Take a look at the plunker here.
My understanding is that $scope.$watch('$destroy') should be invoked when $scope is on the verge of being destroyed.
In the provided example, it seems that upon entering a state, the $scope.$watch('$destroy') gets triggered immediately. Any insights on why this occurs?
Rather than:
$scope.$watch('$destroy', ...
It is recommended to utilize
$scope.$on('$destroy', ...
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