https://scotch.io/tutorials/setup-a-react-environment-using-webpack-and-babel
yarn config set registry 'https://registry.npm.taobao.org'
yarn add webpack webpack-dev-server path
yarn add babel-loader babel-core babel-preset-es2015 babel-preset-react --dev
yarn add html-webpack-plugin
yarn add react react-dom
# 产品编译及压缩
# https://webpack.js.org/guides/production-build/
webpack -p
# 线上环境产生文件名带md5的文件
# https://webpack.js.org/guides/caching/
output: {
path: path.resolve('dist'),
filename: '[name].[chunkhash]_bundle.js'
}