Allow configuring js runtime for the compiler

[sigmaSd]

Summary

Adding a nim configuration option to choose which javascript runtime to run the js examples with docgen

Description

Currently docgen runs the javascript examples with node, but I want to run it with deno because I depend on Deno apis (when targeting deno) also maybe someone wants to target bun

Currently its hard coded here

Nim/compiler/nim.nim

Line 101 in 1e01651

cmdPrefix = findNodeJs() & " --unhandled-rejections=strict "

I propose adding a configuration option that allows the user to choose the runtime.

Alternatives

No response

Standard Output Examples

No response

Backwards Compatibility

No response

Links

No response

[sigmaSd]

I noticed this also affects nim c -r --backend=js file.nim

[sigmaSd]

My current workaround is to use nimble tasks, for example https://github.com/sigmaSd/deno-nim/blob/master/deno_nim.nimble#L26 and mark the docs with "-r:off", while making nimble docs run them with deno

This allows me to write inline tests/examples

[koaledu]

I was about to create a new issue but I noticed this exists.
It would be amazing to let us use Bun for running the JS transpiler.