Function parseCollectionPost

parseCollectionPost(
    topic: string,
    itemEl: Element,
    from: string,
): XmppCollectionPost | undefined
Parses a collection post from a PubSub item element.
Parameters
- topic: string
  PubSub topic that carried the item.
- itemEl: Element
  Item element to parse.
- from: string
  Sender JID or peer reference.
Returns XmppCollectionPost | undefined
A normalized collection post or undefined.
- Defined in src/core/xmpp-pubsub.ts:65