feat: support x-summary for response objects

fixes #500

docs/redoc-vendor-extensions.md

@@ -200,6 +200,16 @@ Extends OpenAPI [Parameter Object](http://swagger.io/specification/#parameterObj
 ###### Usage in ReDoc
 `x-examples` are rendered in the JSON tab on the right panel of ReDoc.
 
+### Response Object vendor extensions
+Extneds OpeanAPI [Response Object](https://swagger.io/specification/#responseObject)
+
+#### x-summary
+| Field Name     |	Type	  | Description |
+| :------------- | :------: | :---------- |
+| x-summary      | string   | a short summary of the response |
+
+###### Usage in ReDoc
+If specified, `x-summary` is used as the response button text. Description is rendered under the button.
 
 ### Schema Object vendor extensions
 Extends OpenAPI [Schema Object](http://swagger.io/specification/#schemaObject)

src/components/Responses/Response.tsx

@@ -8,6 +8,7 @@ import { DropdownOrLabel } from '../DropdownOrLabel/DropdownOrLabel';
 import { MediaTypesSwitch } from '../MediaTypeSwitch/MediaTypesSwitch';
 import { Schema } from '../Schema';
 
+import { Markdown } from '../Markdown/Markdown';
 import { ResponseHeaders } from './ResponseHeaders';
 import { ResponseDetailsWrap, StyledResponseTitle } from './styled.elements';
 
@@ -18,11 +19,11 @@ export class ResponseView extends React.Component<{ response: ResponseModel }> {
   };
 
   render() {
-    const { headers, type, description, code, expanded, content } = this.props.response;
+    const { headers, type, summary, description, code, expanded, content } = this.props.response;
     const mimes =
       content === undefined ? [] : content.mediaTypes.filter(mime => mime.schema !== undefined);
 
-    const empty = headers.length === 0 && mimes.length === 0;
+    const empty = headers.length === 0 && mimes.length === 0 && !description;
 
     return (
       <div>
@@ -30,13 +31,14 @@ export class ResponseView extends React.Component<{ response: ResponseModel }> {
           onClick={this.toggle}
           type={type}
           empty={empty}
-          title={description || ''}
+          title={summary || ''}
           code={code}
           opened={expanded}
         />
         {expanded &&
           !empty && (
             <ResponseDetailsWrap>
+              {description && <Markdown source={description} />}
               <ResponseHeaders headers={headers} />
               <MediaTypesSwitch content={content} renderDropdown={this.renderDropdown}>
                 {({ schema }) => {

src/services/models/Response.ts

@@ -13,6 +13,7 @@ export class ResponseModel {
 
   content?: MediaContentModel;
   code: string;
+  summary: string;
   description: string;
   type: string;
   headers: FieldModel[] = [];
@@ -32,7 +33,15 @@ export class ResponseModel {
     if (info.content !== undefined) {
       this.content = new MediaContentModel(parser, info.content, false, options);
     }
-    this.description = info.description || '';
+
+    if (info['x-summary'] !== undefined) {
+      this.summary = info['x-summary'];
+      this.description = info.description || '';
+    } else {
+      this.summary = info.description || '';
+      this.description = '';
+    }
+
     this.type = getStatusCodeType(code, defaultAsError);
 
     const headers = info.headers;