From 3a5c098128f8229aa3b961c0c03d0f9185089fcd Mon Sep 17 00:00:00 2001
From: Dan Percic <dan@devplant.ro>
Date: Wed, 8 Feb 2023 17:24:20 +0200
Subject: [PATCH] add function

---
 src/lib/utils/functions.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib/utils/functions.ts b/src/lib/utils/functions.ts
index 5808346..53586a7 100644
--- a/src/lib/utils/functions.ts
+++ b/src/lib/utils/functions.ts
@@ -77,6 +77,10 @@ export function randomString() {
     return Math.random().toString(36).substring(2, 9);
 }
 
+export function isJustOne<T>(list: T[]): list is [T] {
+    return list.length === 1;
+}
+
 export function trackByFactory<T extends ITrackable<PrimaryKey>, PrimaryKey extends Id = T['id']>() {
     return (_index: number, item: T): Id => item.id;
 }