Testing with Jest and Webpack aliases

Question

I am looking to be able to use webpack aliases to resolve imports when using jest, and optimally, reference the webpack.aliases to avoid duplication.

Je

Answer 1

This is a real insanity but when I try to map module in package.json like this:

"jest": {
  "moduleNameMapper": {
    '@root/(.*)': '/../$1'
  }
}

It doesn't work.

But when I do the same in jest.config.js it works:

module.exports = {
   moduleNameMapper: {
     '@root/(.*)': '/../$1'
   }
}