devextreme/dist/transpiled/core/utils/object.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var typeUtils = require("./type"),
    variableWrapper = require("./variable_wrapper");

var clone = function () {
    function Clone() {}

    return function (obj) {
        Clone.prototype = obj;
        return new Clone();
    };
}();

var orderEach = function orderEach(map, func) {
    var keys = [],
        key,
        i;

    for (key in map) {
        if (map.hasOwnProperty(key)) {
            keys.push(key);
        }
    }

    keys.sort(function (x, y) {
        var isNumberX = typeUtils.isNumeric(x),
            isNumberY = typeUtils.isNumeric(y);

        if (isNumberX && isNumberY) return x - y;
        if (isNumberX && !isNumberY) return -1;
        if (!isNumberX && isNumberY) return 1;
        if (x < y) return -1;
        if (x > y) return 1;
        return 0;
    });

    for (i = 0; i < keys.length; i++) {
        key = keys[i];
        func(key, map[key]);
    }
};

var assignValueToProperty = function assignValueToProperty(target, property, value, assignByReference) {
    if (!assignByReference && variableWrapper.isWrapped(target[property])) {
        variableWrapper.assign(target[property], value);
    } else {
        target[property] = value;
    }
};

// B239679, http://bugs.jquery.com/ticket/9477
var deepExtendArraySafe = function deepExtendArraySafe(target, changes, extendComplexObject, assignByReference) {
    var prevValue, newValue;

    for (var name in changes) {
        prevValue = target[name];
        newValue = changes[name];

        if (target === newValue) {
            continue;
        }

        if (typeUtils.isPlainObject(newValue)) {
            var goDeeper = extendComplexObject ? typeUtils.isObject(prevValue) : typeUtils.isPlainObject(prevValue);
            newValue = deepExtendArraySafe(goDeeper ? prevValue : {}, newValue, extendComplexObject, assignByReference);
        }

        if (newValue !== undefined) {
            assignValueToProperty(target, name, newValue, assignByReference);
        }
    }

    return target;
};

exports.clone = clone;
exports.orderEach = orderEach;
exports.deepExtendArraySafe = deepExtendArraySafe;