Component Prop TypeScript Regression #2506
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dummdidumm
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Sep 19, 2024
This reverts commit 8c080cf. This reverts #2477. Sadly, the idea didn't work out, as shown by two opened bug reports: - #2506: A type union can be narrowed on the input, but not on the way back out - #2494: A generic nested within a bound value is not properly resolved and not falling back to `any` (in #2477 we thought of the generic case, but only for when the generic is the whole value type, not when it's nested) For these reasons I don't see a way to properly implement #1392 at the moment.
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Describe the bug
bind:does not respect discriminated unions and merges the possible types into one.Likely introduced here? #2477
Reproduction
https://github.com/huntabyte/disc-union-repro
Expected behaviour
Respect discriminated unions.
System Info
Which package is the issue about?
Svelte for VS Code extension, svelte-language-server, svelte2tsx, svelte-check
Additional Information, eg. Screenshots
No response
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