Frontend

Small but monumental update to Svelte 5: state variables defined with the `$derived()` rune can now be directly assigned to, just like variables from `$props()`.

This makes optimistic updates and other situations involving ephemeral state much simpler to write!

Small but monumental update to Svelte 5: state variables defined with the `$derived()` rune can now be directly assigned to, just like variables from `$props()`.

This makes optimistic updates and other situations involving ephemeral state much simpler to write!

https://github.com/sveltejs/svelte/pull/15570

/frontend dev・founder/decentralized data wrangler /blockhead・UI/UX abstractionist・DeFi/web3 builder・dropout・24・prev /dydx, ritual.net・x.com/darryl__yeo

https://github.com/sveltejs/cli/issues/487#issuecomment-2743253910

https://x.com/sveltesociety/status/1903151335685656715

https://svelte.dev/docs/svelte/$derived#Overriding-derived-values

Part of me thinks it was a missed opportunity that `const` / `let` is used to signify framework-level writability instead of user-level writability

I don’t know what to think this looks like something my first reaction is to ban anyone from using the feature. But that’s just a gut reaction I want to think about it some