fast-clone
Advanced tools
The fastest deep cloning function on NPM that supports the following types:
Average runtime of various NPM clone libraries on a large complex object loaded from json files of varying sizes ranging from 3.5 MB to 15 MB.
| Library | 7.15 MB |
|---|---|
| ✔ fast-clone | 120 ms |
| ✘ deepClone | 138 ms |
| ✘ lodash.cloneDeep | 155 ms |
| ✘ snapshot | 1,127 ms |
| ✘ angular.copy | 1,942 ms |
| ✘ clone | 2,085 ms |
npm install fast-clone --save
yarn add fast-clone
Fast-clone is a UMD module so you can use it in Node.js, or in Browser either using Browserfy/Webpack, or by using the global clone function if not using a module loader.
import clone = require('fast-clone');
const clone = require('fast-clone');
const a = {
name: 'Natasha Rominov',
age: 30,
skills: [
'Pistols',
'Espionage'
],
dateOfBirth: new Date('1986-05-21T00:00:00.000Z')
};
const b = clone(a);
b.skills.push('That grabby thing she does with her legs');
console.log(a.skills)
console.log(b.skills);
Output will be:
['Pistols', 'Espionage']
['Pistols', 'Espionage', 'That grabby thing she does with her legs']
Got an issue or a feature request? Log it.
Pull-requests are also welcome. 😸
FAQs
Extremely fast deep cloning function
The npm package fast-clone receives a total of 7,997 weekly downloads. As such, fast-clone popularity was classified as popular.
We found that fast-clone demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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