Re: [w3ctag/design-reviews] JavaScript WeakRefs (#321)

Hey @tschneidereit:

Thanks for filing the request!

We had a chance to look through this at today's F2F in TOK and are generally supportive. In particular, we understand that WeakRefs will help reduce fracture in the platform when it comes to introducing WASM host bindings. To the extent that's true, we're excited to see this move forward.

Regarding the explainer doc itself, the PDF from Dean seems to be nearly a year old. Have there been updates to the proposal since then? The factory method seems peculiar.

As to integration with other web platform APIs, the various DOM collection types seem like they might benefit from WeakRefs, but it isn't yet clear to me if that will need to be done though new types or if compatible evolution of existing collections. In general we're excited to have this in the quiver for new feature designs.

Thanks for bringing it to our attention, and best of luck at TC39.

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