assertBoolean()function
assertBoolean(value: unknown, caller: AnyCaller = assertBoolean): asserts value is boolean
| Param | Type | |
|---|---|---|
value | unknown | The value to assert. required |
caller | AnyCaller | Function to attribute a thrown error to (defaults to assertBoolean itself). Defaults to assertBoolean |
| Return | |
|---|---|
asserts value is boolean |
| Throws | |
|---|---|
RequiredError | If value is not a boolean. |
Assert that an unknown value is a boolean.