Add Safari internal JS services and documentation

js/reader/Reader.js

@@ -0,0 +1,35 @@
+//# sourceURL=__InjectedScript_Reader.js
+/* Copyright (c) 2025 Apple Inc. All rights reserved. */
+/*
+ * Copyright (c) 2010 Apple Inc. All rights reserved.
+ */
+function setScrollTop(e) {
+  document.documentElement.scrollTop = e;
+}
+function readerWillBecomeVisible() {
+  setReaderIsActive(!0);
+}
+function readerWillEnterBackground() {
+  setReaderIsActive(!1);
+}
+ReaderJS._clickingOutsideOfPaperRectangleDismissesReader = !0;
+let cachedIframeURLMap = new Map();
+((ReaderJS._readerWillBecomeVisible = function () {
+  for (let e of document.querySelectorAll("iframe")) {
+    let r = cachedIframeURLMap.get(e);
+    r && ((e.src = r), cachedIframeURLMap.delete(e));
+  }
+}),
+  (ReaderJS._readerWillEnterBackground = function () {
+    for (let e of document.querySelectorAll("iframe")) {
+      e.src && (cachedIframeURLMap.set(e, e.src), e.removeAttribute("src"));
+    }
+  }),
+  (ReaderJS._isJavaScriptEnabled = function () {
+    return !!(ReaderJSController.initialConfiguration() || {})[
+      ReaderConfigurationJavaScriptEnabledKey
+    ];
+  }),
+  (ReaderAppearanceJS._tryApplyStaticConfiguration = function () {
+    return (document.body.classList.add("mac"), !1);
+  }));