jest.config.js

const paths = require("./config/paths");

module.exports = {
  collectCoverageFrom: ["src/**/*.{js,jsx,mjs}"],
  setupFiles: [
    "<rootDir>/node_modules/regenerator-runtime/runtime",
    "<rootDir>/config/polyfills.js",
  ],
  setupTestFrameworkScriptFile: "<rootDir>config/jest/setup.js",
  testMatch: [
    "<rootDir>/src/**/__tests__/**/*.{js,jsx,mjs}",
    "<rootDir>/src/**/?(*.)(spec|test).{js,jsx,mjs}",
  ],
  testEnvironment: "node",
  testURL: "http://localhost",
  transform: {
    "^.+\\.(js|jsx|mjs)$": "<rootDir>/node_modules/babel-jest",
    "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
    "^(?!.*\\.(js|jsx|mjs|css|json)$)":
      "<rootDir>/config/jest/fileTransform.js",
  },
  transformIgnorePatterns: ["[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs)$"],
  moduleDirectories: paths.resolveModules,
  moduleFileExtensions: ["js", "json", "jsx", "node", "mjs"],
  moduleNameMapper: {
    "\\.(css)$": "identity-obj-proxy",
  },
};