jest.config.js

module.exports = {
  roots: ['<rootDir>'],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/?(*.)+(spec|test).+(ts|tsx|js)',
  ],
  transform: {
    '.+\\.(css|styl|less|sass|scss|png|jpg|ttf|woff|woff2|svg)$':
      'jest-transform-stub',
    '^.+\\.(ts|tsx)$': 'ts-jest',
  },
  moduleNameMapper: {
    '^.+.(css|styl|less|sass|scss|png|jpg|ttf|woff|woff2|svg)$':
      'jest-transform-stub',
    '^ts/(.*)$': '<rootDir>/ts/$1',
  },
};