1
function normalizeExternalLinkTarget(value: string) {
2
  return value.trim().replace(/^['"]|['"]$/g, "");
3
}
4
 
5
export function buildExternalLinkRedirectHref(value: string) {
6
  return `/link?url=${encodeURIComponent(normalizeExternalLinkTarget(value))}`;
7
}
8
 
9
export function parseExternalLinkTarget(rawTarget: string | null) {
10
  if (!rawTarget) {
11
    return null;
12
  }
13
 
14
  try {
15
    const target = new URL(rawTarget, window.location.origin);
16
    if (target.protocol !== "http:" && target.protocol !== "https:") {
17
      return null;
18
    }
19
 
20
    return target;
21
  } catch {
22
    return null;
23
  }
24
}