
  stretchLeft,
  stretchTop,
  className,
  children,
  ...restProps
}: React.PropsWithChildren<DropdownProps>) {
  return (
    <div className='relative'>
      <motion.div
        tabIndex={-1}
        className={clsx(
          'z-topmost',
          'absolute mt-3',
          'flex flex-col',
          'border rounded-md shadow-lg',
          'text-sm',
          'clr-input',
          {
            'right-0': stretchLeft,
            'left-0': !stretchLeft,
            'bottom-[2rem]': stretchTop
          },
          className
        )}
        initial={false}
        animate={isOpen ? 'open' : 'closed'}
        variants={animateDropdown}
        {...restProps}
      >
        {children}
      </motion.div>
    </div>
  );
}

export default Dropdown;