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I love all the changes except that single thing with let count = $state(0);

I'm just brainstorming here, but what about an optional $reactive rune where everything in that is reactive by default?

$reactive(() => { let name = 'world'; });

vs

let name = $state('world');

They mentioned that the team tried around 50 different variations. Meaning they spent a lot more time than a comment on this. I would trust they know what they are doing considering track record of Svelte team.

Tbh this seems kinda rude. Maybe check github i am sure the whole journey can be seen there.

I don't mean to be rude, I'm just brainstorming. I'm sure they have thought about it I'm just commenting in the small chance that they haven't

Maybe reuse the $:{} here, tho that would probably be really confusing for svelte 4 developers lol

$:{ let name = 'world'; };

vs

let name = $state('world');

$: is valid javascript right? So that should also work in .js/.ts files I assume

I think the reason they didn't opt for this approach is that putting stuff in a {} block creates its own scope, so any variables declared within that block are inaccessible from outside said scope.

The $: label syntax is valid JavaScript, but allowing scoped variables to be accessible outside of scope is very invalid JavaScript.

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