static/js/refresh: Convert dates to unix

Can't avoid Date.parse on lastModified ISO 8601?
Change label Refresh -> Update
Handle no cache?

1 files changed, 5 insertions, 4 deletions

diff --git a/assets/js/index.js b/assets/js/index.js
index 98b53d2..f2c4ae4 100644
--- a/assets/js/index.js
+++ b/assets/js/index.js
@@ -75,15 +75,15 @@
         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]");
                 check(url, "GET");
@@ -93,6 +93,7 @@
                 self.removeEventListener("blur", update);
                 console.log("R: " + remote);
                 console.log("L: " + local);
+                console.log("D: " + drift);
                 console.log("M: " + modified);
             }
         });