Established name is Promise.properties
On Mon, 14 Oct 2019, 09:29 Cyril Auburtin, <[email protected]> wrote:
> maybe a naming like: `Promise.allObject`
>
> ```js
> Promise.allObject = obj => {
> if (obj && !obj[Symbol.iterator]) {
> return Promise.all(
> Object.entries(obj).map(async ([k, v]) => [k, await v])
> )
> .then(Object.fromEntries);
> }
> return Promise.all(obj);
> }
>
> var delay = t => new Promise(r => setTimeout(r, t));
> console.time(1); console.log(await Promise.allObject({foo:
> delay(110).then(()=>1), bar: delay(120).then(()=>2)})); console.timeEnd(1)
> ```
>
> On Sun, Oct 13, 2019 at 8:55 PM Isiah Meadows <[email protected]>
> wrote:
>
>> Maybe Promise.join(object)? Also, if a map is passed (or any iterable),
>> it should be joined into a map.
>>
>> At the most basic level:
>>
>> ```js
>> Promise.join = (o) => {
>> let isMap = o[Symbol.iterator] != null
>> let ps = (
>> isMap ? Array.from : Object.entries
>> )(o)
>> let ks = ps.map(p => p[0])
>> return Promise.all(ps.map(p => p[1]))
>> .then(vs => {
>> let ps = vs.map((v, i) => [ks[i], v])
>> return isMap
>> ? new Map(ps)
>> : Object.fromEntries(ps)
>> })
>> }
>> ```
>>
>> On Sun, Oct 13, 2019 at 13:40 Cyril Auburtin <[email protected]>
>> wrote:
>>
>>> OP probably means he would like Promise.all to return an object as well,
>>> if an object if given
>>>
>>> It's possible to hack an object to be iterable, but Promise.all
>>> already return an array unfortunately
>>>
>>> On Sun, Oct 13, 2019 at 7:16 PM Boris Zbarsky <[email protected]> wrote:
>>>
>>>> On 10/12/19 12:52 AM, Jacob Bloom wrote:
>>>> > const responses = await Promise.all(requests);
>>>>
>>>> As opposed to:
>>>>
>>>> const responses = await Primise.all(requests.values());
>>>>
>>>> which works right now?
>>>>
>>>> -Boris
>>>> _______________________________________________
>>>> es-discuss mailing list
>>>> [email protected]
>>>> https://mail.mozilla.org/listinfo/es-discuss
>>>>
>>> _______________________________________________
>>> es-discuss mailing list
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>>> https://mail.mozilla.org/listinfo/es-discuss
>>>
>> --
>> -----
>>
>> Isiah Meadows
>> [email protected]
>> www.isiahmeadows.com
>>
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