This week, Facebook merged a monster pull request into React that replaced its existing build process with one based on Rollup, prompting several people to ask ‘why did you choose Rollup over webpack’? Which is a completely reasonable question. Webpack is one of the modern JavaScript community’s greatest success stories, with millions of downloads every month powering tens of thousands of websites
![Webpack and Rollup: the same but different](https://cdn-ak-scissors.b.st-hatena.com/image/square/a0061b6cc8dceec2250ac78b212cede561306334/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A1200%2F1%2ArtjClMZ8sq3cLFT9Aq8Xyg.png)