Software Alternatives, Accelerators & Startups

Webpack VS Webpacker

Compare Webpack VS Webpacker and see what are their differences

Webpack logo Webpack

Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

Webpacker logo Webpacker

Use Webpack to manage app-like JavaScript modules in Rails - rails/webpacker
  • Webpack Landing page
    Landing page //
    2023-06-13
  • Webpacker Landing page
    Landing page //
    2023-07-27

Webpack features and specs

  • Modular Bundling
    Webpack efficiently bundles all your modules (JavaScript, CSS, images, etc.) into manageable chunks, minimizing HTTP requests and enhancing load performance.
  • Code Splitting
    It allows splitting your codebase into 'chunks' which can be loaded on demand. This leads to faster initial page loads as only necessary chunks are loaded initially.
  • Hot Module Replacement (HMR)
    HMR allows you to update modules without needing a full refresh. This improves development speed and efficiency as live changes are instantly reflected in the application.
  • Advanced Configuration
    Webpack is highly configurable, accommodating various needs from simple setups to complex, custom configurations, making it versatile for different projects.
  • Strong Plugin Ecosystem
    There is a rich ecosystem of plugins available to extend Webpack's capabilities, such as minification, asset management, and more.
  • Tree Shaking
    Webpack supports tree shaking, a method to eliminate dead code from your bundle, resulting in more efficient, smaller output files.
  • Dependency Management
    It handles dependencies among modules effectively, automatically managing module load order and avoiding conflicts.

Possible disadvantages of Webpack

  • Complex Configuration
    Its extensive configuration options can be overwhelming, particularly for beginners, leading to a steep learning curve.
  • Build Time
    Complex configurations and large projects can result in slower build times, impacting development speed.
  • Documentation Issues
    Despite improvements, there are instances where Webpack's documentation might lack clarity, making it harder to find solutions for specific configurations.
  • Overhead for Simple Projects
    For small and simple projects, Webpack might be overkill, adding unnecessary complexity and setup time.
  • Compatibility Issues
    Occasionally, Webpack updates can lead to breaking changes, which may require significant adjustments to your configuration and codebase.

Webpacker features and specs

  • Modern JavaScript Features
    Webpacker allows Rails applications to utilize modern JavaScript features and tools, such as ES6 syntax, JSX, and TypeScript, thereby enhancing the developer experience and code quality.
  • Asset Bundling
    It efficiently bundles multiple JavaScript files into a single package, reducing load times and improving performance by minimizing the number of HTTP requests.
  • Integration with Rails
    As an official Rails library, Webpacker integrates seamlessly with the Rails framework, ensuring that front-end builds are consistent and easier to manage alongside Ruby on Rails projects.
  • Configurable
    Provides a highly configurable environment, allowing developers to customize their JavaScript and asset builds extensively to meet specific project needs.
  • Community Support
    Being part of the Rails ecosystem, Webpacker benefits from an extensive community support, with a wealth of third-party resources, documentation, and plugins available.

Possible disadvantages of Webpacker

  • Complexity
    Webpacker can introduce additional complexity, especially for developers not familiar with JavaScript tooling or the webpack configuration, which can lead to a steeper learning curve.
  • Performance Overhead
    The abstraction and tooling required by Webpacker can add performance overhead during development with slower compilation and building times compared to simpler asset management solutions.
  • Dependency Management
    Managing dependencies can become burdensome as Webpacker requires handling both the Ruby Gems and the JavaScript packages through yarn or npm, increasing maintenance efforts.
  • Migration Path
    As newer tools and techniques emerge, moving away from Webpacker could require significant refactoring efforts, especially for applications with extensive custom configurations.
  • Deprecated Status
    Webpacker is no longer the recommended default for new Rails applications starting from Rails 7, which now prefers using esbuild or importmaps, potentially affecting its long-term viability.

Webpack videos

Learn Webpack - Full Tutorial for Beginners

More videos:

  • Review - Core Concepts of Webpack
  • Review - Learn Webpack Pt. 6: Cache Busting and Plugins

Webpacker videos

RailsConf 2020 CE - Webpacker, It-Just-Works, But How? by Justin Gordon

More videos:

  • Review - Should you use React with Webpacker in your Rails project? Rails MVC vs Single Page App (SPA)!

Category Popularity

0-100% (relative to Webpack and Webpacker)
Web Application Bundler
JS Build Tools
92 92%
8% 8
Developer Tools
88 88%
12% 12
Javascript UI Libraries
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Webpack and Webpacker

Webpack Reviews

Rollup v. Webpack v. Parcel
Tool Prod Build Time One Prod Build Time Two Prod Build Time Three Prod Build Time Avg Parcel 738.509 s 35.364 s 35.592 s 269.82 avg s Rollup 0.712 s 0.665 s 0.714 s 0.697 avg s Webpack 3.636 s 3.805 s 4.305 s 3.915 avg s
Source: x-team.com
If youโ€™ve ever configured Webpack, Parcel will blow yourย mind!
document.body.className = document.body.className.replace(/(^|\s)is-noJs(\s|$)/, "$1is-js$2")HomepageHomepageJavascriptBecome a memberSign inGet startedIf youโ€™ve ever configured Webpack, Parcel will blow your mind!And how to hit the ground running with Parcel.Ibrahim ButtBlockedUnblockFollowFollowingMar 16, 2018Click here to share this article on LinkedIn ยปZero...
Source: medium.com
First impressions with Parcelย JS
From first impressions and experience, my take currently would be as follows. Webpack is generally going to be more flexible. It also places a bit more power in the developers hands to make bundling happen exactly as desired. That isnโ€™t to say you shouldnโ€™t use Parcel though. Where Parcel excels is the fact you donโ€™t configure it. You will still need to configure plugins for...
Source: codeburst.io
Parcel vs webpack - Jakob Lind
Webpack is the stable choice. You will not get fired for picking webpack. But you donโ€™t get as much stuff for free such as optimized bundles, and code splitting.

Webpacker Reviews

We have no reviews of Webpacker yet.
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Social recommendations and mentions

Based on our record, Webpack seems to be a lot more popular than Webpacker. While we know about 248 links to Webpack, we've tracked only 17 mentions of Webpacker. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Webpack mentions (248)

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Webpacker mentions (17)

  • React + Ruby on Rails without any gems
    We will use Webpacker or JavaScript compiler and assets management. By following the webpacker installation guide, letโ€™s add Webpacker and React to our application. - Source: dev.to / over 1 year ago
  • Collecting JavaScript code coverage with Capybara in Ruby on Rails application
    For example, there is a Ruby on Rails application that uses Webpacker and has JavaScript files that are covered by the system tests. Capybara is used as the system testing tool. - Source: dev.to / over 1 year ago
  • Asset Pipeline JS Migration
    Using Webpacker in Rails provides several advantages over the traditional asset pipeline. First, Webpacker uses JavaScript modules, which allows for better code organization and improved code reusability. Second, it offers modern frontend build tools, such as Babel and PostCSS, for transforming and compiling assets. Third, it provides faster build times and faster runtime performance through code splitting and... - Source: dev.to / over 2 years ago
  • Thank you Webpacker, Goodbye Webpacker
    This article is replace Webpacker with Simpacker and webpack. - Source: dev.to / almost 3 years ago
  • How to setup ruby on rails + Angular
    In ruby โ€‹โ€‹on rails 7 what is the best way to properly install Angular because I can't find any documentation about it. The only tutorial that exists uses webpacker (https://github.com/rails/webpacker) but unfortunately it is no longer supported and no longer up to date in terms of security. Source: about 3 years ago
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What are some alternatives?

When comparing Webpack and Webpacker, you can also consider the following products

rollup.js - Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.

Turbolinks - Turbolinks makes navigating your web application faster

Babel - Babel is a compiler for writing next generation JavaScript.

Yarn - Yarn is a package manager for your code.

Parcel - Blazing fast, zero configuration web application bundler

Pingy CLI - Making Modern Websites Should Be Easier. Pingy is Here To Help.