import DOMPurify from 'isomorphic-dompurify';

export function sanitize(input: string): string {
  return DOMPurify.sanitize(input, { ALLOWED_TAGS: [] });
}

/** Sanitize HTML produced by react-markdown — allows safe formatting tags only. */
export function sanitizeMarkdownHtml(input: string): string {
  return DOMPurify.sanitize(input, {
    ALLOWED_TAGS: [
      'p',
      'br',
      'strong',
      'b',
      'em',
      'i',
      'a',
      'ul',
      'ol',
      'li',
      'code',
      'pre',
      'blockquote',
      'h1',
      'h2',
      'h3',
      'h4',
      'h5',
      'h6',
    ],
    ALLOWED_ATTR: ['href', 'target', 'rel'],
  });
}