My current task involves rewriting the $exceptionHandler provider to display a modal dialog with a message and prevent the default event.
Here is what I'm trying to do:
In the project initialization, I am using the .provider method like this:
.provider('$exceptionHandler', function(){
//and here I want access to rootScope for event broadcasting
})
The standard injection method is not effective.
UPDATE: Check out the sandbox at http://jsfiddle.net/STEVER/PYpdM/
If you want to access the $rootScope, you can inject the injector and then lookup for it.
Check out this demo plunkr: http://plnkr.co/edit/0hpTkXx5WkvKN3Wn5EmY?p=preview
myApp.factory('$exceptionHandler',function($injector){
return function(exception, cause){
var rScope = $injector.get('$rootScope');
if(rScope){
rScope.$broadcast('exception',exception, cause);
}
};
})
An Update has been added: It includes the .provider technique as well.
app.provider('$exceptionHandler', function() {
// In the provider function, you cannot inject any
// service or factory. This can only be done at the
// "$get" method.
this.$get = function($injector) {
return function(exception,cause){
var rScope = $injector.get('$rootScope');
rScope.$broadcast('exception',exception, cause);
}
};
});
Here is my unique approach to handling errors in Angular using a decorator and reverting to the default exception handler:
app.config(function ($provide) {
$provide.decorator('$exceptionHandler', function($delegate, $injector) {
return function (exception, cause) {
if (IHaveTheSolutionForThisError) {
var rootScope= $injector.get('$rootScope');
// perform custom error handling here
} else {
$delegate(exception, cause);
}
};
});
});
To resolve this issue, ensure that you include the $rootScope in your injection:
.provider('$exceptionHandler', '$rootScope', function(){
// Utilize the rootScope here for broadcasting events
})
Have you attempted this approach? If so, are you encountering any error messages or can you provide a demo link like jsfiddle/plnkr to investigate further?
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