1.1.2

[shuding]

Highlights of This Release

Use the Latest Fetcher Function

SWR will now use the latest fetcher function passed to the hook, when sending the request. Previously it uses the initial snapshotted fetcher.

Avoid Unnecessary Auto Revalidations

When refocusing on the window with state changes (like clicking a button that changes the SWR key immediately), SWR now avoids revalidations if they're not necessary. Details can be found in #1720.

New Types for useSWRInfinite

Two types for useSWRInfinite are added: SWRInfinteHook and SWRInfinteKeyLoader. You can use them to type the hook and the getKey function.

New populateCache option for mutate

A new option to control if the mutation data should be written to the cache. You can find the details in #1729.

What's Changed

• Make polyfill for requestAnimationFrame more robust by @thomaspaulmann in Make polyfill for requestAnimationFrame more robust #1707
• type(infinite): export SWRInfinteHook and SWRInfiniteKeyLoader from infinite, rename InfiniteFetcher to SWRInfiniteFetcher by @houkanshan in type(infinite): export SWRInfinteHook and SWRInfiniteKeyLoader from infinite, rename InfiniteFetcher to SWRInfiniteFetcher #1714
• feat: Ensure auto revalidations are executed after state updates by @shuding in feat: Ensure auto revalidations are executed after state updates #1720
• Add moduleNameMapper to jest by @shuding in Add moduleNameMapper to jest #1724
• Improve test by @promer94 in Improve test #1725
• feat: Use the latest reference of fetcher by @shuding in feat: Use the latest reference of fetcher #1727
• fix: Re-export InfiniteFetcher by @shuding in fix: Re-export InfiniteFetcher #1728
• feat: Add populateCache option to mutate by @shuding in feat: Add populateCache option to mutate #1729
• Fix local state sharing example deps by @huozhi in Fix local state sharing example deps #1737
• Merge states for concurrent requests by @shuding in Merge states for concurrent requests #1741
• Skip error retrying when document is not active and improve tests by @shuding in Skip error retrying when document is not active and improve tests #1742

New Contributors

• @thomaspaulmann made their first contribution in Make polyfill for requestAnimationFrame more robust #1707
• @houkanshan made their first contribution in type(infinite): export SWRInfinteHook and SWRInfiniteKeyLoader from infinite, rename InfiniteFetcher to SWRInfiniteFetcher #1714

Full Changelog: 1.1.1...1.1.2

---

This discussion was created from the release 1.1.2.

[joelmoss]

Use the Latest Fetcher Function
SWR will now use the latest fetcher function passed to the hook, when sending the request. Previously it uses the initial snapshotted fetcher.

Just an FYI for the future, but this should have been marked as a breaking change. It broke my app, as I was relying on variables from outside the fetcher function.

Fortunately it turned out to be an easy fix.

[shuding]

Can you share a bit more about why it breaks your code instead of fixes it? Why don’t you want the fetcher to use the latest value?

[joelmoss]

It was simply because of how I was using variables within the fetcher function. After changing it to not use variables from outside, all is fine. So the fix was simple, and actually better. But your change broke backwards compat due to the latest fetcher being used instead of the initial.