import DOMPurify from 'isomorphic-dompurify';

/**
 * Sanitizes HTML content to prevent XSS attacks.
 * Use this before passing content to dangerouslySetInnerHTML.
 */
export function sanitizeHTML(html: string): string {
    return DOMPurify.sanitize(html, {
        USE_PROFILES: { html: true },
        ALLOWED_TAGS: [
            'p', 'br', 'b', 'i', 'em', 'strong', 'a', 'ul', 'ol', 'li', 
            'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'span', 'div',
            'img', 'table', 'thead', 'tbody', 'tr', 'th', 'td'
        ],
        ALLOWED_ATTR: ['href', 'target', 'rel', 'src', 'alt', 'class', 'style']
    });
}