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Run results for:
Deep merge lodash vs ramda vs deepmerge - concat arrays
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=564265" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Lodash.merge
72K/s
deepmerge
34K/s
Ramda.mergeDeepWith
0/s
View exact numbers
Test name
Executions per second
✓
Lodash.merge
72,470 Ops/sec
deepmerge
34,473 Ops/sec
Ramda.mergeDeepWith
0 Ops/sec
HTML Preparation code:
<script src="//cdn.jsdelivr.net/npm/ramda@latest/dist/ramda.min.js"></script> <script src="https://raw.githubusercontent.com/lodash/lodash/4.17.15-npm/lodash.js"></script> <script src="https://unpkg.com/deepmerge/dist/umd.js"></script>
Script Preparation code:
var obj1 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Blueberry" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0002", "type": "donut", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "donut", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Regular" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ] var obj2 = [ { "id": "0001", "type": "donut", "name": "Cake", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" }, { "id": "1003", "type": "Overwritten" }, { "id": "1004", "type": "Devil's Food" } ] }, "topping": [ { "id": "5001", "type": "Overwritten" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5007", "type": "Powdered Sugar" }, { "id": "5006", "type": "Chocolate with Sprinkles" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Overwritten" } ] }, { "id": "0002", "type": "Overwritten", "name": "Raised", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Overwritten" }, { "id": "5005", "type": "Sugar" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] }, { "id": "0003", "type": "Overwritten", "name": "Old Fashioned", "ppu": 0.55, "batters": { "batter": [ { "id": "1001", "type": "Overwritten" }, { "id": "1002", "type": "Chocolate" } ] }, "topping": [ { "id": "5001", "type": "None" }, { "id": "5002", "type": "Glazed" }, { "id": "5003", "type": "Chocolate" }, { "id": "5004", "type": "Maple" } ] } ]
Tests:
Ramda.mergeDeepWith
R.mergeDeepWith(R.concat, obj1, obj2)
Lodash.merge
_.merge(obj1, obj2)
deepmerge
deepmerge(obj1, obj2)