Run results for: Ramda vs Native (after TS)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.103 Safari/537.36 Vivaldi/2.1.1337.47

Browser: Chrome 70

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Native	118512.3 Ops/sec
R	106475.6 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.22.1/ramda.min.js"></script>
<script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script>

Script Preparation code:

var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var state = {
    channel: {
        '102': {
            data: {
                id: 102,
                isFavorite: false,
                name: '102',
            },
        },
    },
};
var payload = [
    {
        id: 100,
        isFavorite: false,
        name: '100',
    },
    {
        id: 101,
        isFavorite: true,
        name: '101',
    }
];
var omitStoreEntities = function (entity) { return _.omit(entity, ['isFavorite', 'position']); };
function nativeJS() {
    var mapped = payload.reduce(function (acc, channel) {
        var _a;
        return (__assign({}, acc, (_a = {}, _a[channel.id] = {
            data: omitStoreEntities(channel),
            status: 'loaded',
            error: null,
        }, _a)));
    }, {});
    return __assign({}, state, mapped);
}
var setChannel = R.compose(R.assoc, R.toString);
function ramdaF() {
    return R.compose(R.merge(state), R.reduce(function (acc, channel) {
        return setChannel(channel.id)({
            data: omitStoreEntities(channel),
            status: 'loaded',
            error: null,
        }, acc);
    }, {}))(payload);
}
;

Tests:

Native
nativeJS()
R
ramdaF()