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Grunt vs rollup: What are the differences?
What is Grunt? The JavaScript Task Runner. 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.
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.
Grunt and rollup belong to "JS Build Tools / JS Task Runners" category of the tech stack.
Grunt is an open source tool with 11.9K GitHub stars and 1.55K GitHub forks. Here's a link to Grunt's open source repository on GitHub.
Medium, Twitter, and Udemy are some of the popular companies that use Grunt, whereas rollup is used by Repro, Yummypets, and Elementum. Grunt has a broader approval, being mentioned in 796 company stacks & 430 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 Grunt
- Configuration288
- Open source176
- Automation of minification and live reload166
- Great community60
- SASS compilation7
Pros of rollup
- Makes it easy to publish packages3
- Easier configuration3
- Better tree shaking2
- Provides smaller bundle size2
- 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
- Integrates seamlessly with SystemJS1
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Cons of Grunt
- Poor mindshare/community support1
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