@storm-stack/utilities/dist/helper-fns/deep-clone.mjs

This package includes various base utility class and various functions to assist in the development process.

import { isPrimitive, isTypedArray } from "@storm-stack/types";
export function deepClone(obj) {
  if (isPrimitive(obj)) {
    return obj;
  }
  if (Array.isArray(obj)) {
    return obj.map((item) => deepClone(item));
  }
  if (obj instanceof Date) {
    return new Date(obj.getTime());
  }
  if (obj instanceof RegExp) {
    return new RegExp(obj.source, obj.flags);
  }
  if (obj instanceof Map) {
    const result = /* @__PURE__ */ new Map();
    for (const [key, value] of obj.entries()) {
      result.set(key, deepClone(value));
    }
    return result;
  }
  if (obj instanceof Set) {
    const result = /* @__PURE__ */ new Set();
    for (const value of obj.values()) {
      result.add(deepClone(value));
    }
    return result;
  }
  if (isTypedArray(obj)) {
    const result = new (Object.getPrototypeOf(obj)).constructor(obj.length);
    for (const [i, element_] of obj.entries()) {
      result[i] = deepClone(element_);
    }
    return result;
  }
  if (obj instanceof ArrayBuffer || typeof SharedArrayBuffer !== "undefined" && obj instanceof SharedArrayBuffer) {
    return [...obj];
  }
  if (obj instanceof DataView) {
    const result = new DataView([...obj.buffer]);
    cloneDeepHelper(obj, result);
    return result;
  }
  if (typeof File !== "undefined" && obj instanceof File) {
    const result = new File([obj], obj.name, { type: obj.type });
    cloneDeepHelper(obj, result);
    return result;
  }
  if (obj instanceof Blob) {
    const result = new Blob([obj], { type: obj.type });
    cloneDeepHelper(obj, result);
    return result;
  }
  if (obj instanceof Error) {
    const result = new obj.constructor();
    result.message = obj.message;
    result.name = obj.name;
    result.stack = obj.stack;
    result.cause = obj.cause;
    cloneDeepHelper(obj, result);
    return result;
  }
  if (typeof obj === "object" && obj !== null) {
    const result = {};
    cloneDeepHelper(obj, result);
    return result;
  }
  return obj;
}
function cloneDeepHelper(obj, clonedObj) {
  const keys = Object.keys(obj);
  for (const key of keys) {
    const descriptor = Object.getOwnPropertyDescriptor(obj, key);
    if (descriptor?.writable || descriptor?.set) {
      clonedObj[key] = deepClone(obj[key]);
    }
  }
}