weekend catchup queen attack

class QueenAttack {
    constructor(position) {
        this.white=position.white;
        this.black=position.black;
    }
    toString() {
        let res = new Array(8).fill(new Array(8).fill('_'));
        res[this.white[0]][this.white[1]] = 'W';
        res[this.black[0]][this.black[1]] = 'B';
        return res.map(s => s.join(' ') + '\n').join('');
    }

    canAttack() {
        if(this.white[0]===this.black[0] && this.white[1]===this.black[1]) return false
        else if(this.white[0]===this.black[0]) return true
        else if(this.white[1]===this.black[1]) return true
        else if(Math.abs(this.white[0]-this.black[0])===Math.abs(this.white[1]-this.black[1])) return true
        return false;
    }
}


console.log(new Array(8).fill(new Array(8).fill('_')).map(s => s.join(' ') + '\n').join(''))
function queenAttack(white, black) {
    if(white[0]===black[0] && white[1]===black[1]) return false
    else if(white[0]===black[0]) return true
    else if(white[1]===black[1]) return true
    else if(Math.abs(white[0]-black[0])===Math.abs(white[1]-black[1])) return true
    return false;
}
// console.log(queenAttack([4,7],[2,3])===false)
// console.log(queenAttack([2,4],[2,7])===true)
// console.log(queenAttack([4,4],[2,4])===true)
// console.log(queenAttack([1,1],[6,6])===true)
// console.log(queenAttack([6,5],[6,6])===true)
// console.log(queenAttack([6,5],[3,3])===false)
// console.log(queenAttack([3,3],[3,3])===false)
// console.log(queenAttack([3,3],[8,6])===false)

module.exports = QueenAttack;