Fixes #809: supports UTF8 route names.

Author: LeFnord

.rubocop.yml

@@ -73,6 +73,9 @@ Naming:
 Style/AccessorGrouping:
   Enabled: true
 
+Style/AsciiComments:
+  Enabled: false
+
 Style/ArrayCoercion:
   Enabled: true
 

lib/grape-swagger.rb

@@ -29,7 +29,10 @@ def combine_routes(app, doc_klass)
       route_match = route_path.split(/^.*?#{route.prefix}/).last
       next unless route_match
 
-      route_match = route_match.match('\/([\w|-]*?)[\.\/\(]') || route_match.match('\/([\w|-]*)$')
+      # want to match emojis … ;)
+      # route_match = route_match
+      #   .match('\/([\p{Alnum}|\p{Emoji}|\-|\_]*?)[\.\/\(]') || route_match.match('\/([\p{Alpha}|\p{Emoji}|\-|\_]*)$')
+      route_match = route_match.match('\/([\p{Alnum}|\-|\_]*?)[\.\/\(]') || route_match.match('\/([\p{Alpha}|\-|\_]*)$')
       next unless route_match
 
       resource = route_match.captures.first
@@ -85,7 +88,7 @@ def extract_parent_route(name)
     route_name = name.match(%r{^/?([^/]*).*$})[1]
     return route_name unless route_name.include? ':'
 
-    matches = name.match(/\/[a-z]+/)
+    matches = name.match(/\/\p{Alpha}+/)
     matches.nil? ? route_name : matches[0].delete('/')
   end
 

spec/issues/809_utf8_routes_spec.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe '#605 root route documentation' do
+  let(:app) do
+    Class.new(Grape::API) do
+      resource :grunnbeløp do
+        desc 'returnerer grunnbeløp'
+        get do
+          { message: 'hello world' }
+        end
+      end
+
+      resource :εσόδων do
+        desc 'εσόδων'
+        get do
+          { message: 'hello world' }
+        end
+      end
+
+      resource :数 do
+        desc '数'
+        get do
+          { message: 'hello world' }
+        end
+      end
+
+      resource :amount do
+        desc 'returns amount'
+        get do
+          { message: 'hello world' }
+        end
+      end
+
+      resource :👍 do
+        desc 'returns 👍'
+        get do
+          { message: 'hello world' }
+        end
+      end
+
+      add_swagger_documentation
+    end
+  end
+
+  subject do
+    get '/swagger_doc'
+    JSON.parse(last_response.body)['paths']
+  end
+
+  specify do
+    expect(subject.keys).to match_array ['/grunnbeløp', '/amount', '/εσόδων', '/数']
+  end
+end