Error: "Cannot use import statement outside a module" about keycloak-nodejs-admin-client HOT 6 CLOSED

CommonJS and ESM interoperability is notoriously hard, so we'd rather stick to a standardized solution that everyone will be using in the future.

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Thanks. The transformIgnorePatterns seemed to work, but then I had to add several more node modules to the list. But, it is working ok now. Is there a reason you are not providing a CommonJS fallback? Just curious.

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"CommonJS and ESM interoperability is notoriously hard, so we'd rather stick to a standardized solution that everyone will be using in the future."

@jonkoops it's not like that, the vast majority of people/companies that are using this package still follow type commonsJS.
this answer is a bit lazy (I say this with all due respect) but making a package like this available, changing it from one moment to another, and letting everyone manage to configure their projects is a bit of bad faith.

I say this because I'm having the same problem as @kevinswarner , and our product is in production and I can't downgrade it because version 18 has a vulnerability pointed out by our sonarqube and we can't update to version ^20.0.1 because it has this "problem" with ESM, complicated.

at least we managed to fork the project

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You are using new JavaScript module syntax that is only supported when you enable it explicitly. For more information see the Node.js documentation.

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I understand that, but what I am confused about is Jest is transforming my code, and I am using "import" throughout to import other third party packages, without any issues. It is ONLY this package that is causing the error. So there is something different about THIS package that I am trying to understand so that I can figure out how to use it.

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The issue is likely due to the fact this package ships as a pure ESM library, without a CommonJS fallback. This is an issue in Jest that still needs to be resolved.

You'll either have to enable ESM mode (see documentation), or tweak transformIgnorePatterns so that this package is transformed by Jest (see jestjs/jest#11753 (comment)).

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