import '@testing-library/jest-dom' import { cleanup } from '@testing-library/react' // Fix for @headlessui/react compatibility with happy-dom // headlessui tries to override focus properties which may be read-only in happy-dom if (typeof window !== 'undefined') { const ensureWritable = (target: object, prop: string) => { const descriptor = Object.getOwnPropertyDescriptor(target, prop) if (descriptor && !descriptor.writable) { const original = descriptor.value ?? descriptor.get?.call(target) Object.defineProperty(target, prop, { value: typeof original === 'function' ? original : jest.fn(), writable: true, configurable: true, }) } } ensureWritable(window, 'focus') ensureWritable(HTMLElement.prototype, 'focus') } afterEach(() => { cleanup() })