48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
/*:nodoc:*
|
|
* class ActionVersion
|
|
*
|
|
* Support action for printing program version
|
|
* This class inherited from [[Action]]
|
|
**/
|
|
'use strict';
|
|
|
|
var util = require('util');
|
|
|
|
var Action = require('../action');
|
|
|
|
//
|
|
// Constants
|
|
//
|
|
var c = require('../const');
|
|
|
|
/*:nodoc:*
|
|
* new ActionVersion(options)
|
|
* - options (object): options hash see [[Action.new]]
|
|
*
|
|
**/
|
|
var ActionVersion = module.exports = function ActionVersion(options) {
|
|
options = options || {};
|
|
options.defaultValue = (options.defaultValue ? options.defaultValue : c.SUPPRESS);
|
|
options.dest = (options.dest || c.SUPPRESS);
|
|
options.nargs = 0;
|
|
this.version = options.version;
|
|
Action.call(this, options);
|
|
};
|
|
util.inherits(ActionVersion, Action);
|
|
|
|
/*:nodoc:*
|
|
* ActionVersion#call(parser, namespace, values, optionString) -> Void
|
|
* - parser (ArgumentParser): current parser
|
|
* - namespace (Namespace): namespace for output data
|
|
* - values (Array): parsed values
|
|
* - optionString (Array): input option string(not parsed)
|
|
*
|
|
* Print version and exit
|
|
**/
|
|
ActionVersion.prototype.call = function (parser) {
|
|
var version = this.version || parser.version;
|
|
var formatter = parser._getFormatter();
|
|
formatter.addText(version);
|
|
parser.exit(0, formatter.formatHelp());
|
|
};
|