1 files changed, 5 insertions, 4 deletions
diff --git a/static/js/refresh.ts b/static/js/refresh.ts
index d308014..2a8a089 100644
--- a/static/js/refresh.ts
+++ b/static/js/refresh.ts
@@ -10,16 +10,16 @@
     http.setRequestHeader("Pragma", "no-cache");
     http.setRequestHeader("Cache-Control", "no-cache");
     http.send();
+    return http;
   }
 
   function update() {
     const url = self.location.href.split("#")[0].split("?")[0];
     check(url, "HEAD", function (request) {
-      const local = document.querySelector('meta[name="last-modified"]').content;
       const remote = request.getResponseHeader("last-modified") || local;
-      const localSecond = local.substring(0, local.length - 5);
-      const remoteSecond = remote.substring(0, remote.length - 5);
-      const modified = localSecond !== remoteSecond;
+      const local = document.querySelector('meta[name="last-modified"]').content;
+      const modified = Date.parse(document.lastModified) !== Date.parse(remote);
+      const drift = Date.parse(remote) - Date.parse(local);
 
       if (modified) {
         const indicator = document.querySelector("a[data-update]");
@@ -30,6 +30,7 @@
         self.removeEventListener("blur", update);
         console.log("R: " + remote);
         console.log("L: " + local);
+        console.log("D: " + drift);
         console.log("M: " + modified);
       }
     });