migrate to typescript

src/utils/getFormattedTime.ts

@@ -0,0 +1,14 @@
+/**
+ * Converts time in seconds to minutes:seconds
+ */
+export function getFormattedTime(totalSeconds: number) {
+    let minutes = Math.floor(totalSeconds / 60);
+    let seconds = totalSeconds - minutes * 60;
+    let secondsDisplay = seconds.toFixed(3);
+    if (seconds < 10) {
+        //add a zero
+        secondsDisplay = '0' + secondsDisplay;
+    }
+
+    return minutes + ':' + secondsDisplay;
+}