function enumValidator<T>(enumMap): (x) => x is Object extends T ? never : T[keyof T]
Creates a validator which tests if the target is a value in the specified enum.
Note that numbers in enums are reverse-mapped by the TS transpiler, so the specified keys are also values.
Type parameters
| Type parameter |
|---|
T |
Parameters
| Parameter | Type |
|---|---|
enumMap | T |
Returns
Function
Parameters
| Parameter | Type |
|---|---|
x | unknown |
Returns
x is Object extends T ? never : T[keyof T]