jest.config.js with ts-jest

jest.config.js

module.exports = {
    "transform": {
        "^.+\\.jsx?$": "<rootDir>/node_modules/babel-jest",
        "^.+\\.tsx?$": "ts-jest"
    },
    "preset": "jest-expo",
    "testRegex": "(/__tests__/.*|/src/.*\\.(test|spec))\\.(jsx?|tsx?)$",
    "moduleFileExtensions": [
      "ts",
      "tsx",
      "js",
      "jsx",
      "json",
      "ios.ts",
      "ios.tsx",
      "android.ts",
      "android.tsx"
    ]
  }