simpleddp/lib/helpers/isequal.js

The aim of this library is to simplify the process of working with meteor server over DDP protocol using external JS environments

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});
var isEqual = exports.isEqual = function isEqual(value, other) {
	var type = Object.prototype.toString.call(value);

	if (type !== Object.prototype.toString.call(other)) return false;

	if (['[object Array]', '[object Object]'].indexOf(type) < 0) return false;

	var valueLen = type === '[object Array]' ? value.length : Object.keys(value).length;
	var otherLen = type === '[object Array]' ? other.length : Object.keys(other).length;
	if (valueLen !== otherLen) return false;

	var compare = function compare(item1, item2) {
		var itemType = Object.prototype.toString.call(item1);

		if (['[object Array]', '[object Object]'].indexOf(itemType) >= 0) {
			if (!isEqual(item1, item2)) return false;
		} else {
				if (itemType !== Object.prototype.toString.call(item2)) return false;

				if (itemType === '[object Function]') {
					if (item1.toString() !== item2.toString()) return false;
				} else {
					if (item1 !== item2) return false;
				}
			}
	};

	if (type === '[object Array]') {
		for (var i = 0; i < valueLen; i++) {
			if (compare(value[i], other[i]) === false) return false;
		}
	} else {
		for (var key in value) {
			if (value.hasOwnProperty(key)) {
				if (compare(value[key], other[key]) === false) return false;
			}
		}
	}

	return true;
};