Ok. Never mind. I forgot about that part (I hadn't looked it up lately...) :)
On Fri, Feb 5, 2016, 14:26 Jordan Harband <[email protected]> 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 <[email protected]> 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 <[email protected]> >> 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 <[email protected]> >>> wrote: >>> >>>> >>>> >>>> On Fri, Jan 29, 2016 at 6:08 PM Kaustubh Karkare < >>>> [email protected]> 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 >>>> >>>> _______________________________________________ >>>> es-discuss mailing list >>>> [email protected] >>>> https://mail.mozilla.org/listinfo/es-discuss >>>> >>>> >>> _______________________________________________ >>> es-discuss mailing list >>> [email protected] >>> https://mail.mozilla.org/listinfo/es-discuss >>> >>
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