Function conflictExists

src/layout-manager.js:67–79

(rows, x, y)

  }

  function conflictExists(rows, x, y) {
    let i_max = Math.min(rows.length - 1, y);
    let cell = { x: x, y: y };
    for (let i = 0; i <= i_max; i++) {
      let row = rows[i];
      for (let j = 0; j < row.length; j++) {
        if (cellsConflict(cell, row[j])) {
          return true;
        }
      }
    }
    return false;
  }

  function allBlank(rows, y, xMin, xMax) {
    for (let x = xMin; x < xMax; x++) {