importing ethers in a babel-jest or ts-jest file throws due to elliptic import

[shrugs]

i'm in a lerna monorepo, but have no-hoisted the @ethersproject/* and elliptic libraries, so they should be local and definitely resolve as normal. It seems like the default export of the elliptic package that is being imported is undefined, which is odd, since a valid elliptic package exists on disk.

    TypeError: Cannot read property 'ec' of undefined

      at Object.<anonymous> (node_modules/@ethersproject/wallet/node_modules/@ethersproject/signing-key/src.ts/elliptic.ts:2:17)
      at Object.<anonymous> (node_modules/@ethersproject/wallet/node_modules/@ethersproject/signing-key/src.ts/index.ts:3:1)

curiously, this doesn't seem to be an issue when importing the ethers project within a nextjs api route, though afaik they should be using the exact same toolchain (babel with { presets: ['next/babel'] }).

[jcmonte]

did you ever find a solution to this?

[shrugs]

@JChiaramonte7 nope ¯\_(ツ)_/¯

[ricmoo]

This is something I had to work around too, since the elliptic package has circular references. If you check out the build scripts for signing-key it bundles up the elliptic package for ESM by doing some weird things. I forget exactly what, but if you check out the rollup configs it might help.

I can look more into this next week to see if I can help though.

Moving to discussions though, and if you figure it out in the meantime let me know too. I can add it to the docs.

In v6 I’m hoping to move off of elliptic entirely, and onto more typescript friendly options. :)

[jcmonte]

So changing my jest config moduleDirectories from ['node_modules', '.'] to ['node_modules', '<rootDir>'] fixed it for me.

Not 100% sure I understand here, but I think this fix directs jest to look for dependencies from the root instead of the current directory. Which sounds like it might fix the circular dependency issue with 'ec'? At least it did in my case.

Anyways, I'm just going to leave this here in case it helps others in the future.

[sentilesdal]

Wow, you probably just saved me an entire day, thanks.

[probablyangg]

it worked! thanks!