Run results for: Lodash vs rama vs pure

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
ramda	89452.9 Ops/sec
lodash	361113.8 Ops/sec
pure	612627.8 Ops/sec
pure 2	703583.6 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.26.1/ramda.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>

Script Preparation code:

var data = {x: {y:'something', z: 'somethingElse'}, a: {c: 'whatyp'}};

Tests:

ramda
let result = R.compose( R.assocPath(['a', 'b'], 'bye-world'), R.assocPath(['x', 'y'], 'hello-world') )(data);
lodash
let result = _.chain(data) .set(['x', 'y'], 'hello-world') .set(['a', 'b'], 'bye-world')
pure
let result = { ...data, x: { ...data.x, y: 'hello-world' }, a: { ...data.a, b: 'bye-world' } }
pure 2
data.x.y = 'hello-world' data.a.b = 'bye-world' let result = data;

Run results for: Lodash vs rama vs pure

ramda

lodash

pure

pure 2