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fix: handle linkedom fragment parsing in shared inlineSubCompositions

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When linkedom parses a fragment like `<div data-composition-id="X">...
</div>`, the div becomes the documentElement and body is empty.
contentDoc.body?.innerHTML returns "" losing the composition wrapper.

Fall back to contentDoc.documentElement?.outerHTML when body content
is empty, preserving composition IDs for sub-compositions where the
host data-composition-id differs from the inner root's.

Fixes style-1-prod regression (captions sub-comp has host id
"captions-comp" but inner root id "captions").

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Miguel Ángel
2026-05-17 16:51:31 +00:00
co-authored by Claude Sonnet 4.6
parent 581e7a7eda
commit 754b0edc05
1 changed files with 5 additions and 1 deletions
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packages/core/src/compiler/inlineSubCompositions.ts
+5 -1
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@@ -308,7 +308,11 @@ export function inlineSubCompositions(
}
} else {
for (const child of [...contentDoc.querySelectorAll("style, script")]) child.remove();
hostEl.innerHTML = contentDoc.body?.innerHTML || "";
// linkedom fragment parsing: when content is `<div data-composition-id="X">...</div>`,
// the div becomes documentElement and body is empty. Fall back to documentElement.outerHTML
// to preserve the composition wrapper.
const bodyHtml = contentDoc.body?.innerHTML || "";
hostEl.innerHTML = bodyHtml || contentDoc.documentElement?.outerHTML || "";
}
hostEl.setAttribute("data-composition-file", src);