Immutable.js vs Prepack

Overview

Immutable.js

Stacks578

Followers120

Votes17

Prepack

Stacks52

Followers75

Votes3

Immutable.js vs Prepack: What are the differences?

What is Immutable.js? Immutable persistent data collections for Javascript which increase efficiency and simplicity, by Facebook. Immutable provides Persistent Immutable List, Stack, Map, OrderedMap, Set, OrderedSet and Record. They are highly efficient on modern JavaScript VMs by using structural sharing via hash maps tries and vector tries as popularized by Clojure and Scala, minimizing the need to copy or cache data.

What is Prepack? A tool for making JavaScript code run faster (by Facebook). Prepack is a partial evaluator for JavaScript. Prepack rewrites a JavaScript bundle, resulting in JavaScript code that executes more efficiently. For initialization-heavy code, Prepack works best in an environment where JavaScript parsing is effectively cached.

Immutable.js and Prepack can be categorized as "Javascript Utilities & Libraries" tools.

Immutable.js and Prepack are both open source tools. Immutable.js with 27.8K GitHub stars and 1.61K forks on GitHub appears to be more popular than Prepack with 13.7K GitHub stars and 463 GitHub forks.

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Manual

Detailed Comparison

Immutable.js	Prepack
Immutable provides Persistent Immutable List, Stack, Map, OrderedMap, Set, OrderedSet and Record. They are highly efficient on modern JavaScript VMs by using structural sharing via hash maps tries and vector tries as popularized by Clojure and Scala, minimizing the need to copy or cache data.	Prepack is a partial evaluator for JavaScript. Prepack rewrites a JavaScript bundle, resulting in JavaScript code that executes more efficiently. For initialization-heavy code, Prepack works best in an environment where JavaScript parsing is effectively cached.
Statistics
Stacks 578	Stacks 52
Followers 120	Followers 75
Votes 17	Votes 3
Pros & Cons
Pros 8 Immutable data structures 5 Allows you to mimic functional programming 2 Bring the functional experience to JS 1 Easily transpiles to different ES standards 1 Makes writing Javascript less scary	Pros 1 Available as NPM 1 Gulp package available 1 Easy setup but has a very limited range of use cases
Integrations
No integrations available	npm

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