Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
47 lines (41 sloc) 1.09 KB
/*:nodoc:*
* class ActionHelp
*
* Support action for printing help
* This class inherided from [[Action]]
**/
'use strict';
var util = require('util');
var Action = require('../action');
// Constants
var c = require('../const');
/*:nodoc:*
* new ActionHelp(options)
* - options (object): options hash see [[Action.new]]
*
**/
var ActionHelp = module.exports = function ActionHelp(options) {
options = options || {};
if (options.defaultValue !== null) {
options.defaultValue = options.defaultValue;
} else {
options.defaultValue = c.SUPPRESS;
}
options.dest = (options.dest !== null ? options.dest : c.SUPPRESS);
options.nargs = 0;
Action.call(this, options);
};
util.inherits(ActionHelp, Action);
/*:nodoc:*
* ActionHelp#call(parser, namespace, values, optionString)
* - parser (ArgumentParser): current parser
* - namespace (Namespace): namespace for output data
* - values (Array): parsed values
* - optionString (Array): input option string(not parsed)
*
* Print help and exit
**/
ActionHelp.prototype.call = function (parser) {
parser.printHelp();
parser.exit();
};