StackShareStackShare
Follow on
StackShare

Discover and share technology stacks from companies around the world.

Follow on

© 2025 StackShare. All rights reserved.

Product

  • Stacks
  • Tools
  • Feed

Company

  • About
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  1. Stackups
  2. Application & Data
  3. Frameworks
  4. Javascript Utilities And Libraries
  5. Prepack vs SockJS

Prepack vs SockJS

OverviewComparisonAlternatives

Overview

SockJS
SockJS
Stacks27
Followers60
Votes0
GitHub Stars2.1K
Forks306
Prepack
Prepack
Stacks52
Followers75
Votes3

Prepack vs SockJS: What are the differences?

  1. Compilation Approach: Prepack is a tool that performs code optimization through partial evaluation and simplification whereas SockJS is a client-side JavaScript library for creating WebSocket connections and fallback mechanisms.
  2. Main Purpose: Prepack focuses on optimizing JavaScript code, reducing its size, and improving runtime performance, while SockJS primarily aims to provide a consistent WebSocket interface across different browsers and fallback mechanisms in case WebSocket is not supported.
  3. Integration: Prepack is typically integrated as part of the build process to optimize JavaScript code before deployment, while SockJS is directly used in the client-side code to establish WebSocket connections.
  4. Scope: Prepack optimizes and simplifies JavaScript code in its entirety, whereas SockJS specifically focuses on communication over WebSocket connections in web applications.
  5. Output: The output of Prepack is optimized JavaScript code ready for deployment, whereas SockJS enables the establishment of WebSocket connections and handles fallback mechanisms seamlessly.
  6. Performance Impact: Prepack can significantly improve the runtime performance of JavaScript applications by optimizing code, while SockJS provides a reliable way to maintain WebSocket connections and fallback mechanisms, potentially impacting the overall performance and user experience of a web application.

In Summary, Prepack is a tool for optimizing JavaScript code, while SockJS is a library for managing WebSocket connections in web applications.

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs
CLI (Node.js)
or
Manual

Detailed Comparison

SockJS
SockJS
Prepack
Prepack

It gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server, with WebSockets or without.

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
GitHub Stars
2.1K
GitHub Stars
-
GitHub Forks
306
GitHub Forks
-
Stacks
27
Stacks
52
Followers
60
Followers
75
Votes
0
Votes
3
Pros & Cons
No community feedback yet
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
npm

What are some alternatives to SockJS, Prepack?

Underscore

Underscore

A JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects.

Deno

Deno

It is a secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

Chart.js

Chart.js

Visualize your data in 6 different ways. Each of them animated, with a load of customisation options and interactivity extensions.

Immutable.js

Immutable.js

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.

Lodash

Lodash

A JavaScript utility library delivering consistency, modularity, performance, & extras. It provides utility functions for common programming tasks using the functional programming paradigm.

Ramda

Ramda

It emphasizes a purer functional style. Immutability and side-effect free functions are at the heart of its design philosophy. This can help you get the job done with simple, elegant code.

Vue CLI

Vue CLI

Vue CLI aims to be the standard tooling baseline for the Vue ecosystem. It ensures the various build tools work smoothly together with sensible defaults so you can focus on writing your app instead of spending days wrangling with config.

Luxon

Luxon

It is a library that makes it easier to work with dates and times in Javascript. If you want, add and subtract them, format and parse them, ask them hard questions, and so on, it provides a much easier and comprehensive interface than the native types it wraps.

Blockly

Blockly

It is a client-side library for the programming language JavaScript for creating block-based visual programming languages and editors. It is a project of Google and is free and open-source software.

Cesium

Cesium

it is used to create the leading web-based globe and map for visualizing dynamic data. We strive for the best possible performance, precision, visual quality, ease of use, platform support, and content.

Related Comparisons

Bootstrap
Materialize

Bootstrap vs Materialize

Laravel
Django

Django vs Laravel vs Node.js

Bootstrap
Foundation

Bootstrap vs Foundation vs Material UI

Node.js
Spring Boot

Node.js vs Spring-Boot

Liquibase
Flyway

Flyway vs Liquibase