258 lines
34 KiB
JavaScript
258 lines
34 KiB
JavaScript
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export class ObjectUtils {
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static isArray(value, empty = true) {
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return Array.isArray(value) && (empty || value.length !== 0);
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}
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static isObject(value, empty = true) {
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return typeof value === 'object' && !Array.isArray(value) && value != null && (empty || Object.keys(value).length !== 0);
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}
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static equals(obj1, obj2, field) {
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if (field)
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return this.resolveFieldData(obj1, field) === this.resolveFieldData(obj2, field);
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else
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return this.equalsByValue(obj1, obj2);
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}
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static equalsByValue(obj1, obj2) {
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if (obj1 === obj2)
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return true;
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if (obj1 && obj2 && typeof obj1 == 'object' && typeof obj2 == 'object') {
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var arrA = Array.isArray(obj1), arrB = Array.isArray(obj2), i, length, key;
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if (arrA && arrB) {
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length = obj1.length;
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if (length != obj2.length)
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return false;
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for (i = length; i-- !== 0;)
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if (!this.equalsByValue(obj1[i], obj2[i]))
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return false;
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return true;
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}
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if (arrA != arrB)
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return false;
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var dateA = this.isDate(obj1), dateB = this.isDate(obj2);
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if (dateA != dateB)
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return false;
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if (dateA && dateB)
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return obj1.getTime() == obj2.getTime();
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var regexpA = obj1 instanceof RegExp, regexpB = obj2 instanceof RegExp;
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if (regexpA != regexpB)
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return false;
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if (regexpA && regexpB)
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return obj1.toString() == obj2.toString();
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var keys = Object.keys(obj1);
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length = keys.length;
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if (length !== Object.keys(obj2).length)
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return false;
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for (i = length; i-- !== 0;)
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if (!Object.prototype.hasOwnProperty.call(obj2, keys[i]))
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return false;
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for (i = length; i-- !== 0;) {
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key = keys[i];
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if (!this.equalsByValue(obj1[key], obj2[key]))
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return false;
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}
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return true;
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}
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return obj1 !== obj1 && obj2 !== obj2;
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}
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static resolveFieldData(data, field) {
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if (data && field) {
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if (this.isFunction(field)) {
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return field(data);
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}
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else if (field.indexOf('.') == -1) {
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return data[field];
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}
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else {
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let fields = field.split('.');
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let value = data;
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for (let i = 0, len = fields.length; i < len; ++i) {
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if (value == null) {
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return null;
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}
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value = value[fields[i]];
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}
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return value;
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}
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}
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else {
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return null;
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}
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}
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static isFunction(obj) {
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return !!(obj && obj.constructor && obj.call && obj.apply);
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}
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static reorderArray(value, from, to) {
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let target;
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if (value && from !== to) {
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if (to >= value.length) {
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to %= value.length;
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from %= value.length;
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}
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value.splice(to, 0, value.splice(from, 1)[0]);
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}
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}
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static insertIntoOrderedArray(item, index, arr, sourceArr) {
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if (arr.length > 0) {
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let injected = false;
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for (let i = 0; i < arr.length; i++) {
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let currentItemIndex = this.findIndexInList(arr[i], sourceArr);
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if (currentItemIndex > index) {
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arr.splice(i, 0, item);
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injected = true;
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break;
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}
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}
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if (!injected) {
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arr.push(item);
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}
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}
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else {
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arr.push(item);
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}
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}
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static findIndexInList(item, list) {
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let index = -1;
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if (list) {
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for (let i = 0; i < list.length; i++) {
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if (list[i] == item) {
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index = i;
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break;
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}
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}
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}
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return index;
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}
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static contains(value, list) {
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if (value != null && list && list.length) {
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for (let val of list) {
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if (this.equals(value, val))
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return true;
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}
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}
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return false;
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}
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static removeAccents(str) {
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if (str) {
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str = str.normalize('NFKD').replace(/\p{Diacritic}/gu, '');
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}
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return str;
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}
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static isDate(input) {
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return Object.prototype.toString.call(input) === '[object Date]';
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}
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static isEmpty(value) {
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return value === null || value === undefined || value === '' || (Array.isArray(value) && value.length === 0) || (!this.isDate(value) && typeof value === 'object' && Object.keys(value).length === 0);
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}
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static isNotEmpty(value) {
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return !this.isEmpty(value);
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}
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static compare(value1, value2, locale, order = 1) {
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let result = -1;
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const emptyValue1 = this.isEmpty(value1);
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const emptyValue2 = this.isEmpty(value2);
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if (emptyValue1 && emptyValue2)
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result = 0;
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else if (emptyValue1)
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result = order;
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else if (emptyValue2)
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result = -order;
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else if (typeof value1 === 'string' && typeof value2 === 'string')
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result = value1.localeCompare(value2, locale, { numeric: true });
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else
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result = value1 < value2 ? -1 : value1 > value2 ? 1 : 0;
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return result;
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}
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static sort(value1, value2, order = 1, locale, nullSortOrder = 1) {
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const result = ObjectUtils.compare(value1, value2, locale, order);
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let finalSortOrder = order;
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// nullSortOrder == 1 means Excel like sort nulls at bottom
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if (ObjectUtils.isEmpty(value1) || ObjectUtils.isEmpty(value2)) {
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finalSortOrder = nullSortOrder === 1 ? order : nullSortOrder;
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}
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return finalSortOrder * result;
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}
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static merge(obj1, obj2) {
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if (obj1 == undefined && obj2 == undefined) {
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return undefined;
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}
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else if ((obj1 == undefined || typeof obj1 === 'object') && (obj2 == undefined || typeof obj2 === 'object')) {
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return { ...(obj1 || {}), ...(obj2 || {}) };
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}
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else if ((obj1 == undefined || typeof obj1 === 'string') && (obj2 == undefined || typeof obj2 === 'string')) {
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return [obj1 || '', obj2 || ''].join(' ');
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}
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return obj2 || obj1;
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}
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static isPrintableCharacter(char = '') {
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return this.isNotEmpty(char) && char.length === 1 && char.match(/\S| /);
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}
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static getItemValue(obj, ...params) {
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return this.isFunction(obj) ? obj(...params) : obj;
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}
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static findLastIndex(arr, callback) {
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let index = -1;
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if (this.isNotEmpty(arr)) {
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try {
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index = arr.findLastIndex(callback);
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}
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catch {
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index = arr.lastIndexOf([...arr].reverse().find(callback));
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}
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}
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return index;
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}
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static findLast(arr, callback) {
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let item;
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if (this.isNotEmpty(arr)) {
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try {
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item = arr.findLast(callback);
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}
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catch {
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item = [...arr].reverse().find(callback);
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}
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}
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return item;
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}
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static deepEquals(a, b) {
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if (a === b)
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return true;
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if (a && b && typeof a == 'object' && typeof b == 'object') {
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var arrA = Array.isArray(a), arrB = Array.isArray(b), i, length, key;
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if (arrA && arrB) {
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length = a.length;
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if (length != b.length)
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return false;
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for (i = length; i-- !== 0;)
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if (!this.deepEquals(a[i], b[i]))
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return false;
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return true;
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}
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if (arrA != arrB)
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return false;
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var dateA = a instanceof Date, dateB = b instanceof Date;
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if (dateA != dateB)
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return false;
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if (dateA && dateB)
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return a.getTime() == b.getTime();
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var regexpA = a instanceof RegExp, regexpB = b instanceof RegExp;
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if (regexpA != regexpB)
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return false;
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if (regexpA && regexpB)
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return a.toString() == b.toString();
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var keys = Object.keys(a);
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length = keys.length;
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if (length !== Object.keys(b).length)
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return false;
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for (i = length; i-- !== 0;)
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if (!Object.prototype.hasOwnProperty.call(b, keys[i]))
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return false;
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for (i = length; i-- !== 0;) {
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key = keys[i];
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if (!this.deepEquals(a[key], b[key]))
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return false;
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}
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return true;
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}
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return a !== a && b !== b;
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}
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}
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