@thewizardbear/maze_generator/src/print.js

A deno-compatible package for maze generation

export default function getString(maze) {
  let str = "";

  maze.algorithm.walls[0].forEach((cell, index) => {
    str += index === 0 ? " " : "_";
    str += cell.N ? "_" : " ";
  });

  str += " ";

  maze.algorithm.walls.forEach((row, rowIndex) => {
    str += "\n";
    str += row[0].W ? "|" : " ";
    row.forEach((cell, columnIndex) => {
      let eastWallBelow = maze.algorithm.walls[rowIndex + 1]?.[columnIndex].E ??
        null;
      let southWallToRight = row[columnIndex + 1]?.S ?? null;

      str += cell.S ? "_" : " ";
      str += cell.E
        ? "|"
        : ((!eastWallBelow || (cell.S && southWallToRight)) ? "_" : " ");
    });
  });

  return str;
}