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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.
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.
Pros of Parcel
- Zero configuration10
- Built-in dev server with livereload8
Pros of rollup
- Makes it easy to publish packages4
- Easier configuration3
- Better tree shaking2
- Provides smaller bundle size2
- Integrates seamlessly with SystemJS1
- Produces very clean code1
- Very reliable1
- Very robust Plugin-API (years old Plugins still work)1
- Very flexible1
- Was built with ESM-Modules in mind1
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Cons of Parcel
- Lack of documentation3
Cons of rollup
- No clear path for static assets1
- No Loader like Webpack (need to use sjs or ESM imports)1
- Almost everything needs to be a Plugin1
- Manual Chunking is a bit buggy1
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What is Parcel?
What is rollup?
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What companies use rollup?
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What tools integrate with Parcel?
What tools integrate with rollup?
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