From 0a9ea3cbe070633ae1d5c685a756cd15c92fd68f Mon Sep 17 00:00:00 2001
From: Ben Grynhaus <bengr@microsoft.com>
Date: Thu, 16 Aug 2018 20:19:49 +0300
Subject: [PATCH] fix build issue due to TS bug

---
 lib/repository/readonly-repository.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/repository/readonly-repository.ts b/lib/repository/readonly-repository.ts
index 62878fb..b982c1b 100644
--- a/lib/repository/readonly-repository.ts
+++ b/lib/repository/readonly-repository.ts
@@ -452,7 +452,8 @@ export class ReadonlyRepository<TEntity extends ModelBase, TRawData = any> imple
 			model$ = of(model);
 		}
 
-		return entity.readonly ? model$.pipe(map(model => Object.freeze(model))) : model$;
+		// typecasting is used here until bug in TS is fixed (https://github.com/Microsoft/TypeScript/issues/26495)
+		return (entity.readonly ? model$.pipe(map(model => Object.freeze(model))) : model$) as TEntity extends TConcreteEntity ? Observable<TEntity> : Observable<TConcreteEntity>;
 	}
 
 	private static getSubModel(entityField:Field, value:any, paris:Paris, config:ParisConfig, options: DataOptions = defaultDataOptions):Observable<ModelPropertyValue>{