From 264e204f02c013fb63bb2c9082d42df9906dc960 Mon Sep 17 00:00:00 2001
From: Patrik Oldsberg <poldsberg@gmail.com>
Date: Thu, 25 Feb 2021 17:39:20 +0100
Subject: [PATCH] catalog: make the external createComponent route optional,
 hiding the button if it is not set

---
 .../src/components/CatalogPage/CatalogPage.tsx | 18 ++++++++++--------
 plugins/catalog/src/routes.ts                  |  1 +
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/plugins/catalog/src/components/CatalogPage/CatalogPage.tsx b/plugins/catalog/src/components/CatalogPage/CatalogPage.tsx
index 327bc2e472..9190ae703e 100644
--- a/plugins/catalog/src/components/CatalogPage/CatalogPage.tsx
+++ b/plugins/catalog/src/components/CatalogPage/CatalogPage.tsx
@@ -167,14 +167,16 @@ const CatalogPageContents = () => {
       />
       <Content>
         <ContentHeader title={selectedTab ?? ''}>
-          <Button
-            component={RouterLink}
-            variant="contained"
-            color="primary"
-            to={createComponentLink()}
-          >
-            Create Component
-          </Button>
+          {createComponentLink && (
+            <Button
+              component={RouterLink}
+              variant="contained"
+              color="primary"
+              to={createComponentLink()}
+            >
+              Create Component
+            </Button>
+          )}
           {showAddExampleEntities && (
             <Button
               className={styles.buttonSpacing}
diff --git a/plugins/catalog/src/routes.ts b/plugins/catalog/src/routes.ts
index 40e1784235..2c7fae5002 100644
--- a/plugins/catalog/src/routes.ts
+++ b/plugins/catalog/src/routes.ts
@@ -18,4 +18,5 @@ import { createExternalRouteRef } from '@backstage/core';
 
 export const createComponentRouteRef = createExternalRouteRef({
   id: 'create-component',
+  optional: true,
 });