Run results for: mergeDeepRight vs _.cloneDeep vs structuredClone vs spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
R.mergeDeepRight	1912905.1 Ops/sec
Lodash cloneDeep	668788.2 Ops/sec
structuredClone	481121.3 Ops/sec
Spread operator	15957545.0 Ops/sec
Object.assign	3554948.8 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.29.0/ramda.min.js" integrity="sha512-5x/n+aOg68Z+O/mq3LW2pC2CvEBSgLl5aLlOJa87AlYM1K8b8qsZ7NTHLe3Hu56aS2W0rgEgVCFA3RM12IXAGw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Script Preparation code:

var voucher = {
    "single": false,
    "applyOverTaxes": false,
    "discountType": "1",
    "value": 100,
    "minimumAmount": 0,
    "quantity": 1,
    "suffixLength": 8,
    "code": "IF5R0AFX",
    "vertical": [],
    "allowedPaymentMethods": [],
    "allowedBanks": [],
    "types": [],
    "partners": [],
    "startDate": "2020-10-21T00:00:00.000Z",
    "endDate": "2020-10-21T00:00:00.000Z",
    "applyed": false
}

Tests:

R.mergeDeepRight
const copy = R.mergeDeepRight({}, voucher);
Lodash cloneDeep
const copy = _.cloneDeep(voucher);
structuredClone
const copy = window.structuredClone(voucher);
Spread operator
const copy = { ...voucher };
Object.assign
const copy = Object.assign({}, voucher );

Run results for: mergeDeepRight vs _.cloneDeep vs structuredClone vs spread

R.mergeDeepRight

Lodash cloneDeep

structuredClone

Spread operator

Object.assign