Run results for: Set (Lodash vs Lodash/fp vs Immutable) comp. test

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
native (mutations)	5994754.5 Ops/sec
lodash (mutations)	6403374.0 Ops/sec
lodash/fp	1229610.1 Ops/sec
immutable	3142573.8 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/g/lodash@4(lodash.min.js+lodash.fp.min.js)'></script>
<script type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/immutable/5.0.0-beta.4/immutable.min.js'></script>

Script Preparation code:

var fp = _.noConflict();
var im = Immutable;

var original = { x: { y: { z: 123 }}};

function pureJs(obj, path, value) {
    const keys = Object.keys(path);
    let current = obj;

    for (let i = 0; i < keys.length - 1; i++) {
        const key = keys[i];
        if (!current[key]) {
            current[key] = {};
        }
        current = current[key];
    }

    current[keys[keys.length - 1]] = value;
}

Tests:

native (mutations)
pureJs(original, ['x', 'y', 'z'], 456)
lodash (mutations)
_.set(original, ['x', 'y', 'z'], 456)
lodash/fp
fp.set(original, ['x', 'y', 'z'], 456)
immutable
im.setIn(original, ['x', 'y', 'z'], 456)

Run results for: Set (Lodash vs Lodash/fp vs Immutable) comp. test

native (mutations)

lodash (mutations)

lodash/fp

immutable