Skip to content

(fix) keepPreviousData: return fallback instead of undefined value #4087

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Feb 5, 2025
Merged

(fix) keepPreviousData: return fallback instead of undefined value #4087

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9ae85c5
(fix) keepPreviousData: return fallback instead of undefined value
dvoytenko Feb 5, 2025
bd322f7
add comment
huozhi Feb 5, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion src/index/use-swr.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,9 @@ export const useSWRHandler = <Data = any, Error = any>(

const returnedData = keepPreviousData
? isUndefined(cachedData)
? laggyDataRef.current ?? data
? isUndefined(laggyDataRef.current)
? data
: laggyDataRef.current
: cachedData
: data

Expand Down
Loading