允许一个节点进程在它自己的模块之间进行通信的最友好的方式是什么?

I've built a system whereby multiple modules are loaded into an "app.js" file. Each module has a route and schema attached. There will be times when a module will need to request data from another schema. Because I want to keep my code DRY, I want to communicate to another module that I want to request a certain piece of data and receive its response.I've built a system whereby multiple modules ar