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@angular/corecode
ErrorHandler
Class
stable
Provides a hook for centralized exception handling.
Unhandled errors in AngularOn this page
API
class ErrorHandler { handleError(error: any): void; optional onViewError(error: Error, details: ErrorDetails): void;}
onViewError
voidCallback to handle errors happening during the rendering of a component/directive view.
@paramerror
ErrorThe error that was thrown.
@returns
voidDescription
Provides a hook for centralized exception handling.
The default implementation of ErrorHandler prints error messages to the console. To
intercept error handling, write a custom exception handler that replaces this default as
appropriate for your app.
Usage Notes
Example
class MyErrorHandler implements ErrorHandler {
handleError(error) {
// do something with the exception
}
}
// Provide in standalone apps
bootstrapApplication(AppComponent, {
providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]
})
// Provide in module-based apps
@NgModule({
providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]
})
class MyModule {}Jump to details