Cutting off extra Ant Design icons from a Webpack bundle. ~400 kb bundle size reduce

antd-icons.js

// export the only icons you need

export {
  default as DownOutline
} from "@ant-design/icons/lib/outline/DownOutline";

export {
  default as UpOutline
} from "@ant-design/icons/lib/outline/UpOutline";

webpack.config.js

// redirect icon paths to your own file 

module.exports = {
  ...
  resolve: {
    ...
    alias: {
      ...
      "@ant-design/icons/lib/dist$": path.join(srcDir, "antd-icons.js")
      ...
    }
    ...
  }
  ...
};