Benchmark: Luxon vs moment comparison

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@3.0.3/build/global/luxon.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.3/moment.min.js'></script>
<script src="//unpkg.com/timeago.js">
</script>

Tests:

Luxon fromISO
luxon.DateTime.fromISO("2020-02-19T00:51:53.623839+00:00", { zone: "utc" });
Luxon fromJSDate
luxon.DateTime.fromJSDate(new Date("2020-02-19T00:51:53.623839+00:00"), { zone: "utc" });
Moment
moment("2020-02-19T00:51:53.623839+00:00")
Luxon timeAgoFrom
luxon.DateTime.fromJSDate(new Date("2020-02-19T00:51:53.623839+00:00"), { zone: "utc" }).toRelative({ base: luxon.DateTime.fromJSDate(new Date()), locale: "fr-FR", })
Moment timeAgoFrom
moment("2020-02-19T00:51:53.623839+00:00").locale("fr-FR").fromNow();
time-ago timeAgoFrom
var timeagostuff = require('time-ago'); timeagostuff.format(Date.now() - new Date("19/02/2020 01:51:54"), 'fr');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Luxon fromISO
Luxon fromJSDate
Moment
Luxon timeAgoFrom
Moment timeAgoFrom
time-ago timeAgoFrom

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the benchmark and explain what's being tested.

**Benchmark Definition:**

The benchmark is comparing two JavaScript libraries: Luxon and Moment.js, for date and time operations. The test cases cover different aspects of these libraries:

1. Creating dates from ISO strings (`luxon.DateTime.fromISO`)
2. Creating dates from JavaScript Date objects (`luxon.DateTime.fromJSDate`)
3. Formatting a specific date using Moment.js (`moment("2020-02-19T00:51:53.623839+00:00").locale("fr-FR").fromNow()`)
4. Converting one date to another relative format using Luxon's `toRelative` method
5. Using the `time-ago` library to format a specific date

**Options Compared:**

The benchmark is comparing the performance of different approaches:

1. Creating dates from ISO strings using Luxon (`luxon.DateTime.fromISO`)
2. Creating dates from JavaScript Date objects using Luxon (`luxon.DateTime.fromJSDate`)
3. Using Moment.js for formatting a date (`moment("2020-02-19T00:51:53.623839+00:00").locale("fr-FR").fromNow()`)
4. Converting one date to another relative format using Luxon's `toRelative` method
5. Using the `time-ago` library for formatting a specific date (`var timeagostuff = require('time-ago');\ntimeagostuff.format(Date.now() - new Date("19/02/2020 01:51:54"), 'fr')`)

**Pros and Cons of Each Approach:**

1. **Luxon fromISO**: Fast and efficient, but may not be suitable for all use cases (e.g., formatting dates).
	* Pros: Fast execution times
	* Cons: Limited functionality compared to other approaches
2. **Luxon fromJSDate**: Similar performance to `fromISO`, with additional flexibility.
	* Pros: Flexible and powerful
	* Cons: May be slower than `fromISO` for very specific date formats
3. **Moment.js**: Well-established library with extensive features, but may be slower than Luxon.
	* Pros: Feature-rich and widely adopted
	* Cons: Performance may not be as good as Luxon
4. **Luxon toRelative**: Convenient and efficient way to convert dates to relative formats.
	* Pros: Easy to use and fast execution times
	* Cons: May not be suitable for all use cases (e.g., converting between different date ranges)
5. **time-ago library**: Simple and lightweight, but limited functionality compared to other approaches.
	* Pros: Lightweight and easy to use
	* Cons: Limited features and may not be as performant as Luxon

**Library Overview:**

1. **Luxon**: A modern JavaScript library for working with dates and times, focusing on simplicity and performance.
2. **Moment.js**: A widely used and well-established JavaScript library for date and time operations, with extensive feature set.

**Special JS Feature or Syntax:**

There are no special JS features or syntax mentioned in the benchmark, but it's worth noting that some libraries like Moment.js have their own proprietary syntax and methods (e.g., `locale` method).

**Other Alternatives:**

For date and time operations, other alternatives to Luxon and Moment.js include:

1. **Date-fns**: A small and efficient JavaScript library for working with dates.
2. **Day.js**: A lightweight JavaScript library for working with dates and times.
3. **js-joda**: A JavaScript wrapper around the Joda-Time library.

These libraries may offer different features, performance, or trade-offs compared to Luxon and Moment.js.

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser/OS: Chrome 111 on Windows

View result in a separate tab

Test name	Executions per second
Luxon fromISO	270938.2 Ops/sec
Luxon fromJSDate	892557.4 Ops/sec
Moment	102572.5 Ops/sec
Luxon timeAgoFrom	8805.7 Ops/sec
Moment timeAgoFrom	41367.7 Ops/sec
Luxon fromTimeZoneWithDefaultFormat	16545.9 Ops/sec

Related benchmarks:

Luxon vs moment comparison (version: 18)

Comparing performance of: Luxon fromISO vs Luxon fromJSDate vs Moment vs Luxon timeAgoFrom vs Moment timeAgoFrom vs time-ago timeAgoFrom

Created: one year ago by: Registered User

Jump to the latest result

Luxon fromISO

Luxon fromJSDate

Moment

Luxon timeAgoFrom

Moment timeAgoFrom

time-ago timeAgoFrom

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):