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Rames JussoandClaude Opus 4.7
af2f727b3f
Three issues in `bundleToSingleHtml` reported via Abhay's LLM-based code-validity
eval against the bundled output. Each is independently small; they share a single
PR because they're all artifacts of the bundler-output shape.
1. Empty `src=""` runtime placeholder (real bug)
`htmlBundler.ts:injectInterceptor` emitted
`<script data-hyperframes-preview-runtime="1" src=""></script>`
when no `HYPERFRAME_RUNTIME_URL` was configured. Empty `src` resolves to the
page URL itself; Chrome flags this as an infinite-fetch hazard. Three other
consumers (studioServer, validate, snapshot) post-process the placeholder to
substitute either a real URL or an inlined body — `bundleToSingleHtml` did
not, so the bundle wasn't actually self-contained despite the function name.
Fix: when no URL is configured, inline the runtime IIFE directly via
`getHyperframeRuntimeScript()`. Otherwise emit `src=…` as before.
2. Bare-semicolon lines between joined JS chunks (cosmetic)
Three sites used `chunks.join("\n;\n")` (body-script coalesce, local JS,
composition scripts) which produced a lone `;` on its own line between
chunks. Valid JS but a code smell. Replace with a `joinJsChunks()` helper
that ensures each chunk ends in `;` and joins on `\n`.
3. Empty `catch (_err) {}` in compositionScoping.ts (lint-noisy)
The `_err` underscore prefix signals "intentionally swallowed" but bundle-time
linters often don't honor that convention. Replaced with `catch { /* ... */ }`
(no binding, explanatory comment) — same behavior, no rule fires.
Tests: 2 new regression guards (runtime-not-empty-src, no-bare-semi) plus
existing tests updated to reflect the new inlined-runtime shape (the previous
"runtime block must not contain getElementById" assertion no longer holds
because the inlined body itself uses getElementById; replaced with a more
specific "author script not merged into runtime tag" check).
Issue #4 from the original report (Unterminated string at line 1111 col 18,
char 65497) was not directly reproducible after applying these fixes — esbuild
parses all 4 inline scripts in the rebundled output cleanly. The unterminated-
string symptom was likely a downstream artifact of the bare-semicolon joining
or the empty-src placeholder confusing the lint tool. If the original symptom
persists on a clean re-run against the fixed bundle, will open a follow-up PR
with a focused repro.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>