jest.config.ts

import type {Config} from '@jest/types';

const config: Config.InitialOptions = {
  collectCoverageFrom: ['<rootDir>/src/**/*.{js,jsx,ts,tsx}', '!<rootDir>/src/**/*.d.ts'],
  globalSetup: './global-setup.js',
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'scss'],
  moduleNameMapper: {
    '@main/(.*)': '<rootDir>/src/main/$1',
    '@renderer/(.*)': '<rootDir>/src/renderer/$1',
    '@shared/(.*)': '<rootDir>/src/shared/$1',
    '^.+.module.(css|sass|scss)$': 'identity-obj-proxy',
  },
  modulePathIgnorePatterns: ['<rootDir>/src/renderer/store/local/migrationFiles/'],
  resetMocks: true,
  roots: ['<rootDir>/src'],
  setupFiles: ['react-app-polyfill/jsdom'],
  testEnvironment: 'jsdom',
  testMatch: ['<rootDir>/src/**/*.{spec,test}.{ts,tsx}'],
  testRunner: '<rootDir>/node_modules/jest-circus/runner.js',
  transform: {
    '^(?!.*\\.(js|jsx|mjs|cjs|ts|tsx|css|json)$)': '<rootDir>/config/jest/fileTransform.js',
    '^.+\\.(js|jsx|mjs|cjs|ts|tsx)$': '<rootDir>/node_modules/babel-jest',
    '^.+\\.css$': '<rootDir>/config/jest/cssTransform.js',
  },
  transformIgnorePatterns: [
    '[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs|cjs|ts|tsx)$',
    '^.+\\.module\\.(css|sass|scss)$',
  ],
  watchPlugins: ['jest-watch-typeahead/filename', 'jest-watch-typeahead/testname'],
};

export default config;