The description for the positional operand - used in the help and error messages.
The name of the positional operand.
This name cannot contain a dash (-) or else the positional argument will not function properly. This is a limitation of yargs.
Appending "..." to the end of a name will allow for a space delimited
array of arguments. So if you specify name = "abcd..." and then
"a b c d" is specified for the positional argument, abcd = ["a", "b", "c", "d"]
A regex that will be used to match the input for this positional for validation.
True if this positional is required.
What is an acceptable length range for your positional? e.g. between 1 and 8 characters: [1,8]
The option type - used to validate that the user provided value is acceptable.
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Positional option definition - used on a command definition to define positional operands. Positional operands do not use --dashes. They are values specified after the full command string e.g. group group group group command mypositional --dash-option