just for the sake of it

generic/timeUtils.js

@@ -0,0 +1,34 @@
+function formatMsToTime(i32) {
+    let mins = Math.trunc(i32 / 60000);
+    i32 %= 60000;
+    let sec = Math.trunc(i32 / 1000);
+    i32 %= 1000;
+    let ret = `${mins.toString().padStart(2, "0")}:${sec.toString().padStart(2, "0")}.${Math.trunc(i32).toString().padStart(3, "0")}`;
+    return ret;
+}
+
+function timeToMs(timeStr) {
+    let split = timeStr.split("'");
+    let mins = parseInt(split[0]);
+    let split2 = split[1].split("\"");
+    let secs = parseInt(split2[0]);
+    let ms = parseInt(split2[1]);
+    return mins * 60000 + secs * 1000 + ms
+}
+
+function timeToMsColons(timeStr) {
+    let split = timeStr.split(":");
+    let mins = parseInt(split[0]);
+    let split2 = split[1].split(".");
+    let secs = parseInt(split2[0]);
+    let ms = parseInt(split2[1]);
+    return mins * 60000 + secs * 1000 + ms
+}
+
+function sumTimesColon(timeArray) {
+    return formatMsToTime(timeArray.reduce((a,b)=>a+timeToMsColons(b),0));
+}
+
+function timeDiffColon(time1, time2) {
+    return formatMsToTime(timeToMsColons(time2)-timeToMsColons(time1));
+}