jest.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const { pathsToModuleNameMapper } = require('ts-jest');
// In the following statement, replace `./tsconfig` with the path to your `tsconfig` file
// which contains the path mapping (ie the `compilerOptions.paths` option):
const { compilerOptions } = require('./tsconfig.json');

/** @type {import('ts-jest').JestConfigWithTsJest} */
module.exports = {
  preset: 'ts-jest',
  modulePaths: [compilerOptions.baseUrl],
  moduleNameMapper: {
    '\\.(jpg|ico|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
      '<rootDir>/src/mocks/fileMock.js',
    '\\.(css|less)$': '<rootDir>/src/mocks/fileMock.js',
    ...pathsToModuleNameMapper(compilerOptions.paths),
  },

  setupFilesAfterEnv: ['./src/setupTest.ts', './jsdom-extended.js'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  testEnvironment: './jsdom-extended.js',
  transform: {
    '^.+\\.jsx?$': require.resolve('babel-jest'),
    '^.+\\.tsx?$': 'ts-jest',
  },
  testEnvironmentOptions: {
    customExportConditions: [''],
  },
};