Merge pull request #2 from peterhan92/fix-swagger-errors

fix swagger doc errors

Author: stephenbaldwin

OpenApi.ts

@@ -56,9 +56,12 @@ function buildScalarDefinition(node: any): any {
 
   const scalarDoc: any = {
     type: scalarType,
-    description: node.description,
   };
 
+  if (node.description) {
+    scalarDoc.description = node.description;
+  }
+
   return scalarDoc;
 }
 
@@ -68,11 +71,13 @@ function buildObjectDefinition(node: any): any {
   objectDoc.type = 'object';
   objectDoc.properties = {};
 
-  node.inputFields.forEach((field: any) => {
-    const { type: fieldNode } = field;
+  if (node.inputFields) {
+    node.inputFields.forEach((field: any) => {
+      const { type: fieldNode } = field;
 
-    objectDoc.properties[field.name] = buildDefinition(fieldNode);
-  });
+      objectDoc.properties[field.name] = buildDefinition(fieldNode);
+    });
+  }
 
   return objectDoc;
 }
@@ -92,10 +97,13 @@ function buildDefinition(node: any): any {
 function buildEnumDefinition(node: any): any {
   const enumDoc: any = {
     type: 'string',
-    description: node.description,
     enum: [],
   };
 
+  if (node.description) {
+    enumDoc.description = node.description;
+  }
+
   node.enumValues.forEach((enumValue: any) => {
     enumDoc.enum.push(enumValue.name);
   });

describeRouteVariables.ts

@@ -3,26 +3,30 @@ import Route from './Route';
 
 const TYPE_FRAGMENT = `
   fragment TypeFragment on __Type {
-    description
-    kind
-    name
-    enumValues {
-      name
-      description
-    }
+    ...InputField
     inputFields {
       name
       type {
-        kind
-        name
-        description
-        enumValues {
+        ...InputField
+        inputFields {
           name
-          description
+          type {
+            ...InputField
+          }
         }
       }
     }
   }
+
+  fragment InputField on __Type {
+    kind
+    name
+    description
+    enumValues {
+      name
+      description
+    }
+  }
 `;
 
 function buildQueryForVariable(variableName: string): string {