[pull] main from facebook:main#356
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Server Functions can be stringified (sometimes implicitly) when passed as data. This adds an override to hide the source code in that case - just in case someone puts sensitive information in there. Note that this still preserves the `name` field but this is also available on the export but in practice is likely minified anyway. There's nothing else on these referenes we'd consider unsafe unless you explicitly expose expandos which are part of the `"use server"` export. This adds a safety check to ensure you don't encode cyclic Promises. This isn't a parser bug per se. Promises do have a safety mechanism that avoids them infinite looping. However, since we use custom Thenables, what can happen is that every time a native Promise awaits it, another Promise wrapper is created around the Thenable which foils the ECMAScript Promise cycle detection which can lead to an infinite loop. This also ensures that embedded `ReadableStream` and `AsyncIterable` streams are properly closed if the source stream closes early both on the Server and Client. This doesn't cause an infinite loop but just to make sure resource clean up can proceed properly. We're also adding some more explicit clear errors for invalid payloads since we no longer need to obfuscate the original issue.
In case we get into loops.
Putting up #35129 again Reverted in #35346 after breaking main before security patch This change impacts output formatting in a lot of snaps, so is very sensitive to additions in main to the fixtures resulting in broken tests after merging, so we should try merge quickly after rebasing or do a fast follow to the merge with a snap update.
…nt' (#35216) Summary: These validations are not essential for compilation, with this we only run that logic when outputMode is 'lint' Test Plan: Update fixtures and run tests
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