lol-pairing-stat-fetcher/index.mjs

// @ts-check
import { RiotAPI, RiotAPITypes, PlatformId } from "@fightmegg/riot-api";

const METHOD_KEY = RiotAPITypes.METHOD_KEY;

/** @type {RiotAPITypes.Config} */
const config = {
  debug: false,
  cache: {
    cacheType: "ioredis", // local or ioredis
    client: "redis://redis:6379", // leave null if client is local
    ttls: {
      byMethod: {
        [METHOD_KEY.SUMMONER.GET_BY_SUMMONER_NAME]: 24 * 60 * 60 * 100, // ms
        [METHOD_KEY.MATCH_V5.GET_IDS_BY_PUUID]: 24 * 60 * 60 * 100, // ms
        [METHOD_KEY.MATCH.GET_MATCHLIST_BY_ACCOUNT]: 24 * 60 * 60 * 100, // ms
      },
    },
  },
};

const rAPI = new RiotAPI("RGAPI-8f41294d-7bb1-4fd5-83d4-773a8a7b25f5", config);

let val = await rAPI.summoner
  .getBySummonerName({
    region: PlatformId.NA1,
    summonerName: "RavenShade",
  })
  .then(({ name, puuid }) => ({ name, puuid }));

const ice = await rAPI.summoner
  .getBySummonerName({
    region: PlatformId.NA1,
    summonerName: "IcePhoenix05",
  })
  .then(({ name, puuid }) => ({ name, puuid }));

const valGames = await get_games_by_puuid(val.puuid);
const iceGames = await get_games_by_puuid(ice.puuid);

const commonGames = valGames.filter(Set.prototype.has, new Set(iceGames));

console.log(`Common Games Found: ${commonGames.length}`);
console.log(`${JSON.stringify(commonGames, null, " ")}`);

/**
 * @param {string} puuid
 * @returns {Promise<string[]>}
 */
async function get_games_by_puuid(puuid) {
  let games = [];

  let start = 0;
  while (start >= 0) {
    let newGames = await rAPI.matchV5.getIdsByPuuid({
      cluster: PlatformId.AMERICAS,
      puuid,
      params: {
        start,
      },
    });

    if (newGames.length < 20) {
      break;
    }

    games.push.apply(games, newGames);

    start += 20;
  }

  return games;
}