jest.config.json

{
  "moduleFileExtensions": ["js", "json", "ts", "tsx"],
  "globals": {
    "ts-jest": {
      "tsconfig": "tsconfig.jest.json"
    }
  },
  "testRegex": [".*\\.spec\\.ts$", ".*\\.spec\\.tsx$"],
  "testPathIgnorePatterns": ["/node_modules/", "/dist/"],
  "transform": {
    "^.+\\.ts$": "ts-jest",
    "^.+\\.(ts|tsx)?$": "ts-jest",
    "^.+\\.(js|jsx)$": "babel-jest"
  },
  "collectCoverageFrom": [
    "packages/**/*.ts",
    "!packages/**/*.d.ts",
    "!packages/**/*.interface.ts",
    "!packages/**/*.e2e-spec.ts",
    "!packages/react-samples/src/**/main.ts",
    "!**/node_modules/**",
    "!**/__stubs__/**",
    "!**/__fixture__/**"
  ],
  "coverageDirectory": "coverage",
  "coverageReporters": ["html", "text", "text-summary", "cobertura"],
  "testEnvironment": "node",
  "preset": "ts-jest"
}