add updating guard to binding callback#5126

Merged

Conduitry merged 2 commits intosveltejs:masterfrom tanhauhau:tanhauhau/gh-3180

Jul 17, 2020

+144-48

Commits on Jul 15, 2020

binding callback only call when value changes internally
tanhauhau
committed

Commits on Jul 17, 2020

update changelog
Conduitry
committed