From cd2459463607edde7f11d5fb27aab62334a63faa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ji=C5=99=C3=AD=20Prokop?= <jiri.prokop@productboard.com>
Date: Mon, 21 Oct 2024 16:08:07 +0200
Subject: [PATCH] fix: support native `URLSearchParams` (#15)

---
 README.md     |  1 +
 index.js      |  1 +
 index.test.js | 10 ++++++++++
 3 files changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 8b882f4..7c60512 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ This project "fixes" the following global APIs, overriding whichever polyfills t
 - `TextDecoderStream`
 - `structuredClone()`
 - `URL`
+- `URLSearchParams`
 
 ## Getting started
 
diff --git a/index.js b/index.js
index f0a0e75..37a7cc2 100644
--- a/index.js
+++ b/index.js
@@ -18,6 +18,7 @@ class FixedJSDOMEnvironment extends JSDOMEnvironment {
     this.global.fetch = fetch
     this.global.structuredClone = structuredClone
     this.global.URL = URL
+    this.global.URLSearchParams = URLSearchParams
   }
 }
 
diff --git a/index.test.js b/index.test.js
index c7a6bfe..493b939 100644
--- a/index.test.js
+++ b/index.test.js
@@ -132,3 +132,13 @@ test('exposes "URL"', () => {
   expect(globalThis).toHaveProperty('URL')
   expect(new URL('http://localhost')).toBeInstanceOf(BuiltinURL)
 })
+
+test('exposes "URLSearchParams" and makes it mockable', () => {
+  jest
+    .spyOn(URLSearchParams.prototype, 'has')
+    .mockImplementation((key) => key === 'mocked_flag')
+
+  expect(globalThis).toHaveProperty('URLSearchParams')
+  expect(new URL('http://localhost?other_non_mocked_flag').searchParams.has('other_non_mocked_flag')).toBe(false)
+  expect(new URL('http://localhost?other_non_mocked_flag').searchParams.has('mocked_flag')).toBe(true)
+})