Object
clone

clone

Returns a deep clone of Object, Array, Map, Set and Date.

Import

import { clone } from '@fullstacksjs/toolbox';

Signature

function clone<T>(value: T): T;

Examples

const object = {
  a: 1,
  b: {
    c: 2,
    d: {
      e: 3,
    },
  },
};
 
const clonedObject = clone(object);
console.log(object === clonedObject); // false
console.log(object.b.d === clonedObject.b.d); // false
 
const date = new Date();
const clonedDate = clone(date);
console.log(date === clonedDate); // false
 
const array = ['a', ['b', ['c', ['d']]]];
const clonedArray = clone(array);
console.log(array === clonedArray); // false
console.log(array[1][1][1] === clonedArray[1][1][1]); // false
 
const mapCollection = new Map([
  ['a', 1],
  ['b', 2],
  ['c', { d: { e: { f: 1 } } }],
]);
const clonedMapCollection = clone(mapCollection);
console.log(mapCollection === clonedMapCollection); // false
console.log(mapCollection.get('c').d.e === clonedMapCollection.get('c').d.e); // false
 
const setCollection = new Set([1, 2, 3, 4]);
const clonedSetCollection = clone(setCollection);
console.log(setCollection === clonedSetCollection); // false
Objectmerge