use parallel

lib/licensee.rb

@@ -1,6 +1,7 @@
 require 'fuzzystringmatch'
 require 'yaml'
 require 'diffy'
+require 'parallel'
 
 require_relative "licensee/license"
 require_relative "licensee/licenses"

lib/licensee/license_file.rb

@@ -59,8 +59,9 @@ class Licensee
 
     def matches
       @matches ||= begin
-        licenses_sorted.each { |l| l.match = distance(l) }
-        licenses_sorted.sort_by { |l| l.match }.select { |l| l.match > 0}.reverse
+        results = Parallel.map_with_index(potential_licenses) { |l,index| [distance(l), index] }
+        results.each { |distance,index| potential_licenses[index].match = distance }
+        potential_licenses.sort_by { |l| l.match }.reverse
       end
     end
 

licensee.gemspec

@@ -18,6 +18,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency('levenshtein-ffi', '~> 1.1')
   gem.add_dependency('fuzzy-string-match', '~> 0.9')
   gem.add_dependency('diffy', '~> 3.0')
+  gem.add_dependency('parallel')
   gem.add_development_dependency('pry', '~> 0.9')
   gem.add_development_dependency('shoulda', '~> 3.5')
   gem.add_development_dependency('rake', '~> 10.3')