(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular-ru/cdk/utils')) :
    typeof define === 'function' && define.amd ? define('@angular-ru/cdk/object', ['exports', '@angular-ru/cdk/utils'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global['angular-ru'] = global['angular-ru'] || {}, global['angular-ru'].cdk = global['angular-ru'].cdk || {}, global['angular-ru'].cdk.object = {}), global['angular-ru'].cdk.utils));
}(this, (function (exports, utils) { 'use strict';

    function replaceUndefinedOrNull(_, value) {
        return utils.checkValueIsEmpty(value) ? undefined : value;
    }

    function clean(obj) {
        return JSON.parse(JSON.stringify(obj, replaceUndefinedOrNull));
    }

    function checkIsShallowEmpty(definition) {
        return Object.keys(clean(definition !== null && definition !== void 0 ? definition : {})).length === 0;
    }

    function deepClone(value) {
        return utils.isNil(value) ? value : JSON.parse(JSON.stringify(value));
    }

    // eslint-disable-next-line max-lines-per-function
    var deepFreeze = function (value) {
        var isObject = typeof value === 'object' && value !== null;
        var isDate = value instanceof Date;
        var skipFreeze = !isObject || isDate;
        if (skipFreeze) {
            return value;
        }
        Object.freeze(value);
        var oIsFunction = typeof value === 'function';
        var hasOwnProp = Object.prototype.hasOwnProperty;
        // eslint-disable-next-line complexity
        Object.getOwnPropertyNames(value).forEach(function (prop) {
            if (hasOwnProp.call(value, prop) &&
                (oIsFunction ? prop !== 'caller' && prop !== 'callee' && prop !== 'arguments' : true) &&
                value[prop] !== null &&
                (typeof value[prop] === 'object' || typeof value[prop] === 'function') &&
                !Object.isFrozen(value[prop])) {
                deepFreeze(value[prop]);
            }
        });
        return value;
    };

    function firstKey(obj) {
        var _a;
        return (_a = Object.keys(obj !== null && obj !== void 0 ? obj : {})[0]) !== null && _a !== void 0 ? _a : null;
    }

    // eslint-disable-next-line complexity
    function getValueByPath(obj, path, fallback) {
        if (fallback === void 0) { fallback = undefined; }
        var _a, _b, _c;
        if (((_a = path === null || path === void 0 ? void 0 : path.length) !== null && _a !== void 0 ? _a : 0) < 1) {
            return obj;
        }
        var result = obj;
        var parts = (_b = path === null || path === void 0 ? void 0 : path.split('.')) !== null && _b !== void 0 ? _b : [];
        var index = 0;
        for (; utils.isNotNil(result) && index < parts.length; ++index) {
            var localIndex = parts === null || parts === void 0 ? void 0 : parts[index];
            result = (_c = result) === null || _c === void 0 ? void 0 : _c[localIndex];
        }
        return result !== null && result !== void 0 ? result : fallback;
    }

    function instanceOfPlainObject(plainObject) {
        return Object.prototype.toString.call(plainObject) === '[object Object]';
    }

    function isSimpleObject(value) {
        return utils.isNotNil(value) && typeof value == 'object' && instanceOfPlainObject(value);
    }

    function isGetter(obj, prop) {
        var _a;
        var currentObj = obj;
        var result = false;
        if (isSimpleObject(currentObj)) {
            while (currentObj !== null) {
                if (utils.isTrue(currentObj === null || currentObj === void 0 ? void 0 : currentObj.hasOwnProperty(prop))) {
                    result = Boolean((_a = Object.getOwnPropertyDescriptor(currentObj, prop)) === null || _a === void 0 ? void 0 : _a.get);
                    break;
                }
                else {
                    currentObj = Object.getPrototypeOf(currentObj);
                }
            }
        }
        return result;
    }

    function isIterable(value) {
        return utils.isNotNil(value) && typeof value[Symbol.iterator] === 'function';
    }

    function isObject(obj) {
        return obj === Object(obj);
    }

    function isPlainObject(plainObject) {
        var constructorRef;
        var prototypeRef;
        if (!instanceOfPlainObject(plainObject)) {
            return false;
        }
        // If has modified constructor
        // eslint-disable-next-line prefer-const
        constructorRef = plainObject.constructor;
        if (constructorRef === undefined) {
            return true;
        }
        // If has modified prototype
        // eslint-disable-next-line prefer-const
        prototypeRef = constructorRef.prototype;
        if (!instanceOfPlainObject(prototypeRef)) {
            return false;
        }
        // If constructor does not have an Object-specific method
        if (!prototypeRef.hasOwnProperty('isPrototypeOf')) {
            return false;
        }
        // Most likely a plain Object
        return true;
    }

    // eslint-disable-next-line complexity
    function pathsOfObject(value, parentKey, keys) {
        if (parentKey === void 0) { parentKey = null; }
        if (keys === void 0) { keys = []; }
        for (var key in value) {
            if (!value.hasOwnProperty(key)) {
                continue;
            }
            var element = value[key];
            var isObjectValue = typeof element === 'object' && element !== null && !Array.isArray(element);
            // note: don't use isString for preserve circular dependencies
            var implicitKey = typeof parentKey === 'string' ? parentKey + "." + key : key;
            if (isObjectValue) {
                pathsOfObject(value[key], implicitKey, keys);
            }
            else {
                keys.push(implicitKey);
            }
        }
        return keys;
    }

    function replaceWithNull(value) {
        return JSON.parse(JSON.stringify(value, function (_, elem) {
            if (typeof elem === 'object') {
                return elem;
            }
            return utils.checkValueIsEmpty(elem) ? null : elem;
        }));
    }

    function shallowMapObject(object, mapper) {
        var result = {};
        for (var key in object) {
            if (object.hasOwnProperty(key)) {
                result[key] = mapper(object[key], key);
            }
        }
        return result;
    }

    function sortByAsc(key, a, b) {
        if (utils.$any(a === null || a === void 0 ? void 0 : a[key]) > utils.$any(b === null || b === void 0 ? void 0 : b[key])) {
            return 1;
        }
        else {
            return utils.$any(a === null || a === void 0 ? void 0 : a[key]) < utils.$any(b === null || b === void 0 ? void 0 : b[key]) ? -1 : 0;
        }
    }

    function sortByDesc(key, a, b) {
        if (utils.$any(a === null || a === void 0 ? void 0 : a[key]) > utils.$any(b === null || b === void 0 ? void 0 : b[key])) {
            return -1;
        }
        else {
            return utils.$any(a === null || a === void 0 ? void 0 : a[key]) < utils.$any(b === null || b === void 0 ? void 0 : b[key]) ? 1 : 0;
        }
    }

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
    /* global Reflect, Promise */
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b)
                if (Object.prototype.hasOwnProperty.call(b, p))
                    d[p] = b[p]; };
        return extendStatics(d, b);
    };
    function __extends(d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    }
    var __assign = function () {
        __assign = Object.assign || function __assign(t) {
            for (var s, i = 1, n = arguments.length; i < n; i++) {
                s = arguments[i];
                for (var p in s)
                    if (Object.prototype.hasOwnProperty.call(s, p))
                        t[p] = s[p];
            }
            return t;
        };
        return __assign.apply(this, arguments);
    };
    function __rest(s, e) {
        var t = {};
        for (var p in s)
            if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
                t[p] = s[p];
        if (s != null && typeof Object.getOwnPropertySymbols === "function")
            for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
                if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                    t[p[i]] = s[p[i]];
            }
        return t;
    }
    function __decorate(decorators, target, key, desc) {
        var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
        if (typeof Reflect === "object" && typeof Reflect.decorate === "function")
            r = Reflect.decorate(decorators, target, key, desc);
        else
            for (var i = decorators.length - 1; i >= 0; i--)
                if (d = decorators[i])
                    r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
        return c > 3 && r && Object.defineProperty(target, key, r), r;
    }
    function __param(paramIndex, decorator) {
        return function (target, key) { decorator(target, key, paramIndex); };
    }
    function __metadata(metadataKey, metadataValue) {
        if (typeof Reflect === "object" && typeof Reflect.metadata === "function")
            return Reflect.metadata(metadataKey, metadataValue);
    }
    function __awaiter(thisArg, _arguments, P, generator) {
        function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
        return new (P || (P = Promise))(function (resolve, reject) {
            function fulfilled(value) { try {
                step(generator.next(value));
            }
            catch (e) {
                reject(e);
            } }
            function rejected(value) { try {
                step(generator["throw"](value));
            }
            catch (e) {
                reject(e);
            } }
            function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
            step((generator = generator.apply(thisArg, _arguments || [])).next());
        });
    }
    function __generator(thisArg, body) {
        var _ = { label: 0, sent: function () { if (t[0] & 1)
                throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
        return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function () { return this; }), g;
        function verb(n) { return function (v) { return step([n, v]); }; }
        function step(op) {
            if (f)
                throw new TypeError("Generator is already executing.");
            while (_)
                try {
                    if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done)
                        return t;
                    if (y = 0, t)
                        op = [op[0] & 2, t.value];
                    switch (op[0]) {
                        case 0:
                        case 1:
                            t = op;
                            break;
                        case 4:
                            _.label++;
                            return { value: op[1], done: false };
                        case 5:
                            _.label++;
                            y = op[1];
                            op = [0];
                            continue;
                        case 7:
                            op = _.ops.pop();
                            _.trys.pop();
                            continue;
                        default:
                            if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
                                _ = 0;
                                continue;
                            }
                            if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) {
                                _.label = op[1];
                                break;
                            }
                            if (op[0] === 6 && _.label < t[1]) {
                                _.label = t[1];
                                t = op;
                                break;
                            }
                            if (t && _.label < t[2]) {
                                _.label = t[2];
                                _.ops.push(op);
                                break;
                            }
                            if (t[2])
                                _.ops.pop();
                            _.trys.pop();
                            continue;
                    }
                    op = body.call(thisArg, _);
                }
                catch (e) {
                    op = [6, e];
                    y = 0;
                }
                finally {
                    f = t = 0;
                }
            if (op[0] & 5)
                throw op[1];
            return { value: op[0] ? op[1] : void 0, done: true };
        }
    }
    var __createBinding = Object.create ? (function (o, m, k, k2) {
        if (k2 === undefined)
            k2 = k;
        Object.defineProperty(o, k2, { enumerable: true, get: function () { return m[k]; } });
    }) : (function (o, m, k, k2) {
        if (k2 === undefined)
            k2 = k;
        o[k2] = m[k];
    });
    function __exportStar(m, o) {
        for (var p in m)
            if (p !== "default" && !Object.prototype.hasOwnProperty.call(o, p))
                __createBinding(o, m, p);
    }
    function __values(o) {
        var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
        if (m)
            return m.call(o);
        if (o && typeof o.length === "number")
            return {
                next: function () {
                    if (o && i >= o.length)
                        o = void 0;
                    return { value: o && o[i++], done: !o };
                }
            };
        throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
    }
    function __read(o, n) {
        var m = typeof Symbol === "function" && o[Symbol.iterator];
        if (!m)
            return o;
        var i = m.call(o), r, ar = [], e;
        try {
            while ((n === void 0 || n-- > 0) && !(r = i.next()).done)
                ar.push(r.value);
        }
        catch (error) {
            e = { error: error };
        }
        finally {
            try {
                if (r && !r.done && (m = i["return"]))
                    m.call(i);
            }
            finally {
                if (e)
                    throw e.error;
            }
        }
        return ar;
    }
    /** @deprecated */
    function __spread() {
        for (var ar = [], i = 0; i < arguments.length; i++)
            ar = ar.concat(__read(arguments[i]));
        return ar;
    }
    /** @deprecated */
    function __spreadArrays() {
        for (var s = 0, i = 0, il = arguments.length; i < il; i++)
            s += arguments[i].length;
        for (var r = Array(s), k = 0, i = 0; i < il; i++)
            for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
                r[k] = a[j];
        return r;
    }
    function __spreadArray(to, from, pack) {
        if (pack || arguments.length === 2)
            for (var i = 0, l = from.length, ar; i < l; i++) {
                if (ar || !(i in from)) {
                    if (!ar)
                        ar = Array.prototype.slice.call(from, 0, i);
                    ar[i] = from[i];
                }
            }
        return to.concat(ar || Array.prototype.slice.call(from));
    }
    function __await(v) {
        return this instanceof __await ? (this.v = v, this) : new __await(v);
    }
    function __asyncGenerator(thisArg, _arguments, generator) {
        if (!Symbol.asyncIterator)
            throw new TypeError("Symbol.asyncIterator is not defined.");
        var g = generator.apply(thisArg, _arguments || []), i, q = [];
        return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
        function verb(n) { if (g[n])
            i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
        function resume(n, v) { try {
            step(g[n](v));
        }
        catch (e) {
            settle(q[0][3], e);
        } }
        function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
        function fulfill(value) { resume("next", value); }
        function reject(value) { resume("throw", value); }
        function settle(f, v) { if (f(v), q.shift(), q.length)
            resume(q[0][0], q[0][1]); }
    }
    function __asyncDelegator(o) {
        var i, p;
        return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
        function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; }
    }
    function __asyncValues(o) {
        if (!Symbol.asyncIterator)
            throw new TypeError("Symbol.asyncIterator is not defined.");
        var m = o[Symbol.asyncIterator], i;
        return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
        function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
        function settle(resolve, reject, d, v) { Promise.resolve(v).then(function (v) { resolve({ value: v, done: d }); }, reject); }
    }
    function __makeTemplateObject(cooked, raw) {
        if (Object.defineProperty) {
            Object.defineProperty(cooked, "raw", { value: raw });
        }
        else {
            cooked.raw = raw;
        }
        return cooked;
    }
    ;
    var __setModuleDefault = Object.create ? (function (o, v) {
        Object.defineProperty(o, "default", { enumerable: true, value: v });
    }) : function (o, v) {
        o["default"] = v;
    };
    function __importStar(mod) {
        if (mod && mod.__esModule)
            return mod;
        var result = {};
        if (mod != null)
            for (var k in mod)
                if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k))
                    __createBinding(result, mod, k);
        __setModuleDefault(result, mod);
        return result;
    }
    function __importDefault(mod) {
        return (mod && mod.__esModule) ? mod : { default: mod };
    }
    function __classPrivateFieldGet(receiver, state, kind, f) {
        if (kind === "a" && !f)
            throw new TypeError("Private accessor was defined without a getter");
        if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver))
            throw new TypeError("Cannot read private member from an object whose class did not declare it");
        return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
    }
    function __classPrivateFieldSet(receiver, state, value, kind, f) {
        if (kind === "m")
            throw new TypeError("Private method is not writable");
        if (kind === "a" && !f)
            throw new TypeError("Private accessor was defined without a setter");
        if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver))
            throw new TypeError("Cannot write private member to an object whose class did not declare it");
        return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
    }

    function unwrap(target, options) {
        return Object.keys(target)
            .sort()
            .reduce(function (accumulator, key) {
            var _a;
            return deepObjectReduce({
                key: key,
                accumulator: accumulator,
                targetValue: (_a = target) === null || _a === void 0 ? void 0 : _a[key],
                options: options
            });
        }, {});
    }
    function flatten(object, excludeKeys) {
        if (excludeKeys === void 0) { excludeKeys = []; }
        var depthGraph = {};
        for (var key in object) {
            if (object.hasOwnProperty(key) && !excludeKeys.includes(key)) {
                mutate(object, depthGraph, key);
            }
        }
        return depthGraph;
    }
    function mutate(object, depthGraph, key) {
        var isObjectLike = typeof object[key] === 'object' && object[key] !== null;
        if (isObjectLike) {
            var flatObject = flatten(object[key]);
            for (var path in flatObject) {
                if (flatObject.hasOwnProperty(path)) {
                    depthGraph[key + "." + path] = flatObject[path];
                }
            }
        }
        else {
            depthGraph[key] = object[key];
        }
    }
    function deepObjectReduce(_b) {
        var accumulator = _b.accumulator, key = _b.key, targetValue = _b.targetValue, options = _b.options;
        var value = targetValue;
        if (utils.isTrue(options.weekType)) {
            var isComplexType = typeof targetValue === 'object' && targetValue !== null;
            value = isComplexType ? targetValue : String(utils.checkValueIsEmpty(targetValue) ? null : targetValue);
        }
        accumulator[key] = getComparableValue(options, value);
        return accumulator;
    }
    function comparable(target, options) {
        if (options === void 0) { options = {}; }
        var result = target;
        if (!isObject(result)) {
            return result;
        }
        if (Array.isArray(target)) {
            result = target.map(function (value) { return getComparableValue(options, value); });
        }
        else {
            result = unwrap(target, options);
        }
        return result;
    }
    function objectToString(obj, options) {
        if (options === void 0) { options = {}; }
        return JSON.stringify(comparable(obj, options));
    }
    function equals(a, b, options) {
        if (options === void 0) { options = {}; }
        return objectToString(a, options) === objectToString(b, options);
    }
    function shallowTrimProperties(obj) {
        return Object.entries(obj).reduce(function (result, _b) {
            var _c = __read(_b, 2), key = _c[0], value = _c[1];
            // note: don't use isString for preserve circular dependencies
            result[key] = typeof value === 'string' ? value.trim() : value;
            return result;
        }, {});
    }
    function strictEquals(a, b) {
        var options = { weekType: true, deep: true };
        return objectToString(a, options) === objectToString(b, options);
    }
    function getComparableValue(options, value) {
        return utils.isTrue(options.deep) ? comparable(value, options) : value;
    }

    /**
     * Generated bundle index. Do not edit.
     */

    exports.checkIsShallowEmpty = checkIsShallowEmpty;
    exports.clean = clean;
    exports.comparable = comparable;
    exports.deepClone = deepClone;
    exports.deepFreeze = deepFreeze;
    exports.deepObjectReduce = deepObjectReduce;
    exports.equals = equals;
    exports.firstKey = firstKey;
    exports.flatten = flatten;
    exports.getComparableValue = getComparableValue;
    exports.getValueByPath = getValueByPath;
    exports.isGetter = isGetter;
    exports.isIterable = isIterable;
    exports.isObject = isObject;
    exports.isPlainObject = isPlainObject;
    exports.isSimpleObject = isSimpleObject;
    exports.mutate = mutate;
    exports.objectToString = objectToString;
    exports.pathsOfObject = pathsOfObject;
    exports.replaceWithNull = replaceWithNull;
    exports.shallowMapObject = shallowMapObject;
    exports.shallowTrimProperties = shallowTrimProperties;
    exports.sortByAsc = sortByAsc;
    exports.sortByDesc = sortByDesc;
    exports.strictEquals = strictEquals;
    exports.unwrap = unwrap;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=angular-ru-cdk-object.umd.js.map
