Additional methods for Objects (like Arrays)

[Isiah Meadows]

Ok. Never mind. I forgot about that part (I hadn't looked it up lately...)
:)

On Fri, Feb 5, 2016, 14:26 Jordan Harband <ljharb at gmail.com> wrote:

> Object.entries and Object.values must remain consistent with Object.keys
> and will return arrays - luckily those are iterable too.
>
> On Friday, February 5, 2016, Isiah Meadows <isiahmeadows at gmail.com> wrote:
>
>> I think that these methods should exist in iterator prototypes, with the
>> native iterators subclassing something like Iterator. Object.entries and
>> Object.values should return iterators that inherit these methods. Such
>> wrapper libraries are already coming out, and making existing arrays lazily
>> iterate already exists in `Symbol.iterator`.
>>
>> On Tue, Feb 2, 2016, 12:12 Simon Blackwell <syblackwell at anywhichway.com>
>> wrote:
>>
>>> Although Rick makes a good point that Object.values and Object.entries
>>> make creating functionality similar to that describe by Kaustubh, they are
>>> no exactly direct. We have added the requested functions to V2.0 of
>>> JavaScript Object Extensions at https://github.com/anywhichway/joex.
>>>
>>>
>>> On Fri, Jan 29, 2016 at 7:44 PM, Rick Waldron <waldron.rick at gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Fri, Jan 29, 2016 at 6:08 PM Kaustubh Karkare <
>>>> kaustubh.karkare at gmail.com> wrote:
>>>>
>>>>> I have recently come to feel the need for Object.map, which is like
>>>>> Array.map,
>>>>> except that it receive keys instead of indices.
>>>>>
>>>>> Object.prototype.map = function(mapFn, context) {
>>>>>   return Object.keys(this)
>>>>>     .reduce(function(result, key) {
>>>>>       result[key] = mapFn.call(context, this[key], key, this);
>>>>>       return result;
>>>>>     }, {});
>>>>> };
>>>>>
>>>>> Without this, I frequently do the exact same thing as the above
>>>>> manually,
>>>>> which leads to unnecessary code duplication.
>>>>>
>>>>> Given that, it might make sense to match other methods from
>>>>> Array.prototype
>>>>>
>>>>> Object.map
>>>>> Object.filter
>>>>> Object.every
>>>>> Object.some
>>>>> Object.reduce
>>>>> Object.find
>>>>> Object.findKey // like Array.findIndex
>>>>>
>>>>
>>>>
>>>> Are these necessary given the introduction of Object.values() and
>>>> Object.entries()?
>>>> https://github.com/tc39/proposal-object-values-entries
>>>>
>>>> Rick
>>>>
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>>>>
>>>>
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>>
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