jest.config.ts

import { Config } from 'jest';
import { pathsToModuleNameMapper } from 'ts-jest';
import { compilerOptions } from './tsconfig.json';

const config: Config = {
  moduleFileExtensions: ['js', 'json', 'ts'],
  testRegex: '.*\\.spec\\.ts$',
  transform: {
    '^.+\\.ts$': 'ts-jest',
  },
  clearMocks: true,
  collectCoverageFrom: ['**/*.ts'],
  coverageDirectory: 'coverage',
  testEnvironment: 'node',

  setupFilesAfterEnv: ['./.jest/env.ts', './.jest/reflect-metadata.ts'],
  coverageThreshold: {
    global: {
      branches: 75,
      functions: 75,
      lines: 75,
      statements: 75,
    },
  },
  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, {
    prefix: '<rootDir>/',
  }),
};

export default config;