jest.config.js

/** @type {import('ts-jest').JestConfigWithTsJest} */
export default {
  preset: 'ts-jest',
  testEnvironment: 'jsdom',
  roots: ['<rootDir>/src'],
  moduleNameMapper: {
    '^monaco-editor/esm/vs/editor/editor.api$': '<rootDir>/node_modules/monaco-editor/esm/vs/editor/editor.api.js',
    '^monaco-editor$': '<rootDir>/node_modules/monaco-editor/esm/vs/editor/editor.api.js'
  },
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  testMatch: ['**/__tests__/**/*.test.ts', '**/__tests__/**/*.test.tsx'],
  transform: {
    '^.+\\.(ts|tsx)$': [
      'ts-jest',
      {
        tsconfig: 'tsconfig.test.json',
        diagnostics: {
          ignoreCodes: [1343] // Ignore 'import not found' errors for monaco-editor
        }
      }
    ]
  },
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
  collectCoverage: true,
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov'],
  coveragePathIgnorePatterns: [
    '/node_modules/',
    '/dist/',
    '/__tests__/',
    '/stories/'
  ],
  transformIgnorePatterns: [
    'node_modules/(?!(monaco-editor)/)'
  ]
};