jest.config.json

{
    "testEnvironment": "jsdom",
    "collectCoverageFrom": [
          "app/*.{jsx,tsx}"
        ],
    "coverageReporters": [
        "lcov",
        "text"
    ],
    "setupFiles": [
        "<rootDir>/tests/config/polyfills.js",
        "<rootDir>/tests/config/enzyme.js"
    ],    
    "testMatch": [
        "<rootDir>/tests/**/?(*.)(spec|test).tsx",
        "<rootDir>/app/templates/**/?(*.)(spec|test).tsx"
    ],
    "testResultsProcessor": "./node_modules/jest-nunit-reporter",
    "testURL": "http://localhost",
    "transform": {
        "^.+\\.tsx?$": "<rootDir>/tests/config/typescriptTransform.js",
        ".+\\.(css|less||png||jpg)$": "./tests/config/styleMock.js"
    },
    "transformIgnorePatterns": [
        "[/\\\\]node_modules[/\\\\].+\\.(js|jsx|ts|tsx|less|css)$"
    ],
    "moduleFileExtensions": [
        "ts",
        "js",
        "tsx",
        "jsx",
        "json",
        "node"
    ],
    "globals": {
        "ts-jest": {
        "tsConfigFile": "tsconfig.json"
        }
    }
}