lib/bulk_loader/loader.rb in bulk_loader-1.2.0 vs lib/bulk_loader/loader.rb in bulk_loader-1.3.0

@@ -11,10 +11,12 @@
       @is_default_proc = @default.is_a?(Proc)
       @block = block
     end
 
     def load(lazy_objs, *args)
+      return if lazy_objs.empty?
+
       mapping_of = get_mapping(lazy_objs)
 
       result_of = call_block(mapping_of, *args)
 
       lazy_objs.each(&:clear)
@@ -30,9 +32,10 @@
       if args.size < @block.arity - 1
         message = "block should take #{@block.arity} parameters, but given #{arity.size + 1}"
         raise ArgumentError, message
       end
       result_of = @block.call(mapping_of.keys, *args)
+
       raise 'block shuold return Hash' unless result_of.is_a?(Hash)
 
       result_of
     end