added onscrollend polyfill

Author: CD-Z

android/app/src/main/assets/js/polyfill-onscrollend.js

@@ -0,0 +1,91 @@
+/* eslint-disable eslint-comments/no-unlimited-disable */
+/* eslint-disable */
+'use strict';
+(() => {
+  function f(i, o, r, s = !1) {
+    if (!(o in i) || typeof r != 'function') return !1;
+    let t = i[o];
+    return (
+      (i[o] = function (...e) {
+        return (
+          s || t.apply(this, e), (t = t.bind(this)), r.apply(this, [t, ...e])
+        );
+      }),
+      !0
+    );
+  }
+  if (typeof window == 'undefined') throw 'Not in a browser.';
+  var p = 'onscrollend' in window;
+  if (!p) {
+    let s = function (e, u, l) {
+        if (u !== 'scrollend') {
+          e.apply(this, [u, l]);
+          return;
+        }
+        let c = this,
+          n = i.get(c);
+        if (!n) {
+          let d;
+          (n = {
+            scrollFn: () => {
+              clearTimeout(d),
+                (d = setTimeout(() => {
+                  l();
+                }, 100));
+            },
+            handlers: [l],
+          }),
+            e.apply(c, ['scroll', n.scrollFn, !1]),
+            i.set(c, n);
+        }
+      },
+      t = function (e, u, l) {
+        if (u !== 'scrollend') {
+          e.apply(this, [u, l]);
+          return;
+        }
+        let c = this,
+          n = i.get(c);
+        if (n) {
+          if (
+            (typeof n.scrollFn == 'function' &&
+              e.apply(this, ['scroll', n.scrollFn]),
+            typeof l == 'undefined')
+          )
+            n.handlers = [];
+          else {
+            let d = n.handlers.indexOf(l);
+            d > -1 && n.handlers.splice(d, 1);
+          }
+          n.handlers.length === 0 && i.delete(c);
+        }
+      };
+    (a = s), (w = t);
+    let i = new WeakMap(),
+      o = null,
+      r = null;
+    f(window, 'addEventListener', s, !0),
+      f(window, 'removeEventListener', t, !0),
+      Object.defineProperty(window, 'onscrollend', {
+        set: e => {
+          (typeof e != 'function' || o) &&
+            t.call(window, window.removeEventListener, 'scrollend', o),
+            (o = e),
+            e && s.call(window, window.addEventListener, 'scrollend', e);
+        },
+        get: () => o,
+      }),
+      f(document, 'addEventListener', s, !0),
+      f(document, 'removeEventListener', t, !0),
+      Object.defineProperty(document, 'onscrollend', {
+        set: e => {
+          (typeof e != 'function' || r) &&
+            t.call(document, document.removeEventListener, 'scrollend', r),
+            (r = e),
+            e && s.call(document, document.addEventListener, 'scrollend', e);
+        },
+        get: () => r,
+      });
+  }
+  var a, w;
+})();

src/screens/reader/components/WebViewReader.tsx

@@ -255,6 +255,7 @@ const WebViewReader: React.FC<WebViewReaderProps> = ({ onPress }) => {
                   },
                 })}
               </script>
+              <script src="${assetsUriPrefix}/js/polyfill-onscrollend.js"></script>
               <script src="${assetsUriPrefix}/js/icons.js"></script>
               <script src="${assetsUriPrefix}/js/van.js"></script>
               <script src="${assetsUriPrefix}/js/text-vibe.js"></script>