A library that has some date verification and utilities with a dependency on Moment
npm install date-utility
const dateUtil = require('date-utility');
const currentYear = dateUtil.getCurrentYear(); // 2017
const age = dateUtil.getYearsSince(1944); // 73
const formattedDate = dateUtil.getFormattedDate("01/01/2017") //"2017-01-01"
const validDate = dateUtil.isValidDate("01/01/2017") //true
npm test
moment