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test(e2e): real-browser pass in Playwright Chromium

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Three end-to-end scenarios against a static+SSR test server: the
zero-build page (import map + native ESM, no bundler), the SSR page
(rendered content in the raw response, live after hydration, no mismatch
warnings), and adoption (an expando on the server-rendered node survives
a real render). Renders are raf-batched so assertions poll.

Real Chromium flushed out three fixes happy-dom couldn't see:
- nanoraf called an extracted requestAnimationFrame bare — Illegal
  invocation under strict-mode ESM (sloppy CJS had masked it); wrapped.
- the counter example only routed '/', so serving it from any subpath
  threw; it now has a wildcard fallback.
- hydration mismatch detection is now whitespace-insensitive (the parser
  reparents whitespace, e.g. text after </body>), and page scripts belong
  in <head> when a view owns <body> — same convention bankai v9 used.

CI gets an e2e job with chromium-headless-shell.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014NgfSjHE11oFpoSnLVKLXd
This commit is contained in:
Bendik Aagaard Lynghaug
2026-09-08 17:57:27 +02:00
co-authored by Claude Fable 5
parent 13155a3469
commit 63b56144a5
8 changed files with 230 additions and 7 deletions
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packages/core/lib/raf.js
+4 -1
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@@ -7,7 +7,10 @@ export default function nanoraf (render, raf) {
equal(typeof render, 'function', 'nanoraf: render should be a function')
ok(typeof raf === 'function' || typeof raf === 'undefined', 'nanoraf: raf should be a function or undefined')
if (!raf) raf = globalThis.requestAnimationFrame
// Wrap rather than alias: calling an extracted requestAnimationFrame
// with no receiver throws 'Illegal invocation' in strict-mode ESM
// (the CJS original survived only thanks to sloppy-mode this-patching).
if (!raf) raf = (cb) => globalThis.requestAnimationFrame(cb)
let redrawScheduled = false
let args = null