codigo0/node_modules/happy-dom/README.md
planetazuzu 5d7a6500fe refactor: Fase 1 - Clean Architecture, refactorización modular y eliminación de duplicidades
-  Ticket 1.1: Estructura Clean Architecture en backend
-  Ticket 1.2: Schemas Zod compartidos
-  Ticket 1.3: Refactorización drugs.ts (1362 → 8 archivos modulares)
-  Ticket 1.4: Refactorización procedures.ts (3583 → 6 archivos modulares)
-  Ticket 1.5: Eliminación de duplicidades (~50 líneas)

Cambios principales:
- Creada estructura Clean Architecture en backend/src/
- Schemas Zod compartidos en backend/src/shared/schemas/
- Refactorización modular de drugs y procedures
- Utilidades genéricas en src/utils/ (filter, validation)
- Eliminados scripts obsoletos y documentación antigua
- Corregidos errores: QueryClient, import test-error-handling
- Build verificado y funcionando correctamente
2026-01-25 21:09:47 +01:00

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Markdown

![Happy DOM Logo](https://github.com/capricorn86/happy-dom/raw/master/docs/happy-dom-logo.jpg)
A JavaScript implementation of a web browser without its graphical user interface.
## DOM Features
- Custom Elements (Web Components)
- Declarative Shadow DOM
- Mutation Observer
- Tree Walker
- Fetch API
And much more..
## Documentation
[Documentation](https://github.com/capricorn86/happy-dom/wiki/) | [Getting Started](https://github.com/capricorn86/happy-dom/wiki/Getting-started) | [Setup as Test Environment](https://github.com/capricorn86/happy-dom/wiki/Setup-as-Test-Environment) | [GitHub](https://github.com/capricorn86/happy-dom/)
## Works With
[Vitest](https://vitest.dev/) | [Bun](https://bun.sh) | [Jest](https://jestjs.io/) | [Testing Library](https://testing-library.com/) | [Google LitElement](https://lit.dev/) | [Vue](https://vuejs.org/) | [React](https://reactjs.org) | [Svelte](https://svelte.dev/) | [Angular](https://angular.dev/)
## Module Systems
[ESM](https://nodejs.org/api/esm.html#introduction) | [CommonJS](https://nodejs.org/api/modules.html#modules-commonjs-modules)
## Performance
| Operation | JSDOM | Happy DOM |
| ------------------------------------ | ------- | --------- |
| Import / Require | 333 ms | 45 ms |
| Parse HTML | 256 ms | 26 ms |
| Serialize HTML | 65 ms | 8 ms |
| Render custom element | 214 ms | 19 ms |
| querySelectorAll('tagname') | 4.9 ms | 0.7 ms |
| querySelectorAll(':nth-child(2n+1)') | 10.4 ms | 3.8 ms |
See how the test was done [here](https://github.com/capricorn86/happy-dom-performance-test)