Microsoft/TypeScript
Omitting a property from tuple breaks destruction
Offen
#54.371 geöffnet am 24.05.2023
BugDomain: Mapped TypesHelp Wanted
Repository-Metriken
- Stars
- (108.860 Sterne)
- PR-Merge-Metriken
- (PR-Metriken ausstehend)
Beschreibung
Bug Report
🔎 Search Terms
tuple omit property
Searched in Bing and Github issues but I found nothing
🕗 Version & Regression Information
- This is the behavior in every version I tried
⏯ Playground Link
💻 Code
const foo = [1, "2"] as const
const [a, b] = foo // everything works well, a is number and b is string
const bar = [1, "2"] as Omit<[number, string], "at">
const [c, d] = bar // Oops! c and d are string | number now
🙁 Actual behavior
↑
c and d are both string | number
🙂 Expected behavior
a and b should have correct type