// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.// This module is browser compatible. import{DAY}from"./constants.ts"; /** * Returns the number of the day in the year. * * @example * ```ts * import { dayOfYear } from "https://deno.land/std@$STD_VERSION/datetime/mod.ts"; * * dayOfYear(new Date("2019-03-11T03:24:00")); // output: 70 * ``` * * @return Number of the day in year */exportfunctiondayOfYear(date:Date):number{// Values from 0 to 99 map to the years 1900 to 1999. All other values are the actual year. (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/Date)// Using setFullYear as a workaround const yearStart =newDate(date); yearStart.setUTCFullYear(date.getUTCFullYear(),0,0);const diff = date.getTime()- yearStart.getTime(); returnMath.floor(diff /DAY);}