jest.config.ts

// jest.config.ts

import type { Config } from 'jest';

const config: Config = {
  // Automatically clear mock calls, instances, contexts, and results before every test
  clearMocks: true,

  // Indicates whether the coverage information should be collected while executing the test
  collectCoverage: true,

  // The directory where Jest should output its coverage files
  coverageDirectory: 'coverage',

  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: 'v8',

  // The test environment that will be used for testing
  testEnvironment: 'jest-environment-jsdom',

  // A map from regular expressions to paths to transformers
  transform: {
    '^.+\\.(ts|tsx|js|jsx)$': ['@swc/jest', {}],  // Corrected format for transformer
  },

  // An array of file extensions your modules use
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],

  // The glob patterns Jest uses to detect test files
  testMatch: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[tj]s?(x)'],

  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
  transformIgnorePatterns: ['/node_modules/', '\\.pnp\\.[^\\/]+$'],
};

export default config;