jest.config.js

module.exports = {
    roots: ["<rootDir>/src"],
    collectCoverageFrom: ["src/**/*.{js,jsx,ts,tsx}", "!src/**/*.d.ts", "!src/**/index.js"],
    setupFiles: ["react-app-polyfill/jsdom"],
    setupFilesAfterEnv: ["<rootDir>/jest.setup.js"],
    testMatch: ["<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}", "<rootDir>/**/*.{spec,test}.{js,jsx,ts,tsx}"],
    testEnvironment: "jest-environment-jsdom",
    transform: {
        "^.+\\.[t|j]sx?$": "babel-jest",
        "^.+\\.css$": "<rootDir>/config/cssTransform.js",
        "\\.(jpg|jpeg|png|gif|webp|svg|woff|woff2)$": "<rootDir>/config/fileTransform.js",
    },
    resolver: "jest-pnp-resolver",
    transformIgnorePatterns: ["node_modules"],
    modulePaths: ["<rootDir>/src"],
    moduleDirectories: ["node_modules", "src"],
    coverageDirectory: "<rootDir>/coverage",
    coverageReporters: ["lcov"],
    moduleNameMapper: {
        "^.+\\.(css|scss)$": "identity-obj-proxy",
    },
    moduleFileExtensions: ["js", "jsx", "json", "ts", "tsx"],
    watchPlugins: ["jest-watch-typeahead/filename", "jest-watch-typeahead/testname"],
};