jest.config.json

{
    "verbose": false,
    "transform": {
        "^.+\\.tsx?$": [
            "ts-jest",
            {
                "isolatedModules": true,
                "ignoreCoverageForDecorators": true,
                "ignoreCoverageForAllDecorators": true,
                "diagnostics": false
            }
        ],
        "^.+\\.html?$": "jest-html-loader"
    },
    "testRegex": ".*(\\.test|\\.spec)\\.(jsx?|tsx?)",
    "testPathIgnorePatterns": ["build", "dist", "sample"],
    "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json"],
    "moduleNameMapper": {
        "^.+\\.(css|less|sass|scss|styl|jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "jest-transform-stub"
    },
    "roots": ["<rootDir>/src", "<rootDir>/test"],
    "testEnvironment": "jest-environment-jsdom",
    "coveragePathIgnorePatterns": [
        "/node_modules/",
        "package.json",
        "style-mock.js",
        "file-mock.js",
        "wallaby.js",
        "/dist/",
        ".*\\.d\\.ts",
        "/test/"
    ],
    "setupFiles": ["<rootDir>/test/jest.setup.ts"],
    "modulePaths": ["<rootDir>/src", "<rootDir>/node_modules"],
    "coverageReporters": ["json", "html", "text", "lcov", "clover"]
}