TC39 Delegates
2026-07-31
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15:53
<Aki>
Delegates! I have posted a comment on the reflector regarding information still missing from the notes. Please do check it and/or your github inboxes
21:05
<nicolo-ribaudo>

For the export defer proposal, as promised two meetings ago we're also adding the "filter" support (import { a, b } as ns from "x") to dynamic import, by doing import("x", { filter: ["a", "b"] }).

Should that filter be an array-like or an iterable? It'd be nice if we could agree on some guidance to put in the normative conventions

22:08
<bakkot>
my general inclination is to use iterables anywhere there is not a specific reason to use an array-like
22:08
<bakkot>
in this case I can certainly imagine passing a Set, for example
22:09
<bakkot>
others may have a different inclination though
22:11
<bakkot>
not related to that, question, but question about the general proposal (just a question, not a suggestion): is this synthesizing a fresh module namespace exotic object, with live bindings? if yes, any de-duping like how namespace objects are usually de-duped?