Export isAirbrakeAvailable function for use in EntityPage

Signed-off-by: Jenah Blitz <jenah.blitz@simplybusiness.com>

plugins/airbrake/src/components/isAirbrakeAvailable.ts

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2020 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Entity } from '@backstage/catalog-model';
+import { AIRBRAKE_PROJECT_ID_ANNOTATION } from './useProjectId';
+
+export const isAirbrakeAvailable = (entity: Entity) =>
+  Boolean(entity.metadata.annotations?.[AIRBRAKE_PROJECT_ID_ANNOTATION]);

plugins/airbrake/src/index.ts

@@ -22,3 +22,4 @@
 
 export { airbrakePlugin } from './plugin';
 export { EntityAirbrakeContent } from './extensions';
+export { isAirbrakeAvailable } from './components/isAirbrakeAvailable';