Function preloadFirestoreDoc

src/firestore.tsx:28–31

(refProvider: () => Promise<DocumentReference>)

 * Use this to warm up `useFirestoreDoc` for a specific document
 */
export async function preloadFirestoreDoc(refProvider: () => Promise<DocumentReference>) {
  const ref = await refProvider();
  return preloadObservable(doc(ref), getDocObservableId(ref));
}

function getDocObservableId(ref: DocumentReference) {
  return `firestore:doc:${ref.firestore.app.name}:${ref.path}`;