fix(cdk/overlay): avoid unnecessary timeouts when disposing of overlay #23474
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The `OverlayRef.dispose` method is meant to destroy the overlay immediately, without waiting on any events, which is useful for tests or when the overlay has already animated away. The problem is that we use the `detachBackdrop` method which will animate the backdrop away and trigger a `setTimeout` in case the backdrop didn't animate. These changes avoid timeouts by removing the backdrop immediately on destroy. This reduces the number of `flush` calls that we need to be done by the consumer.
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#23474) The `OverlayRef.dispose` method is meant to destroy the overlay immediately, without waiting on any events, which is useful for tests or when the overlay has already animated away. The problem is that we use the `detachBackdrop` method which will animate the backdrop away and trigger a `setTimeout` in case the backdrop didn't animate. These changes avoid timeouts by removing the backdrop immediately on destroy. This reduces the number of `flush` calls that we need to be done by the consumer. (cherry picked from commit 2f655c9)
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The
OverlayRef.disposemethod is meant to destroy the overlay immediately, without waiting on any events, which is useful for tests or when the overlay has already animated away. The problem is that we use thedetachBackdropmethod which will animate the backdrop away and trigger asetTimeoutin case the backdrop didn't animate.These changes avoid timeouts by removing the backdrop immediately on destroy. This reduces the number of
flushcalls that we need to be done by the consumer.