verificator/es/rules/helpers/getDateFormat.js

Client and server-side validation JavaScript library

const getDateFormat = (attribute, validator) => {
    let rule = validator.getRule(attribute, 'date_format');
    if (rule) {
        const { parameters: [format] } = rule;
        return typeof format === 'string' && format ? format : null;
    }
    return null;
};
export default getDateFormat;