const pluralize = function (singular, plural, count) { if (arguments.length === 2) { // Backward compability with prev usages, retrofit to the new params signature // pluralize('foobar' , 3) // => foobars return pluralize.call(this, arguments[0], arguments[0] + 's', arguments[1]); } return count === 1 ? singular : plural; }; pluralize.prefixWithCount = function (singular, plural, count) { return pluralize( `1 ${singular}`, // e.g. 1 item `${count} ${plural}`, // e.g. 123 items count ); }; module.exports = pluralize;