Conecpts

A binding maps an identifier to a dependency item.

An identifier distinguish a dependency item from others. It could be:

• a value returned from createIdentifier
• a class

A dependency item is an implementation matching an identifier. It could be:

• a class
• a class dependency item
• a js primitive type value or object
• a factory function

An injector holds a set of bindings and resolve an identifier by constructing a dependency item.