From 44dd9ce0991bca18b1fade5c0b78a6987d299b9e Mon Sep 17 00:00:00 2001
From: dr2009 <dr2009.china@gmail.com>
Date: Sat, 23 Mar 2024 22:43:24 +0800
Subject: [PATCH] fix: [#1347] LocalStorage.setItem non-string value should to
 be string (#1348)

---
 packages/happy-dom/src/storage/Storage.ts       |  2 +-
 packages/happy-dom/test/storage/Storage.test.ts | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/happy-dom/src/storage/Storage.ts b/packages/happy-dom/src/storage/Storage.ts
index dea84927..983343c8 100644
--- a/packages/happy-dom/src/storage/Storage.ts
+++ b/packages/happy-dom/src/storage/Storage.ts
@@ -31,7 +31,7 @@ export default class Storage {
 	 * @param item Item.
 	 */
 	public setItem(name: string, item: string): void {
-		this[name] = item;
+		this[name] = String(item);
 	}
 
 	/**
diff --git a/packages/happy-dom/test/storage/Storage.test.ts b/packages/happy-dom/test/storage/Storage.test.ts
index 79117e97..5f9a3562 100644
--- a/packages/happy-dom/test/storage/Storage.test.ts
+++ b/packages/happy-dom/test/storage/Storage.test.ts
@@ -51,6 +51,16 @@ describe('Storage', () => {
 			expect(storage['key2']).toBe('value2');
 			storage['key1'] = 'value3';
 			expect(storage.getItem('key1')).toBe('value3');
+
+			// @ts-expect-error
+			storage.setItem('key1', 1);
+			expect(storage.getItem('key1')).toBe('1');
+			expect(storage['key1']).toBe('1');
+
+			// @ts-expect-error
+			storage.setItem('key1', {});
+			expect(storage.getItem('key1')).toBe('[object Object]');
+			expect(storage['key1']).toBe('[object Object]');
 		});
 	});