Getting jsdom to execute in the GraalJS engine

[Hugo Ferreira]

Hello,

I am trying to execute jsdom in the GraalVM JavaScript engine.

Unfortunately its seems like the first few `require` in https://github.com/jsdom/jsdom/blob/master/lib/api.js

are intrinsic to the Node.js script engine. My question is: is it possible to run jsdom in a Javascript engine

other than Node.js? Is it just a question of loading the required script. For example, were can I find the "path"

script?

TIA

[Sebastian Mayr]

Possibly. While we don't support Graal, we do support webworkers in browsers via browserify. You may be able to feed that version into Graal, although I'm not sure if it supports all the necessary APIs of the shim scripts.

-Sebastian

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[Hugo Ferreira]

Sebastian,

Appreciate the information. My JavaScript is poor so this may be a less than intelligent question:

I have to feed GraalJS either a file with JS or a string with JS.

You said I " may be able to feed that version into Graal". I take it it is a script that has been "packed" by browserify?

If so, were can I get this. My Google foo failed me.

In regards to the "shim scripts", were can I get information on these? I can always try and implement them as JS

directly in a script or as Java interop objects.

TIA

On Thursday, 17 October 2019 16:39:16 UTC+1, Sebastian Mayr wrote:

Possibly. While we don't support Graal, we do support webworkers in browsers via browserify. You may be able to feed that version into Graal, although I'm not sure if it supports all the necessary APIs of the shim scripts.

-Sebastian

On Thu, Oct 17, 2019, 11:36 Hugo Ferreira <hugo6f...@gmail.com> wrote:

Hello,

I am trying to execute jsdom in the GraalVM JavaScript engine.

Unfortunately its seems like the first few `require` in https://github.com/jsdom/jsdom/blob/master/lib/api.js

are intrinsic to the Node.js script engine. My question is: is it possible to run jsdom in a Javascript engine

other than Node.js? Is it just a question of loading the required script. For example, were can I find the "path"

script?

TIA

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[Sebastian Mayr]

We don't provide a browserified script by default since you usually pack an entry script with it as well that exports the functionality you need into the window/executes it during init.

Our tests build that version with browserifys API, do so you might be able to glean some info there.

The shims are provided by browserify and basically implement node's native modules (that are required) so you can reuse exactly that same code in the browser. If a shim doesn't work for you, browserify has a way to specify overrides for all required modules. However at this point this is getting more into browserify usage.

-Sebastian

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[Hugo Ferreira]

Thanks Sebastian. I will try browserify and see how far i get.

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