PlayerHand.js

import _ from 'lodash';

function getNotInGuess(secret,guess){
    let guess_ = guess.slice();
    let res = [];
    secret.map(el => {
        if (guess_.includes(el)) {
            guess_.splice(guess_.indexOf(el),1);
        } else { res.push(el) }
    })
    return res
}

function getScore(guess, secret){
    if(guess.length === 4 && secret.length === 4){
        let guess_ = _.map(guess, x => x.num),
            secret_ = _.map(secret, x => x.num),
            zip_ = _.zip(guess_,secret_),
            rights = _.map(zip_, x => {
                if(x[0] === x[1]){ return 1}
                else { return 0} }),
            rights_ = _.reduce(rights, (x,y) => x + y, 0),
            sNotInGuess = _.difference(secret_,guess_),
            wrongs_ = secret.length - sNotInGuess.length - rights_
        return {guess: guess, blacks: rights_, whites: wrongs_}    
    } else {
        return {}
    }
}