jest.config.js

/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
module.exports = {
  setupFiles: ['dotenv/config'],
  preset: 'ts-jest',
  testEnvironment: 'jsdom', //initial was testEnvironment: 'node', using jsdom
  rootDir: '.',
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/?(*.)+(spec|test).+(ts|tsx|js)',
  ],
  transform: {
    '^.+\\.(ts|tsx)?$': 'ts-jest',
  },
  moduleDirectories: ['node_modules', 'src'],
  moduleNameMapper: {
    '^@popup(.*)$': '<rootDir>/src/popup/$1',
    '^@background(.*)$': '<rootDir>/src/background/$1',
    '^@interfaces(.*)$': '<rootDir>/src/interfaces/$1',
    '^@reference-data(.*)$': '<rootDir>/src/reference-data/$1',
    '^@api(.*)$': '<rootDir>/src/api/$1',
    '\\.(css|less|scss)$': 'identity-obj-proxy',
    '@ledgerhq/devices/hid-framing': '@ledgerhq/devices/lib/hid-framing',
  },
  modulePaths: ['<rootDir>'],
  collectCoverageFrom: ['<rootDir>/**/*.{ts, tsx}'],
  collectCoverage: false,
  modulePathIgnorePatterns: [
    '<rootDir>/src/__tests__/utils-for-testing/',
    'mocks',
    'othercases',
  ],
  //until here
  //working configuration until here E2E/utils/actions tests.

  //added new config for background section
  setupFilesAfterEnv: ['./jest.setup.js'], //only for jest-chrome
  //end added
};