Interestingly, if multiple arguments are not added now, they may never be possible, since there will be so much `[a, b, c].reduce(Object.assign)` code in the wild that implicitly passes an index as the third parameter and the whole array as the fourth parameter.
-----Original Message----- From: es-discuss [mailto:[email protected]] On Behalf Of Brendan Eich Sent: Tuesday, December 17, 2013 20:18 To: Claude Pache Cc: es-discuss Subject: Re: Object.assign with several source objects It's now or never. I agree multiple sources are useful enough to do now; I don't see a different third parameter that would be precluded by deciding this. But others may disagree. /be > Claude Pache <mailto:[email protected]> December 17, 2013 5:06 PM > Hello, > > Tonight, when playing with ES6's new functions, I was wishing that > `Object.assign` could accept several `source` objects: > > Object.assign(target, source1, source2, ...) // equivalent to > `Object.assign(Object.assign(Object.assign(target, source1), source2), > ...)` > > My use case: I have several objects, used as dictionaries, coming from > different sources, and I want to merge them together. For example: > > c.prototype.exec = function(userParams) { var params = Object.assign({ > method: "GET" }, this.defaultParams, > userParams) > // etc. > } > > Any thoughts? > > -Claude > _______________________________________________ > 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 _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
