jest.config.js

// jest.config.js
// Sync object
module.exports = {
  testEnvironment: "jsdom",
  preset: "jest-expo",
  globals: {
    "ts-jest": {
      tsconfig: {
        jsx: "react"
      }
    }
  },
  transform: {
    "^.+\\.js$": "<rootDir>/node_modules/react-native/jest/preprocessor.js",
    "^.+\\.tsx?$": "ts-jest"
  },
  testMatch: [
    "**/?(*.)+(spec|test).ts?(x)"
  ],
  collectCoverageFrom: [
    "**/*.{ts,tsx}",
    "!**/coverage/**",
    "!**/node_modules/**",
    "!**/babel.config.js",
    "!**/jest.setup.js"
  ],
  moduleFileExtensions: [
    "js",
    "ts",
    "tsx"
  ],
  transformIgnorePatterns: [
    "node_modules/(?!(jest-)?react-native|react-clone-referenced-element|@react-native-community|expo(nent)?|@expo(nent)?/.*|react-navigation|@react-navigation/.*|@unimodules/.*|sentry-expo|native-base)"
  ],
  coverageReporters: [
    "json-summary", 
    "text",
    "lcov"
  ]
};