From c80ba38d3de0dc2446f32a043cefd70c51c7b513 Mon Sep 17 00:00:00 2001
From: TheDiaval <thediavall@gmail.com>
Date: Tue, 30 Jul 2019 16:16:03 +0300
Subject: [PATCH] fix(core): check if localization key exists

---
 npm/ng-packs/packages/core/src/lib/states/config.state.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/npm/ng-packs/packages/core/src/lib/states/config.state.ts b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
index f5bf9ffbe6..758051cce6 100644
--- a/npm/ng-packs/packages/core/src/lib/states/config.state.ts
+++ b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
@@ -107,6 +107,8 @@ export class ConfigState {
   }
 
   static getCopy(key: string, ...interpolateParams: string[]) {
+    if (!key) key = '';
+
     const keys = key.split('::') as string[];
     const selector = createSelector(
       [ConfigState],