jest.config.js

module.exports = {
    'testEnvironment': 'jsdom',
    'resolver': 'jest-pnp-resolver',
    'moduleNameMapper': {
        '\\.(css|less)$': 'identity-obj-proxy'
    },
    'transform': {
        '^.+\\.tsx?$': 'ts-jest'
    },
    'testRegex': '(/__tests__/.*(spec))\\.(tsx?)$',
    'transformIgnorePatterns': [
        '[/\\\\]node_modules[/\\\\].+\\.(js|jsx)$',
        '^.+\\.module\\.(css|less)$'
    ],
    'moduleFileExtensions': [
        'ts',
        'tsx',
        'js',
        'json'
    ],
    'modulePathIgnorePatterns': [
        '<rootDir>/build/',
        '<rootDir>/.yarn-cache/v2/', // ignore yarn cache to make it pass Altus CI
        "<rootDir>/build-ebay/", // ignore build-ebay injected on CI
    ],
    // A set of global variables that need to be available in all test environments
    globals: {
        'ts-jest': {
            diagnostics: false, // hide non-essential info
            isolatedModules: true // skip type checks
        }
    },
    reporters: [
        'default',
        'jest-junit'
    ],
    'collectCoverageFrom': [
        'src/**/*.{ts,tsx}',
        '!**/__tests__/**/*.{ts,tsx}', // exclude test files
        '!src/components/*/index.ts', // exclude components re-exporter file
        '!src/**/*.stories.tsx',
        '!src/**/index.d.ts',
        '!src/config.ts',
        '!**/node_modules/**'
    ],
    'coverageReporters': [
        'json', 'lcov', 'text', 'cobertura'
    ],
    setupFilesAfterEnv: [
        '<rootDir>/config/jest/setup-tests.ts'
    ]
}