assertNotAsync()function
assertNotAsync(value: PromiseLike<T> | T): asserts value is T
| Param | Type | |
|---|---|---|
value | PromiseLike<T>T | The value to assert. required |
| Return | |
|---|---|
asserts value is T |
| Throws | |
|---|---|
RequiredError | If value is a PromiseLike. |
Assert an unknown value is synchronous (i.e. does not have a .then() method).
Examples
assertNotAsync(123); // passes