Handle paths without sucess responses

fix yarax#20
fix yarax#15

Author: sibelius

.gitignore

@@ -0,0 +1,30 @@
+.DS_Store
+*.sublime-project
+*.sublime-workspace
+.idea/
+.vscode/
+
+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+*.map
+
+pids
+logs
+results
+
+node_modules
+npm-debug.log
+
+dump.rdb
+bundle.js
+
+dist
+coverage
+.nyc_output
+flow-coverage

lib/swagger.js

@@ -18,6 +18,9 @@ function getGQLTypeNameFromURL(method, url) {
 
 function getSuccessResponse(responses) {
   let resp;
+
+  if (!responses) return null;
+
   Object.keys(responses).some(code => {
     resp = responses[code];
     return code[0] === '2';
@@ -75,4 +78,4 @@ module.exports = {
   getAllEndPoints,
   loadSchema,
   getSchema
-}
+}