293 lines
7.1 KiB
JavaScript
293 lines
7.1 KiB
JavaScript
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(function (root, factory){
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'use strict';
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/*istanbul ignore next:cant test*/
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if (typeof module === 'object' && typeof module.exports === 'object') {
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module.exports = factory();
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} else if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define([], factory);
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} else {
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// Browser globals
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root.objectPath = factory();
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}
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})(this, function(){
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'use strict';
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var toStr = Object.prototype.toString;
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function hasOwnProperty(obj, prop) {
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if(obj == null) {
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return false
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}
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//to handle objects with null prototypes (too edge case?)
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return Object.prototype.hasOwnProperty.call(obj, prop)
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}
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function isEmpty(value){
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if (!value) {
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return true;
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}
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if (isArray(value) && value.length === 0) {
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return true;
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} else if (typeof value !== 'string') {
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for (var i in value) {
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if (hasOwnProperty(value, i)) {
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return false;
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}
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}
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return true;
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}
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return false;
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}
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function toString(type){
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return toStr.call(type);
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}
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function isObject(obj){
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return typeof obj === 'object' && toString(obj) === "[object Object]";
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}
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var isArray = Array.isArray || function(obj){
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/*istanbul ignore next:cant test*/
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return toStr.call(obj) === '[object Array]';
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}
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function isBoolean(obj){
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return typeof obj === 'boolean' || toString(obj) === '[object Boolean]';
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}
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function getKey(key){
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var intKey = parseInt(key);
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if (intKey.toString() === key) {
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return intKey;
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}
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return key;
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}
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function factory(options) {
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options = options || {}
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var objectPath = function(obj) {
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return Object.keys(objectPath).reduce(function(proxy, prop) {
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if(prop === 'create') {
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return proxy;
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}
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/*istanbul ignore else*/
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if (typeof objectPath[prop] === 'function') {
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proxy[prop] = objectPath[prop].bind(objectPath, obj);
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}
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return proxy;
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}, {});
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};
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function hasShallowProperty(obj, prop) {
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return (options.includeInheritedProps || (typeof prop === 'number' && Array.isArray(obj)) || hasOwnProperty(obj, prop))
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}
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function getShallowProperty(obj, prop) {
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if (hasShallowProperty(obj, prop)) {
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return obj[prop];
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}
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}
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function set(obj, path, value, doNotReplace){
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if (typeof path === 'number') {
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path = [path];
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}
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if (!path || path.length === 0) {
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return obj;
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}
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if (typeof path === 'string') {
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return set(obj, path.split('.').map(getKey), value, doNotReplace);
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}
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var currentPath = path[0];
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var currentValue = getShallowProperty(obj, currentPath);
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if (path.length === 1) {
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if (currentValue === void 0 || !doNotReplace) {
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obj[currentPath] = value;
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}
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return currentValue;
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}
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if (currentValue === void 0) {
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//check if we assume an array
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if(typeof path[1] === 'number') {
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obj[currentPath] = [];
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} else {
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obj[currentPath] = {};
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}
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}
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return set(obj[currentPath], path.slice(1), value, doNotReplace);
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}
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objectPath.has = function (obj, path) {
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if (typeof path === 'number') {
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path = [path];
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} else if (typeof path === 'string') {
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path = path.split('.');
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}
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if (!path || path.length === 0) {
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return !!obj;
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}
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for (var i = 0; i < path.length; i++) {
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var j = getKey(path[i]);
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if((typeof j === 'number' && isArray(obj) && j < obj.length) ||
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(options.includeInheritedProps ? (j in Object(obj)) : hasOwnProperty(obj, j))) {
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obj = obj[j];
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} else {
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return false;
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}
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}
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return true;
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};
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objectPath.ensureExists = function (obj, path, value){
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return set(obj, path, value, true);
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};
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objectPath.set = function (obj, path, value, doNotReplace){
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return set(obj, path, value, doNotReplace);
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};
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objectPath.insert = function (obj, path, value, at){
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var arr = objectPath.get(obj, path);
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at = ~~at;
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if (!isArray(arr)) {
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arr = [];
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objectPath.set(obj, path, arr);
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}
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arr.splice(at, 0, value);
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};
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objectPath.empty = function(obj, path) {
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if (isEmpty(path)) {
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return void 0;
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}
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if (obj == null) {
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return void 0;
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}
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var value, i;
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if (!(value = objectPath.get(obj, path))) {
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return void 0;
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}
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if (typeof value === 'string') {
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return objectPath.set(obj, path, '');
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} else if (isBoolean(value)) {
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return objectPath.set(obj, path, false);
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} else if (typeof value === 'number') {
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return objectPath.set(obj, path, 0);
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} else if (isArray(value)) {
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value.length = 0;
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} else if (isObject(value)) {
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for (i in value) {
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if (hasShallowProperty(value, i)) {
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delete value[i];
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}
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}
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} else {
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return objectPath.set(obj, path, null);
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}
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};
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objectPath.push = function (obj, path /*, values */){
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var arr = objectPath.get(obj, path);
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if (!isArray(arr)) {
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arr = [];
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objectPath.set(obj, path, arr);
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}
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arr.push.apply(arr, Array.prototype.slice.call(arguments, 2));
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};
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objectPath.coalesce = function (obj, paths, defaultValue) {
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var value;
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for (var i = 0, len = paths.length; i < len; i++) {
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if ((value = objectPath.get(obj, paths[i])) !== void 0) {
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return value;
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}
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}
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return defaultValue;
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};
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objectPath.get = function (obj, path, defaultValue){
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if (typeof path === 'number') {
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path = [path];
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}
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if (!path || path.length === 0) {
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return obj;
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}
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if (obj == null) {
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return defaultValue;
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}
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if (typeof path === 'string') {
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return objectPath.get(obj, path.split('.'), defaultValue);
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}
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var currentPath = getKey(path[0]);
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var nextObj = getShallowProperty(obj, currentPath)
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if (nextObj === void 0) {
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return defaultValue;
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}
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if (path.length === 1) {
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return nextObj;
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}
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return objectPath.get(obj[currentPath], path.slice(1), defaultValue);
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};
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objectPath.del = function del(obj, path) {
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if (typeof path === 'number') {
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path = [path];
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}
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if (obj == null) {
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return obj;
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}
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if (isEmpty(path)) {
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return obj;
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}
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if(typeof path === 'string') {
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return objectPath.del(obj, path.split('.'));
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}
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var currentPath = getKey(path[0]);
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if (!hasShallowProperty(obj, currentPath)) {
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return obj;
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}
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if(path.length === 1) {
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if (isArray(obj)) {
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obj.splice(currentPath, 1);
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} else {
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delete obj[currentPath];
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}
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} else {
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return objectPath.del(obj[currentPath], path.slice(1));
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}
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return obj;
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}
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return objectPath;
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}
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var mod = factory();
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mod.create = factory;
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mod.withInheritedProps = factory({includeInheritedProps: true})
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return mod;
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});
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