vknplayer/polyfill/lib/goog.js

console audio player for listen music from vk.com and on-line radio

var goog = {};


goog.provide = function() {};


goog.inherits = function(childCtor, parentCtor) {
	/** @constructor */
	function tempCtor() {};
	tempCtor.prototype = parentCtor.prototype;
	childCtor.superClass_ = parentCtor.prototype;
	childCtor.prototype = new tempCtor();
	childCtor.prototype.constructor = childCtor;
};


goog.base = function(me, opt_methodName, var_args) {
	var caller = arguments.callee.caller;
	if (caller.superClass_) {
		// This is a constructor. Call the superclass constructor.
		return caller.superClass_.constructor.apply(
			me, Array.prototype.slice.call(arguments, 1));
	}

	var args = Array.prototype.slice.call(arguments, 2);
	var foundCaller = false;
	for (var ctor = me.constructor;
	     ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {
		if (ctor.prototype[opt_methodName] === caller) {
			foundCaller = true;
		} else if (foundCaller) {
			return ctor.prototype[opt_methodName].apply(me, args);
		}
	}

	// If we did not find the caller in the prototype chain,
	// then one of two things happened:
	// 1) The caller is an instance method.
	// 2) This method was not called by the right caller.
	if (me[opt_methodName] === caller) {
		return me.constructor.prototype[opt_methodName].apply(me, args);
	} else {
		throw Error(
			'goog.base called from a method of one name ' +
			'to a method of a different name');
	}
};


module.exports = goog;