2048-getEmptyBlocksNonFuncional.js

2048-getEmptyBlocksNonFuncional.js

// Funcion non Functional
const getEmptyBlocksNonFunctional = (currentBoard) => {
  const positions = []; // Variable with positions
  for(let i = 0; i < currentBoard.length; i++) { // Iterate in columns
    for(let j = 0; j < currentBoard[i].length; j++) { // Iterate in lines
      if(currentBoard[i][j] === 0) {
        positions.push([i, j]); // Append in pushes when 0
      }
    }
  }

  return positions; // return list os positions
};

const board = [[2, 2, 2, 2], [0, 4, 16, 16], [8, 8, 0, 32], [0, 0, 0, 64]];
console.log(getEmptyBlocksNonFunctional(board));

// Response: [ [ 1, 0 ], [ 2, 2 ], [ 3, 2 ], [ 3, 1 ], [ 3, 0 ] ]