Difference in API responses

compare.js

const _ = require('lodash');
const fs = require('fs');

const images = require('./images.json'); // https://twitchemotes.com/api_cache/v3/images.json

const subJSON = require('./subscriber.json'); // https://twitchemotes.com/api_cache/v3/subscriber.json
const subIds = Object.keys(subJSON);
const sub = {}

for(let i = 0, len = subIds.length; i < len; i++) {                                       
  const channel = subJSON[subIds[i]];
  const emotes = channel.emotes.length && channel.emotes;
    for(let i2 = 0, len2 = emotes.length; i2 < len2; i2++) {
    const emote = emotes[i2];

    if(typeof emote === 'undefined') {
      console.log(emote);
    }

    sub[emote.id] = {
      id: emote.id,
      code: emote.code,
      emoticon_set: emote.emoticon_set,
      channel_id: channel.channel_id,
      channel_name: channel.channel_name
    }
  }
}

const result = difference(sub, images);
fs.writeFileSync('differences.json', JSON.stringify(result, null, 2));


/**
 * Deep diff between two object, using lodash
 * @param  {Object} object Object compared
 * @param  {Object} base   Object to compare with
 * @return {Object}        Return a new object who represent the diff
 * https://gist.github.com/Yimiprod/7ee176597fef230d1451
 */
function difference(object, base) {
	function changes(object, base) {
		return _.transform(object, function(result, value, key) {
			if (!_.isEqual(value, base[key])) {
				result[key] = (_.isObject(value) && _.isObject(base[key])) ? changes(value, base[key]) : value;
			}
		});
	}
	return changes(object, base);
}

differences.json

{
  "147178": {
    "id": 147178,
    "code": "mapuuGood",
    "emoticon_set": 16199,
    "channel_id": "36183562",
    "channel_name": "mapuu"
  },
  "164438": {
    "id": 164438,
    "code": "khaljiitCoin",
    "emoticon_set": 22147,
    "channel_id": "93733614",
    "channel_name": "khaljiit"
  },
  "167434": {
    "id": 167434,
    "code": "mapuuTilt",
    "emoticon_set": 16199,
    "channel_id": "36183562",
    "channel_name": "mapuu"
  },
  "208151": {
    "channel_name": "tiobravewars"
  },
  "208153": {
    "channel_name": "tiobravewars"
  },
  "208155": {
    "channel_name": "tiobravewars"
  },
  "209961": {
    "channel_name": "tiobravewars"
  },
  "216886": {
    "id": 216886,
    "code": "averag4Rocko",
    "emoticon_set": 100534,
    "channel_id": "55665911",
    "channel_name": "averagesnipe"
  },
  "230306": {
    "id": 230306,
    "code": "tripodGold",
    "emoticon_set": 125622,
    "channel_id": "66765497",
    "channel_name": "tripodgg"
  },
  "296938": {
    "id": 296938,
    "code": "phoeni19PhoenixZFFeathers",
    "emoticon_set": 230221,
    "channel_id": "140216893",
    "channel_name": "phoenixb2"
  },
  "307139": {
    "id": 307139,
    "code": "datnoiFISHFOOD",
    "emoticon_set": 255487,
    "channel_id": "121067874",
    "channel_name": "datnoidfarmer"
  },
  "353860": {
    "id": 353860,
    "code": "shieemGH",
    "emoticon_set": 137966,
    "channel_id": "55772347",
    "channel_name": "shimoichitv"
  },
  "471516": {
    "channel_name": "kissabunny"
  },
  "479445": {
    "channel_name": "kissabunny"
  },
  "480631": {
    "id": 480631,
    "code": "fourthgenSHOOK",
    "emoticon_set": 107807,
    "channel_id": "48163973",
    "channel_name": "the4thgengamer"
  },
  "485671": {
    "id": 485671,
    "code": "aeloisSwiftRage",
    "emoticon_set": 31523,
    "channel_id": "76396807",
    "channel_name": "aelois"
  },
  "505801": {
    "channel_name": "kissabunny"
  },
  "516238": {
    "channel_name": "tiobravewars"
  },
  "544927": {
    "channel_name": "nekthecat"
  },
  "548834": {
    "id": 548834,
    "code": "baundiScrub",
    "emoticon_set": 373800,
    "channel_id": "148751010",
    "channel_name": "baundiesel"
  },
  "556855": {
    "channel_name": "tntensetv"
  },
  "565186": {
    "channel_name": "tiobravewars"
  },
  "565192": {
    "channel_name": "tiobravewars"
  },
  "582256": {
    "id": 582256,
    "code": "peteryUmmy",
    "emoticon_set": 444629,
    "channel_id": "75845019",
    "channel_name": "peteryum"
  },
  "587063": {
    "channel_name": "tntensetv"
  },
  "596459": {
    "channel_name": "tiobravewars"
  },
  "596477": {
    "channel_name": "tiobravewars"
  },
  "608750": {
    "channel_name": "hyp_ow"
  },
  "608752": {
    "channel_name": "hyp_ow"
  },
  "609430": {
    "channel_name": "hyp_ow"
  },
  "617249": {
    "id": 617249,
    "code": "pewzKing",
    "emoticon_set": 403438,
    "channel_id": "42379032",
    "channel_name": "mariapewz"
  },
  "627677": {
    "id": 627677,
    "code": "jankkeKyrvansyyla",
    "emoticon_set": 343278,
    "channel_id": "153393078",
    "channel_name": "jankkestream"
  },
  "632854": {
    "id": 632854,
    "code": "imkoSad",
    "emoticon_set": 19994,
    "channel_id": "95740885",
    "channel_name": "imsko"
  },
  "633434": {
    "id": 633434,
    "code": "horror6Bat",
    "emoticon_set": 492153,
    "channel_id": "47563456",
    "channel_name": "horror_scream_"
  },
  "637593": {
    "channel_name": "tntensetv"
  },
  "640907": {
    "channel_name": "tiobravewars"
  },
  "641211": {
    "id": 641211,
    "code": "peteryQQ",
    "emoticon_set": 444630,
    "channel_id": "75845019",
    "channel_name": "peteryum"
  },
  "641322": {
    "id": 641322,
    "code": "blehaLucio",
    "emoticon_set": 52301,
    "channel_id": "101557275",
    "channel_name": "aoskyao"
  },
  "645357": {
    "channel_name": "tiobravewars"
  },
  "645365": {
    "channel_name": "tiobravewars"
  },
  "645369": {
    "channel_name": "tiobravewars"
  },
  "645374": {
    "channel_name": "tiobravewars"
  },
  "646481": {
    "id": 646481,
    "code": "fourthgenSAD",
    "emoticon_set": 107807,
    "channel_id": "48163973",
    "channel_name": "the4thgengamer"
  },
  "648214": {
    "id": 648214,
    "code": "sollfgChicken",
    "emoticon_set": 21666,
    "channel_id": "36424761",
    "channel_name": "soltek1h"
  },
  "648222": {
    "id": 648222,
    "code": "sollfgHuh",
    "emoticon_set": 21666,
    "channel_id": "36424761",
    "channel_name": "soltek1h"
  },
  "649106": {
    "id": 649106,
    "code": "peteryEZ",
    "emoticon_set": 444631,
    "channel_id": "75845019",
    "channel_name": "peteryum"
  },
  "651520": {
    "id": 651520,
    "code": "snycmaHI",
    "emoticon_set": 374051,
    "channel_id": "45543526",
    "channel_name": "snycmaster"
  },
  "651521": {
    "id": 651521,
    "code": "snycmaLOV",
    "emoticon_set": 374052,
    "channel_id": "45543526",
    "channel_name": "snycmaster"
  },
  "651523": {
    "id": 651523,
    "code": "snycmaRAGE",
    "emoticon_set": 374053,
    "channel_id": "45543526",
    "channel_name": "snycmaster"
  },
  "652801": {
    "id": 652801,
    "code": "imgfleFlexTilt",
    "emoticon_set": 432949,
    "channel_id": "148210785",
    "channel_name": "imgflexin"
  },
  "654063": {
    "id": 654063,
    "code": "tozIsh",
    "emoticon_set": 56745,
    "channel_id": "96143990",
    "channel_name": "princetoz"
  },
  "656058": {
    "id": 656058,
    "code": "scottc1LOCADELCONIO",
    "emoticon_set": 445546,
    "channel_id": "91235986",
    "channel_name": "scottcoresixx"
  },
  "657729": {
    "id": 657729,
    "code": "vampybitmeLit",
    "emoticon_set": 321900,
    "channel_id": "23014595",
    "channel_name": "vampybitme"
  },
  "657880": {
    "id": 657880,
    "code": "buttersDrink",
    "emoticon_set": 342066,
    "channel_id": "36043808",
    "channel_name": "noisybutters"
  }
}