Benchmark: npm clone lib vs lodash cloneDeep

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>
<script src='https://cdn.jsdelivr.net/npm/clone@2.1.2'></script>

Script Preparation code:

var MyObject = {
  description: 'Creates a deep copy of source, which should be an object or an array.',
  myNumber: 123456789,
  myBoolean: true,
  jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
};

var myCopy = null;

Tests:

lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
npm clone lib
myCopy = clone(MyObject)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash cloneDeep
npm clone lib

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser/OS: Chrome 127 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
lodash cloneDeep	1579102.5 Ops/sec
npm clone lib	1330845.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested.

**Benchmark Overview**

The benchmark compares two approaches to create a deep copy of an object: using Lodash's `cloneDeep` function and using the `clone` library from npm.

**Libraries Used**

1. **Lodash**: A popular JavaScript utility library that provides various functions for working with data structures, such as arrays, objects, and more.
2. **Clone Library (npm clone)**: A lightweight library specifically designed to create deep copies of JavaScript objects.

**Test Cases**

The benchmark consists of two test cases:

1. **Lodash Clone Deep**: This test case creates a deep copy of an object using Lodash's `cloneDeep` function.
2. **Npm Clone Library**: This test case creates a deep copy of the same object using the `clone` library from npm.

**What's Being Tested**

The benchmark is testing the performance difference between these two approaches to create a deep copy of an object. Specifically, it's measuring:

* The execution speed (in executions per second) of each test case
* The raw UAStrings (user agent strings) and corresponding browser information to ensure fairness in the results

**Options Compared**

The benchmark is comparing two options:

1. **Lodash Clone Deep**: Using Lodash's `cloneDeep` function to create a deep copy of the object.
2. **Npm Clone Library**: Using the `clone` library from npm to create a deep copy of the same object.

**Pros and Cons**

Here are some pros and cons for each approach:

1. **Lodash Clone Deep**
	* Pros:
		+ Wide range of features and functions available in Lodash
		+ Well-maintained and widely used library
	* Cons:
		+ May have a slightly higher overhead due to the complexity of the library
2. **Npm Clone Library**
	* Pros:
		+ Lightweight and specifically designed for deep copies, which may result in faster execution times
		+ More focused on copying objects, making it potentially more efficient
	* Cons:
		+ May not offer as many features or functions as Lodash

**Other Considerations**

When choosing between these two approaches, consider the following factors:

* **Feature set**: If you need a wide range of utility functions, Lodash might be a better choice. For a lightweight clone library, npm's `clone` library is likely a better fit.
* **Performance**: The benchmark suggests that the `clone` library from npm might have a slight edge in terms of execution speed.
* **Learning curve**: If you're new to either library, Lodash might be more intuitive due to its extensive documentation and features.

**Alternative Approaches**

If you don't want to use Lodash or the `clone` library, other alternatives for creating deep copies include:

* Using the built-in `Object.assign()` method with `...` spread operator (ECMAScript 2015+ syntax)
* Utilizing libraries like `JSON.parse(JSON.stringify())`
* Implementing a custom copy function using recursive object iteration

Keep in mind that each of these approaches has its own trade-offs, and performance might vary depending on the specific use case.

Related benchmarks:

npm clone lib vs lodash cloneDeep (version: 0)

Comparing performance of: lodash cloneDeep vs npm clone lib

Created: one year ago by: Guest

Jump to the latest result

lodash cloneDeep

npm clone lib

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):