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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.
rollup is a tool in the JS Build Tools / JS Task Runners category of a tech stack.

Who uses rollup?

33 companies reportedly use rollup in their tech stacks, including Frontend, commercetools, and wadiz.

85 developers on StackShare have stated that they use rollup.

rollup Integrations

rollup Alternatives & Comparisons

What are some alternatives to rollup?
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.
Angular CLI
A command-line interface tool that you use to initialize, develop, scaffold, and maintain Angular applications. You can use the tool directly in a command shell, or indirectly through an interactive UI such as Angular Console.
Parcel is a web application bundler, differentiated by its developer experience. It offers blazing fast performance utilizing multicore processing, and requires zero configuration.
Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
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.
See all alternatives

rollup's Followers
99 developers follow rollup to keep up with related blogs and decisions.