Benchmark: luxon 3.3.0 vs datefns

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@3.3.0/build/global/luxon.min.js" crossorigin="anonymous"></script>
<script src="https://igor.moomers.org/random/datefns.js"></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";

Tests:

datefns
window.datefns.parseISO(window.ds)
luxon
luxon.DateTime.fromISO(ds);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
datefns
luxon

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 break down the provided benchmark definition and test cases.

**Overview**

The purpose of this benchmark is to compare the performance of two JavaScript libraries: Luxon (version 3.3.0) and DateFNS (version unknown, but likely a fork or version from the same era as Luxon). The comparison focuses on parsing ISO dates using each library's API.

**Options Compared**

The test cases compare the execution time of each library for a single input string: `window.ds = "2020-02-19T00:51:53.623839+00:00";`. Two options are compared:

1. **Luxon**: `luxon.DateTime.fromISO(ds);`
2. **DateFNS**: `window.datefns.parseISO(window.ds)`

**Pros and Cons**

### Luxon

Pros:

* Designed for date and time manipulation, making it a good choice for parsing ISO dates.
* Efficient implementation with optimized algorithms.
* Supports various date formats, including ISO.

Cons:

* May require additional setup or configuration for certain use cases.
* Might have a steeper learning curve due to its API and features.

### DateFNS

Pros:

* Simple and intuitive API for date manipulation.
* Lightweight and easy to integrate into existing projects.
* Fast execution times due to optimized code.

Cons:

* Not specifically designed for date parsing, which might lead to slower performance compared to dedicated libraries like Luxon.
* Limited support for certain date formats or edge cases.

**Library Descriptions**

1. **Luxon**: A modern JavaScript library for working with dates and times. It provides a simple and intuitive API, as well as support for various date formats. Luxon is designed to be fast, efficient, and easy to use.
2. **DateFNS**: A lightweight JavaScript library for working with dates. It provides a simple and easy-to-use API, but might not be as feature-rich or performant as dedicated libraries like Luxon.

**Special JS Features/Syntax**

None mentioned in the provided benchmark definition.

**Alternative Libraries/Approaches**

If you're looking for alternatives to Luxon or DateFNS, consider the following options:

1. **moment.js**: A popular JavaScript library for working with dates and times. While not as lightweight as DateFNS, moment.js offers a robust feature set and support for various date formats.
2. **JSDateLib**: Another lightweight JavaScript library for working with dates. It provides an easy-to-use API and supports basic date operations, but might lack the features and performance of Luxon or DateFNS.
3. **Built-in JavaScript Date Functions**: While not as convenient as using a dedicated library, you can use built-in JavaScript date functions like `new Date()`, `Date.parse()`, or `Date.UTC()` for simple date manipulation tasks. However, these functions might be less efficient and more error-prone than using a specialized library.

Keep in mind that the choice of library or approach ultimately depends on your specific project requirements, performance needs, and personal preferences.

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Browser/OS: Firefox 129 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
datefns	656408.6 Ops/sec
luxon	297202.9 Ops/sec

Related benchmarks:

luxon 3.3.0 vs datefns (version: 0)

Comparing performance of: datefns vs luxon

Created: one year ago by: Guest

Jump to the latest result

datefns

luxon

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):