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    REPORT.md clock.js event_emitter.js model.js score_keeper.js tetrimino.js tetrimino_factory.js tetris.js tetris_control.js tetris_view.js util.js

  • util.js

  • ¶ 
    Tetris.js - A Tetris clone for HTML5
Copyright (C) 2014  Chris Barrick <cbarrick1@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

    
define(function (require, exports, module) {
	'use strict';
  • ¶

    A collection of convenience functions for working with objects.

    	var util = module.exports = {};
  • ¶

    util.clone(obj)

  • ¶

    Returns a shallow clone of an object.

    	util.clone = function (obj) {
		var clone = Object.create(Object.getPrototypeOf(obj));
		return util.extend(clone, obj);
	};
  • ¶

    util.extend(base, extension)

  • ¶

    Extends a base object with members of an extension object. Returns the base object.

    	util.extend = function (base, extension) {
		var props = Object.getOwnPropertyNames(extension);
		var desc;
		props.forEach(function (prop) {
			desc = Object.getOwnPropertyDescriptor(extension, prop);
			Object.defineProperty(base, prop, desc);
		});
		return base;
	};

});