Benchmark: ramda-path-vs-lodash-get-vs-custom-deepak

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.15/get.min.js"></script>
<script src="//cdn.jsdelivr.net/npm/ramda@latest/dist/ramda.min.js"></script>

Script Preparation code:

var obj = {foo: {bar: {tar: [1,2,3]}}};

function _get(obj, path, defaultValue = undefined) {
  const fullPath = path.replace(/\[/g, '.').replace(/]/g, '').split('.').filter(Boolean);

  return fullPath.every(everyFunc) ? obj : defaultValue;

  function everyFunc(step) {
    return !(step && (obj = obj[step]) === undefined);
  }
}

Tests:

ramda path
R.path(['foo', 'bar', 'tar', 2], obj)
lodash get
_.get(obj, 'foo.bar.tar.2')
custom get
_get(obj, 'foo.bar.tar.2')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
ramda path
lodash get
custom get

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser/OS: Chrome 121 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
ramda path	5370616.5 Ops/sec
lodash get	6107495.0 Ops/sec
custom get	1935933.6 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 three approaches to access a nested object property: Ramda's `path` function, Lodash's `_get` function, and a custom implementation (`_get`).

**What's Being Tested**

Each test case measures the execution time of accessing a specific nested object property using each of the three approaches. The properties being accessed are:

1. `foo.bar.tar[2]`
2. `foo.bar.tar[3]`

The tests are run on the same input data, which is an object with a nested structure.

**Options Compared**

Here's a brief overview of each approach and its pros/cons:

1. **Ramda's `path` function**: Pros:
	* Lightweight and efficient.
	* Well-documented and widely used in the functional programming community.
Cons:
	* Can be less readable for those unfamiliar with functional programming concepts.
2. **Lodash's `_get` function**: Pros:
	* Well-maintained and widely used library.
	* Supports various access modes (e.g., default value, strict mode).
Cons:
	* Larger bundle size compared to Ramda's `path` function.
3. **Custom implementation (`_get`)**: Pros:
	* Can be optimized for specific use cases or performance profiles.
Cons:
	* Requires more code and maintenance effort.

**Library Used**

The custom implementation uses a simple recursive approach to access the nested object property. It splits the path string into individual keys and iterates through them, using the `obj` variable as the current context.

```javascript
function _get(obj, path, defaultValue = undefined) {
  const fullPath = path.replace(/\\[/g, '.').replace(/]/g, '').split('.').filter(Boolean);
  return fullPath.every(everyFunc) ? obj : defaultValue;
  function everyFunc(step) {
    return !(step && (obj = obj[step]) === undefined);
  }
}
```

**Special JS Feature or Syntax**

None are mentioned in this benchmark.

**Other Alternatives**

If you're interested in exploring alternative approaches, here are a few options:

* **Array.prototype.at()**: This method is introduced in ECMAScript 2020 and provides a more concise way to access nested object properties. However, it may not be supported by older browsers.
* **Object.entries() and array reduction**: Another approach could involve using `Object.entries()` to iterate over the object's key-value pairs and then reducing the resulting array to access the desired property.

Keep in mind that these alternatives might have different performance characteristics or trade-offs compared to Ramda's `path` function, Lodash's `_get` function, or the custom implementation.

Related benchmarks:

ramda-path-vs-lodash-get-vs-custom-deepak (version: 0)

Comparing performance of: ramda path vs lodash get vs custom get

Created: 2 years ago by: Guest

Jump to the latest result

ramda path

lodash get

custom get

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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