From 71e54744ae5d52e99a5225bc054391f30a108f36 Mon Sep 17 00:00:00 2001
From: Toni Sevener <tsevener@wikimedia.org>
Date: Wed, 10 Jul 2024 15:38:20 -0500
Subject: [PATCH] Add JS confirm support

---
 .../Code/SinglePageWebViewController.swift     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Wikipedia/Code/SinglePageWebViewController.swift b/Wikipedia/Code/SinglePageWebViewController.swift
index 5571c397f5c..d7a8af6ba7a 100644
--- a/Wikipedia/Code/SinglePageWebViewController.swift
+++ b/Wikipedia/Code/SinglePageWebViewController.swift
@@ -61,6 +61,7 @@ class SinglePageWebViewController: ViewController {
     private lazy var webView: WKWebView = {
         let webView = WKWebView(frame: UIScreen.main.bounds, configuration: webViewConfiguration)
         webView.navigationDelegate = self
+        webView.uiDelegate = self
         return webView
     }()
     
@@ -274,3 +275,20 @@ extension SinglePageWebViewController: WKNavigationDelegate {
         fakeProgressController.finish()
     }
 }
+
+extension SinglePageWebViewController: WKUIDelegate {
+    func webView(_ webView: WKWebView, runJavaScriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping (Bool) -> Void) {
+        
+        let alertController = UIAlertController(title: nil, message: message, preferredStyle: .alert)
+        let action1 = UIAlertAction(title: CommonStrings.okTitle, style: .default) { _ in
+            completionHandler(true)
+        }
+        let action2 = UIAlertAction(title: CommonStrings.cancelActionTitle, style: .default) { _ in
+            completionHandler(false)
+        }
+        alertController.addAction(action1)
+        alertController.addAction(action2)
+        
+        present(alertController, animated: true)
+    }
+}