jest.config.js

/*
 * Copyright 2025 by Ideal Labs, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/** @type {import('ts-jest').JestConfigWithTsJest} */
module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src'],
  testMatch: ['**/__tests__/**/*.test.ts', '**/*.test.ts'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  setupFilesAfterEnv: ['<rootDir>/src/__tests__/setup.ts'],
  collectCoverageFrom: [
    'src/services/**/*.ts',
    'src/lib/**/*.ts',
    'src/utils/**/*.ts',
    '!src/**/*.d.ts',
  ],
  coverageDirectory: 'coverage',
  transform: {
    '^.+\\.(ts|tsx|js|jsx)$': [
      'ts-jest',
      {
        tsconfig: 'tsconfig.json',
        useESM: true,
      },
    ],
  },
  // Transform ESM modules in node_modules
  transformIgnorePatterns: ['node_modules/(?!(@ideallabs|@polkadot)/)'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
};