toTimeUnit method

String toTimeUnit()

Formats the integer as a two-digit time unit for playback duration (MM or SS).

Ensures that single-digit values are zero-padded (e.g., 5 → "05", 12 → "12").

Returns a string representation of the integer in a two-digit format.

Implementation

String toTimeUnit() {
  String numberStr = toString();
  return this < 10 ? '0$numberStr' : numberStr;
}