From 0af41fea762a98e4afeccc7879fb36ff84b32b28 Mon Sep 17 00:00:00 2001
From: KenTandrian <kenricktan11@gmail.com>
Date: Sun, 8 Mar 2026 13:26:15 +0700
Subject: [PATCH] fix(lib): type safety in symbol autocomplete

---
 libs/common/src/lib/interfaces/lookup-item.interface.ts       | 2 +-
 .../lib/symbol-autocomplete/symbol-autocomplete.component.ts  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/common/src/lib/interfaces/lookup-item.interface.ts b/libs/common/src/lib/interfaces/lookup-item.interface.ts
index fa91ed690..6cedeca09 100644
--- a/libs/common/src/lib/interfaces/lookup-item.interface.ts
+++ b/libs/common/src/lib/interfaces/lookup-item.interface.ts
@@ -7,7 +7,7 @@ export interface LookupItem {
   assetSubClass: AssetSubClass;
   currency: string;
   dataProviderInfo: DataProviderInfo;
-  dataSource: DataSource;
+  dataSource: DataSource | null;
   name: string;
   symbol: string;
 }
diff --git a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
index c74e8a077..e17044c3f 100644
--- a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
+++ b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
@@ -185,7 +185,7 @@ export class GfSymbolAutocompleteComponent
   public ngDoCheck() {
     if (this.ngControl) {
       this.validateRequired();
-      this.errorState = this.ngControl.invalid && this.ngControl.touched;
+      this.errorState = !!(this.ngControl.invalid && this.ngControl.touched);
       this.stateChanges.next();
     }
   }
@@ -225,7 +225,7 @@ export class GfSymbolAutocompleteComponent
       ? !super.value?.dataSource || !super.value?.symbol
       : false;
     if (requiredCheck) {
-      this.ngControl.control.setErrors({ invalidData: true });
+      this.ngControl.control?.setErrors({ invalidData: true });
     }
   }
 }