cloneDeep

cloneDeep<T>(params): T

Defined in: objects/clone-deep/index.ts:78

Creates a deep clone of a value.

Handles plain objects, arrays, dates, regexes, maps, sets, typed arrays, array buffers, errors, and circular references. Functions are copied by reference.

Type Parameters

T

T

Parameters

params

CloneDeepParams<T>

The parameters object

Returns

T

A deep clone of the value

Example

const original = { a: { b: [1, 2] }, date: new Date() };
const cloned = cloneDeep({ value: original });

cloned.a.b.push(3);
original.a.b; // [1, 2] — unaffected

Keywords

deep clone, deep copy, clone object, copy object, structuredClone alternative

See

structuredClone - native alternative that fails on classes, functions, and DOM nodes