React native is a javascript framework widely used for developing feature-rich projects that run efficiently on more than one platforms with great satisfaction. Now to start building an app in react native, you need to know about Web packs – a latest front-end development tool. It is a module bundler for javascript that Packs many modules into a few bundled assets where Code Splitting allows to load parts for the application on demand. React is majorly helping Web packs getting popularized.