In this Hasty Treat, Scott and Wes talk about whether decorators are finally here, what the uses cases are for decorators, how to define a decorator, and what auto accessor is.

Show Notes

00:25 Welcome
01:00 Are decorators finally here?
TC39 proposal
How this compares to other versions of decorators
06:47 What are use cases for decorators?
10:55 How do you define a decorator?
14:20 Auto Accessor

on classes

@loggged class C {}

on fields

class C { @logged x = 1; }

Auto Accessor

class C { accessor x = 1; }

sugar for below

class C { #x = 1; // # means private get x() { return this.#x; } set x(val) { this.#x = val; } }

Can be decorated and decorator can return new get and set and init functions

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