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spread vs ramda filter
(version: 0)
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.js"></script>
Comparing performance of:
spread true vs ramda filter true vs spread false vs ramda filter false
Created:
7 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.js"></script>
Script Preparation code:
var params = { a: 1, b: 2 };
Tests:
spread true
const x = true var result = [ ...(x ? [{a: 3, b: 4}] : []), { a: params.a, b: params.b } ]
ramda filter true
const x = true var result = [ x ? {a: 3, b: 4} : null, { a: params.a, b: params.b } ] result.filter(R.identity)
spread false
const x = false var result = [ ...(x ? [{a: 3, b: 4}] : []), { a: params.a, b: params.b } ]
ramda filter false
const x = false var result = [ x ? {a: 3, b: 4} : null, { a: params.a, b: params.b } ] result.filter(R.identity)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
spread true
ramda filter true
spread false
ramda filter false
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll provide an explanation of the provided benchmark, its options, pros and cons, library usage, special JavaScript features, and alternatives. **Benchmark Overview** The benchmark measures the performance difference between using the spread operator (`...`) versus Ramda's `filter()` function to process a specific test case. The test case involves creating an array with optional elements based on a boolean value `x`, and then filtering out elements that match a certain condition. **Options Compared** There are two main options being compared: 1. **Spread Operator (`...`)**: This method uses the spread operator to create a new array by iterating over the elements of another array (in this case, an object) using the optional chaining operator (`?.`). If `x` is true, it adds an element to the resulting array; otherwise, it creates an empty array. 2. **Ramda's `filter()` function**: This method uses Ramda's `filter()` function to filter out elements that match a certain condition (in this case, `R.identity`, which checks if an object has no properties). If `x` is true, it adds an element to the filtered array; otherwise, it returns an empty array. **Pros and Cons** **Spread Operator (`...`) Pros:** * Lightweight and efficient * Easy to read and write **Spread Operator (`...`) Cons:** * May not be as flexible or powerful as Ramda's `filter()` function * Limited support for more complex filtering logic **Ramda's `filter()` function Pros:** * More flexible and powerful than the spread operator * Can handle more complex filtering logic using Ramda's functional programming utilities **Ramda's `filter()` function Cons:** * Larger binary size (due to Ramda library inclusion) * May require additional setup or learning for users unfamiliar with Ramda **Library Usage** The benchmark uses Ramda, a popular JavaScript library for functional programming. The `R.identity` utility is used as the filtering condition. **Special JavaScript Features** None mentioned in the provided code snippet. **Alternatives** If you're interested in exploring alternative approaches, here are some options: * Using a custom implementation of the spread operator or Ramda's `filter()` function * Utilizing other JavaScript libraries or frameworks that provide similar functionality (e.g., Lodash) * Implementing a hybrid approach that combines elements of both methods Keep in mind that the performance differences between these alternatives may vary depending on specific use cases and requirements.
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