什么是uglify-inplace，runs uglify on the input file and replaces it with the compressed version
Supply a list of files and they will be uglified in-place. This uses uglify - if you have ES6 code, use babili-inplace instead.
npm install -g uglify-inplace
Supply a list of files and they will be uglified. For example, the following will overwrite index.js with a minified version.