Webpack
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Yarn

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Webpack vs Yarn: What are the differences?

Developers describe Webpack as "A bundler for javascript and friends". A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff. On the other hand, Yarn is detailed as "A new package manager for JavaScript". Yarn caches every package it downloads so it never needs to again. It also parallelizes operations to maximize resource utilization so install times are faster than ever.

Webpack and Yarn are primarily classified as "JS Build Tools / JS Task Runners" and "Front End Package Manager" tools respectively.

"Most powerful bundler" is the top reason why over 307 developers like Webpack, while over 74 developers mention "Incredibly fast" as the leading cause for choosing Yarn.

Webpack and Yarn are both open source tools. It seems that Webpack with 49.8K GitHub stars and 6.27K forks on GitHub has more adoption than Yarn with 36.2K GitHub stars and 2.22K GitHub forks.

Airbnb, Instagram, and Pinterest are some of the popular companies that use Webpack, whereas Yarn is used by StackShare, Intuit, and Swat.io. Webpack has a broader approval, being mentioned in 2206 company stacks & 1338 developers stacks; compared to Yarn, which is listed in 623 company stacks and 528 developer stacks.

What is Webpack?

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

What is Yarn?

Yarn caches every package it downloads so it never needs to again. It also parallelizes operations to maximize resource utilization so install times are faster than ever.

Want advice about which of these to choose?Ask the StackShare community!

Why do developers choose Webpack?
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What are the cons of using Yarn?
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What companies use Yarn?
What are some alternatives to Webpack and Yarn?
gulp
Build system automating tasks: minification and copying of all JavaScript files, static images. More capable of watching files to automatically rerun the task when a file changes.
Babel
Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
Parcel
Parcel is a web application bundler, differentiated by its developer experience. It offers blazing fast performance utilizing multicore processing, and requires zero configuration.
Browserify
Browserify lets you require('modules') in the browser by bundling up all of your dependencies.
Grunt
The less work you have to do when performing repetitive tasks like minification, compilation, unit testing, linting, etc, the easier your job becomes. After you've configured it, a task runner can do most of that mundane work for you—and your team—with basically zero effort.
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What tools integrate with Webpack?
What tools integrate with Yarn?
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    How developers use Webpack and Yarn
    Avatar of Volkan Özçelik
    Volkan Özçelik uses WebpackWebpack

    Webpack is the best bundler. Period.

    Yes, it has a(n arguably) messy documentation, and a steep learning curve; but once you get the hang of it, there is nothing you cannot do with it.

    Use it and you don’t have to use any other bundler at all.

    It has a vivid ecosystem, and great plugin support.

    Avatar of Mick Dekkers
    Mick Dekkers uses YarnYarn

    Yarn is a wonderful alternative to the built-in npm command-line interface. Dependency installation is crazy fast, because it caches every package and performs operations in parallel.

    Avatar of Volkan Özçelik
    Volkan Özçelik uses YarnYarn

    I prefer yarn instead of npm.

    Both npm and yarn work great.

    I don’t see any overwhelming reason to choose one over another.

    I just like yarn, that’s it.

    Avatar of Alec Cunningham
    Alec Cunningham uses WebpackWebpack

    My preferred build tool; allows me to bundle my JSX, JS, CSS files for easy access and I can pass the bundle through my node server for server side rendering.

    Avatar of Kent Steiner
    Kent Steiner uses WebpackWebpack

    Flexible building and compiling of source for browser consumption, mainly for JS, but experimenting a little with CSS (although I prefer StylusJS for CSS).

    Avatar of Andrew Gatenby
    Andrew Gatenby uses WebpackWebpack

    We use this to optimise the delivery of the client-side for our revised Admin System, so it's able to be delivered to browsers as efficiently as possible.

    Avatar of Cameron Drake
    Cameron Drake uses WebpackWebpack

    Webpack compiles files to bundles with source maps. Using Webpack you can use the latest features (ES6) and have it compiled to compliant js.

    Avatar of Ambar
    Ambar uses YarnYarn

    We use it in every JS project. Blazing fast package manager for node.js. Easy to use in Docker containers

    Avatar of Coolfront Technologies
    Coolfront Technologies uses YarnYarn

    Used in Coolfront Mobile and "Charlie" (flat rate search engine) as packaging mechanism.

    Avatar of IVS
    IVS uses YarnYarn

    We tend to stick to npm, yarn is only a fancy alternative, not 10x better.

    How much does Webpack cost?
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