generator-chek-ms/generators/app/templates/jest.config.js

boilerplate de creación de microservicios en Chek

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

/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
module.exports = {
  rootDir: '.',
  moduleFileExtensions: ['js', 'json', 'ts'],
  testRegex: '.*\\.spec\\.ts$',
  transform: {
    '^.+\\.ts$': 'ts-jest',
  },
  collectCoverageFrom: ['**/*.(service|controller|handler|util).ts'],
  coverageDirectory: './coverage',
  setupFilesAfterEnv: ['<rootDir>/test/env.setup.js'],
  testEnvironment: 'node',
  // Helps to use aliases in tsconfig (@module/*)
  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, {
    prefix: '<rootDir>',
  }),
};