startOfWeek method
The start of the current week at 00:00:00.000000.
Implementation
Hora startOfWeek({WeekConfig config = WeekConfig.iso}) {
_validateWeekConfig(config);
var diff = weekday - config.firstDayOfWeek;
if (diff < 0) diff += 7;
return subtract(diff, TemporalUnit.day).startOf(TemporalUnit.day);
}