On Dec 18, 2012, at 8:08 AM, Anne van Kesteren wrote: > On Tue, Dec 18, 2012 at 4:32 PM, Alex Russell <[email protected]> wrote: >> Object.observe() is a notification, not interception, mechanism. Where we >> need to stratify an intercept, ES 6 Proxies are the mechanism we should lean >> on, but in the main, we should ALWAYS seek to avoid using them. That is to >> say, if we must do magic (use proxies), we must do magic; however we should >> only arrive there after exhausting all other routes; both on the JS and DOM >> sides. > > It seems you either need to use a Proxy, some kind of wrapper method, > or a custom implementation in most cases. Typically when objects akin > to Map or Array are exposed in a platform API, mutating them has > observable (synchronous) side effects. >
http://wiki.ecmascript.org/doku.php?id=strawman:object_model_reformation proposes a mechanism that would support defining such object behaviors without requiring the full magic of Proxy. Allen
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
