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revert to document.write again; cesiumjs doesn't like srcdoc, period. #258

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Merged
ochafik merged 2 commits into from
Jan 13, 2026
+11 −3
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revert to document.write again; cesiumjs doesn't like srcdoc, period. #258

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8b7f5c3
revert to document.write again; cesiumjs doesn't like srcdoc, period.
ochafik Jan 13, 2026
1f9d071
Update server.ts
ochafik Jan 13, 2026
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14 changes: 11 additions & 3 deletions examples/basic-host/src/sandbox.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -95,9 +95,17 @@ window.addEventListener("message", async (event) => {
inner.setAttribute("allow", allowAttribute);
}
if (typeof html === "string") {
inner.srcdoc = html;
} else {
console.error("[Sandbox] Missing or invalid HTML content in sandbox-resource-ready notification.");
// Use document.write instead of srcdoc (which the CesiumJS Map won't work with)
const doc = inner.contentDocument || inner.contentWindow?.document;
if (doc) {
doc.open();
doc.write(html);
doc.close();
} else {
// Fallback to srcdoc if document is not accessible
console.warn("[Sandbox] document.write not available, falling back to srcdoc");
inner.srcdoc = html;
}
}
} else {
if (inner && inner.contentWindow) {
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