Optional allowWhether to allow positional arguments
true
Optional envEnvironment object to read/write. Defaults process.env.
No effect if envPrefix is not set.
Optional envPrefix to use when reading/writing the environment variables
If not specified, environment behavior will not be available.
Optional stopStop parsing flags and opts at the first positional argument.
This is to support cases like cmd [flags] <subcmd> [options], where
each subcommand may have different options. This effectively treats
any positional as a -- argument. Only relevant if allowPositionals
is true.
To do subcommands, set this option, look at the first positional, and parse the remaining positionals as appropriate.
false
Optional stopConditional stopAtPositional. If set to a (string)=>boolean function,
will be called with each positional argument encountered. If the function
returns true, then parsing will stop at that point.
Optional usageA short usage string. If not provided, will be generated from the options provided, but that can of course be rather verbose if there are a lot of options.
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Options provided to the Jack constructor