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CommandLineParameter class

The base class for the various command-line parameter types.

Signature:

export declare abstract class CommandLineParameter 

Remarks

The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the CommandLineParameter class.

Properties

Property Modifiers Type Description
description   string Documentation for the flag, that will be shown when invoking the tool with “–help”
environmentVariable   string | undefined The name of an environment variable that the parameter value will be read from, if it was omitted from the command-line. An error will be reported if the environment value cannot be parsed.
kind   CommandLineParameterKind Indicates the type of parameter.
longName   string The long name of the flag including double dashes, e.g. “–do-something”
required   boolean If true, then an error occurs if the parameter was not included on the command-line.
shortName   string | undefined An optional short name for the flag including the dash, e.g. “-d”

Methods

Method Modifiers Description
appendToArgList(argList)   Append the parsed values to the provided string array.
reportInvalidData(data)   Internal usage only. Used to report unexpected output from the argparse library.
validateDefaultValue(hasDefaultValue)