Functions for adding bookmark folders and links by Observables

background.ts

function addBookMarkFolder(): Observable<chrome.bookmarks.BookmarkTreeNode> {
  return new Observable((observer) =>
    chrome.bookmarks.create(BOOKMARK_FOLDER, (bookMarkFolder) =>
      observer.next(bookMarkFolder)
    )
  );
}

function addBookMarkLink(bookMarkFolder: chrome.bookmarks.BookmarkTreeNode): Observable<string> {
  return new Observable((observer) =>
    chrome.bookmarks.create(
      { ...BOOKMARK_LINK, parentId: bookMarkFolder.id }, // parentId takes the folder id created from addBookMarkFolder
      (bookMark) => observer.next(`Added folder ${bookMarkFolder.title} & link ${bookMark.title}`)
    )
  );
}