display time left to node expiry on active nodes

src/entities/TimeRange.ts

@@ -29,4 +29,17 @@ export default class TimeRange {
     return targetDate.getTime();
   }
 
+    /**
+     * Returns the timestamp when the current time range will end
+     * @param eorzeaTimeFrom
+     */
+  public getEndTimeFrame(eorzeaTimeFrom: EorzeaTime): number {
+    const targetDate = new Date(eorzeaTimeFrom.eorzeaDate.getTime());
+    targetDate.setUTCHours(this.to[0], 0, 0, 0);
+    if (eorzeaTimeFrom.getHours() >= this.to[0]) {
+      targetDate.setUTCHours(this.to[0] + 24);
+    }
+    return targetDate.getTime();
+  }
+
 }