Benchmark: ALY js vs lodash

Script Preparation code:
import { flatMap, groupBy, mapValues } from 'lodash';
const data = [
    {
        "id": "HUB:SEA:07244d185647df49a",
        "podType": "ACCOUNT_EXECUTIVE_TO_SALES_DEVELOPER",
        "primarySeats": [
            {
                "managerUserLdap": "ehazlehu",
                "managerSeatName": "MS-EMEA-Mgr-HUB-STG-002147",
                "managerUserName": "Emma Hazlehurst",
                "managerSeatId": "HUB:SEA:07244d185647df75b",
                "userLdap": "ahartle",
                "userLevel": "AE4",
                "userName": "Annabel Hartle",
                "seatName": "LTS-EMEA-AE4-HUB-STG-000001",
                "seatId": "HUB:SEA:07244d185647df515",
                "podId": "hub:pod:16fa6c18b93ad09e5",
                "isPodDeleted": false,
                "startDate": "2023-11-03",
                "endDate": "2123-11-03",
                "__typename": "PrimarySeatInfo"
            }
        ],
        "secondarySeat": {
            "managerUserLdap": "alalor",
            "managerSeatName": "LSS-EMEA-Mgr-HUB-STG-005104",
            "managerUserName": "Alan Lalor",
            "managerSeatId": "HUB:SEA:07244d185647e0b02",
            "userLdap": "rcleary",
            "userName": "Rachel Cleary",
            "userLevel": "SD1",
            "seatName": "LSS-EMEA-SD1-HUB-STG-001786",
            "seatId": "HUB:SEA:07244d185647df49a",
            "__typename": "SecondarySeatInfo"
        },
        "__typename": "PodSeatMapping"
    },
    {
        "id": "HUB:SEA:07244d185647df5fb",
        "podType": "ACCOUNT_EXECUTIVE_TO_SALES_DEVELOPER",
        "primarySeats": [
            {
                "managerUserLdap": "bruczhan",
                "managerSeatName": "HUBBLE_NULL_DEFAULT_MANAGER_SEAT",
                "managerUserName": "Bruce Zhang",
                "managerSeatId": "hub:sea:f48b45186382c130f",
                "userLdap": "bdonley",
                "userLevel": "AE",
                "userName": "Brittany Huerta",
                "seatName": "TAL-APAC-AE2-HUB-STG-004492",
                "seatId": "HUB:SEA:07244d185647dfa68",
                "podId": "hub:pod:c2a000186086caf62",
                "isPodDeleted": false,
                "startDate": "2023-01-31",
                "endDate": "2023-06-15",
                "__typename": "PrimarySeatInfo"
            },
            {
                "managerUserLdap": "bruczhan",
                "managerSeatName": "HUBBLE_NULL_DEFAULT_MANAGER_SEAT",
                "managerUserName": "Bruce Zhang",
                "managerSeatId": "hub:sea:f48b45186382c130f",
                "userLdap": "jcorinea",
                "userLevel": "AE1",
                "userName": "Justin Corinealdi",
                "seatName": "LSS-EMEA-SD1-HUB-STG-006712",
                "seatId": "HUB:SEA:07244d185647e31eb",
                "podId": "HUB:POD:453eff18565b8f73b",
                "isPodDeleted": false,
                "startDate": "2023-01-16",
                "endDate": "2023-06-15",
                "__typename": "PrimarySeatInfo"
            }
        ],
        "secondarySeat": {
            "managerUserLdap": "rhurh",
            "managerSeatName": "TAL-NA-Mgr-HUB-STG-005646",
            "managerUserName": "Rich Hurh",
            "managerSeatId": "HUB:SEA:07244d185647e24c9",
            "userLdap": "zvaldovinos",
            "userName": "Zoraida Valdovinos",
            "userLevel": "RM2",
            "seatName": "TAL-NA-SD1-HUB-STG-001533",
            "seatId": "HUB:SEA:07244d185647df5fb",
            "__typename": "SecondarySeatInfo"
        },
        "__typename": "PodSeatMapping"
    },
    {
        "id": "HUB:SEA:07244d185647df76c",
        "podType": "ACCOUNT_EXECUTIVE_TO_SALES_DEVELOPER",
        "primarySeats": [
            {
                "managerUserLdap": "bruczhan",
                "managerSeatName": "HUBBLE_NULL_DEFAULT_MANAGER_SEAT",
                "managerUserName": "Bruce Zhang",
                "managerSeatId": "hub:sea:f48b45186382c130f",
                "userLdap": "jcorinea",
                "userLevel": "AE1",
                "userName": "Justin Corinealdi",
                "seatName": "LSS-EMEA-SD1-HUB-STG-006712",
                "seatId": "HUB:SEA:07244d185647e31eb",
                "podId": "HUB:POD:453eff18565b8f73b",
                "isPodDeleted": false,
                "startDate": "2023-01-16",
                "endDate": "2023-06-15",
                "__typename": "PrimarySeatInfo"
            }
        ],
        "secondarySeat": {
            "managerUserLdap": "cfrenzel",
            "managerSeatName": "HS-EMEA-Mgr-HUB-STG-006289",
            "managerUserName": "Christian Frenzel",
            "managerSeatId": "HUB:SEA:07244d185647e0d72",
            "userLdap": "tgaiswin",
            "userName": "Thoman Gaiswinkler",
            "userLevel": "AE3",
            "seatName": "HS-EMEA-AE3-HUB-STG-002179",
            "seatId": "HUB:SEA:07244d185647df76c",
            "__typename": "SecondarySeatInfo"
        },
        "__typename": "PodSeatMapping"
    }
];

const groupByPrimarySeatIdLodash = (data) => {
  const flattened = flatMap(data, (item) => {
    if (!item.primarySeats) return [];
    return item.primarySeats.map((seat) => {
      return {
        primarySeatId: seat?.seatId ?? '',
        data: item
      };
    });
  });

  const grouped = groupBy(flattened, 'primarySeatId');
  return mapValues(grouped, (items) => items.map((item) => item.data));
};

/**
 * Same as above but using plain javascript
 */
const groupByPrimarySeatId = (data) => {
  const groups = {};

  data.forEach((record) => {
    if (!record.primarySeats) return;
    record.primarySeats.forEach((seat) => {
      const seatId = seat?.seatId ?? '';
      if (!groups[seatId]) {
        groups[seatId] = [];
      }

      groups[seatId].push(record);
    });
  });

  return groups;
};
Tests:
js
groupByPrimarySeatId(data);
lodash
groupByPrimarySeatIdLodash(data);
Rendered benchmark preparation results:
Suite status: <idle, ready to run>

Previous results
Test case name	Result
js
lodash
ALY js vs lodash (version: 0)

Comparing performance of: js vs lodash

Created: 2 years ago by: Guest

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js

lodash

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results
