--- /dev/null
+/*:nodoc:*
+ * class ActionStore
+ *
+ * This action just stores the argument’s value. This is the default action.
+ *
+ * This class inherited from [[Action]]
+ *
+ **/
+'use strict';
+
+var util = require('util');
+
+var Action = require('../action');
+
+// Constants
+var $$ = require('../const');
+
+
+/*:nodoc:*
+ * new ActionStore(options)
+ * - options (object): options hash see [[Action.new]]
+ *
+ **/
+var ActionStore = module.exports = function ActionStore(options) {
+ options = options || {};
+ if (this.nargs <= 0) {
+ throw new Error('nargs for store actions must be > 0; if you ' +
+ 'have nothing to store, actions such as store ' +
+ 'true or store const may be more appropriate');
+
+ }
+ if (this.constant !== undefined && this.nargs !== $$.OPTIONAL) {
+ throw new Error('nargs must be OPTIONAL to supply const');
+ }
+ Action.call(this, options);
+};
+util.inherits(ActionStore, Action);
+
+/*:nodoc:*
+ * ActionStore#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)
+ *
+ * Call the action. Save result in namespace object
+ **/
+ActionStore.prototype.call = function (parser, namespace, values) {
+ namespace.set(this.dest, values);
+};