jest.config.js

export default {
  preset: "ts-jest",
  testEnvironment: "jsdom",
  setupFilesAfterEnv: ["<rootDir>/src/test/setup.ts"],
  moduleNameMapper: {
    "^@/(.*)$": "<rootDir>/src/$1",
  },
  moduleFileExtensions: ["ts", "tsx", "js", "jsx"],
  transform: {
    "^.+\\.(ts|tsx)$": [
      "ts-jest",
      {
        useESM: true,
      },
    ],
  },
  testMatch: [
    "<rootDir>/src/**/__tests__/**/*.(ts|tsx)",
    "<rootDir>/src/**/*.(test|spec).(ts|tsx)",
  ],
  collectCoverageFrom: [
    "src/**/*.{ts,tsx}",
    "!src/**/*.d.ts",
    "!src/**/*.stories.{ts,tsx}",
    "!src/index.ts",
  ],
  coverageReporters: ["text", "lcov", "html"],
  coverageDirectory: "coverage",
  testPathIgnorePatterns: ["<rootDir>/node_modules/", "<rootDir>/dist/"],
  moduleDirectories: ["node_modules", "<rootDir>/src"],
  extensionsToTreatAsEsm: [".ts", ".tsx"],
};