Microsoft/TypeScript
TS is overly picky when declaring a class constructor type
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#29.707 geöffnet am 03.02.2019
BugDomain: classesGood First IssueHelp Wanted
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Beschreibung
TypeScript Version: 3.4.0-dev.20190202
Search Terms: class, extend, constructor, any[]
Code
type ClassConstructor = new(...args: any[]) => {}
function mixin<C extends ClassConstructor>(Class: C) {
return class extends Class {}
}
Expected behavior:
I should be able to replace ...args: any[] with ...args: unknown[], or any other signature.
Actual behavior:
Error: Type 'C' is not a constructor function type. [2507]