Files
headroom/frontend/node_modules/happy-dom
Santhosh Janardhanan de2d83092e feat: Reinitialize frontend with SvelteKit and TypeScript
- Delete old Vite+Svelte frontend
- Initialize new SvelteKit project with TypeScript
- Configure Tailwind CSS v4 + DaisyUI
- Implement JWT authentication with auto-refresh
- Create login page with form validation (Zod)
- Add protected route guards
- Update Docker configuration for single-stage build
- Add E2E tests with Playwright (6/11 passing)
- Fix Svelte 5 reactivity with $state() runes

Known issues:
- 5 E2E tests failing (timing/async issues)
- Token refresh implementation needs debugging
- Validation error display timing
2026-02-17 16:19:59 -05:00
..

Happy DOM Logo

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 | Getting Started | Setup as Test Environment | GitHub

Works With

Vitest | Bun | Jest | Testing Library | Google LitElement | Vue | React | Svelte | Angular

Module Systems

ESM | CommonJS

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