From 8e8e07e2f5e009ad19e4f384c3ec0d8f8e298dd5 Mon Sep 17 00:00:00 2001
From: Vyacheslav <sheptikhinv@gmail.com>
Date: Sat, 14 Jun 2025 18:35:24 +0500
Subject: [PATCH] add IStorageManager and it's implementation via localStorage
 in LocalStorageManager

---
 src/helpers/IStorageManager.ts     |  7 +++++++
 src/helpers/LocalStorageManager.ts | 20 ++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/helpers/IStorageManager.ts
 create mode 100644 src/helpers/LocalStorageManager.ts

diff --git a/src/helpers/IStorageManager.ts b/src/helpers/IStorageManager.ts
new file mode 100644
index 0000000..f738c08
--- /dev/null
+++ b/src/helpers/IStorageManager.ts
@@ -0,0 +1,7 @@
+interface IStorageManager<T> {
+    getItem(key: string): T | null;
+    setItem(key: string, value: T): void;
+    removeItem(key: string): void;
+}
+
+export default IStorageManager;
\ No newline at end of file
diff --git a/src/helpers/LocalStorageManager.ts b/src/helpers/LocalStorageManager.ts
new file mode 100644
index 0000000..a701a90
--- /dev/null
+++ b/src/helpers/LocalStorageManager.ts
@@ -0,0 +1,20 @@
+import IStorageManager from "./IStorageManager.ts";
+
+class LocalStorageManager<T> implements IStorageManager<T> {
+    setItem = (key: string, value: T): void => {
+        localStorage.setItem(key, JSON.stringify(value));
+    }
+
+    getItem = (key: string): T | null => {
+        const value = localStorage.getItem(key);
+        if (value === null)
+            return value;
+        return JSON.parse(value);
+    }
+
+    removeItem = (key: string): void => {
+        localStorage.removeItem(key);
+    }
+}
+
+export default LocalStorageManager;
\ No newline at end of file