Jest Typescript with ES Module in node_modules error – Must use import to load ES Module:

So for anyone still hitting this, ESM configuration explained in this section of documentation :

https://kulshekhar.github.io/ts-jest/docs/guides/esm-support

{
  // [...]
  "jest": {
    "extensionsToTreatAsEsm": [".ts"],
    "globals": {
      "ts-jest": {
        "useESM": true
      }
    }
  }
}