DefectingCat.github.io/components/post/copy-button.tsx

import clsx from 'clsx';
import { forwardRef, memo, useState } from 'react';
import styles from './copy-button.module.css';

export type CopyButtonProps = {
  className?: string;
  onCopy?: () => void;
};

const CopyButton = forwardRef<HTMLButtonElement, CopyButtonProps>(
  ({ onCopy: onClick, className }, ref) => {
    const [copied, setCopied] = useState(false);
    const handleClick = () => {
      onClick?.();
      setCopied(true);
      setTimeout(() => {
        setCopied(false);
      }, 1000);
    };

    return (
      <>
        <button
          ref={ref}
          className={clsx(
            'flex items-center justify-center',
            'border rounded-lg',
            'p-[6px] opacity-0',
            'group-hover:opacity-100',
            'transition-opacity dark:border-gray-700',
            'duration-300',
            className,
            styles.btn,
          )}
          onClick={handleClick}
        >
          <span
            className={clsx(
              'relative w-5 h-5 text-gray-400 child',
              'transition-all duration-300',
              styles.child,
            )}
          >
            <svg
              className={clsx(
                'absolute top-0 left-0 fill-current',
                'opacity-100 transition-all duration-300',
                copied && styles['on_copy'],
              )}
              viewBox="0 0 24 24"
            >
              <path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path>
            </svg>
            <svg
              className={clsx(
                'absolute top-0 left-0 fill-green-400',
                'scale-[0.33] transition-all duration-300',
                'opacity-0',
                copied && styles['on_ok'],
              )}
              viewBox="0 0 24 24"
            >
              <path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path>
            </svg>
          </span>
        </button>
      </>
    );
  },
);

CopyButton.displayName = 'CopyButton';

export default memo(CopyButton);