New Promise Syntax Proposal

Isiah Meadows isiahmeadows at gmail.com
Mon Nov 6 15:38:59 UTC 2017


There is Sweet.js, which addresses this issue somewhat. ;-)

On Mon, Nov 6, 2017, 10:34 Jonathan Barronville <jonathan at belairlabs.com>
wrote:

> From the example provided, as someone who uses promises a lot, I’m not
> sure I’m sold on the need for this either. Maybe you could provide some
> more concrete examples, Jorge?
>
>
> P.S. Proposals like this are why JavaScript should’ve been a LISP ;p …
>
> On Mon, Nov 6, 2017 at 10:28 AM, Isiah Meadows <isiahmeadows at gmail.com>
> wrote:
>
>> I'm not convinced of the need. Promises are already sufficient, and in
>> general use, I rarely use the constructor outside of adapting
>> callback-related code or other lower-level cases.
>>
>> Also, keep in mind, most such promise-returning functions do have
>> arguments, which this proposal seems to miss.
>>
>> On Mon, Nov 6, 2017, 10:23 Jorge Téllez <novohispano at gmail.com> wrote:
>>
>>> I would like to propose a new syntax for promises for the next
>>> ECMAScript.
>>>
>>> It is common to define promises in the following way:
>>>
>>> function promiseFunction() {
>>>   return new Promise(resolve, reject) {
>>>     resolve(someValue);
>>>   };
>>> }
>>>
>>> In the previous example, I am declaring a function so that I can access
>>> the promise throughout.
>>>
>>> I would like propose a simpler syntax to remove this redundancy:
>>>
>>> promise promiseFunction(resolve, reject) {
>>>   resolve(someValue);
>>> }
>>>
>>> This will make the promise declaration easier to read in a similar
>>> fashion as the new class syntax made it easier to declare prototypes.
>>>
>>> __
>>> Jorge Téllez
>>> +52 1 81 2567 8257 <+52%201%2081%202567%208257>
>>> @novohispano <http://twitter.com/novohispano>
>>>
>>> _______________________________________________
>>> 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
>>
>>
>
>
> --
> - Jonathan
>
>>
> Life is a game and we’re all just high density pixels.
> _______________________________________________
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