[Webkit-unassigned] [Bug 172687] Can't use Object.defineProperty() to add an item to a DOMStringMap or Storage

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172687

--- Comment #1 from Sam Weinig <sam at webkit.org> ---
I believe what we need to do is override the 'defineOwnProperty' static function, in addition to 'put' and 'putByIndex'.

I'd be interested in going over all the overrides we do at some point, as I am not 100% what the ramifications of not overriding some (specifically getOwnNonIndexPropertyNames, getPropertyNames, getEnumerableLength, getStructurePropertyNames, getGenericPropertyNames, preventExtensions, and isExtensible) are with respect to the WebIDL specification of 'legacy platform objects' (https://heycam.github.io/webidl/#es-legacy-platform-objects)

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