Commit 5209c4f4 authored by Rene Saarsoo's avatar Rene Saarsoo
Browse files

Improve MetaTagRegistry#tags algorithm. 

Build a map by position type once, instead of filtering tags list every time.
parent 21a2f441

lib/jsduck/meta_tag_registry.rb

+11 −1
Original line number Diff line number Diff line
@@ -34,7 +34,17 @@ module JsDuck 
    # Returns array of all available tag instances.

    # When position provided, returns only tags in that position

    def tags(position=nil)

      position ? @tags.find_all {|t| t.position == position} : @tags

      return @tags unless position



      unless @position_map

        @position_map = {}

        @tags.each do |t|

          @position_map[t.position] = [] unless @position_map[t.position]

          @position_map[t.position] << t

        end

      end



      @position_map[position] || []

    end



    # Accesses tag by key or name