Async Class

[Isiah Meadows]

 > I think he means literally returning a promise.

That would be the correct assumption. ;-)
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Isiah Meadows
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On Fri, Feb 16, 2018 at 3:05 AM, T.J. Crowder
<tj.crowder at farsightsoftware.com> wrote:
> On Fri, Feb 16, 2018 at 7:51 AM, Dimitrian Nine <dimtimeforever at gmail.com>
> wrote:
>>
>> "Also, note that you can return promises out of the constructor (and I've
>> done it before)"
>>
>> Like callback?
>
> I think he means literally returning a promise. If you return an object out
> of the constructor, that becomes the result of the `new` operation. So you
> can literally return a promise of an instance instead of an instance
> ([fiddle][1]):
>
> ```js
> class Example {
>     constructor() {
>         return new Promise(resolve => {
>             setTimeout(() => {
>                 const instance = Object.create(Example.prototype);
>                 resolve(instance);
>             }, 200);
>         });
>     }
>
>     foo() {
>         console.log("foo called");
>     }
> }
> ```
>
> It gets ugly(ier) when you want to extend that. :-)
>
> -- T.J. Crowder
>
> [1]: https://jsfiddle.net/b9kzpd6c/1/
>
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