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Parcel

519
199
+ 1
17
rollup

634
126
+ 1
16
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Parcel vs rollup: What are the differences?

What is Parcel? 📦🚀 A fast, zero configuration web application bundler. Parcel is a web application bundler, differentiated by its developer experience. It offers blazing fast performance utilizing multicore processing, and requires zero configuration.

What is rollup? The next-generation JavaScript module bundler. It is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application. It uses the new standardized format for code modules included in the ES6 revision of JavaScript, instead of previous idiosyncratic solutions such as CommonJS and AMD.

Parcel and rollup can be categorized as "JS Build Tools / JS Task Runners" tools.

Parcel is an open source tool with 32.3K GitHub stars and 1.47K GitHub forks. Here's a link to Parcel's open source repository on GitHub.

Ratio, tigerbrokers, and Driffle are some of the popular companies that use Parcel, whereas rollup is used by Repro, Yummypets, and Elementum. Parcel has a broader approval, being mentioned in 10 company stacks & 9 developers stacks; compared to rollup, which is listed in 12 company stacks and 4 developer stacks.

Decisions about Parcel and rollup

We mostly use rollup to publish package onto NPM. For most all other use cases, we use the Meteor build tool (probably 99% of the time) for publishing packages. If you're using Node on FHIR you probably won't need to know rollup, unless you are somehow working on helping us publish front end user interface components using FHIR. That being said, we have been migrating away from Atmosphere package manager towards NPM. As we continue to migrate away, we may publish other NPM packages using rollup.

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Pros of Parcel
Pros of rollup
  • 10
    Zero configuration
  • 7
    Built-in dev server with livereload
  • 3
    Makes it easy to publish packages
  • 3
    Easier configuration
  • 2
    Better tree shaking
  • 2
    Provides smaller bundle size
  • 1
    Produces very clean code
  • 1
    Very reliable
  • 1
    Very robust Plugin-API (years old Plugins still work)
  • 1
    Very flexible
  • 1
    Was built with ESM-Modules in mind
  • 1
    Integrates seamlessly with SystemJS

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Cons of Parcel
Cons of rollup
  • 3
    Lack of documentation
  • 1
    No clear path for static assets
  • 1
    No Loader like Webpack (need to use sjs or ESM imports)
  • 1
    Almost everything needs to be a Plugin
  • 1
    Manual Chunking is a bit buggy

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- No public GitHub repository available -

What is Parcel?

Parcel is a web application bundler, differentiated by its developer experience. It offers blazing fast performance utilizing multicore processing, and requires zero configuration.

What is rollup?

It is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application. It uses the new standardized format for code modules included in the ES6 revision of JavaScript, instead of previous idiosyncratic solutions such as CommonJS and AMD.

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What companies use Parcel?
What companies use rollup?
See which teams inside your own company are using Parcel or rollup.
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What tools integrate with Parcel?
What tools integrate with rollup?

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What are some alternatives to Parcel and rollup?
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.
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.
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.
Webpacker
Webpacker makes it easy to use the JavaScript preprocessor and bundler Webpack to manage application-like JavaScript in Rails. It coexists with the asset pipeline, as the purpose is only to use Webpack for app-like JavaScript, not images, css, or even JavaScript Sprinkles (that all continues to live in app/assets).
Brunch
Brunch is an assembler for HTML5 applications. It's agnostic to frameworks, libraries, programming, stylesheet & templating languages and backend technology.
See all alternatives