jest.config.js

//const { pathsToModuleNameMapper } = require('ts-jest/utils');
//const { compilerOptions } = require('./tsconfig.json');

// In the following statement, replace `./tsconfig` with the path to your `tsconfig` file
// which contains the path mapping (ie the `compilerOptions.paths` option):

module.exports = {
    preset: 'ts-jest/presets/js-with-ts',
    testEnvironment: 'node',
    transform: {
        '^.+\\.tsx?$': 'ts-jest',
    },
    testRegex: '(/__test__/.*|/tests/.*|(\\.|/)(test|spec))\\.[tj]sx?$',
    testPathIgnorePatterns: ['/node_modules/', '/dist/', '/tests/helpers/'],
    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],

    coverageDirectory: './coverage',
    coverageReporters: ['html', 'text'],
    collectCoverageFrom: ['src/**/*.{ts,js}', '!**/node_modules/**', '!**/vendor/**', '!**/dist/**', '!**/tests/**'],

    //moduleNameMapper: pathsToModuleNameMapper({'@/*': 'src'} /*, { prefix: '<rootDir>/' } */ ),
};