feat: improve duplicate key error for keyed each blocks#8411

Merged

dummdidumm merged 4 commits intosveltejs:version-4from

rafistrauss:gh-8410

Apr 18, 2023

Commits on Mar 23, 2023

Emit the duplicate key as part of the error message when validating keyed each blocks
rafistrauss
committed

Commits on Apr 18, 2023