Goja async await

[mstoykov]

No description provided.

[codecov-commenter]

Codecov Report

Merging #2830 (96d5f3d) into master (613fe8b) will decrease coverage by 0.06%.
The diff coverage is 55.27%.

❗ Current head 96d5f3d differs from pull request most recent head 72aec24. Consider uploading reports for the commit 72aec24 to get more accurate results

@@            Coverage Diff             @@
##           master    #2830      +/-   ##
==========================================
- Coverage   76.06%   75.99%   -0.07%     
==========================================
  Files         215      213       -2     
  Lines       16564    16554      -10     
==========================================
- Hits        12599    12581      -18     
- Misses       3197     3200       +3     
- Partials      768      773       +5     

Flag	Coverage Δ
ubuntu	75.93% <55.27%> (-0.03%)	⬇️
windows	75.77% <53.72%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cmd/cloud.go	13.40% <0.00%> (+0.57%)	⬆️
cmd/common.go	58.13% <0.00%> (-15.78%)	⬇️
cmd/convert.go	68.29% <0.00%> (ø)
cmd/inspect.go	26.53% <0.00%> (ø)
cmd/login_cloud.go	19.76% <0.00%> (-0.24%)	⬇️
cmd/login_influxdb.go	11.66% <0.00%> (ø)
cmd/pause.go	37.50% <0.00%> (ø)
cmd/resume.go	37.50% <0.00%> (ø)
cmd/scale.go	40.00% <0.00%> (ø)
cmd/stats.go	42.85% <0.00%> (ø)
... and 32 more

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[na--]

Mostly LGTM, but can we please add a new test or edit an existing test, either in js/ or in the integration test, with even a single async function? 😅

The TC39 tests are awesome, but they are skipped by default. It seems useful to have some minor k6-specific test that will fail in normal go test ./... in our local machines.

[mstoykov]

It seems useful to have some minor k6-specific test that will fail in normal go test ./... in our local machines.

I would argue those will come when we start adding specific stuff for k6. But have added a small event loop test

[GrayedFox]

Updated docs with an example using async/await would be the cherry on top! Otherwise cheers, much anticipated by the k6 community I believe ⚡