Function assertValidDate

assertValidDate(date: Date, name?: string): void
Throw unless date is a Date holding a real instant (new Date(NaN) and non-Dates are rejected).
Parameters
- date: Date
- name: string = 'date'
Returns void
Throws
RangeError
Example
```
assertValidDate(new Date('2026-07-02T00:00:00Z')); // passes
```
- Defined in core/src/math/validate.ts:68