jest.config.js

module.exports = {
  roots: ['<rootDir>/src'],
  preset: 'ts-jest',
  testMatch: ['**/?(*.)+(spec|test).ts?(x)'],
  transformIgnorePatterns: ['[/\\\\]node_modules[/\\\\].+\\.(js|jsx)$'],
  moduleFileExtensions: ['ts', 'tsx', 'js'],
};