3x-ui-agent/docs/components/tools/shared/copy-button.tsx

'use client';

import { useState } from 'react';
import { Check, Copy } from 'lucide-react';
import { cn } from '@/lib/cn';

export function CopyButton({
  value,
  label = 'Copy',
  className,
}: {
  value: string;
  label?: string;
  className?: string;
}) {
  const [copied, setCopied] = useState(false);

  async function copy() {
    try {
      await navigator.clipboard.writeText(value);
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch {
      // Clipboard unavailable (insecure context) — ignore.
    }
  }

  return (
    <button
      type="button"
      onClick={copy}
      aria-label={copied ? 'Copied' : label}
      className={cn(
        'inline-flex items-center gap-1.5 rounded-lg border px-2.5 py-1.5 text-xs font-medium transition-colors hover:bg-fd-accent hover:text-fd-accent-foreground focus-visible:outline-2 focus-visible:outline-fd-ring',
        className,
      )}
    >
      {copied ? (
        <Check className="size-3.5 text-brand" aria-hidden />
      ) : (
        <Copy className="size-3.5" aria-hidden />
      )}
      <span>{copied ? 'Copied' : label}</span>
    </button>
  );
}