Representing a multidimensional plane in javascript

array-of-arrays.js

const makeCube = (d = 0) => {
  let arr = new Array(SIZE);
  if (d === DIMENSIONS) {
    return arr.fill(0);
  }
  return arr.fill(makeCube(d + 1));
};

const cube = makeCube();

object-with-array-keys.js

const boundFactory = (end) => {
  return function* (n = 0) {
    for (; n <= end; n++) {
      yield n;
    }
  };
};

const fieldFactory = () => boundFactory(Math.pow(SIZE, DIMENSIONS));

const set = function * () {
  let field = fieldFactory();
  for (let f of field()) {
    yield [f]; //.toString(SIZE).split('').map((num) => parseInt(num, SIZE));
  }
}

let coords = {};

for (let n of set()) {
  coords[n] = 0;
}