如何npm安装当前目录以及包含package.json文件的子目录？

I have a an application which is a web game server and say for example I have node_modules which I use in directory ./ and I have a proper package.json for those. it happens that in directory ./public/ I have a website being served which itself uses node_modules and also has a proper package.json for itself.I have a an application which is a web game ser