Reshow app Tree Shaking

Code Change

https://github.com/react-atomic/reshow/commit/28e4a9bec33b2f8eeb44f6b550ef4b13fabd5f52

babel-preset-env

https://github.com/babel/babel-preset-env#modules

Webpack

https://webpack.js.org/guides/tree-shaking/

Babel plugin

• https://github.com/Aladdin-ADD/babel-webpack-tree-shaking
• https://github.com/webpack-contrib/babel-minify-webpack-plugin

UglifyJS2

https://github.com/mishoo/UglifyJS2/blob/harmony/lib/compress.js