我很難收集一個班級匹配示例和比賽匹配是匹配的集合我的班級比賽：const uuid = require("uuid");// Match class is a single game Match structureclass Match {    constructor(players) {      this.id = uuid.v4().toString();      this.players = players;    }    // Match rest methods...    // I.E: isMatchEnded, isMatchStarted ...  }  module.exports = Match;我的班級比賽class Matches {    constructor() {      this.matches = {};    }    addMatch(match) {      this.matches.push(match);    }    // Matches rest methods...   }  module.exports = Matches;我的主要：    const matches = new Matches();    const queue = new Queue();    queue.addPlayer(new Player(1,'spt',970));    queue.addPlayer(new Player(2,'test2',1000));    queue.addPlayer(new Player(3,'test3',1050));    queue.addPlayer(new Player(4,'test4',70));    const playerOne = queue.players.find((playerOne) => playerOne.mmr === 970);    const players = queue.searching(playerOne);    if(players){      const match = new Match(players);      matches.addMatch(match);    }console.log(matches);但我收到此錯誤：Matches.js:7      this.matches.push(match);                   ^TypeError: this.matches.push is not a function