viki/node_modules/when/lib/liftAll.js

/** @license MIT License (c) copyright 2010-2014 original author or authors */
/** @author Brian Cavalier */
/** @author John Hann */

(function(define) { 'use strict';
define(function() {

	return function liftAll(liftOne, combine, dst, src) {
		if(typeof combine === 'undefined') {
			combine = defaultCombine;
		}

		return Object.keys(src).reduce(function(dst, key) {
			var f = src[key];
			return typeof f === 'function' ? combine(dst, liftOne(f), key) : dst;
		}, typeof dst === 'undefined' ? defaultDst(src) : dst);
	};

	function defaultCombine(o, f, k) {
		o[k] = f;
		return o;
	}

	function defaultDst(src) {
		return typeof src === 'function' ? src.bind() : Object.create(src);
	}
});
}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));