From 94f34ddd13bf3bc0882c2c1d90f54439b6e94e86 Mon Sep 17 00:00:00 2001
From: dmitrylyzo <56478732+dmitrylyzo@users.noreply.github.com>
Date: Sat, 25 May 2024 11:50:37 -0400
Subject: [PATCH] Backport pull request #5558 from jellyfin-web/release-10.9.z

Fix `TypeError: Failed to construct 'Headers': No matching constructor signature.`

Original-merge: a806eeb3a789bbb700d59d1bc934194eaf9321e5

Merged-by: thornbill <thornbill@users.noreply.github.com>

Backported-by: Joshua M. Boniface <joshua@boniface.me>
---
 src/index.jsx              |  1 +
 src/legacy/patchHeaders.js | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/legacy/patchHeaders.js

diff --git a/src/index.jsx b/src/index.jsx
index 362a62cfbe..f0d72d43ca 100644
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -34,6 +34,7 @@ import './legacy/domParserTextHtml';
 import './legacy/focusPreventScroll';
 import './legacy/htmlMediaElement';
 import './legacy/keyboardEvent';
+import './legacy/patchHeaders';
 import './legacy/vendorStyles';
 import { currentSettings } from './scripts/settings/userSettings';
 import taskButton from './scripts/taskbutton';
diff --git a/src/legacy/patchHeaders.js b/src/legacy/patchHeaders.js
new file mode 100644
index 0000000000..5c99b6a358
--- /dev/null
+++ b/src/legacy/patchHeaders.js
@@ -0,0 +1,26 @@
+/**
+ * Patch 'Headers' to accept 'undefined'.
+ * Fixes `TypeError: Failed to construct 'Headers': No matching constructor signature.`
+ * Affected platforms:
+ *   - Tizen 3
+ *   - Tizen 4
+ *   - webOS 4
+ */
+
+(function (window) {
+    'use strict';
+
+    if (window.Headers) {
+        try {
+            new window.Headers(undefined);
+        } catch (_) {
+            console.debug('patch \'Headers\' to accept \'undefined\'');
+
+            const _Headers = window.Headers;
+
+            window.Headers = function (init) {
+                return init ? new _Headers(init) : new _Headers();
+            };
+        }
+    }
+}(window));