JSDOM/whatwg-url is slow to parse URLs with long query string.
This repo is an example with 500 MSW handlers.
Results (MacBook Pro 14" M4 Pro, macOS 15.5, Node.js v22.17.1):
-
Vitest
environment: 'node'- JSDOM + MSW short URL: 99.363ms
- JSDOM + MSW long URL: 94.716ms
-
Vitest
environment: 'happy-dom'- JSDOM + MSW short URL: 97.201ms
- JSDOM + MSW long URL: 94.812ms
-
Vitest
environment: 'jsdom'- JSDOM + MSW short URL: 118.238ms
- JSDOM + MSW long URL: 2.331s
-
Vitest
environment: 'jsdom'+ whatwg-url patched- JSDOM + MSW short URL: 102.898ms
- JSDOM + MSW long URL: 130.679ms
