jest.config.js

/* eslint-disable import/no-extraneous-dependencies */

const { pathsToModuleNameMapper } = require('ts-jest');
const { parse } = require('jsonc-parser');
const fs = require('fs');

// https://kulshekhar.github.io/ts-jest/docs/getting-started/paths-mapping/#jest-config-with-helper
// ctix tsconfig.json file have comment line so need jsonc-parser
const tsconfig = parse(fs.readFileSync('./tsconfig.json').toString());

module.exports = {
  testEnvironment: 'node',
  moduleFileExtensions: ['ts', 'tsx', 'js'],
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest',
  },
  testMatch: ['**/__tests__/*.(ts|tsx)', '**/__test__/*.(ts|tsx)'],
  testPathIgnorePatterns: ['/node_modules/', 'example/', 'dist/'],
  setupFilesAfterEnv: ['./jest.setup.js'],
  testSequencer: './test.spec.js',

  moduleNameMapper: pathsToModuleNameMapper(tsconfig.compilerOptions.paths, {
    prefix: '<rootDir>/',
  }),
};