Shorter syntax for arrow function assignment

Brian Blakely anewpage.media at gmail.com
Tue Oct 24 19:55:27 UTC 2017


This is the case that is fading away (and probably isn't coming back into
vogue ever again):

```js
const Foo = function() {
  this.bar = `b4r`;
};
```


On Tue, Oct 24, 2017 at 1:47 PM, Andrea Giammarchi <
andrea.giammarchi at gmail.com> wrote:

> > functions are already outmoded
>
> I don't know where you come from but to me:
>
> ```js
> // this ain't outmoded at all
> const obj = {
>   method() { return this === obj; }
> };
>
> // this ain't outmoded at all
> class Any {
>   method() { return this instanceof Any; }
> }
> ```
>
> And a module that provides mixins is definitively not outmoded at all
> ```js
> export method() {
>   return this !== undefined;
> };
> ```
>
> Omitting the arrow is everything but a syntax win here.
>
> Regards
>
>
>
>
> On Tue, Oct 24, 2017 at 2:32 PM, Brian Blakely <anewpage.media at gmail.com>
> wrote:
>
>> At current, sans an explicit assignment, the pragma `foo() {...}` should
>> throw.
>>
>> On Tue, Oct 24, 2017 at 1:26 PM, dante federici <
>> c.dante.federici at gmail.com> wrote:
>>
>>> Another annoying thing JS has to deal with is:
>>> ```
>>> // implicitly 'var'
>>> someVar = 10;
>>> ```
>>>
>>> So, something like:
>>> ```
>>> myFn() {
>>> }
>>> ```
>>>
>>> Would be considered as:
>>> ```
>>> var myFn = function() {
>>> }
>>> ```
>>>
>>> with what semantics exist now. Not best practices, but what is currently
>>> interpreted in the language.
>>>
>>> I'd 100% agree that, as a shorthand, this is nice:
>>> ```
>>> myFn() { }
>>> const myFn = () => {}
>>> ```
>>>
>>> Which is what I mean. But I'm not the full implementation of JavaScript.
>>>
>>> _______________________________________________
>>> es-discuss mailing list
>>> es-discuss at mozilla.org
>>> https://mail.mozilla.org/listinfo/es-discuss
>>>
>>>
>>
>> _______________________________________________
>> es-discuss mailing list
>> es-discuss at mozilla.org
>> https://mail.mozilla.org/listinfo/es-discuss
>>
>>
>
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