jest.config.js

module.exports = {
    moduleDirectories: ['node_modules', 'src'],
    moduleFileExtensions: ['js', 'ts', 'tsx', 'json', 'node'],
    roots: ['src'],
    testEnvironment: 'jest-environment-jsdom',
    testMatch: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[tj]s?(x)'],
    testPathIgnorePatterns: ['\\\\node_modules\\\\'],
    transform: {
        '^.+\\.(ts|tsx)$': 'ts-jest',
        '.+\\.(css|styl|less|sass|scss)$': 'jest-css-modules-transform',
        '^.+\\.svg$': '<rootDir>/svgTransform.js',
    },
    collectCoverageFrom: ['./src/**/*.{ts,tsx}', '!**/node_modules/**', '!**/vendor/**'],
    moduleNameMapper: {
        '^Styles/(.*)$': ['<rootDir>/src/styles/$1'],
        '^@assets/(.*)$': '<rootDir>/src/images/$1',
        '^@core/(.*)$': '<rootDir>/src/components/core/$1',
    },
    setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
};