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Comment by santadays

17 hours ago

GraalVM supports running javascript in a sandbox with a bunch of convenient options for running untrusted code.

https://www.graalvm.org/latest/security-guide/sandboxing/

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santadays

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simonw  3 hours ago

Oh that looks neat! It appears to have the memory limits I want (engine.MaxIsolateMemory) and a robust CPU limit: sandbox.MaxCPUTime

One catch: the sandboxing feature isn't in the "community edition", so only available under the non-open-source (but still sometimes free, I think?) Oracle GraalVM.