I believe there's a very simple way to do this today: new Map([...mapA, ...mapB, ...mapC]).
Almost as nice as map.assign :-) - Gil Tayar On Thu, Jan 18, 2018 at 8:12 PM T.J. Crowder < [email protected]> wrote: > On Thu, Jan 18, 2018 at 6:08 PM, Mike Samuel <[email protected]> wrote: > > > > What if, instead of a variety of assign methods, we respeced > > Object.assign to do this given a Map as the left-value? > > I think even if one posits that that would have been a good idea when > `Object.assign` was defined, the ship has sailed. Code in the wild setting > custom properties on `Map` instances using `Object.assign` would suddenly > break. > > -- T.J. Crowder > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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