@medusajs/utils
Version:
Medusa utilities functions shared by Medusa core and Modules
71 lines • 2.46 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.deepCopy = deepCopy;
const is_object_1 = require("./is-object");
const util = __importStar(require("node:util"));
/**
* In most casees, JSON.parse(JSON.stringify(obj)) is enough to deep copy an object.
* But in some cases, it's not enough. For example, if the object contains a function or a proxy, it will be lost after JSON.parse(JSON.stringify(obj)).
*
* @param obj
* @param cache
*/
function deepCopy(obj, cache = new WeakMap()) {
if (obj === null || typeof obj !== "object") {
return obj;
}
// Handle circular references with cache
if (cache.has(obj)) {
return cache.get(obj);
}
let copy;
// Handle arrays
if (Array.isArray(obj)) {
copy = [];
cache.set(obj, copy) // Add to cache before recursing
;
obj.forEach((item, index) => {
;
copy[index] = deepCopy(item, cache);
});
return copy;
}
// Handle objects
if ((0, is_object_1.isObject)(obj)) {
if (util.types.isProxy(obj)) {
return obj;
}
copy = {};
cache.set(obj, copy); // Add to cache before recursing
Object.keys(obj).forEach((key) => {
;
copy[key] = deepCopy(obj[key], cache);
});
return copy;
}
return obj;
}
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