Refactor Grape framework code for improved readability and consistency

ruby/ql/lib/codeql/ruby/frameworks/Grape.qll

@@ -115,7 +115,7 @@ class GrapeEndpoint extends DataFlow::CallNode {
  * Grape parameters available via the `params` method within an endpoint.
  */
 class GrapeParamsSource extends Http::Server::RequestInputAccess::Range {
-  GrapeParamsSource() { 
+  GrapeParamsSource() {
     this.asExpr().getExpr() instanceof GrapeParamsCall
   }
 

ruby/ql/test/library-tests/frameworks/grape/Grape.ql

@@ -5,7 +5,7 @@ import codeql.ruby.AST
 
 query predicate grapeAPIClasses(GrapeAPIClass api) { any() }
 
-query predicate grapeEndpoints(GrapeAPIClass api, GrapeEndpoint endpoint, string method, string path) { 
+query predicate grapeEndpoints(GrapeAPIClass api, GrapeEndpoint endpoint, string method, string path) {
   endpoint = api.getAnEndpoint() and
   method = endpoint.getHttpMethod() and
   path = endpoint.getPath()

ruby/ql/test/library-tests/frameworks/grape/app.rb

@@ -9,7 +9,7 @@ class MyAPI < Grape::API
     user_agent = headers['User-Agent']
     "Hello #{name}!"
   end
-  
+
   desc 'Post endpoint with params'
   params do
     requires :message, type: String
@@ -18,36 +18,36 @@ class MyAPI < Grape::API
     msg = params[:message]
     { status: 'received', message: msg }
   end
-  
+
   desc 'Put endpoint accessing request'
   put '/update/:id' do
     id = params[:id]
     body = request.body.read
     { id: id, body: body }
   end
-  
-  desc 'Delete endpoint'  
+
+  desc 'Delete endpoint'
   delete '/items/:id' do
     params[:id]
   end
-  
+
   desc 'Patch endpoint'
   patch '/items/:id' do
     params[:id]
   end
-  
+
   desc 'Head endpoint'
   head '/status' do
     # Just return status
   end
-  
+
   desc 'Options endpoint'
   options '/info' do
     headers['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
   end
 end
 
-class AdminAPI < Grape::API  
+class AdminAPI < Grape::API
   get '/admin' do
     params[:token]
   end