Jest test

Javascript code can be testet with jest.

Debugging in vscode

In vscode jest orta can be used to run tests.

TestPathPattern error while debugging in vscode

When debugging jest tests in vscode the following error can appear:

testPathPattern:

  Option "testPathPattern" was replaced by "--testPathPatterns". "--testPathPatterns" is only available as a command-line option.
  
  Please update your configuration.

  CLI Options Documentation:
  https://jestjs.io/docs/cli

It can be fixed by going to extensions > jest > gear symbol > settings and enable the checkbox at Use Jest30.