format method
Format the given date and return the formatted string.
The format specifiers are case-sensitive.
The following table lists the available format specifiers:
| Specifier | Meaning | Example | 
|---|---|---|
| YYYY | Year with 4 digits | 2019 | 
| YY | Year with 2 digits | 19 | 
| MMMM | Month name | January | 
| ... | ... | ... | 
Implementation
@override
String format(DateTime date) => super.format(date).padLeft(2, '0');