lib/json/ld/extensions.rb in json-ld-0.3.2 vs lib/json/ld/extensions.rb in json-ld-0.9.0

@@ -60,9 +60,27 @@
       end
     end
   end
 end
 
+class Array
+  # Sort values, but impose special keyword ordering
+  # @yield a, b
+  # @yieldparam [Object] a
+  # @yieldparam [Object] b
+  # @yieldreturn [Integer]
+  # @return [Array]
+  KW_ORDER = %(@id @value @type @language @vocab @container @graph @list @set)
+
+  def kw_sort
+    self.sort do |a, b|
+      a = "@#{KW_ORDER.index(a)}" if KW_ORDER.include?(a)
+      b = "@#{KW_ORDER.index(b)}" if KW_ORDER.include?(b)
+      a <=> b
+    end
+  end
+end
+
 if RUBY_VERSION < "1.9"
   class InsertOrderPreservingHash < Hash
     include Enumerable
 
     def initialize(*args, &block)
\ No newline at end of file