rollup - 0.50.0-6 main

Rollup is a smaller, more efficient alternative to webpack and Browserify to
bundle JavaScript files. Compared to the other tools for creating JavaScript
bundles, Rollup will almost always create a smaller, faster bundle.
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This happens because Rollup is based on ES2015 modules, which are more
efficient than CommonJS modules, which are what webpack and Browserify use.
It’s also much easier for Rollup to remove unused code from modules using
something called tree-shaking, which basically just means only the code we
actually need is included in the final bundle.
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Node.js is an event-based server-side JavaScript engine.