Discussion on: Daily Challenge #174 - Soccer League Table

function LeagueTable() {
    this.matches = []
};

LeagueTable.prototype.push = function (matchStr){
    const teams = matchStr.split(' - ');

    const homeTeam = teams[0].slice(0,-2);
    const awayTeam = teams[1].slice(2);
    const homeGoals = parseInt(teams[0].slice(-2));
    const awayGoals = parseInt(teams[1].slice(0, 2));

    let homeScore = 0;
    let awayScore = 0;

    if(homeGoals == awayGoals) {
        homeScore = 1;
        awayScore = 1;
    } else if(homeGoals > awayGoals){
        homeScore = 3;
    } else {
        awayScore = 0;
    }

    const match = {
        homeTeam,
        awayTeam,
        homeGoals,
        awayGoals,
        homeScore,
        awayScore,
    };

    this.matches.push(match);

    return JSON.stringify(match);
};

LeagueTable.prototype.get_points = function (teamName){
    points = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName){
            points += match.homeScore;
        } else if(match.awayTeam === teamName){
            points += match.awayScore;
        }
    })

    return points;
};

LeagueTable.prototype.get_goals_for = function (teamName){
    goals = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName){
            goals += match.homeGoals;
        } else if(match.awayTeam === teamName){
            goals += match.awayGoals;
        }
    });

    return goals;
};

LeagueTable.prototype.get_goals_against = function (teamName){
    goals = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName){
            goals += match.awayGoals;
        } else if(match.awayTeam === teamName){
            goals += match.homeGoals;
        }
    });

    return goals;
};

LeagueTable.prototype.get_goals_difference = function (teamName){
    diff = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName){
            diff += (match.homeGoals - match.awayGoals);
        } else if(match.awayTeam === teamName){
            diff += (match.awayGoals - match.homeGoals);;
        }
    });

    return diff;
};

LeagueTable.prototype.get_wins = function (teamName){
    wins = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName && match.homeScore === 3){
            wins++
        } else if(match.awayTeam === teamName && match.awayScore === 3){
            wins++
        }
    });

    return wins;
};

LeagueTable.prototype.get_draws = function (teamName){
    draws = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName && match.homeScore === 1){
            draws++
        } else if(match.awayTeam === teamName && match.awayScore === 1){
            draws++
        }
    });

    return draws;
};

LeagueTable.prototype.get_losses = function (teamName){
    losses = 0;

    this.matches.forEach(match => {
        if(match.homeTeam === teamName && match.homeScore === 0){
            losses++
        } else if(match.awayTeam === teamName && match.awayScore === 0){
            losses++
        }
    });

    return losses;
};