Concurrent js:serve runExecutor iterators failure

[cdaringe]

Problem

• executor foo tries to run and iterate through two js:serve executors on the dummy app, but only one app runs

Understanding the demo

• A custom executor is authored, which does things concurrently
• runExecutor is called twice, producing two async iterators
• those iterators are combined, then all events attempted to be iterated through

...however, execution halts for one iterator.

You can swap the target (such as build, lint) and these targets do not suffer the failure

[nx-cloud[bot]]

☁️ Nx Cloud Report

CI ran the following commands for commit 55fc9e903f6e3319c1c5c62b2019f782fb326e8b. Click to see the status, the terminal output, and the build insights.

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✅ Successfully ran 4 targets

• nx affected:test --base 4ce39df28b05eb777dc9979968d55d8f22475ab0 --parallel -- --ci --code-coverage
• nx affected:e2e --base 4ce39df28b05eb777dc9979968d55d8f22475ab0 --configuration production --parallel false -- --headless
• nx affected:lint --base 4ce39df28b05eb777dc9979968d55d8f22475ab0 --parallel
• nx affected:build --base 4ce39df28b05eb777dc9979968d55d8f22475ab0 --parallel --configuration production

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