Kata 6 - SmartParking

kata6SmartParking.js

const whereCanIPark = function (spots, vehicle) {
  let coords = null;
  let veh = [];
  if (vehicle === "regular") {
    veh = ["R"];
  } else if (vehicle === "small") {
    veh = ["R", "S"];
  } else if (vehicle === "motorcycle") {
    veh = ["R", "S", "M"];
  } else {
    console.log("Incorrect vehicle type!  Please try again.");
  }
  // apparently you can use labels?  Sourced from the nerd argument here;
  // https://stackoverflow.com/questions/183161/whats-the-best-way-to-break-from-nested-loops-in-javascript
  // of which the MDN Docs on label(s):
  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/label
  rowLoop:
    for (const [iR, row] of spots.entries()) {
      for (const [iC, col] of row.entries()) {
        if (veh.includes(col)) {
          coords = [iC, iR];
          break rowLoop;
        } else {
          continue;
        }
      }
    }
  return (coords !== null ? coords : false);
};

console.log(whereCanIPark(
  [
    // COLUMNS ARE X
    // 0    1    2    3    4    5
    ['s', 's', 's', 'S', 'R', 'M'], // 0 ROWS ARE Y
    ['s', 'M', 's', 'S', 'r', 'M'], // 1
    ['s', 'M', 's', 'S', 'r', 'm'], // 2
    ['S', 'r', 's', 'm', 'r', 'M'], // 3
    ['S', 'r', 's', 'm', 'r', 'M'], // 4
    ['S', 'r', 'S', 'M', 'M', 'S']  // 5
  ],
  'regular'
));

console.log(whereCanIPark(
  [
    ['M', 'M', 'M', 'M'],
    ['M', 's', 'M', 'M'],
    ['M', 'M', 'M', 'M'],
    ['M', 'M', 'r', 'M']
  ],
  'small'
));

console.log(whereCanIPark(
  [
    ['s', 's', 's', 's', 's', 's'],
    ['s', 'm', 's', 'S', 'r', 's'],
    ['s', 'm', 's', 'S', 'r', 's'],
    ['S', 'r', 's', 'm', 'r', 's'],
    ['S', 'r', 's', 'm', 'R', 's'],
    ['S', 'r', 'S', 'M', 'm', 'S']
  ],
  'motorcycle'
))