robot-isvalid-date

library to validate data in various formats

const isValidDate = require('robot-isvalid-date')

isValidDate('1998-06-12') // true
isValidDate('1998.06.12',"yyyy.mm.dd") // true
isValidDate('1998/06/12',"YYYY/MM/DD") // true

isValidDate('12/6/1998') // false

isValidDate('12.06.1998', "dd.mm.yyyy") // true
isValidDate('06/12/1998', "mm/dd/yyyy") // true
isValidDate('06-1998-12', "mm/yyyy/dd") // true

isValidDate('2020-02-29') // true  | leap year
isValidDate('2021-02-29') // false | it's not a leap year

isValidDate('2021-02-36') // false | there is no such date