From 0f74a2f4790f42bcade9125f38410651aa8733cd Mon Sep 17 00:00:00 2001
From: Andre Wanlin <awanlin@rapidrtc.com>
Date: Sat, 25 Sep 2021 10:11:42 -0500
Subject: [PATCH] Add check for TechDocs annotation on entity

Signed-off-by: Andre Wanlin <awanlin@rapidrtc.com>
---
 plugins/techdocs/src/Router.tsx | 3 +++
 plugins/techdocs/src/index.ts   | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/techdocs/src/Router.tsx b/plugins/techdocs/src/Router.tsx
index 45b0dc756c..102cda979a 100644
--- a/plugins/techdocs/src/Router.tsx
+++ b/plugins/techdocs/src/Router.tsx
@@ -25,6 +25,9 @@ import { MissingAnnotationEmptyState } from '@backstage/core-components';
 
 const TECHDOCS_ANNOTATION = 'backstage.io/techdocs-ref';
 
+export const isTechDocsAvailable = (entity: Entity) =>
+  Boolean(entity?.metadata?.annotations?.[TECHDOCS_ANNOTATION]);
+
 export const Router = () => {
   return (
     <Routes>
diff --git a/plugins/techdocs/src/index.ts b/plugins/techdocs/src/index.ts
index ba24f1c39d..50e25c5582 100644
--- a/plugins/techdocs/src/index.ts
+++ b/plugins/techdocs/src/index.ts
@@ -44,4 +44,4 @@ export {
   TechDocsReaderPage,
 } from './plugin';
 export * from './reader';
-export { EmbeddedDocsRouter, Router } from './Router';
+export { EmbeddedDocsRouter, Router, isTechDocsAvailable } from './Router';