todomvc/examples/canjs_require/bower_components/canjs/amd/can/construct/proxy.js

> Helping you select an MV\* framework

/*!
 * CanJS - 2.0.3
 * http://canjs.us/
 * Copyright (c) 2013 Bitovi
 * Tue, 26 Nov 2013 18:21:22 GMT
 * Licensed MIT
 * Includes: CanJS default build
 * Download from: http://canjs.us/
 */
define(["can/util/library", "can/construct"], function(can, Construct){
var isFunction = can.isFunction,
	isArray = can.isArray,
	makeArray = can.makeArray,

proxy = function( funcs ) {

			//args that should be curried
			var args = makeArray(arguments),
				self;

			// get the functions to callback
			funcs = args.shift();

			// if there is only one function, make funcs into an array
			if (!isArray(funcs) ) {
				funcs = [funcs];
			}

			// keep a reference to us in self
			self = this;


			return function class_cb() {
				// add the arguments after the curried args
				var cur = args.concat(makeArray(arguments)),
					isString,
					length = funcs.length,
					f = 0,
					func;

				// go through each function to call back
				for (; f < length; f++ ) {
					func = funcs[f];
					if (!func ) {
						continue;
					}

					// set called with the name of the function on self (this is how this.view works)
					isString = typeof func == "string";

					// call the function
					cur = (isString ? self[func] : func).apply(self, cur || []);

					// pass the result to the next function (if there is a next function)
					if ( f < length - 1 ) {
						cur = !isArray(cur) || cur._use_call ? [cur] : cur
					}
				}
				return cur;
			}
		}
	can.Construct.proxy = can.Construct.prototype.proxy = proxy;
	// this corrects the case where can/control loads after can/construct/proxy, so static props don't have proxy
	var correctedClasses = [can.Map, can.Control, can.Model],
		i = 0;
	for (; i < correctedClasses.length; i++ ) {
		if(correctedClasses[i]){
			correctedClasses[i].proxy = proxy;
		}
	}
	return can;
});