import { differenceInCalendarYears } from "https://deno.land/x/date_fns@v2.0.0-beta.2/index.js";
Examples
// How many calendar years are between 31 December 2013 and 11 February 2015?
var result = differenceInCalendarYears(
new Date(2015, 1, 11),
new Date(2013, 11, 31)
)
//=> 2
// How many calendar years are between 31 December 2013 and 11 February 2015? var result = differenceInCalendarYears( new Date(2015, 1, 11), new Date(2013, 11, 31) ) //=> 2