[Webkit-unassigned] [Bug 194687] Web Inspector: Canvas: recordings with a single frame sometimes missing TreeElement

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194687

Devin Rousso <drousso at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |drousso at apple.com

--- Comment #1 from Devin Rousso <drousso at apple.com> ---
AFAICT, it looks like the issue has to do with `Object.prototype.soon`.  Here's the stream of calls:

1. `appendChild` for "Initial State"
2. `soon` `updateVirtualizedElements` for the recording actions `TreeOutline`
3. the timeout from (2) fires, which actually adds the `TreeElement` from (1) to the DOM
4. `appendChild` for "Frame 1"
5. `soon` `updateVirtualizedElements` for the recording actions `TreeOutline`
 => the timeout from (5) never seems to fire

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