Benchmark: Lodash vs Reduce

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>

Script Preparation code:

testObject = {
  "km:acc": {
    "km:header": {
      "km:range": "potato"
    }
  }
};

function deepPick(json, ...keys) { return keys.length > 0 &&
                                    keys.reduce((obj, key) => {
                                        if (!obj) return;

                                        if (obj[key]) {
                                            return obj[key];
                                        }
                                    }, undefined);
                                 }

Tests:

Lodash
_.get(testObject, ['km:acc', 'km:header', 'km:range']);
Reduce
deepPick(testObject, 'km:acc', 'km:header', 'km:range')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Reduce

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 break down the provided JSON and explain what's being tested in this JavaScript microbenchmark.

**Benchmark Description**

The benchmark compares two approaches to access nested properties of an object: `Lodash` using the `_get()` function, and a custom implementation called `Reduce`.

**Options Being Compared**

1. **Lodash**: The `_get()` function is used to access nested properties of an object. This function takes three arguments:
	* `obj`: The source object.
	* `keys`: An array of keys representing the nested path to access.
	* `default`: A default value to return if the path is not found.

2. **Reduce**: A custom implementation that uses a reducer function to iterate through the keys and access the corresponding values in the object.

**Pros and Cons**

1. **Lodash ( `_get()` )**:
	* Pros:
		+ Concise and expressive code.
		+ Handles nested properties with ease.
		+ Provides a default value if the path is not found.
	* Cons:
		+ External dependency on the Lodash library.
		+ May have performance overhead due to loading the library.

2. **Reduce**:
	* Pros:
		+ Customizable and flexible.
		+ No external dependencies.
		+ Can be optimized for specific use cases.
	* Cons:
		+ More verbose code compared to `_get()`.

**Library Used**

The `Lodash` library is used in this benchmark. Lodash is a popular JavaScript utility library that provides various functions for common tasks, such as string manipulation, array operations, and more. In this case, the `_get()` function is used to access nested properties of an object.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax used in this benchmark.

**Benchmark Preparation Code**

The preparation code creates a sample object `testObject` with nested properties, including:

* `km:acc`
	+ `km:header`
		- `km:range`: "potato"

This object is then used to test the `_get()` function and the custom `Reduce` implementation.

**Other Alternatives**

If you wanted to compare other approaches for accessing nested properties of an object, you could consider:

* Using the dot notation (`testObject.km.acc km.header km.range`)
* Using a loop to iterate through the keys
* Using a recursive function to access nested properties

However, these alternatives would not be as concise or expressive as the `_get()` function and the `Reduce` implementation used in this benchmark.

Related benchmarks:

Lodash vs Reduce (version: 0)

Comparing performance of: Lodash vs Reduce

Created: 8 years ago by: Guest

Jump to the latest result

Lodash

Reduce

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):