angular multiple error handlers

Question

In our project we already use a custom error handler using

{provide: ErrorHandler, useExisting: CustomErrorHandler}

This CustomErrorHandler is provided by third party which logs errors to a central server. In addition to this we want to implement our own central error handling to display errors on screen.

Is there a way to have multiple error handlers in angular?

Decorate CustomErrorHandler with your logic by overriding CustomErrorHandler — yurzui
– yurzui, Commented Apr 12, 2017 at 8:57

Bartando · Accepted Answer · 2020-10-21 04:15:23Z

9

Thank you @yurzui, for anyone loooking for code here are the snippets that I used:

AppModule.ts:

{provider: ErrorHandler, useClass: LocalErrorHandler}

LocalErrorHandler.ts:

@Injectable()
export class LocalErrorHandler extends CustomErrorHandler
{
   handleError(error: any)
   {
       //Local custom handling
       super.handleError(error);
   }
}

edited Oct 21, 2020 at 4:15

Bartando

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answered Apr 12, 2017 at 15:15

TheHawk

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2 Comments

HungCung Over a year ago

But it does not look easy to plug and play like interceptor. Do you have other implement ? @yurzui

Bartando Over a year ago

@HungCung what do you mean by not easy to plug and play like interceptor? You just create a class and instead of useExisting, you will write useClass... this IS an interceptor

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