tslib VS moment

It's appropriate for software designed for use cases where an attribution requirement would be inconvenient or otherwise undesirable. For example, https://github.com/microsoft/tslib uses it, because that library is automatically included in any TypeScript program that uses downleveling, so if it had an attribution requirement then that requirement would apply to every program written in TypeScript, which nobody wants. (GCC and LLVM do something similar with their special runtime-library exceptions to the GPL and Apache License, respectively, but tslib lives in a separate repository from the rest of TypeScript and so could easily just get a separate license.)

Looking at some popular JavaScript projects on GitHub, I noted that react, moment, and express all use single quotes for strings. However, another popular project, tslib, uses double quotes 🙄. So, while it would seem that single quotes is more common, this metric is not entirely conclusive.

Things get a little interesting if you're using CommonJS interoperability, in which case our second import becomes something like const view2 = __importDefault(require("./view2")).default. This helper function checks to see if the imported file is an ES module and effectively namespaces the module under the default property if not. You can see TypeScript's implementation of this here.

You may just copy them from tslib. It's 0BSD-licensed which doesn't even require attribution; but having the link somewhere in your comments is at least polite 🙂

To learn more about Moment.js, please visit their official website.

Ah, Moment.js, the guardian angel of date and time manipulation. Ever needed to format a date, calculate durations, or display something like "2 days ago"? Moment.js has got your back. It's a lifesaver for anything date and time-related, making it a must-have in your project, especially if you're into making your users feel like you really get them.

After hours of trying to figure out why Jekyll was still showing "Today" for a post I modified last week, I remembered that I am using the timeago filter from jekyll-timeago plugin. I was rendering the dates using {{ doc.last_modified_at | timeago }}. As you know, Jekyll is a static site generator, and it renders this as HTML at the time of build, and only then. This means any date rendered with timeago is hardcoded as is in the HTML and won't change until the next build. I switched all the dates to the "%-d %b %y" format for now. Might use moment.js in the future to get the timeago dates back.

moment: Handles date and time manipulations with ease. Learn more

For the longest time working with dates in JavaScript was a huge pain. That’s why libraries such as moment.js or date-fns are so popular. A lot of times I’d reach for these libraries when working with relative time formatting, but since late last year we’ve had pretty great browser support for the RelativeTimeFormat() method. In my mind, relative dates are just more visually appealing, especially for working with dates internationally. Dates like "5 days ago" or "in 2 months" are far more intuitive for users than 12/12/2023, or 03/11/2027. Folks in the US will see that as March 11, 2027, whereas the rest of the world will see that as November 03, 2027. What a nightmare.

İ am using moment js for a long time. You can check it also. https://momentjs.com/

We could control the DST flip by setting the test's input time to the appropriate time of year (summer/winter). However we couldn't control the timezone. We had to adjust the expected data in the test 🤢 using the same library which the production code used (momentjs).

8. Moment.js

This may sound a bit general but we can't forget about well-tought code. If we are using a lot of external dependencies, we can check if there aren't many lighter alternatives. Example? Some people are still using moment.js for date formatting. Why not use a lightweight 2kb alternative instead? Writing clean, organized and maintainable code won't give us a huge score boost but we are trying to save every byte of data, right? 😉