Add logging with filters

src/utils/formatDuration.ts

@@ -0,0 +1,21 @@
+/**
+ * Format a time duration like `HH:MM:SS.mmm`.
+ *
+ * @param durationMs time duration in milliseconds.
+ * @return formatted time string.
+ */
+export default function formatDuration(durationMs: number): string {
+  const isNegative = durationMs < 0;
+  if (isNegative) durationMs = -durationMs;
+
+  const hours = Math.floor(durationMs / 3600000);
+  const minutes = Math.floor((durationMs % 3600000) / 60000);
+  const seconds = Math.floor((durationMs % 60000) / 1000);
+  const milliseconds = Math.floor(durationMs % 1000);
+
+  return (isNegative ? '-' : '') +
+    `${hours.toString().padStart(2, '0')}:` +
+    `${minutes.toString().padStart(2, '0')}:` +
+    `${seconds.toString().padStart(2, '0')}.` +
+    `${milliseconds.toString().padStart(3, '0')}`;
+}