Error handling in angular2/4

Error handling is one of those things no one wants to deal with, well in Angular you can create a global handler and never have to worry again.

Angular defines an ErrorHandler class that will allow us to override it and handle custom logic. Typically, I have my error handlers do things like:

• Show some sort of notification to the user via a dialog or growl-like component (ideally with a emoji)
• Send the error details to the server for logging

Whatever you're doing in this logic, here’s how we go about it…

for more information :
https://medium.com/@amcdnl/global-error-handling-with-angular2-6b992bdfb59c

Happy coding,
Bhaskar