jest.config.js

module.exports = {
  transform: {
    '^.+\\.jsx?$': 'babel-jest',
    '.*\\.(vue)$': '<rootDir>/node_modules/jest-vue-preprocessor',
  },
  transformIgnorePatterns: [
    '/node_modules/(?!(@storybook/.*\\.vue$))',
  ],
  moduleFileExtensions: ['vue', 'js', 'jsx', 'json', 'node'],
};