damienlabbecountyearssince v1.0.0

Count years since Install yarn add countyearssince

or

npm install countyearssince

Usage const countYearsSince = require('countyearssince');

or

import countYearsSince from 'countyearssince';

and then

countYearsSince(2000) // should give 20 if we are in 2020