jest.config.js

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'jsdom',
  roots: ['<rootDir>/tests', '<rootDir>/src'],
  testMatch: ['**/__tests__/**/*.ts?(x)', '**/?(*.)+(spec|test).ts?(x)'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  transform: {
    '^.+\\.tsx?$': ['ts-jest', {
      tsconfig: {
        jsx: 'react-jsx',
        esModuleInterop: true,
        allowSyntheticDefaultImports: true,
      },
    }],
  },
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/pages/**',
    '!src/main.tsx',
  ],
  coveragePathIgnorePatterns: [
    '/node_modules/',
    '/dist/',
  ],
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  testTimeout: 10000,
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70,
    },
  },
};