On Tue, May 23, 2017 at 2:44 AM, Alex Vincent <[email protected]> wrote:
> Full details are at https://github.com/ajvincent/es7-membrane/issues/79 , > which is where I'm hoping to find a solution. > To fix this, you must create a third object for each dry proxy, to serve as its [[ProxyTarget]]. There's no way around it. And you're right, it's not easy; you have to implement all of the handler methods, because none of the defaults do the right thing anymore. All the target checks in the design were intended to (a) allow proxies to claim to have immutable parts; and yet (b) maintain the language's invariants that immutable parts cannot change, even for proxies. [[ProxyTarget]] looks like an ease-of-use feature, but it's not; it's really in support of (a) and (b), and as you've found, it actually makes some things harder. -j
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