Issues with Jest

[matiasgarcia]

We have an old version of an application done with create-react-app. This is using react-scripts 1.1.5.

I am trying to use Jest with react-testing-library.

When running the specs, I have the following issue:

  ● Test suite failed to run

    /home/mgarcia/projects/v3bitex-implementation/node_modules/apex-web/lib/redux/middlewares/authMiddleware.js:1
    ({"Object.<anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import _regeneratorRuntime from 'babel-runtime/regenerator';
                                                                                             ^^^^^^

    SyntaxError: Cannot use import statement outside a module

Fine. It seems to be complaining about ES6 being used in a node module. So I run the script with the following:

npm run test -- --transformIgnorePatterns "node_modules/apex-web"

This seems to work, until I run into:

  ● Test suite failed to run

    /home/mgarcia/projects/v3bitex-implementation/node_modules/@testing-library/dom/node_modules/pretty-format/build/plugins/DOMElement.js: Unexpected token, expected ( (25:10)
        23 |   try {
        24 |     return typeof val.hasAttribute === 'function' && val.hasAttribute('is');
      > 25 |   } catch {
           |           ^
        26 |     return false;
        27 |   }

So it seems I have to exclude another library.

Am I missing something here? Should I manually list every single library that has this issue? Is there a version of react-scripts that automatically handles this without any issues?

I have tried to upgrade to v2, but everything broke miserably.

[stale[bot]]

This issue has been automatically marked as stale because it has not had any recent activity. It will be closed in 5 days if no further activity occurs.

[xyy94813]

got same problem

[danielbakas]

got same problem x2