jest.config.js

export default {
  preset: 'ts-jest',
  testEnvironment: 'jsdom',
  setupFilesAfterEnv: ['<rootDir>/src/setupTests.ts'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
    '\\.(css|less|scss|sass)$': 'identity-obj-proxy',
  },
  transform: {
    '^.+\\.(ts|tsx)$': ['ts-jest', {
      tsconfig: 'tsconfig.json',
      useESM: true,
    }],
  },
  testMatch: [
    '<rootDir>/src/**/__tests__/**/*.{ts,tsx}',
    '<rootDir>/src/**/*.{test,spec}.{ts,tsx}',
  ],
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/main.tsx',
    '!src/index.css',
    '!src/vite-env.d.ts',
    '!src/**/*.stories.{ts,tsx}',
  ],
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70,
    },
  },
  coverageReporters: ['text', 'lcov', 'html'],
  testPathIgnorePatterns: ['/node_modules/', '/dist/'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
  extensionsToTreatAsEsm: ['.ts', '.tsx'],
}