I am trying to figure out the number of ISO weeks in a year.
This is what I have attempted so far:
moment.tz(2019, "YYYY", "UTC").endOf("year").isoWeek()
However, this method did not give me the correct answer because sometimes the 31st of December is considered ISO week 1.
I know there are possibly some less-than-ideal ways to solve this problem, but I am looking for a cleaner solution in my code.
Unfortunately, it appears that moment.js does not offer a specific interface for this task.
However, you may find a solution using pure JavaScript at the following link: Get weeks in year
Using Moment.js version 2.30.1, you can achieve the following:
console.log( moment().year(2003).isoWeeksInYear()); // 52
console.log( moment().year(2004).isoWeeksInYear()); // 53
console.log( moment().year(2005).isoWeeksInYear()); // 52
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