2014-03-05 20:11 GMT+01:00 C. Scott Ananian <[email protected]>: > On Wed, Mar 5, 2014 at 1:39 PM, Tom Van Cutsem <[email protected]> wrote: > > Object.getOwnPropertyDescriptors(proxy) would trigger the > > getOwnPropertyNames trap, followed by calls to the > getOwnPropertyDescriptor > > trap for each individual property. > > [[OwnPropertyKeys]], `ownKeys` trap. >
Yes, according to the current draft spec. I have a pending discussion with Allen that we actually need to reintroduce a [[GetOwnPropertyNames]] internal method / getOwnPropertyNames trap, as the `ownKeys` trap doesn't do any invariant checking, which is needed for a reliable Object.isFrozen test. Regards, Tom
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