inferAttack.js

  /**
   * Inferir un ataque teniendo posiciones conocidas.
   * @param {*} board
   */
  const inferAttack = board => {
    const boardSize = DIMENSION_BOARD - 1;
    let newRow = 0;
    let newCol = 0;
    let inferredAttack = false;

    let counterLoop = 0;
    do {
      // :( A veces se queda en un ciclo aleatorio :(
      if (counterLoop >= 100) {
        break;
      }

      const listRandom =
        shipsFoundIA[2] ||
        [1, 2, 3, 4].filter(v => {
          if (shipsFoundIA[3]) {
            for (let i = 0; i < shipsFoundIA[3].length; i++) {
              if (v === shipsFoundIA[3][i]) {
                return false;
              }
            }
          }
          return true;
        });

      const randomDirection = randomNumber(0, listRandom.length - 1);
      const directionCol =
        listRandom[randomDirection] === 1
          ? -1
          : listRandom[randomDirection] === 3
          ? 1
          : 0;

      const directionRow =
        listRandom[randomDirection] === 2
          ? -1
          : listRandom[randomDirection] === 4
          ? 1
          : 0;

      newRow = shipsFoundIA[0] + directionRow;
      newCol = shipsFoundIA[1] + directionCol;

      // Primero saber que no se salga del canvas
      if (
        newRow >= 0 &&
        newRow <= boardSize &&
        newCol >= 0 &&
        newCol <= boardSize
      ) {
        if (board[newRow][newCol] === 2) {
          // En esa posición hay un elemento del barco ya dañado
          shipsFoundIA[0] = newRow;
          shipsFoundIA[1] = newCol;
        } else {
          if (board[newRow][newCol] === 0 || board[newRow][newCol] === 1) {
            shipsFoundIA[2] = [listRandom[randomDirection]];
            inferredAttack = true;
            break;
          }
        }
      }

      if (!inferredAttack) {
        if (listRandom.length === 1) {
          if (!shipsFoundIA[3]) {
            shipsFoundIA[3] = [listRandom[randomDirection]];
          } else {
            shipsFoundIA[3].push(listRandom[randomDirection]);
          }
          shipsFoundIA[2] = undefined;
        }
      }

      counterLoop++;
    } while (1);
    return [newRow, newCol, inferredAttack];
  };