Global Error Handler

[tsiresymila1]

Is it possible to handle error globally, like onError, in QueryClient, or QueryClientProvider to handle all error from any query or any mutation,

[affansk]

@tsiresymila1 You can create Interceptor to handle global error.

[tsiresymila1]

@tsiresymila1 You can create Interceptor to handle global error.

@affansk , Do you mean, i need to make interceptor for request, but if it is not about using HTTP request inside query or mutation function ? So how? .

For now, the way that i found is about creating an InheritedWidget with parameter Function(dynamic error) OnError to wrap QueryClientProvider, and overload QueryBuilder and MutationBuilder to call this function(onError) when error was handled form them.

[affansk]

if you want to catch api error globally to show some toast message, etc. you have to use Interceptor. i dont think this package supports global error handling. onError like react query, graphql. may be in future it can be implemented @KRTirtho

[PetrKubes97]

I've found myself needing this as well, so might add it. Copying the api of https://tanstack.com/query/latest/docs/reference/QueryCache#global-callbacks would be a nice. If anyone wants to create a PR for it, it would be more than welcome. Otherwise, I can find time to add it maybe next week.