1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | 1 1 5 4 1 2 1 | 'use strict'; var _ = require('lodash'); module.exports = function(item) { if ( !_.isArray(item) || _.isEmpty(item) || !_.every(item, _.isNumber) || _.uniq(item).length !== item.length ) { return undefined; } item = _.map(item, function stringify(num) { return num.toString(); }); return {NS: item}; }; |