Benchmark: Immer produce vs Lodash cloneDeep 9(direct)

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/immer@9.0.16/dist/immer.umd.production.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

nestedState =  {
    key1: {
      key11: {
        key111: 'test'
      }
    }
  };

Tests:

Immer produce
const result = immer.produce(nestedState, (draft) => { draft.key1.key11.key111 = 'updated' })
Lodash cloneDeep
const result = _.cloneDeep(nestedState); result.key1.key11.key111 = 'updated';

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Immer produce
Lodash cloneDeep

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the details of this benchmark.

**Benchmark Overview**

The benchmark compares the performance of two approaches: Immer's `produce` function and Lodash's `cloneDeep` function. Both functions are used to modify a nested JavaScript object. The benchmark is designed to measure the execution time of these functions on a sample dataset, which consists of an object with multiple levels of nesting.

**Script Preparation Code**

The script preparation code for Immer provides a basic object structure, `nestedState`, which contains a level of nesting:
```javascript
const nestedState = {
  key1: {
    key11: {
      key111: 'test'
    }
  }
};
```
This object is used as input for the benchmark.

**Html Preparation Code**

The HTML preparation code includes the scripts for Immer and Lodash, which are loaded from CDN:
```html
<script src="https://cdn.jsdelivr.net/npm/immer@9.0.16/dist/immer.umd.production.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
```
These scripts are used to implement the `produce` and `cloneDeep` functions, respectively.

**Benchmark Test Cases**

There are two benchmark test cases:

1. **Immer produce**: This test case uses Immer's `produce` function to modify the `nestedState` object:
```javascript
const result = immer.produce(nestedState, (draft) => {
  draft.key1.key11.key111 = 'updated';
});
```
2. **Lodash cloneDeep**: This test case uses Lodash's `cloneDeep` function to create a deep copy of the `nestedState` object and then modify it:
```javascript
const result = _.cloneDeep(nestedState);
result.key1.key11.key111 = 'updated';
```
**Pros and Cons**

Here are some pros and cons for each approach:

* **Immer produce**:
	+ Pros: Immer provides a more functional programming style, which can lead to more composable and reusable code. It also uses a mutable draft object under the hood, which can be beneficial for certain use cases.
	+ Cons: The `produce` function can create a new copy of the original object, which may not be desirable in certain situations where memory efficiency is important.
* **Lodash cloneDeep**:
	+ Pros: Lodash's `cloneDeep` function creates an exact deep copy of the original object, ensuring that any changes made to the copied object do not affect the original. This can be beneficial for certain use cases where immutability is required.
	+ Cons: The `cloneDeep` function creates a new copy of the entire object, which can lead to increased memory usage.

**Library and Purpose**

* **Immer**: Immer is a JavaScript library that provides a functional programming style for working with immutable data. Its primary purpose is to make it easier to work with complex, nested data structures in a predictable and composable way.
* **Lodash**: Lodash is a popular JavaScript utility library that provides a collection of helper functions for various tasks, such as string manipulation, array transformation, and object cloning.

**Special JS Feature or Syntax**

There are no special features or syntax used in this benchmark. However, Immer's `produce` function uses a functional programming style that may be unfamiliar to some developers.

**Alternatives**

Some alternative approaches to this benchmark include:

* Using other JavaScript libraries for data immutability, such as Mujs or React.
* Implementing custom solutions for creating immutable copies of objects.
* Using lazy evaluation techniques to reduce the overhead of deep cloning.
* Profiling and optimizing existing code to improve performance.

Related benchmarks:

Immer produce vs Lodash cloneDeep 9(direct) (version: 0)

Comparing performance of: Immer produce vs Lodash cloneDeep

Created: 3 years ago by: Guest

Jump to the latest result

Immer produce

Lodash cloneDeep

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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