assertDate()function
assertDate(value: unknown, caller: AnyCaller = assertDate): asserts value is Date
| Param | Type | |
|---|---|---|
value | unknown | The value to check. required |
caller | AnyCaller | The function to attribute a thrown error to (defaults to assertDate). Defaults to assertDate |
| Return | |
|---|---|
asserts value is Date |
| Throws | |
|---|---|
RequiredError | If the value is not a valid Date instance. |
Assert that a value is a valid Date instance.
Examples
assertDate(value); // throws unless `value` is a valid `Date`