verificator/es/rules/required_unless.js

Client and server-side validation JavaScript library

import requireParameterCount from './helpers/requireParameterCount';
import required from './required';
const validate = (attribute, value, parameters, validator) => {
    requireParameterCount(2, parameters, 'required_unless');
    const data = validator.getValue(parameters[0]);
    const values = parameters.slice(1);
    if (values.indexOf(data) === -1) {
        return required(attribute, value, parameters, validator);
    }
    return true;
};
export default validate;