jjayjack/typescript-decorators

TypeScript-Decorators

Function that is applied to something in a certain way @Decorator @ special character that TypeScript recognizes Decorator or decorator points at a function

Class Decorators

Added to the class as a whole. Receive arguments such as target, or specific constructor. Execute when class is defined not when instantiated. Decorators with return are methods & accessors.

Adding multiple decorators

Execute bottom up! All decorators run when class is defined without instantiating class.

Property Decorators

Method Decorator

Accepts three arguments & used before method

Parameter Decorator

(target, name of method in which parameter is used, position of this argument within method)