https://webpack.js.org/concepts/
https://github.com/webpack/webpack
At its core, webpack is a static module bundler for modern JavaScript applications. When webpack processes your application, it internally builds a dependency graph which maps every module your project needs and generates one or more bundles.
Learn more about JavaScript modules and webpack modules here.
原文：https://www.cnblogs.com/chucklu/p/11081268.html