src/utils/deepClone.js

   1 // Function to deep clone an object or array
   2 function deepClone(obj, isFullObject) {
   3   if (typeof obj !== "object" || obj === null) return obj;
   4
   5   const cache = new Map();
   6
   7   const recurse = (item) => {
   8     if (typeof item !== "object" || item === null) return item;
   9
  10     if (cache.has(item)) return cache.get(item);
  11
  12     const clone = Array.isArray(item)
  13       ? []
  14       : isFullObject
  15         ? {}
  16         : Object.create(null);
  17     cache.set(item, clone);
  18
  19     if (Array.isArray(item)) {
  20       for (let i = 0; i < item.length; i++) {
  21         clone[i] = recurse(item[i]);
  22       }
  23     } else {
  24       Object.keys(item).forEach((key) => {
  25         clone[key] = recurse(item[key]);
  26       });
  27     }
  28
  29     return clone;
  30   };
  31
  32   return recurse(obj);
  33 }
  34
  35 module.exports = deepClone;