package.json

{
  "name": "jestjs",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "dependencies": {
    "@spotify/web-scripts": "^6.2.0",
    "@types/react-router-dom": "^5.1.3",
    "react": "^16.12.0",
    "react-dom": "^16.12.0",
    "react-router-dom": "^5.1.2",
    "react-scripts": "^3.4.1"
  },
  "jest": {
    "setupFilesAfterEnv": [
      "<rootDir>/setupTests.ts"
    ],
    "transform": {
      "^.+\\.tsx?$": "ts-jest"
    },
    "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
    "moduleFileExtensions": [
      "ts",
      "tsx",
      "js",
      "jsx",
      "json",
      "node"
    ]
  },
  "scripts": {
    "test": "jest",
    "start": "react-scripts start"
  },
  "devDependencies": {
    "@testing-library/jest-dom": "^4.2.4",
    "@testing-library/react": "^9.3.2",
    "@testing-library/user-event": "^7.1.2",
    "@types/jest": "^25.2.1",
    "jest": "^25.2.7",
    "ts-jest": "^25.3.1",
    "typescript": "^3.8.3"
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}