Function validateRequired

tests/testSchemas.js:7–11

const isObject = a => !!a && a.constructor === Object;

const validateRequired = obj => {
    const errors = validateRequiredRecursive(obj);
    if (errors.length === 0) return null;
    return errors;
};

const validateRequiredRecursive = (obj, path = '') => {
    if (!isObject(obj)) return [];