A tiny tool to help create patterns. The first one is to create patterns for the DateTimeFormatter class.

A tool to help build DateTimeFormatter patterns.

1. Build Date Pattern, by Adding Only, from 3 options

   Separator is dash - by default (LATER: can be set via constructor or with method)

   Select "value"

   Year -> choose: 4 or 2 digits y

   Month -> choose: leading 0 or not M

   Day -> choose: leading 0 or not d

   Show updated pattern with multiple examples

DONE Select yyyy
DONE >> Pattern is 'yyyy', example: 2022
DONE Select M
DONE >> Pattern is yyyy-M, example: 2022-1
DONE Select dd
DONE >> Pattern is yyyy-M-dd, example: 2022-1-26
DONE Select MM
DONE >> Pattern is yyyy-MM-dd, example: 2022-01-26