How to write custom decorators in Angular?

Описание: #decorators #angular #customDecorators

This video talks about developing 7 widely used custom Angular decorators along with basic introduction of a decorator.

0:12 What is a Decorator?

0:32 Categories of Decorator

4:00 PageAnalytics Decorator

7:02 Constructor Function example

10:22 Decorator Factory

12:11 Injecting service in decorator

13:14 Unsubscribe Decorator

17:36 Debounce Decorator

21:05 PropertyDescriptor

22:30 Throttle Decorator

24:19 setTimeout Decorator

25:28 Timer decorator (calculate the time taken to execute a function)

27:00 ReadOnly property decorator


GIST of example code

Angular Page Analytics Decorator GIST
https://gist.github.com/sanjeevsubedi...

Angular Debounce Decorator GIST
https://gist.github.com/sanjeevsubedi...

Angular Throttle Decorator GIST
https://gist.github.com/sanjeevsubedi...

Angular Readonly Decorator GIST
https://gist.github.com/sanjeevsubedi...

Angular setTimeout Decorator GIST
https://gist.github.com/sanjeevsubedi...

Angular auto unsubscribe from subscription GIST
https://gist.github.com/sanjeevsubedi...

Angular timer GIST to calculate the time to execute a function
https://gist.github.com/sanjeevsubedi...


Helpful resources:

https://www.typescriptlang.org/docs/h...

https://github.com/tc39/proposal-deco...