[BUG] Date validation generate excessive code which does not work

[FredTreg]

Describe the bug
When validating a Date, Assert produces more than 80 lines of code. I understand that the validation mechanism is generic, but for this builtin type, could the code be reduced to if (!(a instanceof Date))?
Besides the generated code does not work with Error: Expected d.toLocaleString to be an object which should not be expected.

As Dates are not part of Json, I would understand if this is not a target for ts-runtime-checks, I'll use NoCheck<Date> on my types if that's the case.

Playground link
playground

Expected behavior
Date fields validate correctly

Additional context

[GoogleFeud]

I've always thought of Date as a class but the typescript library defines it as an interface and for that reason it's not treated as a class by the library. I'll add Date as an exception in the next patch so the code gets generated correctly!

In the meanwhile, you could use a custom Check:

type $Date = NoCheck<Date> & Check<"$self instanceof Date", "to be a date">;

[FredTreg]

Thanks for the workaround!

I think the issue also exists with Object