1
function escapeHtmlAttribute(value: string) {
2
  return value.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
3
}
4
 
5
export function serializeBodyAttributes(body: HTMLElement) {
6
  const attributes = ["dir", "lang", "style"]
7
    .map((name) => {
8
      const value = body.getAttribute(name);
9
      if (!value) {
10
        return null;
11
      }
12
 
13
      return `${name}="${escapeHtmlAttribute(value)}"`;
14
    })
15
    .filter((value): value is string => Boolean(value));
16
 
17
  return attributes.join(" ");
18
}
19
 
20
export function serializeStyleTag(value: string) {
21
  return `<style>${value.replace(/<\/style/gi, "<\\/style")}</style>`;
22
}