static/js/pager: Keep it simple and restore on scroll change

1 files changed, 4 insertions, 36 deletions

diff --git a/static/js/pager.ts b/static/js/pager.ts
index 411c3c5..01d40d7 100644
--- a/static/js/pager.ts
+++ b/static/js/pager.ts
@@ -53,29 +53,6 @@
     }
   };
 
-  const fragmentClear = (entries) => {
-    for (let entry = 0; entry < entries.length; entry++) {
-      if (self.location.hash) {
-        self.history.replaceState(null, "", url);
-      }
-    }
-  };
-
-  const fragmentRelease = (fragmentCallback) => {
-    try {
-      const fragmentObserver = new IntersectionObserver(fragmentCallback, {
-        threshold: 1.0,
-      });
-      const fragments = document.querySelectorAll("[id]");
-
-      for (let fragment = 0; fragment < fragments.length; fragment++) {
-        fragmentObserver.observe(fragments[fragment]);
-      }
-    } catch (error) {
-      console.log("The intersection observer is not supported", error);
-    }
-  };
-
   self.addEventListener("DOMContentLoaded", function () {
     scrollRestore(url);
     self.addEventListener("click", function (event) {
@@ -85,20 +62,11 @@
     });
   });
 
-  let scrolls = 0;
-
-  let once = (action) => {
-    once = function () {};
-    action();
-  };
-
   self.addEventListener("scroll", function () {
     scrollTrack(url);
-    if (scrolls > 3) {
-      once(function () {
-        fragmentRelease(fragmentClear);
-      });
-    }
-    scrolls++;
+  });
+
+  self.addEventListener("hashchange", function () {
+    scrollRestore(url);
   });
 })();