jest.config.js

// Copied from https://github.com/jaredpalmer/tsdx/blob/master/src/createJestConfig.ts
// Edited testPathIgnorePatterns to add the generated folder.

const generatedFolder = '<rootDir>/test/generated/';

module.exports = {
  transform: {
    '.(ts|tsx)$': require.resolve('ts-jest/dist'),
    '.(js|jsx)$': require.resolve('babel-jest'), // jest's default
  },
  transformIgnorePatterns: ['[/\\\\]node_modules[/\\\\].+\\.(js|jsx)$'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  testPathIgnorePatterns: ['/node_modules/', generatedFolder],
  watchPathIgnorePatterns: [generatedFolder],
  collectCoverageFrom: ['src/**/*.{ts,tsx,js,jsx}'],
  testMatch: ['<rootDir>/**/*.(spec|test).{ts,tsx,js,jsx}'],
  testURL: 'http://localhost',
  watchPlugins: [
    require.resolve('jest-watch-typeahead/filename'),
    require.resolve('jest-watch-typeahead/testname'),
  ],
};