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export default { preset: 'ts-jest/presets/default-esm', extensionsToTreatAsEsm: ['.ts'], moduleNameMapper: { '^(\\.{1,2}/.*)\\.js$': '$1', }, testEnvironment: 'node', roots: ['<rootDir>/src', '<rootDir>/tests'], testMatch: [ '**/__tests__/**/*.(ts|js)', '**/*.(test|spec).(ts|js)' ], transform: { '^.+\\.ts$': ['ts-jest', { useESM: true, tsconfig: { moduleResolution: 'node', allowSyntheticDefaultImports: true } }] }, collectCoverageFrom: [ 'src/**/*.(ts|js)', '!src/**/*.d.ts', '!src/**/*.test.*', '!src/**/*.spec.*' ], coverageDirectory: 'coverage', coverageReporters: ['text', 'lcov', 'html'], setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'], testTimeout: 30000 };