jest.config.js

module.exports = {
  preset: '@vue/cli-plugin-unit-jest',
  testEnvironment: 'jsdom',
  testEnvironmentOptions: {
    customExportConditions: ['node', 'node-addons'],
  },
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  transform: {
    '^.+\\.vue$': '@vue/vue3-jest',
    '^.+\\.tsx?$': ['ts-jest', {
      tsconfig: {
        jsx: 'preserve',
        esModuleInterop: true,
        allowSyntheticDefaultImports: true,
      },
    }],
  },
  testMatch: [
    '**/tests/unit/**/*.spec.(js|jsx|ts|tsx)',
  ],
  moduleFileExtensions: ['js', 'ts', 'json', 'vue'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  collectCoverage: true,
  collectCoverageFrom: [
    'src/**/*.{js,ts,vue}',
    '!src/main.ts',
    '!src/App.vue',
    '!src/shims-vue.d.ts',
    '!**/node_modules/**',
  ],
};