Please publish a ESM package

[Polve]

I'm trying to develop an ember application importing bitcoinjs-lib that in turn imports this library (ecpair).

The problem is that the current release of WebPack 5 is unable to transpile ecpair with the following error:

ReferenceError: exports is not defined

and I was unable to find any way to fix the problem.

Is it possible to have a release supporting ESM packaging and "moduleResolution": "Bundler" ?

[junderw]

Please post reproduction steps.

Webpack 5 works fine for me. I need you to give me a setup / test repo that I can run and have it give me the same error.

[Polve]

It's an emberjs project using embroider and webpack: if you think it can be useful anyway I will create a repo with a sample

[junderw]

That would be useful. I need to verify the issue in order to try and fix it.

[Polve]

Done, here are the instructions to reproduce:

• checkout https://github.com/Polve/ecpair-issue-20 and enter the dir
• npm i
• ember serve
• connect the browser to http://localhost:4200/ and check the console, you should see (amongst other messages) the error:

ReferenceError: exports is not defined [...]

A couple notes:

• You can verify that commenting out the console.log instruction in the component (https://github.com/Polve/ecpair-issue-20/blob/83378ca55c32b9ef10fae1d08b604e4e1593f89d/app/components/imports.ts#L18) makes the error go away (and the program to start correctly) because the import will not be evaluated at runtime
• the WebPack configuration is in file ember-cli-build.js, for ecpair the only configuration needed is to use stream-browserify but I left other directives commented out so it's easier for you to understand how to set them and experiment

Feel free to ask for any details, thanks