jest.config.js

/** @type {import('jest').Config} */
const config = {
  roots: ["<rootDir>/src"],
  collectCoverageFrom: ["src/**/*.{js,jsx,ts,tsx}", "!src/**/*.d.ts"],
  setupFiles: ["react-app-polyfill/jsdom"],
  setupFilesAfterEnv: ["<rootDir>/src/setupTests.ts"],
  testMatch: ["<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}", "<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}"],
  testEnvironment: "jsdom",
  testRunner: "<rootDir>/node_modules/jest-circus/runner.js",
  transform: {
    "^.+\\.(js|jsx|mjs|cjs|ts|tsx)$": "<rootDir>/config/jest/babelTransform.js",
    "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
    "^(?!.*\\.(js|jsx|mjs|cjs|ts|tsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js",
  },
  transformIgnorePatterns: [
    "node_modules/(?!@victronenergy/mfd-modules|lodash-es)",
  ],
  modulePaths: ["./src"],
  moduleNameMapper: {
    "^react-native$": "react-native-web",
    "^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy",
  },
  moduleFileExtensions: ["web.js", "js", "web.ts", "ts", "web.tsx", "tsx", "json", "web.jsx", "jsx", "node"],
  watchPlugins: ["jest-watch-typeahead/filename", "jest-watch-typeahead/testname"],
  resetMocks: true,
}

module.exports = config