Commits on Sep 17, 2024

1. DOM: Implement async iterable conversion support for Observables …

   This CL implements async iterator support for Observables, and adds tons
   of WPTs exercising subtle functionality of iterable and async iterable
   Observable conversion semantics. It implements the spec text in
   WICG/observable#160, and is a follow-up to
   https://crrev.com/c/5840672, which brings async iterable support to core
   bindings code.
   
   This CL amounts to a partial implementation of async iterable support;
   what's missing and what will be included as a follow-up is:
   
    1. Support for calling the Async Iterator's `return()` method [1] when
       an Observable — when consuming an async iterable — aborts its
       subscription before iterable exhaustion.
    3. A possible refactor to move some of the logic that handles the
       `ScriptIterator` into `ScriptIterator` itself, per discussion in
       [2].
   
   [1]: https://tc39.es/ecma262/#sec-asynciterator-interface
   [2]: https://chromium-review.googlesource.com/c/chromium/src/+/5840672/comment/72df95a9_dd32d801/
   
   R=masonf@chromium.org
   
   Bug: 40282760, 363015168
   Change-Id: I5f31f4028613245025de71b8975fc92e9d1def0a
   Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5850509
   Reviewed-by: Mason Freed <masonf@chromium.org>
   Commit-Queue: Dominic Farolino <dom@chromium.org>
   Cr-Commit-Position: refs/heads/main@{#1356228}

   

   domfarolino authored and chromium-wpt-export-bot committed Sep 17, 2024
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