fix(ivy): support inserting a viewRef
that is already present (#34052)
When inserting a `viewRef` it is possible to not provide an `index`, which is regarded as appending to the end of the container. If the `viewRef` already exists in the container, then this results in a move. But there was a fault in the logic that computed where to insert the `viewRef` that did not account for the fact that the `viewRef` was already in the container, so the insertion `index` was outside the bounds of the array. Fixes #33924 PR Close #34052
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committed by
Matias Niemelä

parent
b659aa32c9
commit
978b500961
@ -245,14 +245,16 @@ export function createContainerRef(
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}
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this.allocateContainerIfNeeded();
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const lView = (viewRef as ViewRef<any>)._lView !;
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const adjustedIdx = this._adjustIndex(index);
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if (viewAttachedToContainer(lView)) {
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// If view is already attached, fall back to move() so we clean up
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// references appropriately.
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return this.move(viewRef, adjustedIdx);
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// Note that we "shift" -1 because the move will involve inserting
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// one view but also removing one view.
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return this.move(viewRef, this._adjustIndex(index, -1));
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}
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const adjustedIdx = this._adjustIndex(index);
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insertView(lView, this._lContainer, adjustedIdx);
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const beforeNode = getBeforeNodeForView(adjustedIdx, this._lContainer);
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