CanDeactivate Route Guard - Angular (Tutorial #26)
CanDeactivate Route Guard in Angular - Tutorial no. 26
The Angular CanDeactivate guard is called, whenever we navigate away from the route before the current component gets deactivated.
The best use case for CanDeactivate guard is the data entry component.
The user may have filled the data entry and tries to leave that component without saving his work.
The CanDeactivate guard gives us a chance to warn the user that he has not saved his work and give him a chance to cancel the navigation
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