(hopefully) get proper locale from browser

ts/modules/accounts.ts

@@ -83,7 +83,7 @@ class user implements User {
     set last_active(unix: number) {
         this._lastActiveUnix = unix;
         if (unix == 0) {
-            this._lastActive.textContent == "";
+            this._lastActive.textContent == "n/a";
         } else {
             this._lastActive.textContent = toDateString(new Date(unix*1000));
         }

ts/modules/common.ts

@@ -7,7 +7,8 @@ export function createEl(html: string): HTMLElement {
 }
 
 export function toDateString(date: Date): string {
-    return date.toLocaleDateString() + " " + date.toLocaleString([], {
+    const locale = (window as any).navigator.userLanguage || window.navigator.language;
+    return date.toLocaleDateString(locale) + " " + date.toLocaleString(locale, {
         hour: "2-digit",
         minute: "2-digit"
     })

ts/modules/update.ts

@@ -8,7 +8,7 @@ interface updateDTO {
 
 export class Updater implements updater {
     private _update: Update;
-    private _date: Date;
+    private _date: number;
     updateAvailable = false;
 
     checkForUpdates = (run?: (req: XMLHttpRequest) => void) => _get("/config/update", null, (req: XMLHttpRequest) => {
@@ -26,10 +26,10 @@ export class Updater implements updater {
             }
         }
     });
-    get date(): number { return Math.floor(this._date.getTime() / 1000); }
+    get date(): number { return this._date; }
     set date(unix: number) {
-        this._date = new Date(unix * 1000);
-        document.getElementById("update-date").textContent = toDateString(this._date);
+        this._date = unix;
+        document.getElementById("update-date").textContent = toDateString(new Date(this._date * 1000));
     }
     
     get description(): string { return this._update.description; }