IoC是Inversion Of Control(控制翻轉)
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
InversifyJS is a lightweight (4KB) inversion of control (IoC) container for TypeScript and JavaScript apps. A IoC container uses a class constructor to identify and inject its dependencies. InversifyJS has a friendly API and encourage the usage of the best OOP and IoC practices.
http://inversify.io/