chore: export typegurad from common instead

Signed-off-by: blam <ben@blam.sh>

plugins/scaffolder-common/src/TemplateEntityV1beta3.ts

@@ -86,3 +86,13 @@ export const templateEntityV1beta3Validator: KindValidator = {
     return validator(data) === data;
   },
 };
+
+/**
+ * Typeguard for filtering entities and ensuring v1beta3 entities
+ * @public
+ */
+export const isTemplateEntityV1beta3 = (
+  entity: Entity,
+): entity is TemplateEntityV1beta3 =>
+  entity.apiVersion === 'scaffolder.backstage.io/v1beta3' &&
+  entity.kind === 'Template';

plugins/scaffolder-common/src/index.ts

@@ -21,5 +21,8 @@
  */
 
 export * from './TaskSpec';
-export { templateEntityV1beta3Validator } from './TemplateEntityV1beta3';
+export {
+  templateEntityV1beta3Validator,
+  isTemplateEntityV1beta3,
+} from './TemplateEntityV1beta3';
 export type { TemplateEntityV1beta3 } from './TemplateEntityV1beta3';