module GraphQL::Relay::Mutation::Instrumentation
@api private
Public Class Methods
instrument(type, field)
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Modify mutation `return_field` resolves by wrapping the returned object in a {Mutation::Result}.
By using an instrumention, we can apply our wrapper last, giving users access to the original resolve function in earlier instrumentation.
# File lib/graphql/relay/mutation/instrumentation.rb, line 12 def self.instrument(type, field) if field.mutation.is_a?(GraphQL::Relay::Mutation) || (field.mutation.is_a?(Class) && field.mutation < GraphQL::Schema::RelayClassicMutation) new_resolve = Mutation::Resolve.new(field.mutation, field.resolve_proc) field.redefine(resolve: new_resolve) else field end end