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Welcome to the rollup wiki!

If you're new to rollup, here's what you need to know:

• rollup is an ES6 module bundler. It takes a file - let's call it main.js, and recursively imports its dependencies until your whole library or application is contained in a single file
• unlike other bundlers (such as browserify, webpack, esperanto or jspm), rollup only includes the code you actually need. In many cases, the resulting bundle is a fraction of the size. Even in the worst case scenario it will still be smaller than bundles generated by other tools
• the easiest way to use it is via the [command line](Command Line Interface)...
• ...but you can also use the node API...
• ...or a plugin for your [build tool](Build tool plugins) of choice

If you're experiencing problems, check the Troubleshooting page or raise an issue!