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Disable virtual parent optimization on <head> #827

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Disable virtual parent optimization on <head> #827

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9949db9
Was experiencing an issue where the virtual parent optimization was d…
eoghanmurray Feb 4, 2022
b27789e
There is some sort of bug in fragmentParentMap flushing where if prev…
eoghanmurray Feb 14, 2022
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4 changes: 4 additions & 0 deletions packages/rrweb/src/replay/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1401,7 +1401,11 @@ export class Replayer {
/**
* Why !isIframeINode(parent)? If parent element is an iframe, iframe document can't be appended to virtual parent.
* Why !hasIframeChild? If we move iframe elements from dom to fragment document, we will lose the contentDocument of iframe. So we need to disable the virtual dom optimization if a parent node contains iframe elements.
* Why parent.tagName !== 'HEAD'? moving stylesheets out of the <head> element removes the styles from the document (and they don't get replaced at `parent = virtualParent`
*/
if (((parent as unknown) as HTMLElement).tagName === 'HEAD') {
useVirtualParent = false; // cancel for this and any other additions in same mutation
}
if (
useVirtualParent &&
parentInDocument &&
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