Don't overwrite watchlist (#3769) (#3796)

* Don't overwrite empty watchlist (#3769) * setWatchlist function Co-authored-by: Joystream Stats <dev@joystreamstats.live>
Joystream · Dec 12, 2022 · 8a34719 · 8a34719 · vercel · Dec 12, 2022
1 parent a591d7a
commit 8a34719
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/ui/src/forum/components/Thread/WatchlistButton.tsx b/packages/ui/src/forum/components/Thread/WatchlistButton.tsx
@@ -14,14 +14,14 @@ export const WatchlistButton = ({ threadId }: Props) => {
  const addToWatchlist = useCallback(
  (e) => {
  e.stopPropagation()
- setWatchlist(watchlist ? [...watchlist, threadId] : [threadId])
+ setWatchlist((watchlist = []) => [...watchlist, threadId])
  },
  [watchlist]
  )
  const removeFromWatchlist = useCallback(
  (e) => {
  e.preventDefault()
- setWatchlist(watchlist?.filter((id) => id !== threadId) ?? [])
+ setWatchlist((watchlist = []) => watchlist.filter((id) => id !== threadId))
  },
  [watchlist]
  )