Merge pull request #1700 from lukeautry/fix/1699

Fix: @response not handle undefined examples properly

Author: WoH

packages/cli/src/metadataGeneration/methodGenerator.ts

@@ -197,7 +197,11 @@ export class MethodGenerator {
 
     return decorators.map(decorator => {
       const [name, description, example, produces] = getDecoratorValues(decorator, this.current.typeChecker);
-      responseExamplesByName[name] = responseExamplesByName[name] ? [...responseExamplesByName[name], example] : [example];
+
+      if (example !== undefined) {
+        responseExamplesByName[name] = responseExamplesByName[name] ? [...responseExamplesByName[name], example] : [example];
+      }
+
       return {
         description: description || '',
         examples: responseExamplesByName[name] || undefined,

tests/unit/swagger/definitionsGeneration/metadata.spec.ts

@@ -177,6 +177,7 @@ describe('Metadata generation', () => {
       const unauthResponse = method.responses[2];
       expect(unauthResponse.name).to.equal('401');
       expect(unauthResponse.description).to.equal('Unauthorized');
+      expect(unauthResponse.examples).to.be.undefined;
 
       const defaultResponse = method.responses[3];
       expect(defaultResponse.name).to.equal('default');