From fc26ffb78f05209e79d50b4775b299bafd121a7e Mon Sep 17 00:00:00 2001
From: Kyle Shockey <shockey@users.noreply.github.com>
Date: Tue, 27 Jun 2017 21:40:00 -0700
Subject: [PATCH] Hide Callbacks operation tab if there are no callbacks

---
 src/core/plugins/oas3/wrap-components/parameters.jsx | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/core/plugins/oas3/wrap-components/parameters.jsx b/src/core/plugins/oas3/wrap-components/parameters.jsx
index 50b33b56..46831422 100644
--- a/src/core/plugins/oas3/wrap-components/parameters.jsx
+++ b/src/core/plugins/oas3/wrap-components/parameters.jsx
@@ -107,9 +107,13 @@ class Parameters extends Component {
             <div onClick={() => this.toggleTab("parameters")} className={`tab-item ${this.state.parametersVisible && "active"}`}>
               <h4 className="opblock-title"><span>Parameters</span></h4>
             </div>
-            <div onClick={() => this.toggleTab("callbacks")} className={`tab-item ${this.state.callbackVisible && "active"}`}>
-              <h4 className="opblock-title"><span>Callbacks</span></h4>
-            </div>
+            { operation.get("callbacks") ?
+              (
+                <div onClick={() => this.toggleTab("callbacks")} className={`tab-item ${this.state.callbackVisible && "active"}`}>
+                  <h4 className="opblock-title"><span>Callbacks</span></h4>
+                </div>
+              ) : null
+            }
           </div>
             { allowTryItOut ? (
               <TryItOutButton enabled={ tryItOutEnabled } onCancelClick={ onCancelClick } onTryoutClick={ onTryoutClick } />