Run results for: Builder pattern extend

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Spread

3.7M/s

Object.assign

2.1M/s

Build

1.4M/s

View exact numbers

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/builder-pattern@2.2.0/dist/index.min.js'></script>

Script Preparation code:

const defaultUserInfo = {
    id: 1,
    userName: 'foo',
    email: 'foo@bar.baz'
};

Tests:

Build
const modifiedUserInfo = Builder(defaultUserInfo) .id(2) .build();
Spread
const modifiedUserInfo = {...defaultUserInfo, id: 2};
Object.assign
const modifiedUserInfo = Object.assign({}, defaultUserInfo, {id: 2});