fix(common): remove placeholder image listeners once view is removed #61621
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Prior to this commit, attempting to resolve a `ChangeDetectorRef` after views or app have been destroyed would result in an error. In this commit, we clean up listeners once the view is destroyed, before the placeholder loads or fails to load.
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Prior to this commit, attempting to resolve a ChangeDetectorRef after views or app have been destroyed would result in an error.
@arturovt could you please provide a bit more info on this - when does it happen? I'm also wondering it it might be possible to have a test to capture this behavior?
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The most basic showcase: // server.ts
app.get('/cat-blurred.jpg', async (req, res) => {
await new Promise((resolve) => setTimeout(resolve, 4000));
res.sendFile('/cat-blurred-file.jpg');
});<img ngSrc="cat.jpg" width="400" height="200" placeholder="cat-blurred.jpg" />
<button (click)="appRef.destroy()">Destroy</button> |
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Technically, it only removes event listeners when the view is destroyed, which is a common code path. |
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Prior to this commit, attempting to resolve a
ChangeDetectorRefafter views or app have been destroyed would result in an error. In this commit, we clean up listeners once the view is destroyed, before the placeholder loads or fails to load.