Group objects by key

app.js

import { data } from "./data.js";

const serializeChannel = (channel) => ({
  id: channel.SK,
  channel: channel.nameChannel,
});

function getUniqueArrayByKey(dataList, key = "SK") {
  const arrayMap = dataList.map((data) => [data[key], serializeChannel(data)]);
  const uniqueMap = new Map(arrayMap);
  return [...uniqueMap.values()];
}

const uniqueArray = getUniqueArrayByKey(data);
console.table(uniqueArray);

data.js

export const data = [
  {
    infoText: "SMS con número remitente de 9 dígitos",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#1",
    name: "SMS LARGO",
    PK: "SENDTYPE#1",
    shortName: "LARGO",
    nameChannel: "SMS",
  },
  {
    infoText: "SMS con número remitente de 5 dígitos",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#1",
    name: "SMS CORTO SIMPLE",
    PK: "SENDTYPE#2",
    shortName: "CORTO SIMPLE",
    nameChannel: "SMS",
  },
  {
    infoText: "SMS tipo pop up",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#1",
    name: "SMS CORTO FLASH",
    PK: "SENDTYPE#3",
    shortName: "CORTO FLASH",
    nameChannel: "SMS",
  },
  {
    infoText:
      "Si no se tiene éxito en la llamada se deja el audio en el buzón de voz",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#2",
    name: "IVR NORMAL",
    PK: "SENDTYPE#4",
    shortName: "NORMAL",
    nameChannel: "IVR",
  },
  {
    infoText:
      "Si no se tiene éxito en la llamada se deja el audio en el buzón de voz,  además brinda los estados adicionales Human...",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#2",
    name: "IVR AMD",
    PK: "SENDTYPE#5",
    shortName: "AMD",
    nameChannel: "IVR",
  },
  {
    infoText:
      "Se corta la llamada cuando detecta el buzón de voz, además brinda los estados adicionales Human (Detectó una voz humana).",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#2",
    name: "IVR AMD CORTE",
    PK: "SENDTYPE#6",
    shortName: "AMD CORTE",
    nameChannel: "IVR",
  },
  {
    infoText: "",
    GSI1PK: "SENDTYPE",
    SK: "CHANNEL#3",
    name: "EMAIL",
    PK: "SENDTYPE#7",
    shortName: "EMAIL",
    nameChannel: "EMAIL",
  },
];

test.js

var cars = [
    { make: "audi", model: "r8", year: "2012" },
    { make: "audi", model: "rs5", year: "2013" },
    { make: "ford", model: "mustang", year: "2012" },
    { make: "ford", model: "fusion", year: "2015" },
    { make: "kia", model: "optima", year: "2012" },
  ],
  result = cars.reduce(function (r, a) {
    r[a.make] = r[a.make] || [];
    r[a.make].push(a);
    return r;
  }, Object.create(null));

console.log(result);

function groupByKey(array, key) {
  return array.reduce((hash, obj) => {
    if (obj[key] === undefined) return hash;
    return Object.assign(hash, {
      [obj[key]]: (hash[obj[key]] || []).concat(obj),
    });
  }, {});
}

var cars = [
  { make: "audi", model: "r8", year: "2012" },
  { make: "audi", model: "rs5", year: "2013" },
  { make: "ford", model: "mustang", year: "2012" },
  { make: "ford", model: "fusion", year: "2015" },
  { make: "kia", model: "optima", year: "2012" },
];

console.log(groupByKey(cars, "make"));