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TL;DR - Rollup
- Rollup is a module bundler for JavaScript that uses ES modules
- It creates optimized bundles for libraries and applications
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Good for libraries
- Tree shaking
- Plugin ecosystem
- ES modules focus
- Active development
Cons
- Vite often preferred
- Configuration needed
- Less features than Webpack
- Learning curve
- Build times
Key Features
JS bundlerES modulesTree-shakingCode splittingPluginsOpen source
Pricing Plans
Free
Free
- 100% free and open source
- MIT license
- ES module bundler
- Tree-shaking
- Plugin ecosystem
- Community support
About Rollup
By Toolradar Team·
Rollup bundles JavaScript with tree shaking. Module bundler for library authors—bundling that produces clean output.
The tree shaking works well. The library use case is strong. The output is optimized.
JavaScript library authors often use Rollup for clean, shaken bundles.
Reviews
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Rollup FAQ
Is Rollup free?
Yes, Rollup is completely free and open source. It's one of the foundational tools in the JavaScript ecosystem, used by Vite and many libraries.
What is Rollup?
Rollup is a JavaScript module bundler that's particularly good at creating library bundles. It produces cleaner, smaller output than Webpack and is used by Vite under the hood.
Rollup vs Webpack?
Rollup produces cleaner bundles and is ideal for libraries. Webpack has more features for applications (code splitting, HMR). Rollup for libraries; Webpack for complex apps.
Source: rollupjs.org