HomeWork/js/05/esfsef.js

function getMostplayedOpponents() {

    const matches = this.state.wins

    const already: { opponents: { player1: string, player2: string }, matches: MatchResult[] }[] = [];

    for (let index = 0; index < matches.length; index++) {
        const match = matches[index];

        let alreadyAdded = false

        for (let index = 0; index < already.length; index++) {
            const alreadyAddedMatch = already[index];

            if (
                (match.losers[0].name == alreadyAddedMatch.opponents.player1 || match.losers[0].name == alreadyAddedMatch.opponents.player2) &&
                (match.losers[1].name == alreadyAddedMatch.opponents.player1 || match.losers[1].name == alreadyAddedMatch.opponents.player2)
            ) {

                // another game to this pair
                alreadyAdded = true;
                alreadyAddedMatch.matches.push(match)
                break;
            }
        }

        if (!alreadyAdded) {
            
            const pair = {
                opponents:
                {
                    player1: match.losers[0].name,
                    player2: match.losers[1].name
                },
                matches: []
            };

            //and add another game to the pair
            pair.matches.push(match);

            //add another pair
            already.push(pair)
        }
    }
}
if
                (matchResult.winners.length == 1 && (result.alias.name == matchResult.winners[0].name || result.alias.name == matchResult.losers[0].name) ||
                (matchResult.winners.length == 2 && result.partner != undefined && (
                    (result.alias.name == matchResult.winners[0].name && result.partner.name == matchResult.winners[1].name || result.alias.name == matchResult.winners[1].name && result.partner.name == matchResult.winners[0].name) ||
                    (result.alias.name == matchResult.losers[0].name && result.partner.name == matchResult.losers[1].name || result.alias.name == matchResult.losers[1].name && result.partner.name == matchResult.losers[0].name)
                )
                )
            )