validateDatetime.js

import { parsePhoneNumber } from 'libphonenumber-js'
import { validate, isString } from 'validate.js'
import * as REGEX_PATTERNS from './regex/constants'
import moment from 'moment'

// tslint:disable:no-unsafe-any
export const PHONE_NUMBER = (value: string) => {
  const errorMessage = 'is invalid'
  if (!!value && isString(value)) {
    try {
      return parsePhoneNumber(value, 'US').isValid() ? undefined : errorMessage // TODO: International
    } catch {
      return errorMessage
    }
  }
  return errorMessage
}

export const TAX_NUMBER = (value: string) => {
  const errorMessage = 'is invalid'
  if (!isString(value)) {
    return errorMessage
  }

  const sanitizedTaxNumber = value.replace(/\D/g, '')
  // tslint:disable-next-line:no-magic-numbers
  return sanitizedTaxNumber.length === 9 && REGEX_PATTERNS.SSN.test(sanitizedTaxNumber) ?
    undefined :
    errorMessage
}

const validators: any = (validate as any).validators
if (validators) {
  validators.phoneNumber = PHONE_NUMBER
  validators.taxNumber = TAX_NUMBER

  const extend = (validate as any).extend
  if (extend) {
    extend(validators.datetime, {
      parse(value: any, options: any) {
        return +moment(value)
      },
      format(value: any, options: any) {
        const format = options.dateOnly ? 'YYYY-MM-DD' : 'YYYY-MM-DD hh:mm:ss'
        return moment(value).format(format)
      }
    })
  }
}

export { validate }