src/__tests__/__mocks__/ts-morph.js

module.exports = {
  Project: jest.fn().mockImplementation(() => ({
    createSourceFile: jest.fn().mockReturnValue({
      getDescendantsOfKind: jest.fn().mockReturnValue([]),
      save: jest.fn(),
    }),
  })),
  SyntaxKind: {
    ClassDeclaration: 271,
  },
}