jest.config.js

module.exports = {
  preset: "ts-jest",
  setupFiles: [
    'core-js'
  ],
  roots: [
    '<rootDir>/bin',
    '<rootDir>/src',
    '<rootDir>/tests'
  ],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/?(*.)+(spec|test).+(ts|tsx|js)',
    '**/*-tests.ts'
  ],
  transform: {
    '^.+\\.(ts|tsx)?$': 'ts-jest'
  },
  globals: {
    'ts-jest': {
      tsConfig: 'tsconfig.json',
    }
  }
}