jest.config.json

{
  "bail": true,
  "collectCoverageFrom": [
    "**/*.{ts,tsx}",
    "!**/*.d.{ts,tsx}",
    "!**/node_modules/**",
    "!**/cjs/**",
    "!**/esm/**"
  ],
  "coverageThreshold": {
    "global": {
      "branches": 100,
      "functions": 100,
      "lines": 100,
      "statements": 100
    }
  },
  "transform": {
    "^.+.tsx?$": [
      "ts-jest",
      {
        "tsconfig": {
          "sourceMap": true
        },
        "useESM": true
      }
    ]
  },
  "extensionsToTreatAsEsm": [".ts", ".tsx"],
  "moduleDirectories": ["node_modules"],
  "moduleNameMapper": {
    "^(\\.{1,2}/.*)\\.js$": "$1"
  },
  "setupFilesAfterEnv": ["<rootDir>/jest.setup.ts"],
  "testEnvironment": "jsdom",
  "testMatch": ["**/*.test.{ts,tsx}"],
  "testEnvironmentOptions": {
    "url": "http://localhost"
  },
  "transformIgnorePatterns": ["/node_modules/.+\\.js$"],
  "verbose": true
}