Claus Reinke wrote:
Object.freeze deals in certain observables. It does not freeze
closure state, or weakmap-encoded state, or (per the ES6 proposal)
private-symbol-named property state where such properties already
exist. Those are not directly observable by the reflection API.
True, private symbols as first-class objects can hide anywhere.
...
Your -- as in You the abstraction implementor -- may indeed make such
state observable.
But if I do not have a way to hook into freeze, etc, how do I make
my objects with hidden state behave like objects with exposed state?
You don't, for a non-proxy. For a proxy, you can do what you like via
the whitelist and unknownPrivateSymbol (or better, if there's a better
way to handle whitelist misses).
/be
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