Merge pull request #5245 from sjuxax/sonarqube-ispluginavail

Teach SonarQube `isPluginApplicableToEntity`.

.changeset/chatty-ghosts-lay.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-sonarqube': patch
+---
+
+Export isSonarQubeAvailable.

plugins/sonarqube/src/components/index.ts

@@ -15,3 +15,4 @@
  */
 
 export * from './SonarQubeCard';
+export { isSonarQubeAvailable } from './useProjectKey';

plugins/sonarqube/src/components/useProjectKey.ts

@@ -18,6 +18,9 @@ import { Entity } from '@backstage/catalog-model';
 
 export const SONARQUBE_PROJECT_KEY_ANNOTATION = 'sonarqube.org/project-key';
 
+export const isSonarQubeAvailable = (entity: Entity) =>
+  Boolean(entity.metadata.annotations?.[SONARQUBE_PROJECT_KEY_ANNOTATION]);
+
 export const useProjectKey = (entity: Entity) => {
   return entity?.metadata.annotations?.[SONARQUBE_PROJECT_KEY_ANNOTATION] ?? '';
 };