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A comment on Svelte 3: Rethinking Reactivity. Parent comment

Re:Svelte 3: Rethinking Reactivity by rich_harris on Monday April 22, 2019 @12:17PM (#19720137)
Sort of, via preprocessing, but you won't get any real benefit from it at present. There are two barriers: the compiler itself needs to become TS-aware, and we need to teach editors like VSCode how to typecheck inside <script> blocks.

It's very much on the radar (I'm a TS convert, personally — Svelte itself is written in TypeScript), we just need to get round to it. The version 3 rewrite was largely about laying the foundations for TS support.

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Re:Svelte 3: Rethinking Reactivity by Vinnl on Monday April 22, 2019 @03:54PM (#19722238)
Svelte itself has been on my radar for quite a while - I think when proper TypeScript support lands, that will be the first time I'll actually give it a try for one project or another. The idea is intriguing, thanks for working on it!
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Re:Svelte 3: Rethinking Reactivity by dbrgn on Tuesday April 23, 2019 @03:03AM (#19726239)
Do you have any estimate on how much work that'll be? Do you think you'll be able to land TS support (including type-checking through the command line) within half a year, or is that a bigger thing?
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