jest.config.esm.mjs

import baseConfig from './jest.config.base.mjs'

export default {
  ...baseConfig,

  // ESM transformation config
  // https://kulshekhar.github.io/ts-jest/docs/guides/esm-support#examples
  extensionsToTreatAsEsm: ['.ts'],
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true
      }
    ]
  }
}