jest.config.ts

import { JestConfigWithTsJest } from 'ts-jest';

const config: JestConfigWithTsJest = {
  clearMocks: false,
  collectCoverage: false,
  coverageDirectory: 'coverage',
  coveragePathIgnorePatterns: ['/node_modules/', '/dist/', '/src/proto'],
  coverageProvider: 'v8',
  preset: 'ts-jest/presets/default-esm', // or other ESM presets
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    // '^.+\\.[tj]sx?$' to process js/ts with `ts-jest`
    // '^.+\\.m?[tj]sx?$' to process js/ts/mjs/mts with `ts-jest`
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
      },
    ],
  },
  testEnvironment: 'node',
  testMatch: ['**/*.test.ts'],
  testTimeout: 100000,
};

export default config;