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util: use V8 C++ API for inspecting Promises - #12254
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Also fyi @Fishrock123, this seems like a cleaner way to inspect Promise states than what the abort-on-rejected PR currently does…
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Errr, this allows you to get the actual result object e.g. an error without going through the Debug API? I was told that was not possible to do synchronously.
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@Fishrock123 this set of APIs is relatively new, having been added in V8 5.7 in v8/v8@2843258. That might be why.
joshgav
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LGTM, but perhaps returning an object instead of an array would be better.
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might it be better to use Object and name the properties? might be easier if we want to extend with additional metadata, and would allow the JavaScript to be de-coupled from the order of items in the array.
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Besides the fact that this is simpler to implement, it is also the approach taken by the existing GetProxyDetails. Plus, I don't think it is very likely for promises to change its internal properties anytime soon.
PR-URL: nodejs#12254 Refs: nodejs#11875 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Evan Lucas <evanlucas@me.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Josh Gavant <josh.gavant@outlook.com>
TimothyGu
commented
Apr 8, 2017
Landed in a37273c. |
italoacasas
commented
Apr 10, 2017
cc @TimothyGu |
addaleax
commented
Apr 10, 2017
This depends on V8 5.7 iiuc, so I’m adding the dont-land labels here |
Avoid using the deprecated debug mirror API.
Refs: #11875
Refs: #12243
CI: https://ci.nodejs.org/job/node-test-pull-request/7244/
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passesAffected core subsystem(s)
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