On Wed, Dec 12, 2012 at 12:35 PM, David Bruant <[email protected]> wrote:
> I was a bit too strong in my statement, sorry. Let me rephrase: the > internal [[Target]] can't be changed, but a proxy can emulate changing of > "fake" target as long as what happens with this "fake" target doesn't > involve invariant checking. > That's the reason I was suggesting that WindowProxies could (maybe > depending on how the object reference was obtained) throw whenever > invariant checks are involved. > Exactly. So a user-defined switching proxy needs only to: 1. refuse to commit to any invariant (non-configurable property or preventExtensions) 2. even if its switchable-target has an invariant, do not expose that invariant (i.e. pretend each property is configurable)
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
