export default { preset: 'ts-jest', testEnvironment: 'jsdom', roots: ['/src'], testMatch: ['**/__tests__/**/*.test.ts'], moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'], collectCoverageFrom: [ 'src/**/*.{ts,tsx}', '!src/**/*.d.ts', '!src/**/index.ts', ], transform: { '^.+\\.tsx?$': [ 'ts-jest', { useESM: true, }, ], }, extensionsToTreatAsEsm: ['.ts', '.tsx'], moduleNameMapper: { '^(\\.{1,2}/.*)\\.js$': '$1', }, };