Add github update indicator

js/utillib.js

@@ -42,6 +42,32 @@ export function gradeToClass(grade){
     return 'flat';
 }
 
+/**
+ * Outputs an easy to read time interval between `date1` and `date2`
+ * @param {Date} date 
+ */
+export function formattedTimeBetweenDates(date1, date2){
+    let interval = (date2 - date1)/1000;
+    if(interval < 0) interval *= -1;
+    let finalInterval = Math.floor(interval);
+    if(interval < 60) return finalInterval+(finalInterval == 1 ? ' second' : ' seconds');
+    interval /= 60;
+    finalInterval = Math.floor(interval);
+    if(interval < 60) return finalInterval+(finalInterval == 1 ? ' minute' : ' minutes');
+    interval /= 60;
+    finalInterval = Math.floor(interval);
+    if(interval < 24) return finalInterval+(finalInterval == 1 ? ' hour' : ' hours');
+    interval /= 24;
+    finalInterval = Math.floor(interval);
+    if(interval < 7) return finalInterval+(finalInterval == 1 ? ' day' : ' days');
+    finalInterval = Math.floor(interval/7);
+    if(interval < 30.4375) return finalInterval+(finalInterval == 1 ? ' week' : ' weeks');
+    finalInterval = Math.floor(interval/30.4375);
+    if(interval < 365.25) return finalInterval+(finalInterval == 1 ? ' month' : ' months');
+    finalInterval = Math.floor(interval/365.25);
+    return finalInterval+(finalInterval == 1 ? ' year' : ' years');
+}
+
 export function radiusToSpeed(radius){
     if(radius < 50) return 10;
     else if(radius < 70) return 20;