While deno has sandboxing, it also has potential access to hundreds of dangerous functions, it might be better just to write a tiny wrapper around JS engine that adds only the function to write to stdout.

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AbuAssar 3 days ago | parent [-]

Deno blocks by default the access to network, storage and environment variables

	▲	codedokode 3 days ago \| parent [-]
		JS interpreter doesn't have the access at all - it is provided by native functions, added by the wrapper like deno, so there is nothing to block.