Alertify is what we're using across our eCommerce platform, but I'm willing to bet that your manager will have the same complaints with it as they do with SweetAlert. Source: almost 3 years ago

Luxon (14.7k ⭐) — A library that leverages JavaScript’s Intl for speed and slimness while providing what Intl doesn’t: an immutable user-friendly API. It also supports time zones and localization. - Source: dev.to / 29 days ago

To be honest, use a library where someone else figured out the ambiguities and accounted for the edge cases. Good starting point: https://moment.github.io/luxon/#/math Date-fns is fine for simpler use cases but Luxon is a lot more complete, especially where it comes to time zones. - Source: Hacker News / 4 months ago

You should never, ever do date math naively like this. There are too many unexpected edge case, especially between time zones or daylight savings time or leap years, but even without them: https://moment.github.io/luxon/#/math In fact I would strongly argue you should never use the JS Date built-in at all because they are terrible. Use a library like Luxon or date-fns. As a frontend dev, this is the most common... - Source: Hacker News / 4 months ago

Eleventyone’s project scaffold includes: Eleventy with a skeleton site, a date format filter for Nunjucks based on Luxon, a tiny CSS pipeline with PostCSS, an equally tiny inline JS pipeline, JS search index generator, Netlify Dev for testing Netlify redirects, and a serverless (FaaS) development pipeline with Netlify Dev and Netlify Functions. - Source: dev.to / over 1 year ago

Luxon is a powerful and lightweight JavaScript library for working with dates and times. It was created as an alternative to the popular Moment.js library, with the goal of being faster, smaller, and easier to use. - Source: dev.to / over 1 year ago