Dev: Catch event listeners

src/Sources/Sources.es6

@@ -148,6 +148,10 @@ export default class Sources extends Tool
     }
     _renderHttp()
     {
+        var val = this._data.val;
+
+        val.hasResTxt = (val.resTxt.trim() !== '');
+
         this._$el.html(this._httpTpl(this._data.val));
     }
     _renderCode()

src/Sources/http.hbs

@@ -13,5 +13,7 @@
             </tbody>
         </table>
     </div>
-    <pre class="eruda-response">{{resTxt}}</pre>
+    {{#if hasResTxt}}
+        <pre class="eruda-response">{{resTxt}}</pre>
+    {{/if}}
 </div>