toDuration method
Format: HH:MM:SS
Implementation
Duration? toDuration() {
if (this == 'SHORTS' || trim().isEmpty) {
return null;
}
final parts = split(':');
assert(parts.length <= 3);
if (parts.length == 1) {
return Duration(seconds: int.parse(parts.first));
}
if (parts.length == 2) {
return Duration(
minutes: int.parse(parts[0]),
seconds: int.parse(parts[1]),
);
}
if (parts.length == 3) {
return Duration(
hours: int.parse(parts[0]),
minutes: int.parse(parts[1]),
seconds: int.parse(parts[2]),
);
}
// Shouldn't reach here.
throw Error();
}