jest.config.json

{
  "rootDir": "src",
  "moduleFileExtensions": [
    "js",
    "json",
    "ts"
  ],
  "collectCoverage": true,
  "collectCoverageFrom": [
    "./**/*.{ts,js}",
    "!./**/tests/**/*",
    "!./**/mocks/**/*",
    "!./**/__tests__/**/*",
    "!./**/__mocks__/**/*",
    "!./**/test/**/*",
    "!./**/exports.*"
  ],
  "coverageReporters": [
    "text",
    "text-summary"
  ],
  "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(js|ts)x?$",
  "testPathIgnorePatterns": [],
  "transform": {
    "^.+\\.(ts)?$": "ts-jest"
  }
}