AngularJS - Disable $exceptionHandler

Question

I don't want $exceptionHandler to handle any exceptions - I want them to propegate up to the browser (primarily for IE testing in Visual Studio).

I'd tried overriding $exceptionHandler and simply rethrowing the error, which gives me the 10 iterations of $digest error (which makes sense).

How do I shut it off completely?

EDIT

Unfortunately rethrowing the error doesn't solve the issue - IE only knows the error from the rethrow and not from source.

Was your overridden $exceptionHandler similar to the one provided in ngMock? — Problematic
– Problematic, Commented Sep 12, 2013 at 21:30

Roy Truelove · Accepted Answer · 2013-12-09 18:02:44Z

8

After some research, this isn't possible. Angular catches their errors and then calls the exception handler explicitly - in many cases it does not just let the error propagate.

answered Dec 9, 2013 at 18:02

Roy Truelove

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1 Comment

hughes Over a year ago

This is one of the most frustrating parts of angularjs. I can't understand why it's even part of the library.

mems · Accepted Answer · 2014-01-18 22:50:05Z

2

According to the documentation, it's possible:

angular.module('exceptionOverride', []).factory('$exceptionHandler', function () {
    return function (exception, cause) {
        exception.message += ' (caused by "' + cause + '")';
        throw exception;
    };
});

This example will override the normal action of $exceptionHandler, to make angular exceptions fail hard when they happen, instead of just logging to the console.

answered Jan 18, 2014 at 22:50

mems

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1 Comment

Roy Truelove Over a year ago

Thanks mems - the problem with this is that it still code capture the error and rethrows it from the override. When that happens you loose the original stack trace.

ovmjm · Accepted Answer · 2013-09-12 21:56:27Z

1

Try throwing the exception inside a window.setTimeout (not $timeout) delayed execution, this would allow you to escape the $digest black hole. But not sure it will preserve the stack-trace in IE.

edited Sep 12, 2013 at 21:56

answered Sep 12, 2013 at 21:41

ovmjm

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