Function checkIf

checkIf<T>(
checker: (value: T) => boolean,
validationError?: ValidationError,
): ValidationCheckerFunction<T>
Results in "validity" if the specified function returns true for a given value, otherwise results in "invalidity".
Type Parameters
- T
Parameters
- checker: (value: T) => boolean
- validationError: ValidationError = defaultValidationError
Returns ValidationCheckerFunction<T>