#angular
CanActivate is a route guard in Angular that determines whether a route can be activated. It is an interface that a class can implement to provide logic for controlling access to a specific route before it is rendered.
This route guard mostly used in authorization of the user, It used to determine if the authenticated user has access to certain routes or not
The CanDeactivate route guard in Angular is an interface that allows for control over whether a user can navigate away from a particular route and its associated component. It is a crucial tool for preventing data loss or unintended actions, especially in scenarios involving forms with unsaved changes or ongoing processes.
The CanActivateChild route guard in Angular is a mechanism to control access to the child routes of a parent route. It determines whether the children of a specific route can be activated. This guard is particularly useful when you need to apply authorization or authentication checks to a group of nested routes, rather than individually protecting each child route.
The canMatch route guard in Angular determines whether a route should be matched and considered for activation during the routing process. Unlike canActivate, which checks if a user can activate an already matched route, canMatch runs earlier in the routing lifecycle and decides if the route should even be available for matching against the current URL
In Angular, ResolveFn is a type definition from the @angular/router API that represents a function used as a route resolver. It is a modern approach to pre-loading data for a component before a route activates, ensuring the component has the necessary data available upon initialization
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