leak file structure • But: increase bundle size plugins: [ new webpack.HashedModulesPlugin() ## DIIPlugin • Creates a bundle which exposes modules to other bundles. • Use modules from Dll bundle with Cases: Build performance, Vendor bundle • But no Tree Shaking/Scope Hoisting in the Dll bundle ## DIIPlugin Usage output: { library: "dll_[hash]", filename: "dll.js" }, plugins: [