lib/httpx/callbacks.rb in httpx-0.13.2 vs lib/httpx/callbacks.rb in httpx-0.14.0

@@ -4,21 +4,30 @@
   module Callbacks
     def on(type, &action)
       callbacks(type) << action
     end
 
-    def once(event, &block)
-      on(event) do |*args, &callback|
+    def once(type, &block)
+      on(type) do |*args, &callback|
         block.call(*args, &callback)
         :delete
       end
     end
 
+    def only(type, &block)
+      callbacks(type).clear
+      on(type, &block)
+    end
+
     def emit(type, *args)
-      callbacks(type).delete_if { |pr| pr[*args] == :delete }
+      callbacks(type).delete_if { |pr| :delete == pr[*args] } # rubocop:disable Style/YodaCondition
     end
 
     protected
+
+    def callbacks_for?(type)
+      @callbacks.key?(type) && !@callbacks[type].empty?
+    end
 
     def callbacks(type = nil)
       return @callbacks unless type
 
       @callbacks ||= Hash.new { |h, k| h[k] = [] }