log

logfn := log.LoggerFunc(func(ctx context.Context, err any) {
	// Here you can handle the panic, e.g., log it or send it to an error tracking service.
	fmt.Printf("graphql: panic occurred: %v", err)
})

opts := []graphql.SchemaOpt{
	graphql.Logger(logfn),
	graphql.UseFieldResolvers(),
}

schemadef := `
		type Query {
			hello: String!
		}
	`
resolver := &struct {
	Hello func() string
}{
	Hello: func() string {
		// Simulate a panic
		panic("something went wrong")
	},
}

schema := graphql.MustParseSchema(schemadef, resolver, opts...)
// Now, when you execute a query that causes a panic, it will be logged using the provided LoggerFunc.
schema.Exec(context.Background(), "{ hello }", "", nil)

Output:

graphql: panic occurred: something went wrong