webpack4-front-end-tool

• compiles Sass / SCSS to CSS
• PostCSS + Autoprefixer + CSSNano
• Hot Module Replacement (HMR)
• extracts CSS into separate files in production mode with MiniCssExtractPlugin
• transpiles JavaScript using Babel
• JavaScript polyfilling with @babel/polyfill, used with @babel/preset-env and the experimental useBuiltIns: "usage" option, which provides specific imports for polyfills when they are used in each file. As a result, the bundler will load the same polyfill only once.
• JavaScript linting via ESLint
• code splitting via SplitChunksPlugin
• HtmlWebpackPlugin